Merge branch 'main' into test-dev

README_CN.md

@@ -297,6 +297,16 @@ go generate ./cmd/server
 
 ---
 
+## 简易模式
+
+简易模式适合个人开发者或内部团队快速使用，不依赖完整 SaaS 功能。
+
+- 启用方式：设置环境变量 `RUN_MODE=simple`
+- 功能差异：隐藏 SaaS 相关功能，跳过计费流程
+- 安全注意事项：生产环境需同时设置 `SIMPLE_MODE_CONFIRM=true` 才允许启动
+
+---
+
 ## 项目结构
 
 ```

backend/cmd/server/main.go

@@ -108,6 +108,14 @@ func runSetupServer() {
 }
 
 func runMainServer() {
+	cfg, err := config.Load()
+	if err != nil {
+		log.Fatalf("Failed to load config: %v", err)
+	}
+	if cfg.RunMode == config.RunModeSimple {
+		log.Println("⚠️  WARNING: Running in SIMPLE mode - billing and quota checks are DISABLED")
+	}
+
 	buildInfo := handler.BuildInfo{
 		Version:   Version,
 		BuildType: BuildType,

backend/cmd/server/wire_gen.go

@@ -54,7 +54,7 @@ func initializeApplication(buildInfo handler.BuildInfo) (*Application, error) {
 	emailQueueService := service.ProvideEmailQueueService(emailService)
 	authService := service.NewAuthService(userRepository, configConfig, settingService, emailService, turnstileService, emailQueueService)
 	userService := service.NewUserService(userRepository)
-	authHandler := handler.NewAuthHandler(authService, userService)
+	authHandler := handler.NewAuthHandler(configConfig, authService, userService)
 	userHandler := handler.NewUserHandler(userService)
 	apiKeyRepository := repository.NewApiKeyRepository(client)
 	groupRepository := repository.NewGroupRepository(client, sqlDB)
@@ -67,7 +67,7 @@ func initializeApplication(buildInfo handler.BuildInfo) (*Application, error) {
 	usageHandler := handler.NewUsageHandler(usageService, apiKeyService)
 	redeemCodeRepository := repository.NewRedeemCodeRepository(client)
 	billingCache := repository.NewBillingCache(redisClient)
-	billingCacheService := service.NewBillingCacheService(billingCache, userRepository, userSubscriptionRepository)
+	billingCacheService := service.NewBillingCacheService(billingCache, userRepository, userSubscriptionRepository, configConfig)
 	subscriptionService := service.NewSubscriptionService(groupRepository, userSubscriptionRepository, billingCacheService)
 	redeemCache := repository.NewRedeemCache(redisClient)
 	redeemService := service.NewRedeemService(redeemCodeRepository, userRepository, subscriptionService, redeemCache, billingCacheService)
@@ -133,7 +133,7 @@ func initializeApplication(buildInfo handler.BuildInfo) (*Application, error) {
 	handlers := handler.ProvideHandlers(authHandler, userHandler, apiKeyHandler, usageHandler, redeemHandler, subscriptionHandler, adminHandlers, gatewayHandler, openAIGatewayHandler, handlerSettingHandler)
 	jwtAuthMiddleware := middleware.NewJWTAuthMiddleware(authService, userService)
 	adminAuthMiddleware := middleware.NewAdminAuthMiddleware(authService, userService, settingService)
-	apiKeyAuthMiddleware := middleware.NewApiKeyAuthMiddleware(apiKeyService, subscriptionService)
+	apiKeyAuthMiddleware := middleware.NewApiKeyAuthMiddleware(apiKeyService, subscriptionService, configConfig)
 	engine := server.ProvideRouter(configConfig, handlers, jwtAuthMiddleware, adminAuthMiddleware, apiKeyAuthMiddleware, apiKeyService, subscriptionService)
 	httpServer := server.ProvideHTTPServer(configConfig, engine)
 	tokenRefreshService := service.ProvideTokenRefreshService(accountRepository, oAuthService, openAIOAuthService, geminiOAuthService, configConfig)

backend/internal/config/config.go

@@ -7,6 +7,11 @@ import (
 	"github.com/spf13/viper"
 )
 
+const (
+	RunModeStandard = "standard"
+	RunModeSimple   = "simple"
+)
+
 type Config struct {
 	Server       ServerConfig       `mapstructure:"server"`
 	Database     DatabaseConfig     `mapstructure:"database"`
@@ -17,6 +22,7 @@ type Config struct {
 	Pricing      PricingConfig      `mapstructure:"pricing"`
 	Gateway      GatewayConfig      `mapstructure:"gateway"`
 	TokenRefresh TokenRefreshConfig `mapstructure:"token_refresh"`
+	RunMode      string             `mapstructure:"run_mode" yaml:"run_mode"`
 	Timezone     string             `mapstructure:"timezone"` // e.g. "Asia/Shanghai", "UTC"
 	Gemini       GeminiConfig       `mapstructure:"gemini"`
 }
@@ -135,6 +141,16 @@ type RateLimitConfig struct {
 	OverloadCooldownMinutes int `mapstructure:"overload_cooldown_minutes"` // 529过载冷却时间(分钟)
 }
 
+func NormalizeRunMode(value string) string {
+	normalized := strings.ToLower(strings.TrimSpace(value))
+	switch normalized {
+	case RunModeStandard, RunModeSimple:
+		return normalized
+	default:
+		return RunModeStandard
+	}
+}
+
 func Load() (*Config, error) {
 	viper.SetConfigName("config")
 	viper.SetConfigType("yaml")
@@ -161,6 +177,8 @@ func Load() (*Config, error) {
 		return nil, fmt.Errorf("unmarshal config error: %w", err)
 	}
 
+	cfg.RunMode = NormalizeRunMode(cfg.RunMode)
+
 	if err := cfg.Validate(); err != nil {
 		return nil, fmt.Errorf("validate config error: %w", err)
 	}
@@ -169,6 +187,8 @@ func Load() (*Config, error) {
 }
 
 func setDefaults() {
+	viper.SetDefault("run_mode", RunModeStandard)
+
 	// Server
 	viper.SetDefault("server.host", "0.0.0.0")
 	viper.SetDefault("server.port", 8080)

backend/internal/config/config_test.go

@@ -0,0 +1,23 @@
+package config
+
+import "testing"
+
+func TestNormalizeRunMode(t *testing.T) {
+	tests := []struct {
+		input    string
+		expected string
+	}{
+		{"simple", "simple"},
+		{"SIMPLE", "simple"},
+		{"standard", "standard"},
+		{"invalid", "standard"},
+		{"", "standard"},
+	}
+
+	for _, tt := range tests {
+		result := NormalizeRunMode(tt.input)
+		if result != tt.expected {
+			t.Errorf("NormalizeRunMode(%q) = %q, want %q", tt.input, result, tt.expected)
+		}
+	}
+}

backend/internal/handler/auth_handler.go

@@ -1,6 +1,7 @@
 package handler
 
 import (
+	"github.com/Wei-Shaw/sub2api/internal/config"
 	"github.com/Wei-Shaw/sub2api/internal/handler/dto"
 	"github.com/Wei-Shaw/sub2api/internal/pkg/response"
 	middleware2 "github.com/Wei-Shaw/sub2api/internal/server/middleware"
@@ -11,13 +12,15 @@ import (
 
 // AuthHandler handles authentication-related requests
 type AuthHandler struct {
+	cfg         *config.Config
 	authService *service.AuthService
 	userService *service.UserService
 }
 
 // NewAuthHandler creates a new AuthHandler
-func NewAuthHandler(authService *service.AuthService, userService *service.UserService) *AuthHandler {
+func NewAuthHandler(cfg *config.Config, authService *service.AuthService, userService *service.UserService) *AuthHandler {
 	return &AuthHandler{
+		cfg:         cfg,
 		authService: authService,
 		userService: userService,
 	}
@@ -157,5 +160,15 @@ func (h *AuthHandler) GetCurrentUser(c *gin.Context) {
 		return
 	}
 
-	response.Success(c, dto.UserFromService(user))
+	type UserResponse struct {
+		*dto.User
+		RunMode string `json:"run_mode"`
+	}
+
+	runMode := config.RunModeStandard
+	if h.cfg != nil {
+		runMode = h.cfg.RunMode
+	}
+
+	response.Success(c, UserResponse{User: dto.UserFromService(user), RunMode: runMode})
 }

backend/internal/pkg/gemini/models.go

@@ -18,8 +18,10 @@ func DefaultModels() []Model {
 	methods := []string{"generateContent", "streamGenerateContent"}
 	return []Model{
 		{Name: "models/gemini-3-pro-preview", SupportedGenerationMethods: methods},
+		{Name: "models/gemini-3-flash-preview", SupportedGenerationMethods: methods},
+		{Name: "models/gemini-2.5-pro", SupportedGenerationMethods: methods},
+		{Name: "models/gemini-2.5-flash", SupportedGenerationMethods: methods},
 		{Name: "models/gemini-2.0-flash", SupportedGenerationMethods: methods},
-		{Name: "models/gemini-2.0-flash-lite", SupportedGenerationMethods: methods},
 		{Name: "models/gemini-1.5-pro", SupportedGenerationMethods: methods},
 		{Name: "models/gemini-1.5-flash", SupportedGenerationMethods: methods},
 		{Name: "models/gemini-1.5-flash-8b", SupportedGenerationMethods: methods},

backend/internal/pkg/geminicli/models.go

@@ -11,11 +11,11 @@ type Model struct {
 
 // DefaultModels is the curated Gemini model list used by the admin UI "test account" flow.
 var DefaultModels = []Model{
-	{ID: "gemini-3-pro", Type: "model", DisplayName: "Gemini 3 Pro", CreatedAt: ""},
+	{ID: "gemini-3-pro-preview", Type: "model", DisplayName: "Gemini 3 Pro Preview", CreatedAt: ""},
-	{ID: "gemini-3-flash", Type: "model", DisplayName: "Gemini 3 Flash", CreatedAt: ""},
+	{ID: "gemini-3-flash-preview", Type: "model", DisplayName: "Gemini 3 Flash Preview", CreatedAt: ""},
 	{ID: "gemini-2.5-pro", Type: "model", DisplayName: "Gemini 2.5 Pro", CreatedAt: ""},
 	{ID: "gemini-2.5-flash", Type: "model", DisplayName: "Gemini 2.5 Flash", CreatedAt: ""},
 }
 
 // DefaultTestModel is the default model to preselect in test flows.
-const DefaultTestModel = "gemini-2.5-pro"
+const DefaultTestModel = "gemini-3-pro-preview"

backend/internal/repository/auto_migrate.go

@@ -0,0 +1,106 @@
+package repository
+
+import (
+	"log"
+	"time"
+
+	"gorm.io/gorm"
+)
+
+// MaxExpiresAt is the maximum allowed expiration date for subscriptions (year 2099)
+// This prevents time.Time JSON serialization errors (RFC 3339 requires year <= 9999)
+var maxExpiresAt = time.Date(2099, 12, 31, 23, 59, 59, 0, time.UTC)
+
+// AutoMigrate runs schema migrations for all repository persistence models.
+// Persistence models are defined within individual `*_repo.go` files.
+func AutoMigrate(db *gorm.DB) error {
+	err := db.AutoMigrate(
+		&userModel{},
+		&apiKeyModel{},
+		&groupModel{},
+		&accountModel{},
+		&accountGroupModel{},
+		&proxyModel{},
+		&redeemCodeModel{},
+		&usageLogModel{},
+		&settingModel{},
+		&userSubscriptionModel{},
+	)
+	if err != nil {
+		return err
+	}
+
+	// 创建默认分组(简易模式支持)
+	if err := ensureDefaultGroups(db); err != nil {
+		return err
+	}
+
+	// 修复无效的过期时间（年份超过 2099 会导致 JSON 序列化失败）
+	return fixInvalidExpiresAt(db)
+}
+
+// fixInvalidExpiresAt 修复 user_subscriptions 表中无效的过期时间
+func fixInvalidExpiresAt(db *gorm.DB) error {
+	result := db.Model(&userSubscriptionModel{}).
+		Where("expires_at > ?", maxExpiresAt).
+		Update("expires_at", maxExpiresAt)
+	if result.Error != nil {
+		return result.Error
+	}
+	if result.RowsAffected > 0 {
+		log.Printf("[AutoMigrate] Fixed %d subscriptions with invalid expires_at (year > 2099)", result.RowsAffected)
+	}
+	return nil
+}
+
+// ensureDefaultGroups 确保默认分组存在(简易模式支持)
+// 为每个平台创建一个默认分组,配置最大权限以确保简易模式下不受限制
+func ensureDefaultGroups(db *gorm.DB) error {
+	defaultGroups := []struct {
+		name        string
+		platform    string
+		description string
+	}{
+		{
+			name:        "anthropic-default",
+			platform:    "anthropic",
+			description: "Default group for Anthropic accounts (Simple Mode)",
+		},
+		{
+			name:        "openai-default",
+			platform:    "openai",
+			description: "Default group for OpenAI accounts (Simple Mode)",
+		},
+		{
+			name:        "gemini-default",
+			platform:    "gemini",
+			description: "Default group for Gemini accounts (Simple Mode)",
+		},
+	}
+
+	for _, dg := range defaultGroups {
+		var count int64
+		if err := db.Model(&groupModel{}).Where("name = ?", dg.name).Count(&count).Error; err != nil {
+			return err
+		}
+
+		if count == 0 {
+			group := &groupModel{
+				Name:             dg.name,
+				Description:      dg.description,
+				Platform:         dg.platform,
+				RateMultiplier:   1.0,
+				IsExclusive:      false,
+				Status:           "active",
+				SubscriptionType: "standard",
+			}
+			if err := db.Create(group).Error; err != nil {
+				log.Printf("[AutoMigrate] Failed to create default group %s: %v", dg.name, err)
+				return err
+			}
+			log.Printf("[AutoMigrate] Created default group: %s (platform: %s)", dg.name, dg.platform)
+		}
+	}
+
+	return nil
+}

backend/internal/repository/group_repo_integration_test.go

@@ -118,8 +118,9 @@ func (s *GroupRepoSuite) TestList() {
 
 	groups, page, err := s.repo.List(s.ctx, pagination.PaginationParams{Page: 1, PageSize: 10})
 	s.Require().NoError(err, "List")
-	s.Require().Len(groups, 2)
+	// 3 default groups + 2 test groups = 5 total
-	s.Require().Equal(int64(2), page.Total)
+	s.Require().Len(groups, 5)
+	s.Require().Equal(int64(5), page.Total)
 }
 
 func (s *GroupRepoSuite) TestListWithFilters_Platform() {
@@ -142,8 +143,12 @@ func (s *GroupRepoSuite) TestListWithFilters_Platform() {
 
 	groups, _, err := s.repo.ListWithFilters(s.ctx, pagination.PaginationParams{Page: 1, PageSize: 10}, service.PlatformOpenAI, "", nil)
 	s.Require().NoError(err)
-	s.Require().Len(groups, 1)
+	// 1 default openai group + 1 test openai group = 2 total
-	s.Require().Equal(service.PlatformOpenAI, groups[0].Platform)
+	s.Require().Len(groups, 2)
+	// Verify all groups are OpenAI platform
+	for _, g := range groups {
+		s.Require().Equal(service.PlatformOpenAI, g.Platform)
+	}
 }
 
 func (s *GroupRepoSuite) TestListWithFilters_Status() {
@@ -257,8 +262,17 @@ func (s *GroupRepoSuite) TestListActive() {
 
 	groups, err := s.repo.ListActive(s.ctx)
 	s.Require().NoError(err, "ListActive")
-	s.Require().Len(groups, 1)
+	// 3 default groups (all active) + 1 test active group = 4 total
-	s.Require().Equal("active1", groups[0].Name)
+	s.Require().Len(groups, 4)
+	// Verify our test group is in the results
+	var found bool
+	for _, g := range groups {
+		if g.Name == "active1" {
+			found = true
+			break
+		}
+	}
+	s.Require().True(found, "active1 group should be in results")
 }
 
 func (s *GroupRepoSuite) TestListActiveByPlatform() {
@@ -289,8 +303,17 @@ func (s *GroupRepoSuite) TestListActiveByPlatform() {
 
 	groups, err := s.repo.ListActiveByPlatform(s.ctx, service.PlatformAnthropic)
 	s.Require().NoError(err, "ListActiveByPlatform")
-	s.Require().Len(groups, 1)
+	// 1 default anthropic group + 1 test active anthropic group = 2 total
-	s.Require().Equal("g1", groups[0].Name)
+	s.Require().Len(groups, 2)
+	// Verify our test group is in the results
+	var found bool
+	for _, g := range groups {
+		if g.Name == "g1" {
+			found = true
+			break
+		}
+	}
+	s.Require().True(found, "g1 group should be in results")
 }
 
 // --- ExistsByName ---

backend/internal/server/api_contract_test.go

@@ -59,7 +59,8 @@ func TestAPIContracts(t *testing.T) {
 					"status": "active",
 					"allowed_groups": null,
 					"created_at": "2025-01-02T03:04:05Z",
-					"updated_at": "2025-01-02T03:04:05Z"
+					"updated_at": "2025-01-02T03:04:05Z",
+					"run_mode": "standard"
 				}
 			}`,
 		},
@@ -369,6 +370,7 @@ func newContractDeps(t *testing.T) *contractDeps {
 		Default: config.DefaultConfig{
 			ApiKeyPrefix: "sk-",
 		},
+		RunMode: config.RunModeStandard,
 	}
 
 	userService := service.NewUserService(userRepo)
@@ -380,7 +382,7 @@ func newContractDeps(t *testing.T) *contractDeps {
 	settingRepo := newStubSettingRepo()
 	settingService := service.NewSettingService(settingRepo, cfg)
 
-	authHandler := handler.NewAuthHandler(nil, userService)
+	authHandler := handler.NewAuthHandler(cfg, nil, userService)
 	apiKeyHandler := handler.NewAPIKeyHandler(apiKeyService)
 	usageHandler := handler.NewUsageHandler(usageService, apiKeyService)
 	adminSettingHandler := adminhandler.NewSettingHandler(settingService, nil)

backend/internal/server/http.go

@@ -36,7 +36,7 @@ func ProvideRouter(
 	r := gin.New()
 	r.Use(middleware2.Recovery())
 
-	return SetupRouter(r, handlers, jwtAuth, adminAuth, apiKeyAuth, apiKeyService, subscriptionService)
+	return SetupRouter(r, handlers, jwtAuth, adminAuth, apiKeyAuth, apiKeyService, subscriptionService, cfg)
 }
 
 // ProvideHTTPServer 提供 HTTP 服务器

backend/internal/server/middleware/api_key_auth.go

@@ -5,18 +5,19 @@ import (
 	"log"
 	"strings"
 
+	"github.com/Wei-Shaw/sub2api/internal/config"
 	"github.com/Wei-Shaw/sub2api/internal/service"
 
 	"github.com/gin-gonic/gin"
 )
 
 // NewApiKeyAuthMiddleware 创建 API Key 认证中间件
-func NewApiKeyAuthMiddleware(apiKeyService *service.ApiKeyService, subscriptionService *service.SubscriptionService) ApiKeyAuthMiddleware {
+func NewApiKeyAuthMiddleware(apiKeyService *service.ApiKeyService, subscriptionService *service.SubscriptionService, cfg *config.Config) ApiKeyAuthMiddleware {
-	return ApiKeyAuthMiddleware(apiKeyAuthWithSubscription(apiKeyService, subscriptionService))
+	return ApiKeyAuthMiddleware(apiKeyAuthWithSubscription(apiKeyService, subscriptionService, cfg))
 }
 
 // apiKeyAuthWithSubscription API Key认证中间件（支持订阅验证）
-func apiKeyAuthWithSubscription(apiKeyService *service.ApiKeyService, subscriptionService *service.SubscriptionService) gin.HandlerFunc {
+func apiKeyAuthWithSubscription(apiKeyService *service.ApiKeyService, subscriptionService *service.SubscriptionService, cfg *config.Config) gin.HandlerFunc {
 	return func(c *gin.Context) {
 		// 尝试从Authorization header中提取API key (Bearer scheme)
 		authHeader := c.GetHeader("Authorization")
@@ -85,6 +86,18 @@ func apiKeyAuthWithSubscription(apiKeyService *service.ApiKeyService, subscripti
 			return
 		}
 
+		if cfg.RunMode == config.RunModeSimple {
+			// 简易模式：跳过余额和订阅检查，但仍需设置必要的上下文
+			c.Set(string(ContextKeyApiKey), apiKey)
+			c.Set(string(ContextKeyUser), AuthSubject{
+				UserID:      apiKey.User.ID,
+				Concurrency: apiKey.User.Concurrency,
+			})
+			c.Set(string(ContextKeyUserRole), apiKey.User.Role)
+			c.Next()
+			return
+		}
+
 		// 判断计费方式：订阅模式 vs 余额模式
 		isSubscriptionType := apiKey.Group != nil && apiKey.Group.IsSubscriptionType()
 

backend/internal/server/middleware/api_key_auth_google.go

@@ -4,6 +4,7 @@ import (
 	"errors"
 	"strings"
 
+	"github.com/Wei-Shaw/sub2api/internal/config"
 	"github.com/Wei-Shaw/sub2api/internal/pkg/googleapi"
 	"github.com/Wei-Shaw/sub2api/internal/service"
 
@@ -11,15 +12,15 @@ import (
 )
 
 // ApiKeyAuthGoogle is a Google-style error wrapper for API key auth.
-func ApiKeyAuthGoogle(apiKeyService *service.ApiKeyService) gin.HandlerFunc {
+func ApiKeyAuthGoogle(apiKeyService *service.ApiKeyService, cfg *config.Config) gin.HandlerFunc {
-	return ApiKeyAuthWithSubscriptionGoogle(apiKeyService, nil)
+	return ApiKeyAuthWithSubscriptionGoogle(apiKeyService, nil, cfg)
 }
 
 // ApiKeyAuthWithSubscriptionGoogle behaves like ApiKeyAuthWithSubscription but returns Google-style errors:
 // {"error":{"code":401,"message":"...","status":"UNAUTHENTICATED"}}
 //
 // It is intended for Gemini native endpoints (/v1beta) to match Gemini SDK expectations.
-func ApiKeyAuthWithSubscriptionGoogle(apiKeyService *service.ApiKeyService, subscriptionService *service.SubscriptionService) gin.HandlerFunc {
+func ApiKeyAuthWithSubscriptionGoogle(apiKeyService *service.ApiKeyService, subscriptionService *service.SubscriptionService, cfg *config.Config) gin.HandlerFunc {
 	return func(c *gin.Context) {
 		apiKeyString := extractAPIKeyFromRequest(c)
 		if apiKeyString == "" {
@@ -50,6 +51,18 @@ func ApiKeyAuthWithSubscriptionGoogle(apiKeyService *service.ApiKeyService, subs
 			return
 		}
 
+		// 简易模式：跳过余额和订阅检查
+		if cfg.RunMode == config.RunModeSimple {
+			c.Set(string(ContextKeyApiKey), apiKey)
+			c.Set(string(ContextKeyUser), AuthSubject{
+				UserID:      apiKey.User.ID,
+				Concurrency: apiKey.User.Concurrency,
+			})
+			c.Set(string(ContextKeyUserRole), apiKey.User.Role)
+			c.Next()
+			return
+		}
+
 		isSubscriptionType := apiKey.Group != nil && apiKey.Group.IsSubscriptionType()
 		if isSubscriptionType && subscriptionService != nil {
 			subscription, err := subscriptionService.GetActiveSubscription(

backend/internal/server/middleware/api_key_auth_test.go

@@ -0,0 +1,286 @@
+//go:build unit
+
+package middleware
+
+import (
+	"context"
+	"errors"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+
+	"github.com/Wei-Shaw/sub2api/internal/config"
+	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
+	"github.com/Wei-Shaw/sub2api/internal/service"
+	"github.com/gin-gonic/gin"
+	"github.com/stretchr/testify/require"
+)
+
+func TestSimpleModeBypassesQuotaCheck(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+
+	limit := 1.0
+	group := &service.Group{
+		ID:               42,
+		Name:             "sub",
+		Status:           service.StatusActive,
+		SubscriptionType: service.SubscriptionTypeSubscription,
+		DailyLimitUSD:    &limit,
+	}
+	user := &service.User{
+		ID:          7,
+		Role:        service.RoleUser,
+		Status:      service.StatusActive,
+		Balance:     10,
+		Concurrency: 3,
+	}
+	apiKey := &service.ApiKey{
+		ID:     100,
+		UserID: user.ID,
+		Key:    "test-key",
+		Status: service.StatusActive,
+		User:   user,
+		Group:  group,
+	}
+	apiKey.GroupID = &group.ID
+
+	apiKeyRepo := &stubApiKeyRepo{
+		getByKey: func(ctx context.Context, key string) (*service.ApiKey, error) {
+			if key != apiKey.Key {
+				return nil, service.ErrApiKeyNotFound
+			}
+			clone := *apiKey
+			return &clone, nil
+		},
+	}
+
+	t.Run("simple_mode_bypasses_quota_check", func(t *testing.T) {
+		cfg := &config.Config{RunMode: config.RunModeSimple}
+		apiKeyService := service.NewApiKeyService(apiKeyRepo, nil, nil, nil, nil, cfg)
+		subscriptionService := service.NewSubscriptionService(nil, &stubUserSubscriptionRepo{}, nil)
+		router := newAuthTestRouter(apiKeyService, subscriptionService, cfg)
+
+		w := httptest.NewRecorder()
+		req := httptest.NewRequest(http.MethodGet, "/t", nil)
+		req.Header.Set("x-api-key", apiKey.Key)
+		router.ServeHTTP(w, req)
+
+		require.Equal(t, http.StatusOK, w.Code)
+	})
+
+	t.Run("standard_mode_enforces_quota_check", func(t *testing.T) {
+		cfg := &config.Config{RunMode: config.RunModeStandard}
+		apiKeyService := service.NewApiKeyService(apiKeyRepo, nil, nil, nil, nil, cfg)
+
+		now := time.Now()
+		sub := &service.UserSubscription{
+			ID:               55,
+			UserID:           user.ID,
+			GroupID:          group.ID,
+			Status:           service.SubscriptionStatusActive,
+			ExpiresAt:        now.Add(24 * time.Hour),
+			DailyWindowStart: &now,
+			DailyUsageUSD:    10,
+		}
+		subscriptionRepo := &stubUserSubscriptionRepo{
+			getActive: func(ctx context.Context, userID, groupID int64) (*service.UserSubscription, error) {
+				if userID != sub.UserID || groupID != sub.GroupID {
+					return nil, service.ErrSubscriptionNotFound
+				}
+				clone := *sub
+				return &clone, nil
+			},
+			updateStatus:   func(ctx context.Context, subscriptionID int64, status string) error { return nil },
+			activateWindow: func(ctx context.Context, id int64, start time.Time) error { return nil },
+			resetDaily:     func(ctx context.Context, id int64, start time.Time) error { return nil },
+			resetWeekly:    func(ctx context.Context, id int64, start time.Time) error { return nil },
+			resetMonthly:   func(ctx context.Context, id int64, start time.Time) error { return nil },
+		}
+		subscriptionService := service.NewSubscriptionService(nil, subscriptionRepo, nil)
+		router := newAuthTestRouter(apiKeyService, subscriptionService, cfg)
+
+		w := httptest.NewRecorder()
+		req := httptest.NewRequest(http.MethodGet, "/t", nil)
+		req.Header.Set("x-api-key", apiKey.Key)
+		router.ServeHTTP(w, req)
+
+		require.Equal(t, http.StatusTooManyRequests, w.Code)
+		require.Contains(t, w.Body.String(), "USAGE_LIMIT_EXCEEDED")
+	})
+}
+
+func newAuthTestRouter(apiKeyService *service.ApiKeyService, subscriptionService *service.SubscriptionService, cfg *config.Config) *gin.Engine {
+	router := gin.New()
+	router.Use(gin.HandlerFunc(NewApiKeyAuthMiddleware(apiKeyService, subscriptionService, cfg)))
+	router.GET("/t", func(c *gin.Context) {
+		c.JSON(http.StatusOK, gin.H{"ok": true})
+	})
+	return router
+}
+
+type stubApiKeyRepo struct {
+	getByKey func(ctx context.Context, key string) (*service.ApiKey, error)
+}
+
+func (r *stubApiKeyRepo) Create(ctx context.Context, key *service.ApiKey) error {
+	return errors.New("not implemented")
+}
+
+func (r *stubApiKeyRepo) GetByID(ctx context.Context, id int64) (*service.ApiKey, error) {
+	return nil, errors.New("not implemented")
+}
+
+func (r *stubApiKeyRepo) GetByKey(ctx context.Context, key string) (*service.ApiKey, error) {
+	if r.getByKey != nil {
+		return r.getByKey(ctx, key)
+	}
+	return nil, errors.New("not implemented")
+}
+
+func (r *stubApiKeyRepo) Update(ctx context.Context, key *service.ApiKey) error {
+	return errors.New("not implemented")
+}
+
+func (r *stubApiKeyRepo) Delete(ctx context.Context, id int64) error {
+	return errors.New("not implemented")
+}
+
+func (r *stubApiKeyRepo) ListByUserID(ctx context.Context, userID int64, params pagination.PaginationParams) ([]service.ApiKey, *pagination.PaginationResult, error) {
+	return nil, nil, errors.New("not implemented")
+}
+
+func (r *stubApiKeyRepo) VerifyOwnership(ctx context.Context, userID int64, apiKeyIDs []int64) ([]int64, error) {
+	return nil, errors.New("not implemented")
+}
+
+func (r *stubApiKeyRepo) CountByUserID(ctx context.Context, userID int64) (int64, error) {
+	return 0, errors.New("not implemented")
+}
+
+func (r *stubApiKeyRepo) ExistsByKey(ctx context.Context, key string) (bool, error) {
+	return false, errors.New("not implemented")
+}
+
+func (r *stubApiKeyRepo) ListByGroupID(ctx context.Context, groupID int64, params pagination.PaginationParams) ([]service.ApiKey, *pagination.PaginationResult, error) {
+	return nil, nil, errors.New("not implemented")
+}
+
+func (r *stubApiKeyRepo) SearchApiKeys(ctx context.Context, userID int64, keyword string, limit int) ([]service.ApiKey, error) {
+	return nil, errors.New("not implemented")
+}
+
+func (r *stubApiKeyRepo) ClearGroupIDByGroupID(ctx context.Context, groupID int64) (int64, error) {
+	return 0, errors.New("not implemented")
+}
+
+func (r *stubApiKeyRepo) CountByGroupID(ctx context.Context, groupID int64) (int64, error) {
+	return 0, errors.New("not implemented")
+}
+
+type stubUserSubscriptionRepo struct {
+	getActive      func(ctx context.Context, userID, groupID int64) (*service.UserSubscription, error)
+	updateStatus   func(ctx context.Context, subscriptionID int64, status string) error
+	activateWindow func(ctx context.Context, id int64, start time.Time) error
+	resetDaily     func(ctx context.Context, id int64, start time.Time) error
+	resetWeekly    func(ctx context.Context, id int64, start time.Time) error
+	resetMonthly   func(ctx context.Context, id int64, start time.Time) error
+}
+
+func (r *stubUserSubscriptionRepo) Create(ctx context.Context, sub *service.UserSubscription) error {
+	return errors.New("not implemented")
+}
+
+func (r *stubUserSubscriptionRepo) GetByID(ctx context.Context, id int64) (*service.UserSubscription, error) {
+	return nil, errors.New("not implemented")
+}
+
+func (r *stubUserSubscriptionRepo) GetByUserIDAndGroupID(ctx context.Context, userID, groupID int64) (*service.UserSubscription, error) {
+	return nil, errors.New("not implemented")
+}
+
+func (r *stubUserSubscriptionRepo) GetActiveByUserIDAndGroupID(ctx context.Context, userID, groupID int64) (*service.UserSubscription, error) {
+	if r.getActive != nil {
+		return r.getActive(ctx, userID, groupID)
+	}
+	return nil, errors.New("not implemented")
+}
+
+func (r *stubUserSubscriptionRepo) Update(ctx context.Context, sub *service.UserSubscription) error {
+	return errors.New("not implemented")
+}
+
+func (r *stubUserSubscriptionRepo) Delete(ctx context.Context, id int64) error {
+	return errors.New("not implemented")
+}
+
+func (r *stubUserSubscriptionRepo) ListByUserID(ctx context.Context, userID int64) ([]service.UserSubscription, error) {
+	return nil, errors.New("not implemented")
+}
+
+func (r *stubUserSubscriptionRepo) ListActiveByUserID(ctx context.Context, userID int64) ([]service.UserSubscription, error) {
+	return nil, errors.New("not implemented")
+}
+
+func (r *stubUserSubscriptionRepo) ListByGroupID(ctx context.Context, groupID int64, params pagination.PaginationParams) ([]service.UserSubscription, *pagination.PaginationResult, error) {
+	return nil, nil, errors.New("not implemented")
+}
+
+func (r *stubUserSubscriptionRepo) List(ctx context.Context, params pagination.PaginationParams, userID, groupID *int64, status string) ([]service.UserSubscription, *pagination.PaginationResult, error) {
+	return nil, nil, errors.New("not implemented")
+}
+
+func (r *stubUserSubscriptionRepo) ExistsByUserIDAndGroupID(ctx context.Context, userID, groupID int64) (bool, error) {
+	return false, errors.New("not implemented")
+}
+
+func (r *stubUserSubscriptionRepo) ExtendExpiry(ctx context.Context, subscriptionID int64, newExpiresAt time.Time) error {
+	return errors.New("not implemented")
+}
+
+func (r *stubUserSubscriptionRepo) UpdateStatus(ctx context.Context, subscriptionID int64, status string) error {
+	if r.updateStatus != nil {
+		return r.updateStatus(ctx, subscriptionID, status)
+	}
+	return errors.New("not implemented")
+}
+
+func (r *stubUserSubscriptionRepo) UpdateNotes(ctx context.Context, subscriptionID int64, notes string) error {
+	return errors.New("not implemented")
+}
+
+func (r *stubUserSubscriptionRepo) ActivateWindows(ctx context.Context, id int64, start time.Time) error {
+	if r.activateWindow != nil {
+		return r.activateWindow(ctx, id, start)
+	}
+	return errors.New("not implemented")
+}
+
+func (r *stubUserSubscriptionRepo) ResetDailyUsage(ctx context.Context, id int64, newWindowStart time.Time) error {
+	if r.resetDaily != nil {
+		return r.resetDaily(ctx, id, newWindowStart)
+	}
+	return errors.New("not implemented")
+}
+
+func (r *stubUserSubscriptionRepo) ResetWeeklyUsage(ctx context.Context, id int64, newWindowStart time.Time) error {
+	if r.resetWeekly != nil {
+		return r.resetWeekly(ctx, id, newWindowStart)
+	}
+	return errors.New("not implemented")
+}
+
+func (r *stubUserSubscriptionRepo) ResetMonthlyUsage(ctx context.Context, id int64, newWindowStart time.Time) error {
+	if r.resetMonthly != nil {
+		return r.resetMonthly(ctx, id, newWindowStart)
+	}
+	return errors.New("not implemented")
+}
+
+func (r *stubUserSubscriptionRepo) IncrementUsage(ctx context.Context, id int64, costUSD float64) error {
+	return errors.New("not implemented")
+}
+
+func (r *stubUserSubscriptionRepo) BatchUpdateExpiredStatus(ctx context.Context) (int64, error) {
+	return 0, errors.New("not implemented")
+}

backend/internal/server/router.go

@@ -1,6 +1,7 @@
 package server
 
 import (
+	"github.com/Wei-Shaw/sub2api/internal/config"
 	"github.com/Wei-Shaw/sub2api/internal/handler"
 	middleware2 "github.com/Wei-Shaw/sub2api/internal/server/middleware"
 	"github.com/Wei-Shaw/sub2api/internal/server/routes"
@@ -19,6 +20,7 @@ func SetupRouter(
 	apiKeyAuth middleware2.ApiKeyAuthMiddleware,
 	apiKeyService *service.ApiKeyService,
 	subscriptionService *service.SubscriptionService,
+	cfg *config.Config,
 ) *gin.Engine {
 	// 应用中间件
 	r.Use(middleware2.Logger())
@@ -30,7 +32,7 @@ func SetupRouter(
 	}
 
 	// 注册路由
-	registerRoutes(r, handlers, jwtAuth, adminAuth, apiKeyAuth, apiKeyService, subscriptionService)
+	registerRoutes(r, handlers, jwtAuth, adminAuth, apiKeyAuth, apiKeyService, subscriptionService, cfg)
 
 	return r
 }
@@ -44,6 +46,7 @@ func registerRoutes(
 	apiKeyAuth middleware2.ApiKeyAuthMiddleware,
 	apiKeyService *service.ApiKeyService,
 	subscriptionService *service.SubscriptionService,
+	cfg *config.Config,
 ) {
 	// 通用路由（健康检查、状态等）
 	routes.RegisterCommonRoutes(r)
@@ -55,5 +58,5 @@ func registerRoutes(
 	routes.RegisterAuthRoutes(v1, h, jwtAuth)
 	routes.RegisterUserRoutes(v1, h, jwtAuth)
 	routes.RegisterAdminRoutes(v1, h, adminAuth)
-	routes.RegisterGatewayRoutes(r, h, apiKeyAuth, apiKeyService, subscriptionService)
+	routes.RegisterGatewayRoutes(r, h, apiKeyAuth, apiKeyService, subscriptionService, cfg)
 }

backend/internal/server/routes/gateway.go

@@ -1,6 +1,7 @@
 package routes
 
 import (
+	"github.com/Wei-Shaw/sub2api/internal/config"
 	"github.com/Wei-Shaw/sub2api/internal/handler"
 	"github.com/Wei-Shaw/sub2api/internal/server/middleware"
 	"github.com/Wei-Shaw/sub2api/internal/service"
@@ -15,6 +16,7 @@ func RegisterGatewayRoutes(
 	apiKeyAuth middleware.ApiKeyAuthMiddleware,
 	apiKeyService *service.ApiKeyService,
 	subscriptionService *service.SubscriptionService,
+	cfg *config.Config,
 ) {
 	// API网关（Claude API兼容）
 	gateway := r.Group("/v1")
@@ -30,7 +32,7 @@ func RegisterGatewayRoutes(
 
 	// Gemini 原生 API 兼容层（Gemini SDK/CLI 直连）
 	gemini := r.Group("/v1beta")
-	gemini.Use(middleware.ApiKeyAuthWithSubscriptionGoogle(apiKeyService, subscriptionService))
+	gemini.Use(middleware.ApiKeyAuthWithSubscriptionGoogle(apiKeyService, subscriptionService, cfg))
 	{
 		gemini.GET("/models", h.Gateway.GeminiV1BetaListModels)
 		gemini.GET("/models/:model", h.Gateway.GeminiV1BetaGetModel)

backend/internal/service/account_usage_service.go

@@ -54,15 +54,23 @@ type UsageLogRepository interface {
 	GetApiKeyStatsAggregated(ctx context.Context, apiKeyID int64, startTime, endTime time.Time) (*usagestats.UsageStats, error)
 }
 
-// usageCache 用于缓存usage数据
+// apiUsageCache 缓存从 Anthropic API 获取的使用率数据（utilization, resets_at）
-type usageCache struct {
+type apiUsageCache struct {
-	data      *UsageInfo
+	response  *ClaudeUsageResponse
+	timestamp time.Time
+}
+
+// windowStatsCache 缓存从本地数据库查询的窗口统计（requests, tokens, cost）
+type windowStatsCache struct {
+	stats     *WindowStats
 	timestamp time.Time
 }
 
 var (
-	usageCacheMap = sync.Map{}
+	apiCacheMap         = sync.Map{} // 缓存 API 响应
-	cacheTTL      = 10 * time.Minute
+	windowStatsCacheMap = sync.Map{} // 缓存窗口统计
+	apiCacheTTL         = 10 * time.Minute
+	windowStatsCacheTTL = 1 * time.Minute
 )
 
 // WindowStats 窗口期统计
@@ -126,7 +134,7 @@ func NewAccountUsageService(accountRepo AccountRepository, usageLogRepo UsageLog
 }
 
 // GetUsage 获取账号使用量
-// OAuth账号: 调用Anthropic API获取真实数据（需要profile scope），缓存10分钟
+// OAuth账号: 调用Anthropic API获取真实数据（需要profile scope），API响应缓存10分钟，窗口统计缓存1分钟
 // Setup Token账号: 根据session_window推算5h窗口，7d数据不可用（没有profile scope）
 // API Key账号: 不支持usage查询
 func (s *AccountUsageService) GetUsage(ctx context.Context, accountID int64) (*UsageInfo, error) {
@@ -137,30 +145,34 @@ func (s *AccountUsageService) GetUsage(ctx context.Context, accountID int64) (*U
 
 	// 只有oauth类型账号可以通过API获取usage（有profile scope）
 	if account.CanGetUsage() {
-		// 检查缓存
+		var apiResp *ClaudeUsageResponse
-		if cached, ok := usageCacheMap.Load(accountID); ok {
+
-			cache, ok := cached.(*usageCache)
+		// 1. 检查 API 缓存（10 分钟）
-			if !ok {
+		if cached, ok := apiCacheMap.Load(accountID); ok {
-				usageCacheMap.Delete(accountID)
+			if cache, ok := cached.(*apiUsageCache); ok && time.Since(cache.timestamp) < apiCacheTTL {
-			} else if time.Since(cache.timestamp) < cacheTTL {
+				apiResp = cache.response
-				return cache.data, nil
 			}
 		}
 
-		// 从API获取数据
+		// 2. 如果没有缓存，从 API 获取
-		usage, err := s.fetchOAuthUsage(ctx, account)
+		if apiResp == nil {
-		if err != nil {
+			apiResp, err = s.fetchOAuthUsageRaw(ctx, account)
-			return nil, err
+			if err != nil {
+				return nil, err
+			}
+			// 缓存 API 响应
+			apiCacheMap.Store(accountID, &apiUsageCache{
+				response:  apiResp,
+				timestamp: time.Now(),
+			})
 		}
 
-		// 添加5h窗口统计数据
+		// 3. 构建 UsageInfo（每次都重新计算 RemainingSeconds）
-		s.addWindowStats(ctx, account, usage)
+		now := time.Now()
+		usage := s.buildUsageInfo(apiResp, &now)
 
-		// 缓存结果
+		// 4. 添加窗口统计（有独立缓存，1 分钟）
-		usageCacheMap.Store(accountID, &usageCache{
+		s.addWindowStats(ctx, account, usage)
-			data:      usage,
-			timestamp: time.Now(),
-		})
 
 		return usage, nil
 	}
@@ -177,31 +189,54 @@ func (s *AccountUsageService) GetUsage(ctx context.Context, accountID int64) (*U
 	return nil, fmt.Errorf("account type %s does not support usage query", account.Type)
 }
 
-// addWindowStats 为usage数据添加窗口期统计
+// addWindowStats 为 usage 数据添加窗口期统计
+// 使用独立缓存（1 分钟），与 API 缓存分离
 func (s *AccountUsageService) addWindowStats(ctx context.Context, account *Account, usage *UsageInfo) {
-	if usage.FiveHour == nil {
+	// 修复：即使 FiveHour 为 nil，也要尝试获取统计数据
+	// 因为 SevenDay/SevenDaySonnet 可能需要
+	if usage.FiveHour == nil && usage.SevenDay == nil && usage.SevenDaySonnet == nil {
 		return
 	}
 
-	// 使用session_window_start作为统计起始时间
+	// 检查窗口统计缓存（1 分钟）
-	var startTime time.Time
+	var windowStats *WindowStats
-	if account.SessionWindowStart != nil {
+	if cached, ok := windowStatsCacheMap.Load(account.ID); ok {
-		startTime = *account.SessionWindowStart
+		if cache, ok := cached.(*windowStatsCache); ok && time.Since(cache.timestamp) < windowStatsCacheTTL {
-	} else {
+			windowStats = cache.stats
-		// 如果没有窗口信息，使用5小时前作为默认
+		}
-		startTime = time.Now().Add(-5 * time.Hour)
 	}
 
-	stats, err := s.usageLogRepo.GetAccountWindowStats(ctx, account.ID, startTime)
+	// 如果没有缓存，从数据库查询
-	if err != nil {
+	if windowStats == nil {
-		log.Printf("Failed to get window stats for account %d: %v", account.ID, err)
+		var startTime time.Time
-		return
+		if account.SessionWindowStart != nil {
+			startTime = *account.SessionWindowStart
+		} else {
+			startTime = time.Now().Add(-5 * time.Hour)
+		}
+
+		stats, err := s.usageLogRepo.GetAccountWindowStats(ctx, account.ID, startTime)
+		if err != nil {
+			log.Printf("Failed to get window stats for account %d: %v", account.ID, err)
+			return
+		}
+
+		windowStats = &WindowStats{
+			Requests: stats.Requests,
+			Tokens:   stats.Tokens,
+			Cost:     stats.Cost,
+		}
+
+		// 缓存窗口统计（1 分钟）
+		windowStatsCacheMap.Store(account.ID, &windowStatsCache{
+			stats:     windowStats,
+			timestamp: time.Now(),
+		})
 	}
 
-	usage.FiveHour.WindowStats = &WindowStats{
+	// 为 FiveHour 添加 WindowStats（5h 窗口统计）
-		Requests: stats.Requests,
+	if usage.FiveHour != nil {
-		Tokens:   stats.Tokens,
+		usage.FiveHour.WindowStats = windowStats
-		Cost:     stats.Cost,
 	}
 }
 
@@ -227,8 +262,8 @@ func (s *AccountUsageService) GetAccountUsageStats(ctx context.Context, accountI
 	return stats, nil
 }
 
-// fetchOAuthUsage 从Anthropic API获取OAuth账号的使用量
+// fetchOAuthUsageRaw 从 Anthropic API 获取原始响应（不构建 UsageInfo）
-func (s *AccountUsageService) fetchOAuthUsage(ctx context.Context, account *Account) (*UsageInfo, error) {
+func (s *AccountUsageService) fetchOAuthUsageRaw(ctx context.Context, account *Account) (*ClaudeUsageResponse, error) {
 	accessToken := account.GetCredential("access_token")
 	if accessToken == "" {
 		return nil, fmt.Errorf("no access token available")
@@ -239,13 +274,7 @@ func (s *AccountUsageService) fetchOAuthUsage(ctx context.Context, account *Acco
 		proxyURL = account.Proxy.URL()
 	}
 
-	usageResp, err := s.usageFetcher.FetchUsage(ctx, accessToken, proxyURL)
+	return s.usageFetcher.FetchUsage(ctx, accessToken, proxyURL)
-	if err != nil {
-		return nil, err
-	}
-
-	now := time.Now()
-	return s.buildUsageInfo(usageResp, &now), nil
 }
 
 // parseTime 尝试多种格式解析时间
@@ -270,20 +299,16 @@ func (s *AccountUsageService) buildUsageInfo(resp *ClaudeUsageResponse, updatedA
 		UpdatedAt: updatedAt,
 	}
 
-	// 5小时窗口
+	// 5小时窗口 - 始终创建对象（即使 ResetsAt 为空）
+	info.FiveHour = &UsageProgress{
+		Utilization: resp.FiveHour.Utilization,
+	}
 	if resp.FiveHour.ResetsAt != "" {
 		if fiveHourReset, err := parseTime(resp.FiveHour.ResetsAt); err == nil {
-			info.FiveHour = &UsageProgress{
+			info.FiveHour.ResetsAt = &fiveHourReset
-				Utilization:      resp.FiveHour.Utilization,
+			info.FiveHour.RemainingSeconds = int(time.Until(fiveHourReset).Seconds())
-				ResetsAt:         &fiveHourReset,
-				RemainingSeconds: int(time.Until(fiveHourReset).Seconds()),
-			}
 		} else {
 			log.Printf("Failed to parse FiveHour.ResetsAt: %s, error: %v", resp.FiveHour.ResetsAt, err)
-			// 即使解析失败也返回utilization
-			info.FiveHour = &UsageProgress{
-				Utilization: resp.FiveHour.Utilization,
-			}
 		}
 	}
 

backend/internal/service/admin_service.go

@@ -609,12 +609,30 @@ func (s *adminServiceImpl) CreateAccount(ctx context.Context, input *CreateAccou
 	if err := s.accountRepo.Create(ctx, account); err != nil {
 		return nil, err
 	}
+
 	// 绑定分组
-	if len(input.GroupIDs) > 0 {
+	groupIDs := input.GroupIDs
-		if err := s.accountRepo.BindGroups(ctx, account.ID, input.GroupIDs); err != nil {
+	// 如果没有指定分组,自动绑定对应平台的默认分组
+	if len(groupIDs) == 0 {
+		defaultGroupName := input.Platform + "-default"
+		groups, err := s.groupRepo.ListActiveByPlatform(ctx, input.Platform)
+		if err == nil {
+			for _, g := range groups {
+				if g.Name == defaultGroupName {
+					groupIDs = []int64{g.ID}
+					log.Printf("[CreateAccount] Auto-binding account %d to default group %s (ID: %d)", account.ID, defaultGroupName, g.ID)
+					break
+				}
+			}
+		}
+	}
+
+	if len(groupIDs) > 0 {
+		if err := s.accountRepo.BindGroups(ctx, account.ID, groupIDs); err != nil {
 			return nil, err
 		}
 	}
+
 	return account, nil
 }
 

backend/internal/service/billing_cache_service.go

@@ -6,6 +6,7 @@ import (
 	"log"
 	"time"
 
+	"github.com/Wei-Shaw/sub2api/internal/config"
 	infraerrors "github.com/Wei-Shaw/sub2api/internal/infrastructure/errors"
 )
 
@@ -32,14 +33,16 @@ type BillingCacheService struct {
 	cache    BillingCache
 	userRepo UserRepository
 	subRepo  UserSubscriptionRepository
+	cfg      *config.Config
 }
 
 // NewBillingCacheService 创建计费缓存服务
-func NewBillingCacheService(cache BillingCache, userRepo UserRepository, subRepo UserSubscriptionRepository) *BillingCacheService {
+func NewBillingCacheService(cache BillingCache, userRepo UserRepository, subRepo UserSubscriptionRepository, cfg *config.Config) *BillingCacheService {
 	return &BillingCacheService{
 		cache:    cache,
 		userRepo: userRepo,
 		subRepo:  subRepo,
+		cfg:      cfg,
 	}
 }
 
@@ -224,6 +227,11 @@ func (s *BillingCacheService) InvalidateSubscription(ctx context.Context, userID
 // 余额模式：检查缓存余额 > 0
 // 订阅模式：检查缓存用量未超过限额（Group限额从参数传入）
 func (s *BillingCacheService) CheckBillingEligibility(ctx context.Context, user *User, apiKey *ApiKey, group *Group, subscription *UserSubscription) error {
+	// 简易模式：跳过所有计费检查
+	if s.cfg.RunMode == config.RunModeSimple {
+		return nil
+	}
+
 	// 判断计费模式
 	isSubscriptionMode := group != nil && group.IsSubscriptionType() && subscription != nil
 

backend/internal/service/gateway_service.go

@@ -313,7 +313,10 @@ func (s *GatewayService) SelectAccountForModelWithExclusions(ctx context.Context
 	// 2. 获取可调度账号列表（排除限流和过载的账号，仅限 Anthropic 平台）
 	var accounts []Account
 	var err error
-	if groupID != nil {
+	if s.cfg.RunMode == config.RunModeSimple {
+		// 简易模式：忽略 groupID，查询所有可用账号
+		accounts, err = s.accountRepo.ListSchedulableByPlatform(ctx, PlatformAnthropic)
+	} else if groupID != nil {
 		accounts, err = s.accountRepo.ListSchedulableByGroupIDAndPlatform(ctx, *groupID, PlatformAnthropic)
 	} else {
 		accounts, err = s.accountRepo.ListSchedulableByPlatform(ctx, PlatformAnthropic)
@@ -1065,6 +1068,12 @@ func (s *GatewayService) RecordUsage(ctx context.Context, input *RecordUsageInpu
 		log.Printf("Create usage log failed: %v", err)
 	}
 
+	if s.cfg != nil && s.cfg.RunMode == config.RunModeSimple {
+		log.Printf("[SIMPLE MODE] Usage recorded (not billed): user=%d, tokens=%d", usageLog.UserID, usageLog.TotalTokens())
+		s.deferredService.ScheduleLastUsedUpdate(account.ID)
+		return nil
+	}
+
 	// 根据计费类型执行扣费
 	if isSubscriptionBilling {
 		// 订阅模式：更新订阅用量（使用 TotalCost 原始费用，不考虑倍率）

backend/internal/service/openai_gateway_service.go

@@ -10,6 +10,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"log"
 	"net/http"
 	"regexp"
 	"strconv"
@@ -155,7 +156,10 @@ func (s *OpenAIGatewayService) SelectAccountForModelWithExclusions(ctx context.C
 	// 2. Get schedulable OpenAI accounts
 	var accounts []Account
 	var err error
-	if groupID != nil {
+	// 简易模式：忽略分组限制，查询所有可用账号
+	if s.cfg.RunMode == config.RunModeSimple {
+		accounts, err = s.accountRepo.ListSchedulableByPlatform(ctx, PlatformOpenAI)
+	} else if groupID != nil {
 		accounts, err = s.accountRepo.ListSchedulableByGroupIDAndPlatform(ctx, *groupID, PlatformOpenAI)
 	} else {
 		accounts, err = s.accountRepo.ListSchedulableByPlatform(ctx, PlatformOpenAI)
@@ -754,6 +758,12 @@ func (s *OpenAIGatewayService) RecordUsage(ctx context.Context, input *OpenAIRec
 
 	_ = s.usageLogRepo.Create(ctx, usageLog)
 
+	if s.cfg != nil && s.cfg.RunMode == config.RunModeSimple {
+		log.Printf("[SIMPLE MODE] Usage recorded (not billed): user=%d, tokens=%d", usageLog.UserID, usageLog.TotalTokens())
+		s.deferredService.ScheduleLastUsedUpdate(account.ID)
+		return nil
+	}
+
 	// Deduct based on billing type
 	if isSubscriptionBilling {
 		if cost.TotalCost > 0 {

backend/internal/service/user_service.go

@@ -164,6 +164,14 @@ func (s *UserService) UpdateBalance(ctx context.Context, userID int64, amount fl
 	return nil
 }
 
+// UpdateConcurrency 更新用户并发数（管理员功能）
+func (s *UserService) UpdateConcurrency(ctx context.Context, userID int64, concurrency int) error {
+	if err := s.userRepo.UpdateConcurrency(ctx, userID, concurrency); err != nil {
+		return fmt.Errorf("update concurrency: %w", err)
+	}
+	return nil
+}
+
 // UpdateStatus 更新用户状态（管理员功能）
 func (s *UserService) UpdateStatus(ctx context.Context, userID int64, status string) error {
 	user, err := s.userRepo.GetByID(ctx, userID)

deploy/.env.example

@@ -20,6 +20,10 @@ SERVER_PORT=8080
 # Server mode: release or debug
 SERVER_MODE=release
 
+# 运行模式: standard (默认) 或 simple (内部自用)
+# standard: 完整 SaaS 功能，包含计费/余额校验；simple: 隐藏 SaaS 功能并跳过计费/余额校验
+RUN_MODE=standard
+
 # Timezone
 TZ=Asia/Shanghai
 

deploy/config.example.yaml

@@ -13,6 +13,14 @@ server:
   # Mode: "debug" for development, "release" for production
   mode: "release"
 
+# =============================================================================
+# Run Mode Configuration
+# =============================================================================
+# Run mode: "standard" (default) or "simple" (for internal use)
+# - standard: Full SaaS features with billing/balance checks
+# - simple: Hides SaaS features and skips billing/balance checks
+run_mode: "standard"
+
 # =============================================================================
 # Database Configuration (PostgreSQL)
 # =============================================================================

deploy/docker-compose.yml

@@ -36,6 +36,7 @@ services:
       - SERVER_HOST=0.0.0.0
       - SERVER_PORT=8080
       - SERVER_MODE=${SERVER_MODE:-release}
+      - RUN_MODE=${RUN_MODE:-standard}
 
       # =======================================================================
       # Database Configuration (PostgreSQL)

frontend/src/App.vue

@@ -2,12 +2,14 @@
 import { RouterView, useRouter, useRoute } from 'vue-router'
 import { onMounted, watch } from 'vue'
 import Toast from '@/components/common/Toast.vue'
-import { useAppStore } from '@/stores'
+import { useAppStore, useAuthStore, useSubscriptionStore } from '@/stores'
 import { getSetupStatus } from '@/api/setup'
 
 const router = useRouter()
 const route = useRoute()
 const appStore = useAppStore()
+const authStore = useAuthStore()
+const subscriptionStore = useSubscriptionStore()
 
 /**
  * Update favicon dynamically
@@ -46,6 +48,24 @@ watch(
   { immediate: true }
 )
 
+// Watch for authentication state and manage subscription data
+watch(
+  () => authStore.isAuthenticated,
+  (isAuthenticated) => {
+    if (isAuthenticated) {
+      // User logged in: preload subscriptions and start polling
+      subscriptionStore.fetchActiveSubscriptions().catch((error) => {
+        console.error('Failed to preload subscriptions:', error)
+      })
+      subscriptionStore.startPolling()
+    } else {
+      // User logged out: clear data and stop polling
+      subscriptionStore.clear()
+    }
+  },
+  { immediate: true }
+)
+
 onMounted(async () => {
   // Check if setup is needed
   try {

frontend/src/api/admin/accounts.ts

@@ -30,6 +30,9 @@ export async function list(
     type?: string
     status?: string
     search?: string
+  },
+  options?: {
+    signal?: AbortSignal
   }
 ): Promise<PaginatedResponse<Account>> {
   const { data } = await apiClient.get<PaginatedResponse<Account>>('/admin/accounts', {
@@ -37,7 +40,8 @@ export async function list(
       page,
       page_size: pageSize,
       ...filters
-    }
+    },
+    signal: options?.signal
   })
   return data
 }

frontend/src/api/admin/groups.ts

@@ -26,6 +26,9 @@ export async function list(
     platform?: GroupPlatform
     status?: 'active' | 'inactive'
     is_exclusive?: boolean
+  },
+  options?: {
+    signal?: AbortSignal
   }
 ): Promise<PaginatedResponse<Group>> {
   const { data } = await apiClient.get<PaginatedResponse<Group>>('/admin/groups', {
@@ -33,7 +36,8 @@ export async function list(
       page,
       page_size: pageSize,
       ...filters
-    }
+    },
+    signal: options?.signal
   })
   return data
 }

frontend/src/api/admin/proxies.ts

@@ -20,6 +20,9 @@ export async function list(
     protocol?: string
     status?: 'active' | 'inactive'
     search?: string
+  },
+  options?: {
+    signal?: AbortSignal
   }
 ): Promise<PaginatedResponse<Proxy>> {
   const { data } = await apiClient.get<PaginatedResponse<Proxy>>('/admin/proxies', {
@@ -27,7 +30,8 @@ export async function list(
       page,
       page_size: pageSize,
       ...filters
-    }
+    },
+    signal: options?.signal
   })
   return data
 }

frontend/src/api/admin/redeem.ts

@@ -25,6 +25,9 @@ export async function list(
     type?: RedeemCodeType
     status?: 'active' | 'used' | 'expired' | 'unused'
     search?: string
+  },
+  options?: {
+    signal?: AbortSignal
   }
 ): Promise<PaginatedResponse<RedeemCode>> {
   const { data } = await apiClient.get<PaginatedResponse<RedeemCode>>('/admin/redeem-codes', {
@@ -32,7 +35,8 @@ export async function list(
       page,
       page_size: pageSize,
       ...filters
-    }
+    },
+    signal: options?.signal
   })
   return data
 }

frontend/src/api/admin/subscriptions.ts

@@ -27,6 +27,9 @@ export async function list(
     status?: 'active' | 'expired' | 'revoked'
     user_id?: number
     group_id?: number
+  },
+  options?: {
+    signal?: AbortSignal
   }
 ): Promise<PaginatedResponse<UserSubscription>> {
   const { data } = await apiClient.get<PaginatedResponse<UserSubscription>>(
@@ -36,7 +39,8 @@ export async function list(
         page,
         page_size: pageSize,
         ...filters
-      }
+      },
+      signal: options?.signal
     }
   )
   return data

frontend/src/api/admin/usage.ts

@@ -41,9 +41,13 @@ export interface AdminUsageQueryParams extends UsageQueryParams {
  * @param params - Query parameters for filtering and pagination
  * @returns Paginated list of usage logs
  */
-export async function list(params: AdminUsageQueryParams): Promise<PaginatedResponse<UsageLog>> {
+export async function list(
+  params: AdminUsageQueryParams,
+  options?: { signal?: AbortSignal }
+): Promise<PaginatedResponse<UsageLog>> {
   const { data } = await apiClient.get<PaginatedResponse<UsageLog>>('/admin/usage', {
-    params
+    params,
+    signal: options?.signal
   })
   return data
 }

frontend/src/api/admin/users.ts

@@ -11,6 +11,7 @@ import type { User, UpdateUserRequest, PaginatedResponse } from '@/types'
  * @param page - Page number (default: 1)
  * @param pageSize - Items per page (default: 20)
  * @param filters - Optional filters (status, role, search)
+ * @param options - Optional request options (signal)
  * @returns Paginated list of users
  */
 export async function list(
@@ -20,6 +21,9 @@ export async function list(
     status?: 'active' | 'disabled'
     role?: 'admin' | 'user'
     search?: string
+  },
+  options?: {
+    signal?: AbortSignal
   }
 ): Promise<PaginatedResponse<User>> {
   const { data } = await apiClient.get<PaginatedResponse<User>>('/admin/users', {
@@ -27,7 +31,8 @@ export async function list(
       page,
       page_size: pageSize,
       ...filters
-    }
+    },
+    signal: options?.signal
   })
   return data
 }

frontend/src/api/auth.ts

@@ -8,7 +8,7 @@ import type {
   LoginRequest,
   RegisterRequest,
   AuthResponse,
-  User,
+  CurrentUserResponse,
   SendVerifyCodeRequest,
   SendVerifyCodeResponse,
   PublicSettings
@@ -70,9 +70,8 @@ export async function register(userData: RegisterRequest): Promise<AuthResponse>
  * Get current authenticated user
  * @returns User profile data
  */
-export async function getCurrentUser(): Promise<User> {
+export async function getCurrentUser() {
-  const { data } = await apiClient.get<User>('/auth/me')
+  return apiClient.get<CurrentUserResponse>('/auth/me')
-  return data
 }
 
 /**

frontend/src/api/keys.ts

@@ -10,14 +10,19 @@ import type { ApiKey, CreateApiKeyRequest, UpdateApiKeyRequest, PaginatedRespons
  * List all API keys for current user
  * @param page - Page number (default: 1)
  * @param pageSize - Items per page (default: 10)
+ * @param options - Optional request options
  * @returns Paginated list of API keys
  */
 export async function list(
   page: number = 1,
-  pageSize: number = 10
+  pageSize: number = 10,
+  options?: {
+    signal?: AbortSignal
+  }
 ): Promise<PaginatedResponse<ApiKey>> {
   const { data } = await apiClient.get<PaginatedResponse<ApiKey>>('/keys', {
-    params: { page, page_size: pageSize }
+    params: { page, page_size: pageSize },
+    signal: options?.signal
   })
   return data
 }

frontend/src/api/usage.ts

@@ -90,8 +90,12 @@ export async function list(
  * @param params - Query parameters for filtering and pagination
  * @returns Paginated list of usage logs
  */
-export async function query(params: UsageQueryParams): Promise<PaginatedResponse<UsageLog>> {
+export async function query(
+  params: UsageQueryParams,
+  config: { signal?: AbortSignal } = {}
+): Promise<PaginatedResponse<UsageLog>> {
   const { data } = await apiClient.get<PaginatedResponse<UsageLog>>('/usage', {
+    ...config,
     params
   })
   return data
@@ -232,15 +236,22 @@ export interface BatchApiKeysUsageResponse {
 /**
  * Get batch usage stats for user's own API keys
  * @param apiKeyIds - Array of API key IDs
+ * @param options - Optional request options
  * @returns Usage stats map keyed by API key ID
  */
 export async function getDashboardApiKeysUsage(
-  apiKeyIds: number[]
+  apiKeyIds: number[],
+  options?: {
+    signal?: AbortSignal
+  }
 ): Promise<BatchApiKeysUsageResponse> {
   const { data } = await apiClient.post<BatchApiKeysUsageResponse>(
     '/usage/dashboard/api-keys-usage',
     {
       api_key_ids: apiKeyIds
+    },
+    {
+      signal: options?.signal
     }
   )
   return data

frontend/src/components/account/AccountStatsModal.vue

@@ -1,5 +1,10 @@
 <template>
-  <Modal :show="show" :title="t('admin.accounts.usageStatistics')" size="2xl" @close="handleClose">
+  <BaseDialog
+    :show="show"
+    :title="t('admin.accounts.usageStatistics')"
+    width="extra-wide"
+    @close="handleClose"
+  >
     <div class="space-y-6">
       <!-- Account Info Header -->
       <div
@@ -521,7 +526,7 @@
         </button>
       </div>
     </template>
-  </Modal>
+  </BaseDialog>
 </template>
 
 <script setup lang="ts">
@@ -539,7 +544,7 @@ import {
   Filler
 } from 'chart.js'
 import { Line } from 'vue-chartjs'
-import Modal from '@/components/common/Modal.vue'
+import BaseDialog from '@/components/common/BaseDialog.vue'
 import LoadingSpinner from '@/components/common/LoadingSpinner.vue'
 import ModelDistributionChart from '@/components/charts/ModelDistributionChart.vue'
 import { adminAPI } from '@/api/admin'

frontend/src/components/account/AccountTestModal.vue

@@ -1,8 +1,8 @@
 <template>
-  <Modal
+  <BaseDialog
     :show="show"
     :title="t('admin.accounts.testAccountConnection')"
-    size="md"
+    width="normal"
     @close="handleClose"
   >
     <div class="space-y-4">
@@ -273,13 +273,13 @@
         </button>
       </div>
     </template>
-  </Modal>
+  </BaseDialog>
 </template>
 
 <script setup lang="ts">
 import { ref, watch, nextTick } from 'vue'
 import { useI18n } from 'vue-i18n'
-import Modal from '@/components/common/Modal.vue'
+import BaseDialog from '@/components/common/BaseDialog.vue'
 import { useClipboard } from '@/composables/useClipboard'
 import { adminAPI } from '@/api/admin'
 import type { Account, ClaudeModel } from '@/types'

frontend/src/components/account/BulkEditAccountModal.vue

@@ -1,6 +1,11 @@
 <template>
-  <Modal :show="show" :title="t('admin.accounts.bulkEdit.title')" size="lg" @close="handleClose">
+  <BaseDialog
-    <form class="space-y-5" @submit.prevent="handleSubmit">
+    :show="show"
+    :title="t('admin.accounts.bulkEdit.title')"
+    width="wide"
+    @close="handleClose"
+  >
+    <form id="bulk-edit-account-form" class="space-y-5" @submit.prevent="handleSubmit">
       <!-- Info -->
       <div class="rounded-lg bg-blue-50 p-4 dark:bg-blue-900/20">
         <p class="text-sm text-blue-700 dark:text-blue-400">
@@ -19,20 +24,30 @@
       <!-- Base URL (API Key only) -->
       <div class="border-t border-gray-200 pt-4 dark:border-dark-600">
         <div class="mb-3 flex items-center justify-between">
-          <label class="input-label mb-0">{{ t('admin.accounts.baseUrl') }}</label>
+          <label
+            id="bulk-edit-base-url-label"
+            class="input-label mb-0"
+            for="bulk-edit-base-url-enabled"
+          >
+            {{ t('admin.accounts.baseUrl') }}
+          </label>
           <input
             v-model="enableBaseUrl"
+            id="bulk-edit-base-url-enabled"
             type="checkbox"
+            aria-controls="bulk-edit-base-url"
             class="rounded border-gray-300 text-primary-600 focus:ring-primary-500"
           />
         </div>
         <input
           v-model="baseUrl"
+          id="bulk-edit-base-url"
           type="text"
           :disabled="!enableBaseUrl"
           class="input"
           :class="!enableBaseUrl && 'cursor-not-allowed opacity-50'"
           :placeholder="t('admin.accounts.bulkEdit.baseUrlPlaceholder')"
+          aria-labelledby="bulk-edit-base-url-label"
         />
         <p class="input-hint">
           {{ t('admin.accounts.bulkEdit.baseUrlNotice') }}
@@ -42,15 +57,28 @@
       <!-- Model restriction -->
       <div class="border-t border-gray-200 pt-4 dark:border-dark-600">
         <div class="mb-3 flex items-center justify-between">
-          <label class="input-label mb-0">{{ t('admin.accounts.modelRestriction') }}</label>
+          <label
+            id="bulk-edit-model-restriction-label"
+            class="input-label mb-0"
+            for="bulk-edit-model-restriction-enabled"
+          >
+            {{ t('admin.accounts.modelRestriction') }}
+          </label>
           <input
             v-model="enableModelRestriction"
+            id="bulk-edit-model-restriction-enabled"
             type="checkbox"
+            aria-controls="bulk-edit-model-restriction-body"
             class="rounded border-gray-300 text-primary-600 focus:ring-primary-500"
           />
         </div>
 
-        <div :class="!enableModelRestriction && 'pointer-events-none opacity-50'">
+        <div
+          id="bulk-edit-model-restriction-body"
+          :class="!enableModelRestriction && 'pointer-events-none opacity-50'"
+          role="group"
+          aria-labelledby="bulk-edit-model-restriction-label"
+        >
           <!-- Mode Toggle -->
           <div class="mb-4 flex gap-2">
             <button
@@ -267,19 +295,27 @@
       <div class="border-t border-gray-200 pt-4 dark:border-dark-600">
         <div class="mb-3 flex items-center justify-between">
           <div>
-            <label class="input-label mb-0">{{ t('admin.accounts.customErrorCodes') }}</label>
+            <label
+              id="bulk-edit-custom-error-codes-label"
+              class="input-label mb-0"
+              for="bulk-edit-custom-error-codes-enabled"
+            >
+              {{ t('admin.accounts.customErrorCodes') }}
+            </label>
             <p class="mt-1 text-xs text-gray-500 dark:text-gray-400">
               {{ t('admin.accounts.customErrorCodesHint') }}
             </p>
           </div>
           <input
             v-model="enableCustomErrorCodes"
+            id="bulk-edit-custom-error-codes-enabled"
             type="checkbox"
+            aria-controls="bulk-edit-custom-error-codes-body"
             class="rounded border-gray-300 text-primary-600 focus:ring-primary-500"
           />
         </div>
 
-        <div v-if="enableCustomErrorCodes" class="space-y-3">
+        <div v-if="enableCustomErrorCodes" id="bulk-edit-custom-error-codes-body" class="space-y-3">
           <div class="rounded-lg bg-amber-50 p-3 dark:bg-amber-900/20">
             <p class="text-xs text-amber-700 dark:text-amber-400">
               <svg
@@ -321,11 +357,13 @@
           <div class="flex items-center gap-2">
             <input
               v-model="customErrorCodeInput"
+              id="bulk-edit-custom-error-code-input"
               type="number"
               min="100"
               max="599"
               class="input flex-1"
               :placeholder="t('admin.accounts.enterErrorCode')"
+              aria-labelledby="bulk-edit-custom-error-codes-label"
               @keyup.enter="addCustomErrorCode"
             />
             <button type="button" class="btn btn-secondary px-3" @click="addCustomErrorCode">
@@ -374,20 +412,26 @@
       <div class="border-t border-gray-200 pt-4 dark:border-dark-600">
         <div class="flex items-center justify-between">
           <div class="flex-1 pr-4">
-            <label class="input-label mb-0">{{
+            <label
-              t('admin.accounts.interceptWarmupRequests')
+              id="bulk-edit-intercept-warmup-label"
-            }}</label>
+              class="input-label mb-0"
+              for="bulk-edit-intercept-warmup-enabled"
+            >
+              {{ t('admin.accounts.interceptWarmupRequests') }}
+            </label>
             <p class="mt-1 text-xs text-gray-500 dark:text-gray-400">
               {{ t('admin.accounts.interceptWarmupRequestsDesc') }}
             </p>
           </div>
           <input
             v-model="enableInterceptWarmup"
+            id="bulk-edit-intercept-warmup-enabled"
             type="checkbox"
+            aria-controls="bulk-edit-intercept-warmup-body"
             class="rounded border-gray-300 text-primary-600 focus:ring-primary-500"
           />
         </div>
-        <div v-if="enableInterceptWarmup" class="mt-3">
+        <div v-if="enableInterceptWarmup" id="bulk-edit-intercept-warmup-body" class="mt-3">
           <button
             type="button"
             :class="[
@@ -409,15 +453,27 @@
       <!-- Proxy -->
       <div class="border-t border-gray-200 pt-4 dark:border-dark-600">
         <div class="mb-3 flex items-center justify-between">
-          <label class="input-label mb-0">{{ t('admin.accounts.proxy') }}</label>
+          <label
+            id="bulk-edit-proxy-label"
+            class="input-label mb-0"
+            for="bulk-edit-proxy-enabled"
+          >
+            {{ t('admin.accounts.proxy') }}
+          </label>
           <input
             v-model="enableProxy"
+            id="bulk-edit-proxy-enabled"
             type="checkbox"
+            aria-controls="bulk-edit-proxy-body"
             class="rounded border-gray-300 text-primary-600 focus:ring-primary-500"
           />
         </div>
-        <div :class="!enableProxy && 'pointer-events-none opacity-50'">
+        <div id="bulk-edit-proxy-body" :class="!enableProxy && 'pointer-events-none opacity-50'">
-          <ProxySelector v-model="proxyId" :proxies="proxies" />
+          <ProxySelector
+            v-model="proxyId"
+            :proxies="proxies"
+            aria-labelledby="bulk-edit-proxy-label"
+          />
         </div>
       </div>
 
@@ -425,38 +481,58 @@
       <div class="grid grid-cols-2 gap-4 border-t border-gray-200 pt-4 dark:border-dark-600">
         <div>
           <div class="mb-3 flex items-center justify-between">
-            <label class="input-label mb-0">{{ t('admin.accounts.concurrency') }}</label>
+            <label
+              id="bulk-edit-concurrency-label"
+              class="input-label mb-0"
+              for="bulk-edit-concurrency-enabled"
+            >
+              {{ t('admin.accounts.concurrency') }}
+            </label>
             <input
               v-model="enableConcurrency"
+              id="bulk-edit-concurrency-enabled"
               type="checkbox"
+              aria-controls="bulk-edit-concurrency"
               class="rounded border-gray-300 text-primary-600 focus:ring-primary-500"
             />
           </div>
           <input
             v-model.number="concurrency"
+            id="bulk-edit-concurrency"
             type="number"
             min="1"
             :disabled="!enableConcurrency"
             class="input"
             :class="!enableConcurrency && 'cursor-not-allowed opacity-50'"
+            aria-labelledby="bulk-edit-concurrency-label"
           />
         </div>
         <div>
           <div class="mb-3 flex items-center justify-between">
-            <label class="input-label mb-0">{{ t('admin.accounts.priority') }}</label>
+            <label
+              id="bulk-edit-priority-label"
+              class="input-label mb-0"
+              for="bulk-edit-priority-enabled"
+            >
+              {{ t('admin.accounts.priority') }}
+            </label>
             <input
               v-model="enablePriority"
+              id="bulk-edit-priority-enabled"
               type="checkbox"
+              aria-controls="bulk-edit-priority"
               class="rounded border-gray-300 text-primary-600 focus:ring-primary-500"
             />
           </div>
           <input
             v-model.number="priority"
+            id="bulk-edit-priority"
             type="number"
             min="1"
             :disabled="!enablePriority"
             class="input"
             :class="!enablePriority && 'cursor-not-allowed opacity-50'"
+            aria-labelledby="bulk-edit-priority-label"
           />
         </div>
       </div>
@@ -464,39 +540,69 @@
       <!-- Status -->
       <div class="border-t border-gray-200 pt-4 dark:border-dark-600">
         <div class="mb-3 flex items-center justify-between">
-          <label class="input-label mb-0">{{ t('common.status') }}</label>
+          <label
+            id="bulk-edit-status-label"
+            class="input-label mb-0"
+            for="bulk-edit-status-enabled"
+          >
+            {{ t('common.status') }}
+          </label>
           <input
             v-model="enableStatus"
+            id="bulk-edit-status-enabled"
             type="checkbox"
+            aria-controls="bulk-edit-status"
             class="rounded border-gray-300 text-primary-600 focus:ring-primary-500"
           />
         </div>
-        <div :class="!enableStatus && 'pointer-events-none opacity-50'">
+        <div id="bulk-edit-status" :class="!enableStatus && 'pointer-events-none opacity-50'">
-          <Select v-model="status" :options="statusOptions" />
+          <Select
+            v-model="status"
+            :options="statusOptions"
+            aria-labelledby="bulk-edit-status-label"
+          />
         </div>
       </div>
 
       <!-- Groups -->
       <div class="border-t border-gray-200 pt-4 dark:border-dark-600">
         <div class="mb-3 flex items-center justify-between">
-          <label class="input-label mb-0">{{ t('nav.groups') }}</label>
+          <label
+            id="bulk-edit-groups-label"
+            class="input-label mb-0"
+            for="bulk-edit-groups-enabled"
+          >
+            {{ t('nav.groups') }}
+          </label>
           <input
             v-model="enableGroups"
+            id="bulk-edit-groups-enabled"
             type="checkbox"
+            aria-controls="bulk-edit-groups"
             class="rounded border-gray-300 text-primary-600 focus:ring-primary-500"
           />
         </div>
-        <div :class="!enableGroups && 'pointer-events-none opacity-50'">
+        <div id="bulk-edit-groups" :class="!enableGroups && 'pointer-events-none opacity-50'">
-          <GroupSelector v-model="groupIds" :groups="groups" />
+          <GroupSelector
+            v-model="groupIds"
+            :groups="groups"
+            aria-labelledby="bulk-edit-groups-label"
+          />
         </div>
       </div>
+    </form>
 
-      <!-- Action buttons -->
+    <template #footer>
-      <div class="flex justify-end gap-3 pt-4">
+      <div class="flex justify-end gap-3">
         <button type="button" class="btn btn-secondary" @click="handleClose">
           {{ t('common.cancel') }}
         </button>
-        <button type="submit" :disabled="submitting" class="btn btn-primary">
+        <button
+          type="submit"
+          form="bulk-edit-account-form"
+          :disabled="submitting"
+          class="btn btn-primary"
+        >
           <svg
             v-if="submitting"
             class="-ml-1 mr-2 h-4 w-4 animate-spin"
@@ -522,8 +628,8 @@
           }}
         </button>
       </div>
-    </form>
+    </template>
-  </Modal>
+  </BaseDialog>
 </template>
 
 <script setup lang="ts">
@@ -532,7 +638,7 @@ import { useI18n } from 'vue-i18n'
 import { useAppStore } from '@/stores/app'
 import { adminAPI } from '@/api/admin'
 import type { Proxy, Group } from '@/types'
-import Modal from '@/components/common/Modal.vue'
+import BaseDialog from '@/components/common/BaseDialog.vue'
 import Select from '@/components/common/Select.vue'
 import ProxySelector from '@/components/common/ProxySelector.vue'
 import GroupSelector from '@/components/common/GroupSelector.vue'

frontend/src/components/account/CreateAccountModal.vue

@@ -1,5 +1,10 @@
 <template>
-  <Modal :show="show" :title="t('admin.accounts.createAccount')" size="xl" @close="handleClose">
+  <BaseDialog
+    :show="show"
+    :title="t('admin.accounts.createAccount')"
+    width="wide"
+    @close="handleClose"
+  >
     <!-- Step Indicator for OAuth accounts -->
     <div v-if="isOAuthFlow" class="mb-6 flex items-center justify-center">
       <div class="flex items-center space-x-4">
@@ -34,7 +39,12 @@
     </div>
 
     <!-- Step 1: Basic Info -->
-    <form v-if="step === 1" @submit.prevent="handleSubmit" class="space-y-5">
+    <form
+      v-if="step === 1"
+      id="create-account-form"
+      @submit.prevent="handleSubmit"
+      class="space-y-5"
+    >
       <div>
         <label class="input-label">{{ t('admin.accounts.accountName') }}</label>
         <input
@@ -520,7 +530,7 @@
                   : 'https://api.anthropic.com'
             "
           />
-          <p class="input-hint">{{ t('admin.accounts.baseUrlHint') }}</p>
+          <p class="input-hint">{{ baseUrlHint }}</p>
         </div>
         <div>
           <label class="input-label">{{ t('admin.accounts.apiKeyRequired') }}</label>
@@ -537,13 +547,7 @@
                   : 'sk-ant-...'
             "
           />
-          <p class="input-hint">
+          <p class="input-hint">{{ apiKeyHint }}</p>
-            {{
-              form.platform === 'gemini'
-                ? t('admin.accounts.gemini.apiKeyHint')
-                : t('admin.accounts.apiKeyHint')
-            }}
-          </p>
         </div>
 
         <!-- Model Restriction Section (不适用于 Gemini) -->
@@ -960,14 +964,48 @@
         </div>
       </div>
 
-      <!-- Group Selection -->
+      <!-- Group Selection - 仅标准模式显示 -->
-      <GroupSelector v-model="form.group_ids" :groups="groups" :platform="form.platform" />
+      <GroupSelector
+        v-if="!authStore.isSimpleMode"
+        v-model="form.group_ids"
+        :groups="groups"
+        :platform="form.platform"
+      />
 
-      <div class="flex justify-end gap-3 pt-4">
+    </form>
+
+    <!-- Step 2: OAuth Authorization -->
+    <div v-else class="space-y-5">
+      <OAuthAuthorizationFlow
+        ref="oauthFlowRef"
+        :add-method="form.platform === 'anthropic' ? addMethod : 'oauth'"
+        :auth-url="currentAuthUrl"
+        :session-id="currentSessionId"
+        :loading="currentOAuthLoading"
+        :error="currentOAuthError"
+        :show-help="form.platform === 'anthropic'"
+        :show-proxy-warning="form.platform !== 'openai' && !!form.proxy_id"
+        :allow-multiple="form.platform === 'anthropic'"
+        :show-cookie-option="form.platform === 'anthropic'"
+        :platform="form.platform"
+        :show-project-id="geminiOAuthType === 'code_assist'"
+        @generate-url="handleGenerateUrl"
+        @cookie-auth="handleCookieAuth"
+      />
+
+    </div>
+
+    <template #footer>
+      <div v-if="step === 1" class="flex justify-end gap-3">
         <button @click="handleClose" type="button" class="btn btn-secondary">
           {{ t('common.cancel') }}
         </button>
-        <button type="submit" :disabled="submitting" class="btn btn-primary">
+        <button
+          type="submit"
+          form="create-account-form"
+          :disabled="submitting"
+          class="btn btn-primary"
+        >
           <svg
             v-if="submitting"
             class="-ml-1 mr-2 h-4 w-4 animate-spin"
@@ -997,28 +1035,7 @@
           }}
         </button>
       </div>
-    </form>
+      <div v-else class="flex justify-between gap-3">
-
-    <!-- Step 2: OAuth Authorization -->
-    <div v-else class="space-y-5">
-      <OAuthAuthorizationFlow
-        ref="oauthFlowRef"
-        :add-method="form.platform === 'anthropic' ? addMethod : 'oauth'"
-        :auth-url="currentAuthUrl"
-        :session-id="currentSessionId"
-        :loading="currentOAuthLoading"
-        :error="currentOAuthError"
-        :show-help="form.platform === 'anthropic'"
-        :show-proxy-warning="form.platform !== 'openai' && !!form.proxy_id"
-        :allow-multiple="form.platform === 'anthropic'"
-        :show-cookie-option="form.platform === 'anthropic'"
-        :platform="form.platform"
-        :show-project-id="geminiOAuthType === 'code_assist'"
-        @generate-url="handleGenerateUrl"
-        @cookie-auth="handleCookieAuth"
-      />
-
-      <div class="flex justify-between gap-3 pt-4">
         <button type="button" class="btn btn-secondary" @click="goBackToBasicInfo">
           {{ t('common.back') }}
         </button>
@@ -1056,14 +1073,15 @@
           }}
         </button>
       </div>
-    </div>
+    </template>
-  </Modal>
+  </BaseDialog>
 </template>
 
 <script setup lang="ts">
 import { ref, reactive, computed, watch } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { useAppStore } from '@/stores/app'
+import { useAuthStore } from '@/stores/auth'
 import { adminAPI } from '@/api/admin'
 import {
   useAccountOAuth,
@@ -1073,7 +1091,7 @@ import {
 import { useOpenAIOAuth } from '@/composables/useOpenAIOAuth'
 import { useGeminiOAuth } from '@/composables/useGeminiOAuth'
 import type { Proxy, Group, AccountPlatform, AccountType } from '@/types'
-import Modal from '@/components/common/Modal.vue'
+import BaseDialog from '@/components/common/BaseDialog.vue'
 import ProxySelector from '@/components/common/ProxySelector.vue'
 import GroupSelector from '@/components/common/GroupSelector.vue'
 import OAuthAuthorizationFlow from './OAuthAuthorizationFlow.vue'
@@ -1090,6 +1108,7 @@ interface OAuthFlowExposed {
 }
 
 const { t } = useI18n()
+const authStore = useAuthStore()
 
 const oauthStepTitle = computed(() => {
   if (form.platform === 'openai') return t('admin.accounts.oauth.openai.title')
@@ -1097,6 +1116,19 @@ const oauthStepTitle = computed(() => {
   return t('admin.accounts.oauth.title')
 })
 
+// Platform-specific hints for API Key type
+const baseUrlHint = computed(() => {
+  if (form.platform === 'openai') return t('admin.accounts.openai.baseUrlHint')
+  if (form.platform === 'gemini') return t('admin.accounts.gemini.baseUrlHint')
+  return t('admin.accounts.baseUrlHint')
+})
+
+const apiKeyHint = computed(() => {
+  if (form.platform === 'openai') return t('admin.accounts.openai.apiKeyHint')
+  if (form.platform === 'gemini') return t('admin.accounts.gemini.apiKeyHint')
+  return t('admin.accounts.apiKeyHint')
+})
+
 interface Props {
   show: boolean
   proxies: Proxy[]

frontend/src/components/account/EditAccountModal.vue

@@ -1,6 +1,16 @@
 <template>
-  <Modal :show="show" :title="t('admin.accounts.editAccount')" size="xl" @close="handleClose">
+  <BaseDialog
-    <form v-if="account" @submit.prevent="handleSubmit" class="space-y-5">
+    :show="show"
+    :title="t('admin.accounts.editAccount')"
+    width="wide"
+    @close="handleClose"
+  >
+    <form
+      v-if="account"
+      id="edit-account-form"
+      @submit.prevent="handleSubmit"
+      class="space-y-5"
+    >
       <div>
         <label class="input-label">{{ t('common.name') }}</label>
         <input v-model="form.name" type="text" required class="input" />
@@ -22,7 +32,7 @@
                   : 'https://api.anthropic.com'
             "
           />
-          <p class="input-hint">{{ t('admin.accounts.baseUrlHint') }}</p>
+          <p class="input-hint">{{ baseUrlHint }}</p>
         </div>
         <div>
           <label class="input-label">{{ t('admin.accounts.apiKey') }}</label>
@@ -456,14 +466,27 @@
         <Select v-model="form.status" :options="statusOptions" />
       </div>
 
-      <!-- Group Selection -->
+      <!-- Group Selection - 仅标准模式显示 -->
-      <GroupSelector v-model="form.group_ids" :groups="groups" :platform="account?.platform" />
+      <GroupSelector
+        v-if="!authStore.isSimpleMode"
+        v-model="form.group_ids"
+        :groups="groups"
+        :platform="account?.platform"
+      />
 
-      <div class="flex justify-end gap-3 pt-4">
+    </form>
+
+    <template #footer>
+      <div v-if="account" class="flex justify-end gap-3">
         <button @click="handleClose" type="button" class="btn btn-secondary">
           {{ t('common.cancel') }}
         </button>
-        <button type="submit" :disabled="submitting" class="btn btn-primary">
+        <button
+          type="submit"
+          form="edit-account-form"
+          :disabled="submitting"
+          class="btn btn-primary"
+        >
           <svg
             v-if="submitting"
             class="-ml-1 mr-2 h-4 w-4 animate-spin"
@@ -487,17 +510,18 @@
           {{ submitting ? t('admin.accounts.updating') : t('common.update') }}
         </button>
       </div>
-    </form>
+    </template>
-  </Modal>
+  </BaseDialog>
 </template>
 
 <script setup lang="ts">
 import { ref, reactive, computed, watch } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { useAppStore } from '@/stores/app'
+import { useAuthStore } from '@/stores/auth'
 import { adminAPI } from '@/api/admin'
 import type { Account, Proxy, Group } from '@/types'
-import Modal from '@/components/common/Modal.vue'
+import BaseDialog from '@/components/common/BaseDialog.vue'
 import Select from '@/components/common/Select.vue'
 import ProxySelector from '@/components/common/ProxySelector.vue'
 import GroupSelector from '@/components/common/GroupSelector.vue'
@@ -517,6 +541,15 @@ const emit = defineEmits<{
 
 const { t } = useI18n()
 const appStore = useAppStore()
+const authStore = useAuthStore()
+
+// Platform-specific hint for Base URL
+const baseUrlHint = computed(() => {
+  if (!props.account) return t('admin.accounts.baseUrlHint')
+  if (props.account.platform === 'openai') return t('admin.accounts.openai.baseUrlHint')
+  if (props.account.platform === 'gemini') return t('admin.accounts.gemini.baseUrlHint')
+  return t('admin.accounts.baseUrlHint')
+})
 
 // Model mapping type
 interface ModelMapping {

frontend/src/components/account/OAuthAuthorizationFlow.vue

@@ -1,6 +1,6 @@
 <template>
   <div
-    class="rounded-lg border border-blue-200 bg-blue-50 p-6 dark:border-blue-700 dark:bg-blue-900/30"
+    class="rounded-lg border border-blue-200 bg-blue-50 p-4 dark:border-blue-700 dark:bg-blue-900/30"
   >
     <div class="flex items-start gap-4">
       <div class="flex h-10 w-10 flex-shrink-0 items-center justify-center rounded-lg bg-blue-500">

frontend/src/components/account/ReAuthAccountModal.vue

@@ -1,11 +1,11 @@
 <template>
-  <Modal
+  <BaseDialog
     :show="show"
     :title="t('admin.accounts.reAuthorizeAccount')"
-    size="lg"
+    width="wide"
     @close="handleClose"
   >
-    <div v-if="account" class="space-y-5">
+    <div v-if="account" class="space-y-4">
       <!-- Account Info -->
       <div
         class="rounded-lg border border-gray-200 bg-gray-50 p-4 dark:border-dark-600 dark:bg-dark-700"
@@ -53,8 +53,8 @@
       </div>
 
       <!-- Add Method Selection (Claude only) -->
-      <div v-if="isAnthropic">
+      <fieldset v-if="isAnthropic" class="border-0 p-0">
-        <label class="input-label">{{ t('admin.accounts.oauth.authMethod') }}</label>
+        <legend class="input-label">{{ t('admin.accounts.oauth.authMethod') }}</legend>
         <div class="mt-2 flex gap-4">
           <label class="flex cursor-pointer items-center">
             <input
@@ -79,11 +79,11 @@
             }}</span>
           </label>
         </div>
-      </div>
+      </fieldset>
 
       <!-- Gemini OAuth Type Selection -->
-      <div v-if="isGemini">
+      <fieldset v-if="isGemini" class="border-0 p-0">
-        <label class="input-label">{{ t('admin.accounts.oauth.gemini.oauthTypeLabel') }}</label>
+        <legend class="input-label">{{ t('admin.accounts.oauth.gemini.oauthTypeLabel') }}</legend>
         <div class="mt-2 grid grid-cols-2 gap-3">
           <button
             type="button"
@@ -187,7 +187,7 @@
             </div>
           </button>
         </div>
-      </div>
+      </fieldset>
 
       <OAuthAuthorizationFlow
         ref="oauthFlowRef"
@@ -207,7 +207,10 @@
         @cookie-auth="handleCookieAuth"
       />
 
-      <div class="flex justify-between gap-3 pt-4">
+    </div>
+
+    <template #footer>
+      <div v-if="account" class="flex justify-between gap-3">
         <button type="button" class="btn btn-secondary" @click="handleClose">
           {{ t('common.cancel') }}
         </button>
@@ -245,8 +248,8 @@
           }}
         </button>
       </div>
-    </div>
+    </template>
-  </Modal>
+  </BaseDialog>
 </template>
 
 <script setup lang="ts">
@@ -262,7 +265,7 @@ import {
 import { useOpenAIOAuth } from '@/composables/useOpenAIOAuth'
 import { useGeminiOAuth } from '@/composables/useGeminiOAuth'
 import type { Account } from '@/types'
-import Modal from '@/components/common/Modal.vue'
+import BaseDialog from '@/components/common/BaseDialog.vue'
 import OAuthAuthorizationFlow from './OAuthAuthorizationFlow.vue'
 
 // Type for exposed OAuthAuthorizationFlow component

frontend/src/components/account/SyncFromCrsModal.vue

@@ -1,12 +1,12 @@
 <template>
-  <Modal
+  <BaseDialog
     :show="show"
     :title="t('admin.accounts.syncFromCrsTitle')"
-    size="lg"
+    width="normal"
     close-on-click-outside
     @close="handleClose"
   >
-    <div class="space-y-4">
+    <form id="sync-from-crs-form" class="space-y-4" @submit.prevent="handleSync">
       <div class="text-sm text-gray-600 dark:text-dark-300">
         {{ t('admin.accounts.syncFromCrsDesc') }}
       </div>
@@ -84,25 +84,30 @@
           </div>
         </div>
       </div>
-    </div>
+    </form>
 
     <template #footer>
       <div class="flex justify-end gap-3">
-        <button class="btn btn-secondary" :disabled="syncing" @click="handleClose">
+        <button class="btn btn-secondary" type="button" :disabled="syncing" @click="handleClose">
           {{ t('common.cancel') }}
         </button>
-        <button class="btn btn-primary" :disabled="syncing" @click="handleSync">
+        <button
+          class="btn btn-primary"
+          type="submit"
+          form="sync-from-crs-form"
+          :disabled="syncing"
+        >
           {{ syncing ? t('admin.accounts.syncing') : t('admin.accounts.syncNow') }}
         </button>
       </div>
     </template>
-  </Modal>
+  </BaseDialog>
 </template>
 
 <script setup lang="ts">
 import { computed, reactive, ref, watch } from 'vue'
 import { useI18n } from 'vue-i18n'
-import Modal from '@/components/common/Modal.vue'
+import BaseDialog from '@/components/common/BaseDialog.vue'
 import { useAppStore } from '@/stores/app'
 import { adminAPI } from '@/api/admin'
 

frontend/src/components/common/BaseDialog.vue

@@ -0,0 +1,118 @@
+<template>
+  <Teleport to="body">
+    <div
+      v-if="show"
+      class="modal-overlay"
+      aria-labelledby="modal-title"
+      role="dialog"
+      aria-modal="true"
+      @click.self="handleClose"
+    >
+      <!-- Modal panel -->
+      <div :class="['modal-content', widthClasses]" @click.stop>
+        <!-- Header -->
+        <div class="modal-header">
+          <h3 id="modal-title" class="modal-title">
+            {{ title }}
+          </h3>
+          <button
+            @click="emit('close')"
+            class="-mr-2 rounded-xl p-2 text-gray-400 transition-colors hover:bg-gray-100 hover:text-gray-600 dark:text-dark-500 dark:hover:bg-dark-700 dark:hover:text-dark-300"
+            aria-label="Close modal"
+          >
+            <svg
+              class="h-5 w-5"
+              fill="none"
+              stroke="currentColor"
+              viewBox="0 0 24 24"
+              stroke-width="1.5"
+            >
+              <path stroke-linecap="round" stroke-linejoin="round" d="M6 18L18 6M6 6l12 12" />
+            </svg>
+          </button>
+        </div>
+
+        <!-- Body -->
+        <div class="modal-body">
+          <slot></slot>
+        </div>
+
+        <!-- Footer -->
+        <div v-if="$slots.footer" class="modal-footer">
+          <slot name="footer"></slot>
+        </div>
+      </div>
+    </div>
+  </Teleport>
+</template>
+
+<script setup lang="ts">
+import { computed, watch, onMounted, onUnmounted } from 'vue'
+
+type DialogWidth = 'narrow' | 'normal' | 'wide' | 'extra-wide' | 'full'
+
+interface Props {
+  show: boolean
+  title: string
+  width?: DialogWidth
+  closeOnEscape?: boolean
+  closeOnClickOutside?: boolean
+}
+
+interface Emits {
+  (e: 'close'): void
+}
+
+const props = withDefaults(defineProps<Props>(), {
+  width: 'normal',
+  closeOnEscape: true,
+  closeOnClickOutside: false
+})
+
+const emit = defineEmits<Emits>()
+
+const widthClasses = computed(() => {
+  const widths: Record<DialogWidth, string> = {
+    narrow: 'max-w-md',
+    normal: 'max-w-lg',
+    wide: 'max-w-4xl',
+    'extra-wide': 'max-w-6xl',
+    full: 'max-w-7xl'
+  }
+  return widths[props.width]
+})
+
+const handleClose = () => {
+  if (props.closeOnClickOutside) {
+    emit('close')
+  }
+}
+
+const handleEscape = (event: KeyboardEvent) => {
+  if (props.show && props.closeOnEscape && event.key === 'Escape') {
+    emit('close')
+  }
+}
+
+// Prevent body scroll when modal is open
+watch(
+  () => props.show,
+  (isOpen) => {
+    if (isOpen) {
+      document.body.style.overflow = 'hidden'
+    } else {
+      document.body.style.overflow = ''
+    }
+  },
+  { immediate: true }
+)
+
+onMounted(() => {
+  document.addEventListener('keydown', handleEscape)
+})
+
+onUnmounted(() => {
+  document.removeEventListener('keydown', handleEscape)
+  document.body.style.overflow = ''
+})
+</script>

frontend/src/components/common/ConfirmDialog.vue

@@ -1,5 +1,5 @@
 <template>
-  <Modal :show="show" :title="title" size="sm" @close="handleCancel">
+  <BaseDialog :show="show" :title="title" width="narrow" @close="handleCancel">
     <div class="space-y-4">
       <p class="text-sm text-gray-600 dark:text-gray-400">{{ message }}</p>
     </div>
@@ -27,13 +27,13 @@
         </button>
       </div>
     </template>
-  </Modal>
+  </BaseDialog>
 </template>
 
 <script setup lang="ts">
 import { computed } from 'vue'
 import { useI18n } from 'vue-i18n'
-import Modal from './Modal.vue'
+import BaseDialog from './BaseDialog.vue'
 
 const { t } = useI18n()
 

frontend/src/components/common/DataTable.vue

@@ -24,37 +24,6 @@
           >
             <div class="flex items-center space-x-1">
               <span>{{ column.label }}</span>
-              <!-- 操作列展开/折叠按钮 -->
-              <button
-                v-if="column.key === 'actions' && hasExpandableActions"
-                type="button"
-                @click.stop="toggleActionsExpanded"
-                class="ml-2 flex items-center justify-center rounded p-1 text-gray-500 hover:bg-gray-200 hover:text-gray-700 dark:text-gray-400 dark:hover:bg-dark-600 dark:hover:text-gray-300"
-                :title="actionsExpanded ? t('table.collapseActions') : t('table.expandActions')"
-              >
-                <!-- 展开状态：收起图标 -->
-                <svg
-                  v-if="actionsExpanded"
-                  class="h-4 w-4"
-                  fill="none"
-                  stroke="currentColor"
-                  viewBox="0 0 24 24"
-                  stroke-width="2"
-                >
-                  <path stroke-linecap="round" stroke-linejoin="round" d="M18.75 19.5l-7.5-7.5 7.5-7.5m-6 15L5.25 12l7.5-7.5" />
-                </svg>
-                <!-- 折叠状态：展开图标 -->
-                <svg
-                  v-else
-                  class="h-4 w-4"
-                  fill="none"
-                  stroke="currentColor"
-                  viewBox="0 0 24 24"
-                  stroke-width="2"
-                >
-                  <path stroke-linecap="round" stroke-linejoin="round" d="M11.25 4.5l7.5 7.5-7.5 7.5m-6-15l7.5 7.5-7.5 7.5" />
-                </svg>
-              </button>
               <span v-if="column.sortable" class="text-gray-400 dark:text-dark-500">
                 <svg
                   v-if="sortKey === column.key"
@@ -182,8 +151,8 @@ const checkActionsColumnWidth = () => {
   // 等待DOM更新
   nextTick(() => {
     // 测量所有按钮的总宽度
-    const buttons = actionsContainer.querySelectorAll('button')
+    const actionItems = actionsContainer.querySelectorAll('button, a, [role="button"]')
-    if (buttons.length <= 2) {
+    if (actionItems.length <= 2) {
       actionsColumnNeedsExpanding.value = false
       actionsExpanded.value = wasExpanded
       return
@@ -191,9 +160,9 @@ const checkActionsColumnWidth = () => {
 
     // 计算所有按钮的总宽度（包括gap）
     let totalWidth = 0
-    buttons.forEach((btn, index) => {
+    actionItems.forEach((item, index) => {
-      totalWidth += (btn as HTMLElement).offsetWidth
+      totalWidth += (item as HTMLElement).offsetWidth
-      if (index < buttons.length - 1) {
+      if (index < actionItems.length - 1) {
         totalWidth += 4 // gap-1 = 4px
       }
     })
@@ -211,6 +180,7 @@ const checkActionsColumnWidth = () => {
 
 // 监听尺寸变化
 let resizeObserver: ResizeObserver | null = null
+let resizeHandler: (() => void) | null = null
 
 onMounted(() => {
   checkScrollable()
@@ -223,17 +193,20 @@ onMounted(() => {
     resizeObserver.observe(tableWrapperRef.value)
   } else {
     // 降级方案：不支持 ResizeObserver 时使用 window resize
-    const handleResize = () => {
+    resizeHandler = () => {
       checkScrollable()
       checkActionsColumnWidth()
     }
-    window.addEventListener('resize', handleResize)
+    window.addEventListener('resize', resizeHandler)
   }
 })
 
 onUnmounted(() => {
   resizeObserver?.disconnect()
-  window.removeEventListener('resize', checkScrollable)
+  if (resizeHandler) {
+    window.removeEventListener('resize', resizeHandler)
+    resizeHandler = null
+  }
 })
 
 interface Props {
@@ -298,26 +271,6 @@ const sortedData = computed(() => {
   })
 })
 
-// 检查是否有可展开的操作列
-const hasExpandableActions = computed(() => {
-  // 如果明确指定了actionsCount，使用它来判断
-  if (props.actionsCount !== undefined) {
-    return props.expandableActions && props.columns.some((col) => col.key === 'actions') && props.actionsCount > 2
-  }
-
-  // 否则使用原来的检测逻辑
-  return (
-    props.expandableActions &&
-    props.columns.some((col) => col.key === 'actions') &&
-    actionsColumnNeedsExpanding.value
-  )
-})
-
-// 切换操作列展开/折叠状态
-const toggleActionsExpanded = () => {
-  actionsExpanded.value = !actionsExpanded.value
-}
-
 // 检查第一列是否为勾选列
 const hasSelectColumn = computed(() => {
   return props.columns.length > 0 && props.columns[0].key === 'select'

frontend/src/components/common/Pagination.vue

@@ -206,10 +206,6 @@ const handlePageSizeChange = (value: string | number | boolean | null) => {
   if (value === null || typeof value === 'boolean') return
   const newPageSize = typeof value === 'string' ? parseInt(value) : value
   emit('update:pageSize', newPageSize)
-  // Reset to first page when page size changes
-  if (props.page !== 1) {
-    emit('update:page', 1)
-  }
 }
 </script>
 

frontend/src/components/common/Select.vue

@@ -30,7 +30,11 @@
     </button>
 
     <Transition name="select-dropdown">
-      <div v-if="isOpen" class="select-dropdown">
+      <div
+        v-if="isOpen"
+        ref="dropdownRef"
+        :class="['select-dropdown', dropdownPosition === 'top' && 'select-dropdown-top']"
+      >
         <!-- Search input -->
         <div v-if="searchable" class="select-search">
           <svg
@@ -141,6 +145,8 @@ const isOpen = ref(false)
 const searchQuery = ref('')
 const containerRef = ref<HTMLElement | null>(null)
 const searchInputRef = ref<HTMLInputElement | null>(null)
+const dropdownRef = ref<HTMLElement | null>(null)
+const dropdownPosition = ref<'bottom' | 'top'>('bottom')
 
 const getOptionValue = (
   option: SelectOption | Record<string, unknown>
@@ -184,13 +190,37 @@ const isSelected = (option: SelectOption | Record<string, unknown>): boolean =>
   return getOptionValue(option) === props.modelValue
 }
 
+const calculateDropdownPosition = () => {
+  if (!containerRef.value) return
+
+  nextTick(() => {
+    if (!containerRef.value || !dropdownRef.value) return
+
+    const triggerRect = containerRef.value.getBoundingClientRect()
+    const dropdownHeight = dropdownRef.value.offsetHeight || 240 // Max height fallback
+    const viewportHeight = window.innerHeight
+    const spaceBelow = viewportHeight - triggerRect.bottom
+    const spaceAbove = triggerRect.top
+
+    // If not enough space below but enough space above, show dropdown on top
+    if (spaceBelow < dropdownHeight && spaceAbove > dropdownHeight) {
+      dropdownPosition.value = 'top'
+    } else {
+      dropdownPosition.value = 'bottom'
+    }
+  })
+}
+
 const toggle = () => {
   if (props.disabled) return
   isOpen.value = !isOpen.value
-  if (isOpen.value && props.searchable) {
+  if (isOpen.value) {
-    nextTick(() => {
+    calculateDropdownPosition()
-      searchInputRef.value?.focus()
+    if (props.searchable) {
-    })
+      nextTick(() => {
+        searchInputRef.value?.focus()
+      })
+    }
   }
 }
 
@@ -267,7 +297,7 @@ onUnmounted(() => {
 }
 
 .select-dropdown {
-  @apply absolute z-[100] mt-2 w-full;
+  @apply absolute left-0 z-[100] mt-2 min-w-full w-max max-w-[300px];
   @apply bg-white dark:bg-dark-800;
   @apply rounded-xl;
   @apply border border-gray-200 dark:border-dark-700;
@@ -275,6 +305,10 @@ onUnmounted(() => {
   @apply overflow-hidden;
 }
 
+.select-dropdown-top {
+  @apply bottom-full mb-2 mt-0;
+}
+
 .select-search {
   @apply flex items-center gap-2 px-3 py-2;
   @apply border-b border-gray-100 dark:border-dark-700;
@@ -305,7 +339,7 @@ onUnmounted(() => {
 }
 
 .select-option-label {
-  @apply truncate;
+  @apply flex-1 min-w-0 truncate text-left;
 }
 
 .select-empty {
@@ -322,6 +356,17 @@ onUnmounted(() => {
 .select-dropdown-enter-from,
 .select-dropdown-leave-to {
   opacity: 0;
+}
+
+/* Animation for dropdown opening downward (default) */
+.select-dropdown:not(.select-dropdown-top).select-dropdown-enter-from,
+.select-dropdown:not(.select-dropdown-top).select-dropdown-leave-to {
   transform: translateY(-8px);
 }
+
+/* Animation for dropdown opening upward */
+.select-dropdown-top.select-dropdown-enter-from,
+.select-dropdown-top.select-dropdown-leave-to {
+  transform: translateY(8px);
+}
 </style>

frontend/src/components/common/SubscriptionProgressMini.vue

@@ -178,17 +178,19 @@
 <script setup lang="ts">
 import { ref, computed, onMounted, onBeforeUnmount } from 'vue'
 import { useI18n } from 'vue-i18n'
-import subscriptionsAPI from '@/api/subscriptions'
+import { useSubscriptionStore } from '@/stores'
 import type { UserSubscription } from '@/types'
 
 const { t } = useI18n()
 
+const subscriptionStore = useSubscriptionStore()
+
 const containerRef = ref<HTMLElement | null>(null)
 const tooltipOpen = ref(false)
-const activeSubscriptions = ref<UserSubscription[]>([])
-const loading = ref(false)
 
-const hasActiveSubscriptions = computed(() => activeSubscriptions.value.length > 0)
+// Use store data instead of local state
+const activeSubscriptions = computed(() => subscriptionStore.activeSubscriptions)
+const hasActiveSubscriptions = computed(() => subscriptionStore.hasActiveSubscriptions)
 
 const displaySubscriptions = computed(() => {
   // Sort by most usage (highest percentage first)
@@ -275,37 +277,18 @@ function handleClickOutside(event: MouseEvent) {
   }
 }
 
-async function loadSubscriptions() {
-  try {
-    loading.value = true
-    activeSubscriptions.value = await subscriptionsAPI.getActiveSubscriptions()
-  } catch (error) {
-    console.error('Failed to load subscriptions:', error)
-    activeSubscriptions.value = []
-  } finally {
-    loading.value = false
-  }
-}
-
 onMounted(() => {
   document.addEventListener('click', handleClickOutside)
-  loadSubscriptions()
+  // Trigger initial fetch if not already loaded
+  // The actual data loading is handled by App.vue globally
+  subscriptionStore.fetchActiveSubscriptions().catch((error) => {
+    console.error('Failed to load subscriptions in SubscriptionProgressMini:', error)
+  })
 })
 
 onBeforeUnmount(() => {
   document.removeEventListener('click', handleClickOutside)
 })
-
-// Refresh subscriptions periodically (every 5 minutes)
-let refreshInterval: ReturnType<typeof setInterval> | null = null
-onMounted(() => {
-  refreshInterval = setInterval(loadSubscriptions, 5 * 60 * 1000)
-})
-onBeforeUnmount(() => {
-  if (refreshInterval) {
-    clearInterval(refreshInterval)
-  }
-})
 </script>
 
 <style scoped>

frontend/src/components/common/index.ts

@@ -2,6 +2,7 @@
 export { default as DataTable } from './DataTable.vue'
 export { default as Pagination } from './Pagination.vue'
 export { default as Modal } from './Modal.vue'
+export { default as BaseDialog } from './BaseDialog.vue'
 export { default as ConfirmDialog } from './ConfirmDialog.vue'
 export { default as StatCard } from './StatCard.vue'
 export { default as Toast } from './Toast.vue'

frontend/src/components/keys/UseKeyModal.vue

@@ -1,8 +1,8 @@
 <template>
-  <Modal
+  <BaseDialog
     :show="show"
     :title="t('keys.useKeyModal.title')"
-    size="lg"
+    width="wide"
     @close="emit('close')"
   >
     <div class="space-y-4">
@@ -112,13 +112,13 @@
         </button>
       </div>
     </template>
-  </Modal>
+  </BaseDialog>
 </template>
 
 <script setup lang="ts">
 import { ref, computed, h, watch, type Component } from 'vue'
 import { useI18n } from 'vue-i18n'
-import Modal from '@/components/common/Modal.vue'
+import BaseDialog from '@/components/common/BaseDialog.vue'
 import { useClipboard } from '@/composables/useClipboard'
 import type { GroupPlatform } from '@/types'
 

frontend/src/components/layout/AppSidebar.vue

@@ -45,8 +45,8 @@
           </router-link>
         </div>
 
-        <!-- Personal Section for Admin -->
+        <!-- Personal Section for Admin (hidden in simple mode) -->
-        <div class="sidebar-section">
+        <div v-if="!authStore.isSimpleMode" class="sidebar-section">
           <div v-if="!sidebarCollapsed" class="sidebar-section-title">
             {{ t('nav.myAccount') }}
           </div>
@@ -402,36 +402,54 @@ const ChevronDoubleRightIcon = {
 }
 
 // User navigation items (for regular users)
-const userNavItems = computed(() => [
+const userNavItems = computed(() => {
-  { path: '/dashboard', label: t('nav.dashboard'), icon: DashboardIcon },
+  const items = [
-  { path: '/keys', label: t('nav.apiKeys'), icon: KeyIcon },
+    { path: '/dashboard', label: t('nav.dashboard'), icon: DashboardIcon },
-  { path: '/usage', label: t('nav.usage'), icon: ChartIcon },
+    { path: '/keys', label: t('nav.apiKeys'), icon: KeyIcon },
-  { path: '/subscriptions', label: t('nav.mySubscriptions'), icon: CreditCardIcon },
+    { path: '/usage', label: t('nav.usage'), icon: ChartIcon, hideInSimpleMode: true },
-  { path: '/redeem', label: t('nav.redeem'), icon: GiftIcon },
+    { path: '/subscriptions', label: t('nav.mySubscriptions'), icon: CreditCardIcon, hideInSimpleMode: true },
-  { path: '/profile', label: t('nav.profile'), icon: UserIcon }
+    { path: '/redeem', label: t('nav.redeem'), icon: GiftIcon, hideInSimpleMode: true },
-])
+    { path: '/profile', label: t('nav.profile'), icon: UserIcon }
+  ]
+  return authStore.isSimpleMode ? items.filter(item => !item.hideInSimpleMode) : items
+})
 
 // Personal navigation items (for admin's "My Account" section, without Dashboard)
-const personalNavItems = computed(() => [
+const personalNavItems = computed(() => {
-  { path: '/keys', label: t('nav.apiKeys'), icon: KeyIcon },
+  const items = [
-  { path: '/usage', label: t('nav.usage'), icon: ChartIcon },
+    { path: '/keys', label: t('nav.apiKeys'), icon: KeyIcon },
-  { path: '/subscriptions', label: t('nav.mySubscriptions'), icon: CreditCardIcon },
+    { path: '/usage', label: t('nav.usage'), icon: ChartIcon, hideInSimpleMode: true },
-  { path: '/redeem', label: t('nav.redeem'), icon: GiftIcon },
+    { path: '/subscriptions', label: t('nav.mySubscriptions'), icon: CreditCardIcon, hideInSimpleMode: true },
-  { path: '/profile', label: t('nav.profile'), icon: UserIcon }
+    { path: '/redeem', label: t('nav.redeem'), icon: GiftIcon, hideInSimpleMode: true },
-])
+    { path: '/profile', label: t('nav.profile'), icon: UserIcon }
+  ]
+  return authStore.isSimpleMode ? items.filter(item => !item.hideInSimpleMode) : items
+})
 
 // Admin navigation items
-const adminNavItems = computed(() => [
+const adminNavItems = computed(() => {
-  { path: '/admin/dashboard', label: t('nav.dashboard'), icon: DashboardIcon },
+  const baseItems = [
-  { path: '/admin/users', label: t('nav.users'), icon: UsersIcon },
+    { path: '/admin/dashboard', label: t('nav.dashboard'), icon: DashboardIcon },
-  { path: '/admin/groups', label: t('nav.groups'), icon: FolderIcon },
+    { path: '/admin/users', label: t('nav.users'), icon: UsersIcon, hideInSimpleMode: true },
-  { path: '/admin/subscriptions', label: t('nav.subscriptions'), icon: CreditCardIcon },
+    { path: '/admin/groups', label: t('nav.groups'), icon: FolderIcon, hideInSimpleMode: true },
-  { path: '/admin/accounts', label: t('nav.accounts'), icon: GlobeIcon },
+    { path: '/admin/subscriptions', label: t('nav.subscriptions'), icon: CreditCardIcon, hideInSimpleMode: true },
-  { path: '/admin/proxies', label: t('nav.proxies'), icon: ServerIcon },
+    { path: '/admin/accounts', label: t('nav.accounts'), icon: GlobeIcon },
-  { path: '/admin/redeem', label: t('nav.redeemCodes'), icon: TicketIcon },
+    { path: '/admin/proxies', label: t('nav.proxies'), icon: ServerIcon },
-  { path: '/admin/usage', label: t('nav.usage'), icon: ChartIcon },
+    { path: '/admin/redeem', label: t('nav.redeemCodes'), icon: TicketIcon, hideInSimpleMode: true },
-  { path: '/admin/settings', label: t('nav.settings'), icon: CogIcon }
+    { path: '/admin/usage', label: t('nav.usage'), icon: ChartIcon },
-])
+  ]
+
+  // 简单模式下，在系统设置前插入 API密钥
+  if (authStore.isSimpleMode) {
+    const filtered = baseItems.filter(item => !item.hideInSimpleMode)
+    filtered.push({ path: '/keys', label: t('nav.apiKeys'), icon: KeyIcon })
+    filtered.push({ path: '/admin/settings', label: t('nav.settings'), icon: CogIcon })
+    return filtered
+  }
+
+  baseItems.push({ path: '/admin/settings', label: t('nav.settings'), icon: CogIcon })
+  return baseItems
+})
 
 function toggleSidebar() {
   appStore.toggleSidebar()

frontend/src/i18n/locales/en.ts

@@ -119,6 +119,7 @@ export default {
     info: 'Info',
     active: 'Active',
     inactive: 'Inactive',
+    more: 'More',
     close: 'Close',
     enabled: 'Enabled',
     disabled: 'Disabled',
@@ -344,6 +345,8 @@ export default {
     allApiKeys: 'All API Keys',
     timeRange: 'Time Range',
     exportCsv: 'Export CSV',
+    exporting: 'Exporting...',
+    preparingExport: 'Preparing export...',
     model: 'Model',
     type: 'Type',
     tokens: 'Tokens',
@@ -364,6 +367,7 @@ export default {
     failedToLoad: 'Failed to load usage logs',
     noDataToExport: 'No data to export',
     exportSuccess: 'Usage data exported successfully',
+    exportFailed: 'Failed to export usage data',
     billingType: 'Billing',
     balance: 'Balance',
     subscription: 'Subscription'
@@ -406,7 +410,8 @@ export default {
     subscriptionDays: '{days} days',
     days: ' days',
     codeRedeemSuccess: 'Code redeemed successfully!',
-    failedToRedeem: 'Failed to redeem code. Please check the code and try again.'
+    failedToRedeem: 'Failed to redeem code. Please check the code and try again.',
+    subscriptionRefreshFailed: 'Redeemed successfully, but failed to refresh subscription status.'
   },
 
   // Profile
@@ -427,6 +432,7 @@ export default {
     updating: 'Updating...',
     updateSuccess: 'Profile updated successfully',
     updateFailed: 'Failed to update profile',
+    usernameRequired: 'Username is required',
     changePassword: 'Change Password',
     currentPassword: 'Current Password',
     newPassword: 'New Password',
@@ -670,14 +676,21 @@ export default {
         description: 'Description',
         platform: 'Platform',
         rateMultiplier: 'Rate Multiplier',
-        status: 'Status'
+        status: 'Status',
+        exclusive: 'Exclusive Group'
       },
       enterGroupName: 'Enter group name',
       optionalDescription: 'Optional description',
       platformHint: 'Select the platform this group is associated with',
       platformNotEditable: 'Platform cannot be changed after creation',
       rateMultiplierHint: 'Cost multiplier for this group (e.g., 1.5 = 150% of base cost)',
-      exclusiveHint: 'Exclusive (requires explicit user access)',
+      exclusiveHint: 'Exclusive group, manually assign to specific users',
+      exclusiveTooltip: {
+        title: 'What is an exclusive group?',
+        description: 'When enabled, users cannot see this group when creating API Keys. Only after an admin manually assigns a user to this group can they use it.',
+        example: 'Use case:',
+        exampleContent: 'Public group rate is 0.8. Create an exclusive group with 0.7 rate, manually assign VIP users to give them better pricing.'
+      },
       noGroupsYet: 'No groups yet',
       createFirstGroup: 'Create your first group to organize API keys.',
       creating: 'Creating...',
@@ -902,6 +915,11 @@ export default {
       apiKeyRequired: 'API Key *',
       apiKeyPlaceholder: 'sk-ant-api03-...',
       apiKeyHint: 'Your Claude Console API Key',
+      // OpenAI specific hints
+      openai: {
+        baseUrlHint: 'Leave default for official OpenAI API',
+        apiKeyHint: 'Your OpenAI API Key'
+      },
       modelRestriction: 'Model Restriction (Optional)',
       modelWhitelist: 'Model Whitelist',
       modelMapping: 'Model Mapping',
@@ -1063,6 +1081,7 @@ export default {
         modelPassthrough: 'Gemini Model Passthrough',
         modelPassthroughDesc:
           'All model requests are forwarded directly to the Gemini API without model restrictions or mappings.',
+        baseUrlHint: 'Leave default for official Gemini API',
         apiKeyHint: 'Your Gemini API Key (starts with AIza)'
       },
       // Re-Auth Modal
@@ -1172,9 +1191,9 @@ export default {
       batchAdd: 'Quick Add',
       batchInput: 'Proxy List',
       batchInputPlaceholder:
-        "Enter one proxy per line in the following formats:\nsocks5://user:pass@192.168.1.1:1080\nhttp://192.168.1.1:8080\nhttps://user:pass@proxy.example.com:443",
+        "Enter one proxy per line in the following formats:\nsocks5://user:pass{'@'}192.168.1.1:1080\nhttp://192.168.1.1:8080\nhttps://user:pass{'@'}proxy.example.com:443",
       batchInputHint:
-        "Supports http, https, socks5 protocols. Format: protocol://[user:pass@]host:port",
+        "Supports http, https, socks5 protocols. Format: protocol://[user:pass{'@'}]host:port",
       parsedCount: '{count} valid',
       invalidCount: '{count} invalid',
       duplicateCount: '{count} duplicate',

frontend/src/i18n/locales/zh.ts

@@ -116,6 +116,7 @@ export default {
     info: '提示',
     active: '启用',
     inactive: '禁用',
+    more: '更多',
     close: '关闭',
     enabled: '已启用',
     disabled: '已禁用',
@@ -340,6 +341,8 @@ export default {
     allApiKeys: '全部密钥',
     timeRange: '时间范围',
     exportCsv: '导出 CSV',
+    exporting: '导出中...',
+    preparingExport: '正在准备导出...',
     model: '模型',
     type: '类型',
     tokens: 'Token',
@@ -360,6 +363,7 @@ export default {
     failedToLoad: '加载使用记录失败',
     noDataToExport: '没有可导出的数据',
     exportSuccess: '使用数据导出成功',
+    exportFailed: '使用数据导出失败',
     billingType: '消费类型',
     balance: '余额',
     subscription: '订阅'
@@ -402,7 +406,8 @@ export default {
     subscriptionDays: '{days} 天',
     days: '天',
     codeRedeemSuccess: '兑换成功！',
-    failedToRedeem: '兑换失败，请检查兑换码后重试。'
+    failedToRedeem: '兑换失败，请检查兑换码后重试。',
+    subscriptionRefreshFailed: '兑换成功，但订阅状态刷新失败。'
   },
 
   // Profile
@@ -423,6 +428,7 @@ export default {
     updating: '更新中...',
     updateSuccess: '资料更新成功',
     updateFailed: '资料更新失败',
+    usernameRequired: '用户名不能为空',
     changePassword: '修改密码',
     currentPassword: '当前密码',
     newPassword: '新密码',
@@ -727,14 +733,15 @@ export default {
         platform: '平台',
         rateMultiplier: '费率倍数',
         status: '状态',
+        exclusive: '专属分组',
         nameLabel: '分组名称',
         namePlaceholder: '请输入分组名称',
         descriptionLabel: '描述',
         descriptionPlaceholder: '请输入描述（可选）',
         rateMultiplierLabel: '费率倍数',
         rateMultiplierHint: '1.0 = 标准费率，0.5 = 半价，2.0 = 双倍',
-        exclusiveLabel: '独占模式',
+        exclusiveLabel: '专属分组',
-        exclusiveHint: '启用后，此分组的用户将独占使用分配的账号',
+        exclusiveHint: '专属分组，可以手动指定给用户',
         platformLabel: '平台限制',
         platformPlaceholder: '选择平台（留空则不限制）',
         accountsLabel: '指定账号',
@@ -747,8 +754,14 @@ export default {
         yes: '是',
         no: '否'
       },
-      exclusive: '独占',
+      exclusive: '专属',
-      exclusiveHint: '启用后，此分组的用户将独占使用分配的账号',
+      exclusiveHint: '专属分组，可以手动指定给特定用户',
+      exclusiveTooltip: {
+        title: '什么是专属分组？',
+        description: '开启后，用户在创建 API Key 时将无法看到此分组。只有管理员手动将用户分配到此分组后，用户才能使用。',
+        example: '使用场景：',
+        exampleContent: '公开分组费率 0.8，您可以创建一个费率 0.7 的专属分组，手动分配给 VIP 用户，让他们享受更优惠的价格。'
+      },
       rateMultiplierHint: '1.0 = 标准费率，0.5 = 半价，2.0 = 双倍',
       platforms: {
         all: '全部平台',
@@ -767,8 +780,8 @@ export default {
       allPlatforms: '全部平台',
       allStatus: '全部状态',
       allGroups: '全部分组',
-      exclusiveFilter: '独占',
+      exclusiveFilter: '专属',
-      nonExclusive: '非独占',
+      nonExclusive: '公开',
       public: '公开',
       rateAndAccounts: '{rate}x 费率 · {count} 个账号',
       accountsCount: '{count} 个账号',
@@ -1041,6 +1054,11 @@ export default {
       apiKeyRequired: 'API Key *',
       apiKeyPlaceholder: 'sk-ant-api03-...',
       apiKeyHint: '您的 Claude Console API Key',
+      // OpenAI specific hints
+      openai: {
+        baseUrlHint: '留空使用官方 OpenAI API',
+        apiKeyHint: '您的 OpenAI API Key'
+      },
       modelRestriction: '模型限制（可选）',
       modelWhitelist: '模型白名单',
       modelMapping: '模型映射',
@@ -1184,7 +1202,8 @@ export default {
       gemini: {
         modelPassthrough: 'Gemini 直接转发模型',
         modelPassthroughDesc: '所有模型请求将直接转发至 Gemini API，不进行模型限制或映射。',
-        apiKeyHint: 'Your Gemini API Key（以 AIza 开头）'
+        baseUrlHint: '留空使用官方 Gemini API',
+        apiKeyHint: '您的 Gemini API Key（以 AIza 开头）'
       },
       // Re-Auth Modal
       reAuthorizeAccount: '重新授权账号',
@@ -1321,8 +1340,8 @@ export default {
       batchAdd: '快捷添加',
       batchInput: '代理列表',
       batchInputPlaceholder:
-        "每行输入一个代理，支持以下格式：\nsocks5://user:pass@192.168.1.1:1080\nhttp://192.168.1.1:8080\nhttps://user:pass@proxy.example.com:443",
+        "每行输入一个代理，支持以下格式：\nsocks5://user:pass{'@'}192.168.1.1:1080\nhttp://192.168.1.1:8080\nhttps://user:pass{'@'}proxy.example.com:443",
-      batchInputHint: "支持 http、https、socks5 协议，格式：协议://[用户名:密码@]主机:端口",
+      batchInputHint: "支持 http、https、socks5 协议，格式：协议://[用户名:密码{'@'}]主机:端口",
       parsedCount: '有效 {count} 个',
       invalidCount: '无效 {count} 个',
       duplicateCount: '重复 {count} 个',

frontend/src/router/index.ts

@@ -341,6 +341,23 @@ router.beforeEach((to, _from, next) => {
     return
   }
 
+  // 简易模式下限制访问某些页面
+  if (authStore.isSimpleMode) {
+    const restrictedPaths = [
+      '/admin/groups',
+      '/admin/subscriptions',
+      '/admin/redeem',
+      '/subscriptions',
+      '/redeem'
+    ]
+
+    if (restrictedPaths.some((path) => to.path.startsWith(path))) {
+      // 简易模式下访问受限页面,重定向到仪表板
+      next(authStore.isAdmin ? '/admin/dashboard' : '/dashboard')
+      return
+    }
+  }
+
   // All checks passed, allow navigation
   next()
 })

frontend/src/stores/auth.ts

@@ -4,7 +4,7 @@
  */
 
 import { defineStore } from 'pinia'
-import { ref, computed } from 'vue'
+import { ref, computed, readonly } from 'vue'
 import { authAPI } from '@/api'
 import type { User, LoginRequest, RegisterRequest } from '@/types'
 
@@ -17,6 +17,7 @@ export const useAuthStore = defineStore('auth', () => {
 
   const user = ref<User | null>(null)
   const token = ref<string | null>(null)
+  const runMode = ref<'standard' | 'simple'>('standard')
   let refreshIntervalId: ReturnType<typeof setInterval> | null = null
 
   // ==================== Computed ====================
@@ -29,6 +30,8 @@ export const useAuthStore = defineStore('auth', () => {
     return user.value?.role === 'admin'
   })
 
+  const isSimpleMode = computed(() => runMode.value === 'simple')
+
   // ==================== Actions ====================
 
   /**
@@ -98,16 +101,22 @@ export const useAuthStore = defineStore('auth', () => {
 
       // Store token and user
       token.value = response.access_token
-      user.value = response.user
+
+      // Extract run_mode if present
+      if (response.user.run_mode) {
+        runMode.value = response.user.run_mode
+      }
+      const { run_mode, ...userData } = response.user
+      user.value = userData
 
       // Persist to localStorage
       localStorage.setItem(AUTH_TOKEN_KEY, response.access_token)
-      localStorage.setItem(AUTH_USER_KEY, JSON.stringify(response.user))
+      localStorage.setItem(AUTH_USER_KEY, JSON.stringify(userData))
 
       // Start auto-refresh interval
       startAutoRefresh()
 
-      return response.user
+      return userData
     } catch (error) {
       // Clear any partial state on error
       clearAuth()
@@ -127,16 +136,22 @@ export const useAuthStore = defineStore('auth', () => {
 
       // Store token and user
       token.value = response.access_token
-      user.value = response.user
+
+      // Extract run_mode if present
+      if (response.user.run_mode) {
+        runMode.value = response.user.run_mode
+      }
+      const { run_mode, ...userDataWithoutRunMode } = response.user
+      user.value = userDataWithoutRunMode
 
       // Persist to localStorage
       localStorage.setItem(AUTH_TOKEN_KEY, response.access_token)
-      localStorage.setItem(AUTH_USER_KEY, JSON.stringify(response.user))
+      localStorage.setItem(AUTH_USER_KEY, JSON.stringify(userDataWithoutRunMode))
 
       // Start auto-refresh interval
       startAutoRefresh()
 
-      return response.user
+      return userDataWithoutRunMode
     } catch (error) {
       // Clear any partial state on error
       clearAuth()
@@ -168,13 +183,17 @@ export const useAuthStore = defineStore('auth', () => {
     }
 
     try {
-      const updatedUser = await authAPI.getCurrentUser()
+      const response = await authAPI.getCurrentUser()
-      user.value = updatedUser
+      if (response.data.run_mode) {
+        runMode.value = response.data.run_mode
+      }
+      const { run_mode, ...userData } = response.data
+      user.value = userData
 
       // Update localStorage
-      localStorage.setItem(AUTH_USER_KEY, JSON.stringify(updatedUser))
+      localStorage.setItem(AUTH_USER_KEY, JSON.stringify(userData))
 
-      return updatedUser
+      return userData
     } catch (error) {
       // If refresh fails with 401, clear auth state
       if ((error as { status?: number }).status === 401) {
@@ -204,10 +223,12 @@ export const useAuthStore = defineStore('auth', () => {
     // State
     user,
     token,
+    runMode: readonly(runMode),
 
     // Computed
     isAuthenticated,
     isAdmin,
+    isSimpleMode,
 
     // Actions
     login,

frontend/src/stores/index.ts

@@ -5,6 +5,7 @@
 
 export { useAuthStore } from './auth'
 export { useAppStore } from './app'
+export { useSubscriptionStore } from './subscriptions'
 
 // Re-export types for convenience
 export type { User, LoginRequest, RegisterRequest, AuthResponse } from '@/types'

frontend/src/stores/subscriptions.ts

@@ -0,0 +1,140 @@
+/**
+ * Subscription Store
+ * Global state management for user subscriptions with caching and deduplication
+ */
+
+import { defineStore } from 'pinia'
+import { ref, computed } from 'vue'
+import subscriptionsAPI from '@/api/subscriptions'
+import type { UserSubscription } from '@/types'
+
+// Cache TTL: 60 seconds
+const CACHE_TTL_MS = 60_000
+
+// Request generation counter to invalidate stale in-flight responses
+let requestGeneration = 0
+
+export const useSubscriptionStore = defineStore('subscriptions', () => {
+  // State
+  const activeSubscriptions = ref<UserSubscription[]>([])
+  const loading = ref(false)
+  const loaded = ref(false)
+  const lastFetchedAt = ref<number | null>(null)
+
+  // In-flight request deduplication
+  let activePromise: Promise<UserSubscription[]> | null = null
+
+  // Auto-refresh interval
+  let pollerInterval: ReturnType<typeof setInterval> | null = null
+
+  // Computed
+  const hasActiveSubscriptions = computed(() => activeSubscriptions.value.length > 0)
+
+  /**
+   * Fetch active subscriptions with caching and deduplication
+   * @param force - Force refresh even if cache is valid
+   */
+  async function fetchActiveSubscriptions(force = false): Promise<UserSubscription[]> {
+    const now = Date.now()
+
+    // Return cached data if valid
+    if (
+      !force &&
+      loaded.value &&
+      lastFetchedAt.value &&
+      now - lastFetchedAt.value < CACHE_TTL_MS
+    ) {
+      return activeSubscriptions.value
+    }
+
+    // Return in-flight request if exists (deduplication)
+    if (activePromise && !force) {
+      return activePromise
+    }
+
+    const currentGeneration = ++requestGeneration
+
+    // Start new request
+    loading.value = true
+    const requestPromise = subscriptionsAPI
+      .getActiveSubscriptions()
+      .then((data) => {
+        if (currentGeneration === requestGeneration) {
+          activeSubscriptions.value = data
+          loaded.value = true
+          lastFetchedAt.value = Date.now()
+        }
+        return data
+      })
+      .catch((error) => {
+        console.error('Failed to fetch active subscriptions:', error)
+        throw error
+      })
+      .finally(() => {
+        if (activePromise === requestPromise) {
+          loading.value = false
+          activePromise = null
+        }
+      })
+
+    activePromise = requestPromise
+
+    return activePromise
+  }
+
+  /**
+   * Start auto-refresh polling 
+   */
+  function startPolling() {
+    if (pollerInterval) return
+
+    pollerInterval = setInterval(() => {
+      fetchActiveSubscriptions(true).catch((error) => {
+        console.error('Subscription polling failed:', error)
+      })
+    }, 5 * 60 * 1000)
+  }
+
+  /**
+   * Stop auto-refresh polling
+   */
+  function stopPolling() {
+    if (pollerInterval) {
+      clearInterval(pollerInterval)
+      pollerInterval = null
+    }
+  }
+
+  /**
+   * Clear all subscription data and stop polling
+   */
+  function clear() {
+    requestGeneration++
+    activePromise = null
+    activeSubscriptions.value = []
+    loaded.value = false
+    lastFetchedAt.value = null
+    stopPolling()
+  }
+
+  /**
+   * Invalidate cache (force next fetch to reload)
+   */
+  function invalidateCache() {
+    lastFetchedAt.value = null
+  }
+
+  return {
+    // State
+    activeSubscriptions,
+    loading,
+    hasActiveSubscriptions,
+
+    // Actions
+    fetchActiveSubscriptions,
+    startPolling,
+    stopPolling,
+    clear,
+    invalidateCache
+  }
+})

frontend/src/style.css

@@ -307,6 +307,35 @@
     @apply flex items-center justify-end gap-3;
   }
 
+  /* ============ Dialog ============ */
+  .dialog-overlay {
+    @apply fixed inset-0 z-50;
+    @apply bg-black/40 dark:bg-black/60;
+    @apply flex items-center justify-center p-4;
+  }
+
+  .dialog-container {
+    @apply flex w-full flex-col;
+    @apply max-h-[90vh];
+    @apply rounded-2xl bg-white dark:bg-dark-800;
+    @apply shadow-xl;
+  }
+
+  .dialog-header {
+    @apply border-b border-gray-100 px-6 py-4 dark:border-dark-700;
+    @apply flex items-center justify-between;
+  }
+
+  .dialog-body {
+    @apply overflow-y-auto px-6 py-4;
+  }
+
+  .dialog-footer {
+    @apply border-t border-gray-100 px-6 py-4 dark:border-dark-700;
+    @apply bg-gray-50/60 dark:bg-dark-900/40;
+    @apply flex items-center justify-end gap-3;
+  }
+
   /* ============ Toast 通知 ============ */
   .toast {
     @apply fixed right-4 top-4 z-[100];

frontend/src/types/index.ts

@@ -60,7 +60,11 @@ export interface PublicSettings {
 export interface AuthResponse {
   access_token: string
   token_type: string
-  user: User
+  user: User & { run_mode?: 'standard' | 'simple' }
+}
+
+export interface CurrentUserResponse extends User {
+  run_mode?: 'standard' | 'simple'
 }
 
 // ==================== Subscription Types ====================

frontend/src/views/admin/AccountsView.vue

@@ -165,7 +165,7 @@
         </div>
       </div>
 
-      <DataTable :columns="columns" :data="accounts" :loading="loading" :actions-count="6">
+      <DataTable :columns="columns" :data="accounts" :loading="loading">
           <template #cell-select="{ row }">
             <input
               type="checkbox"
@@ -275,9 +275,9 @@
             </span>
           </template>
 
-          <template #cell-actions="{ row, expanded }">
+          <template #cell-actions="{ row }">
             <div class="flex items-center gap-1">
-              <!-- 主要操作：编辑和删除（始终显示） -->
+              <!-- Edit Button -->
               <button
                 @click="handleEdit(row)"
                 class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-gray-500 transition-colors hover:bg-gray-100 hover:text-primary-600 dark:hover:bg-dark-700 dark:hover:text-primary-400"
@@ -297,6 +297,8 @@
                 </svg>
                 <span class="text-xs">{{ t('common.edit') }}</span>
               </button>
+
+              <!-- Delete Button -->
               <button
                 @click="handleDelete(row)"
                 class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-gray-500 transition-colors hover:bg-red-50 hover:text-red-600 dark:hover:bg-red-900/20 dark:hover:text-red-400"
@@ -317,131 +319,28 @@
                 <span class="text-xs">{{ t('common.delete') }}</span>
               </button>
 
-              <!-- 次要操作：展开时显示 -->
+              <!-- More Actions Menu Trigger -->
-              <template v-if="expanded">
+              <button
-                <!-- Reset Status button for error accounts -->
+                :ref="(el) => setActionButtonRef(row.id, el)"
-                <button
+                @click="openActionMenu(row)"
-                  v-if="row.status === 'error'"
+                class="action-menu-trigger flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-gray-500 transition-colors hover:bg-gray-100 hover:text-gray-900 dark:hover:bg-dark-700 dark:hover:text-white"
-                  @click="handleResetStatus(row)"
+                :class="{ 'bg-gray-100 text-gray-900 dark:bg-dark-700 dark:text-white': activeMenuId === row.id }"
-                  class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-red-500 transition-colors hover:bg-red-50 hover:text-red-600 dark:hover:bg-red-900/20 dark:hover:text-red-400"
+              >
-                >
                 <svg
                   class="h-4 w-4"
                   fill="none"
-                  stroke="currentColor"
                   viewBox="0 0 24 24"
+                  stroke="currentColor"
                   stroke-width="1.5"
                 >
                   <path
                     stroke-linecap="round"
                     stroke-linejoin="round"
-                    d="M9 15L3 9m0 0l6-6M3 9h12a6 6 0 010 12h-3"
+                    d="M6.75 12a.75.75 0 11-1.5 0 .75.75 0 011.5 0zM12.75 12a.75.75 0 11-1.5 0 .75.75 0 011.5 0zM18.75 12a.75.75 0 11-1.5 0 .75.75 0 011.5 0z"
                   />
                 </svg>
-                <span class="text-xs">{{ t('admin.accounts.resetStatus') }}</span>
+                <span class="text-xs">{{ t('common.more') }}</span>
-                </button>
+              </button>
-                <!-- Clear Rate Limit button -->
-                <button
-                  v-if="isRateLimited(row) || isOverloaded(row)"
-                  @click="handleClearRateLimit(row)"
-                  class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-amber-500 transition-colors hover:bg-amber-50 hover:text-amber-600 dark:hover:bg-amber-900/20 dark:hover:text-amber-400"
-                >
-                  <svg
-                    class="h-4 w-4"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                    stroke-width="1.5"
-                  >
-                    <path
-                      stroke-linecap="round"
-                      stroke-linejoin="round"
-                      d="M12 6v6h4.5m4.5 0a9 9 0 11-18 0 9 9 0 0118 0z"
-                    />
-                  </svg>
-                  <span class="text-xs">{{ t('admin.accounts.clearRateLimit') }}</span>
-                </button>
-                <!-- Test Connection button -->
-                <button
-                  @click="handleTest(row)"
-                  class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-gray-500 transition-colors hover:bg-green-50 hover:text-green-600 dark:hover:bg-green-900/20 dark:hover:text-green-400"
-                >
-                  <svg
-                    class="h-4 w-4"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                    stroke-width="1.5"
-                  >
-                    <path
-                      stroke-linecap="round"
-                      stroke-linejoin="round"
-                      d="M5.25 5.653c0-.856.917-1.398 1.667-.986l11.54 6.347a1.125 1.125 0 010 1.972l-11.54 6.347a1.125 1.125 0 01-1.667-.986V5.653z"
-                    />
-                  </svg>
-                  <span class="text-xs">{{ t('admin.accounts.testConnection') }}</span>
-                </button>
-                <!-- View Stats button -->
-                <button
-                  @click="handleViewStats(row)"
-                  class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-gray-500 transition-colors hover:bg-indigo-50 hover:text-indigo-600 dark:hover:bg-indigo-900/20 dark:hover:text-indigo-400"
-                >
-                  <svg
-                    class="h-4 w-4"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                    stroke-width="1.5"
-                  >
-                    <path
-                      stroke-linecap="round"
-                      stroke-linejoin="round"
-                      d="M3 13.125C3 12.504 3.504 12 4.125 12h2.25c.621 0 1.125.504 1.125 1.125v6.75C7.5 20.496 6.996 21 6.375 21h-2.25A1.125 1.125 0 013 19.875v-6.75zM9.75 8.625c0-.621.504-1.125 1.125-1.125h2.25c.621 0 1.125.504 1.125 1.125v11.25c0 .621-.504 1.125-1.125 1.125h-2.25a1.125 1.125 0 01-1.125-1.125V8.625zM16.5 4.125c0-.621.504-1.125 1.125-1.125h2.25C20.496 3 21 3.504 21 4.125v15.75c0 .621-.504 1.125-1.125 1.125h-2.25a1.125 1.125 0 01-1.125-1.125V4.125z"
-                    />
-                  </svg>
-                  <span class="text-xs">{{ t('admin.accounts.viewStats') }}</span>
-                </button>
-                <button
-                  v-if="row.type === 'oauth' || row.type === 'setup-token'"
-                  @click="handleReAuth(row)"
-                  class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-gray-500 transition-colors hover:bg-blue-50 hover:text-blue-600 dark:hover:bg-blue-900/20 dark:hover:text-blue-400"
-                >
-                  <svg
-                    class="h-4 w-4"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                    stroke-width="1.5"
-                  >
-                    <path
-                      stroke-linecap="round"
-                      stroke-linejoin="round"
-                      d="M13.19 8.688a4.5 4.5 0 011.242 7.244l-4.5 4.5a4.5 4.5 0 01-6.364-6.364l1.757-1.757m13.35-.622l1.757-1.757a4.5 4.5 0 00-6.364-6.364l-4.5 4.5a4.5 4.5 0 001.242 7.244"
-                    />
-                  </svg>
-                  <span class="text-xs">{{ t('admin.accounts.reAuthorize') }}</span>
-                </button>
-                <button
-                  v-if="row.type === 'oauth' || row.type === 'setup-token'"
-                  @click="handleRefreshToken(row)"
-                  class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-gray-500 transition-colors hover:bg-purple-50 hover:text-purple-600 dark:hover:bg-purple-900/20 dark:hover:text-purple-400"
-                >
-                  <svg
-                    class="h-4 w-4"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                    stroke-width="1.5"
-                  >
-                    <path
-                      stroke-linecap="round"
-                      stroke-linejoin="round"
-                      d="M16.023 9.348h4.992v-.001M2.985 19.644v-4.992m0 0h4.992m-4.993 0l3.181 3.183a8.25 8.25 0 0013.803-3.7M4.031 9.865a8.25 8.25 0 0113.803-3.7l3.181 3.182m0-4.991v4.99"
-                    />
-                  </svg>
-                  <span class="text-xs">{{ t('admin.accounts.refreshToken') }}</span>
-                </button>
-              </template>
             </div>
           </template>
 
@@ -463,6 +362,7 @@
           :total="pagination.total"
           :page-size="pagination.page_size"
           @update:page="handlePageChange"
+          @update:pageSize="handlePageSizeChange"
         />
       </template>
     </TablePageLayout>
@@ -537,13 +437,64 @@
       @close="showBulkEditModal = false"
       @updated="handleBulkUpdated"
     />
+    <!-- Action Menu (Teleported) -->
+    <Teleport to="body">
+      <div
+        v-if="activeMenuId !== null && menuPosition"
+        class="action-menu-content fixed z-[9999] w-52 overflow-hidden rounded-xl bg-white shadow-lg ring-1 ring-black/5 dark:bg-dark-800 dark:ring-white/10"
+        :style="{ top: menuPosition.top + 'px', left: menuPosition.left + 'px' }"
+      >
+        <div class="py-1">
+          <template v-for="account in accounts" :key="account.id">
+            <template v-if="account.id === activeMenuId">
+              <button
+                @click="handleTest(account); closeActionMenu()"
+                class="flex w-full items-center gap-2 px-4 py-2 text-sm text-gray-700 hover:bg-gray-100 dark:text-gray-300 dark:hover:bg-dark-700"
+              >
+                <svg class="h-4 w-4 text-green-500" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.752 11.168l-3.197-2.132A1 1 0 0010 9.87v4.263a1 1 0 001.555.832l3.197-2.132a1 1 0 000-1.664z" /><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 12a9 9 0 11-18 0 9 9 0 0118 0z" /></svg>
+                {{ t('admin.accounts.testConnection') }}
+              </button>
+              <button
+                @click="handleViewStats(account); closeActionMenu()"
+                class="flex w-full items-center gap-2 px-4 py-2 text-sm text-gray-700 hover:bg-gray-100 dark:text-gray-300 dark:hover:bg-dark-700"
+              >
+                <svg class="h-4 w-4 text-indigo-500" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z" /></svg>
+                {{ t('admin.accounts.viewStats') }}
+              </button>
+              <template v-if="account.type === 'oauth' || account.type === 'setup-token'">
+                <button @click="handleReAuth(account); closeActionMenu()" class="flex w-full items-center gap-2 px-4 py-2 text-sm text-gray-700 hover:bg-gray-100 dark:text-gray-300 dark:hover:bg-dark-700">
+                  <svg class="h-4 w-4 text-blue-500" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13.828 10.172a4 4 0 00-5.656 0l-4 4a4 4 0 105.656 5.656l1.102-1.101m-.758-4.899a4 4 0 005.656 0l4-4a4 4 0 00-5.656-5.656l-1.1 1.1" /></svg>
+                  {{ t('admin.accounts.reAuthorize') }}
+                </button>
+                <button @click="handleRefreshToken(account); closeActionMenu()" class="flex w-full items-center gap-2 px-4 py-2 text-sm text-gray-700 hover:bg-gray-100 dark:text-gray-300 dark:hover:bg-dark-700">
+                  <svg class="h-4 w-4 text-purple-500" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 4v5h5M20 20v-5h-5M4 4l16 16" /></svg>
+                  {{ t('admin.accounts.refreshToken') }}
+                </button>
+              </template>
+
+              <div v-if="account.status === 'error' || isRateLimited(account) || isOverloaded(account)" class="my-1 border-t border-gray-100 dark:border-dark-700"></div>
+
+              <button v-if="account.status === 'error'" @click="handleResetStatus(account); closeActionMenu()" class="flex w-full items-center gap-2 px-4 py-2 text-sm text-yellow-600 hover:bg-gray-100 dark:text-yellow-400 dark:hover:bg-dark-700">
+                <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.752 11.168l-3.197-2.132A1 1 0 0010 9.87v4.263a1 1 0 001.555.832l3.197-2.132a1 1 0 000-1.664z" /><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 12a9 9 0 11-18 0 9 9 0 0118 0z" /></svg>
+                {{ t('admin.accounts.resetStatus') }}
+              </button>
+              <button v-if="isRateLimited(account) || isOverloaded(account)" @click="handleClearRateLimit(account); closeActionMenu()" class="flex w-full items-center gap-2 px-4 py-2 text-sm text-amber-600 hover:bg-gray-100 dark:text-amber-400 dark:hover:bg-dark-700">
+                <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z" /></svg>
+                {{ t('admin.accounts.clearRateLimit') }}
+              </button>
+            </template>
+          </template>
+        </div>
+      </div>
+    </Teleport>
   </AppLayout>
 </template>
 
 <script setup lang="ts">
-import { ref, reactive, computed, onMounted } from 'vue'
+import { ref, reactive, computed, onMounted, onUnmounted, type ComponentPublicInstance } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { useAppStore } from '@/stores/app'
+import { useAuthStore } from '@/stores/auth'
 import { adminAPI } from '@/api/admin'
 import type { Account, Proxy, Group } from '@/types'
 import type { Column } from '@/components/common/types'
@@ -572,22 +523,34 @@ import { formatRelativeTime } from '@/utils/format'
 
 const { t } = useI18n()
 const appStore = useAppStore()
+const authStore = useAuthStore()
 
 // Table columns
-const columns = computed<Column[]>(() => [
+const columns = computed<Column[]>(() => {
-  { key: 'select', label: '', sortable: false },
+  const cols: Column[] = [
-  { key: 'name', label: t('admin.accounts.columns.name'), sortable: true },
+    { key: 'select', label: '', sortable: false },
-  { key: 'platform_type', label: t('admin.accounts.columns.platformType'), sortable: false },
+    { key: 'name', label: t('admin.accounts.columns.name'), sortable: true },
-  { key: 'concurrency', label: t('admin.accounts.columns.concurrencyStatus'), sortable: false },
+    { key: 'platform_type', label: t('admin.accounts.columns.platformType'), sortable: false },
-  { key: 'status', label: t('admin.accounts.columns.status'), sortable: true },
+    { key: 'concurrency', label: t('admin.accounts.columns.concurrencyStatus'), sortable: false },
-  { key: 'schedulable', label: t('admin.accounts.columns.schedulable'), sortable: true },
+    { key: 'status', label: t('admin.accounts.columns.status'), sortable: true },
-  { key: 'today_stats', label: t('admin.accounts.columns.todayStats'), sortable: false },
+    { key: 'schedulable', label: t('admin.accounts.columns.schedulable'), sortable: true },
-  { key: 'groups', label: t('admin.accounts.columns.groups'), sortable: false },
+    { key: 'today_stats', label: t('admin.accounts.columns.todayStats'), sortable: false }
-  { key: 'usage', label: t('admin.accounts.columns.usageWindows'), sortable: false },
+  ]
-  { key: 'priority', label: t('admin.accounts.columns.priority'), sortable: true },
+
-  { key: 'last_used_at', label: t('admin.accounts.columns.lastUsed'), sortable: true },
+  // 简易模式下不显示分组列
-  { key: 'actions', label: t('admin.accounts.columns.actions'), sortable: false }
+  if (!authStore.isSimpleMode) {
-])
+    cols.push({ key: 'groups', label: t('admin.accounts.columns.groups'), sortable: false })
+  }
+
+  cols.push(
+    { key: 'usage', label: t('admin.accounts.columns.usageWindows'), sortable: false },
+    { key: 'priority', label: t('admin.accounts.columns.priority'), sortable: true },
+    { key: 'last_used_at', label: t('admin.accounts.columns.lastUsed'), sortable: true },
+    { key: 'actions', label: t('admin.accounts.columns.actions'), sortable: false }
+  )
+
+  return cols
+})
 
 // Filter options
 const platformOptions = computed(() => [
@@ -628,6 +591,7 @@ const pagination = reactive({
   total: 0,
   pages: 0
 })
+let abortController: AbortController | null = null
 
 // Modal states
 const showCreateModal = ref(false)
@@ -647,6 +611,49 @@ const statsAccount = ref<Account | null>(null)
 const togglingSchedulable = ref<number | null>(null)
 const bulkDeleting = ref(false)
 
+// Action Menu State
+const activeMenuId = ref<number | null>(null)
+const menuPosition = ref<{ top: number; left: number } | null>(null)
+const actionButtonRefs = ref<Map<number, HTMLElement>>(new Map())
+
+const setActionButtonRef = (accountId: number, el: Element | ComponentPublicInstance | null) => {
+  if (el instanceof HTMLElement) {
+    actionButtonRefs.value.set(accountId, el)
+  } else {
+    actionButtonRefs.value.delete(accountId)
+  }
+}
+
+const openActionMenu = (account: Account) => {
+  if (activeMenuId.value === account.id) {
+    closeActionMenu()
+  } else {
+    const buttonEl = actionButtonRefs.value.get(account.id)
+    if (buttonEl) {
+      const rect = buttonEl.getBoundingClientRect()
+      // Position menu to the left of the button, slightly below
+      menuPosition.value = {
+        top: rect.bottom + 4,
+        left: rect.right - 208 // w-52 is 208px
+      }
+    }
+    activeMenuId.value = account.id
+  }
+}
+
+const closeActionMenu = () => {
+  activeMenuId.value = null
+  menuPosition.value = null
+}
+
+// Close menu when clicking outside
+const handleClickOutside = (event: MouseEvent) => {
+  const target = event.target as HTMLElement
+  if (!target.closest('.action-menu-trigger') && !target.closest('.action-menu-content')) {
+    closeActionMenu()
+  }
+}
+
 // Bulk selection
 const selectedAccountIds = ref<number[]>([])
 const selectCurrentPageAccounts = () => {
@@ -668,6 +675,9 @@ const isOverloaded = (account: Account): boolean => {
 
 // Data loading
 const loadAccounts = async () => {
+  abortController?.abort()
+  const currentAbortController = new AbortController()
+  abortController = currentAbortController
   loading.value = true
   try {
     const response = await adminAPI.accounts.list(pagination.page, pagination.page_size, {
@@ -675,15 +685,24 @@ const loadAccounts = async () => {
       type: filters.type || undefined,
       status: filters.status || undefined,
       search: searchQuery.value || undefined
+    }, {
+      signal: currentAbortController.signal
     })
+    if (currentAbortController.signal.aborted) return
     accounts.value = response.items
     pagination.total = response.total
     pagination.pages = response.pages
   } catch (error) {
+    const errorInfo = error as { name?: string; code?: string }
+    if (errorInfo?.name === 'AbortError' || errorInfo?.name === 'CanceledError' || errorInfo?.code === 'ERR_CANCELED') {
+      return
+    }
     appStore.showError(t('admin.accounts.failedToLoad'))
     console.error('Error loading accounts:', error)
   } finally {
-    loading.value = false
+    if (abortController === currentAbortController) {
+      loading.value = false
+    }
   }
 }
 
@@ -720,6 +739,12 @@ const handlePageChange = (page: number) => {
   loadAccounts()
 }
 
+const handlePageSizeChange = (pageSize: number) => {
+  pagination.page_size = pageSize
+  pagination.page = 1
+  loadAccounts()
+}
+
 const handleCrsSynced = () => {
   showCrsSyncModal.value = false
   loadAccounts()
@@ -909,5 +934,12 @@ onMounted(() => {
   loadAccounts()
   loadProxies()
   loadGroups()
+  document.addEventListener('click', handleClickOutside)
+})
+
+onUnmounted(() => {
+  abortController?.abort()
+  abortController = null
+  document.removeEventListener('click', handleClickOutside)
 })
 </script>

frontend/src/views/admin/DashboardView.vue

@@ -407,10 +407,20 @@ const trendData = ref<TrendDataPoint[]>([])
 const modelStats = ref<ModelStat[]>([])
 const userTrend = ref<UserUsageTrendPoint[]>([])
 
+// Helper function to format date in local timezone
+const formatLocalDate = (date: Date): string => {
+  return `${date.getFullYear()}-${String(date.getMonth() + 1).padStart(2, '0')}-${String(date.getDate()).padStart(2, '0')}`
+}
+
+// Initialize date range immediately
+const now = new Date()
+const weekAgo = new Date(now)
+weekAgo.setDate(weekAgo.getDate() - 6)
+
 // Date range
 const granularity = ref<'day' | 'hour'>('day')
-const startDate = ref('')
+const startDate = ref(formatLocalDate(weekAgo))
-const endDate = ref('')
+const endDate = ref(formatLocalDate(now))
 
 // Granularity options for Select component
 const granularityOptions = computed(() => [
@@ -597,18 +607,6 @@ const onDateRangeChange = (range: {
   loadChartData()
 }
 
-// Initialize default date range
-const initializeDateRange = () => {
-  const now = new Date()
-  const today = now.toISOString().split('T')[0]
-  const weekAgo = new Date(now)
-  weekAgo.setDate(weekAgo.getDate() - 6)
-
-  startDate.value = weekAgo.toISOString().split('T')[0]
-  endDate.value = today
-  granularity.value = 'day'
-}
-
 // Load data
 const loadDashboardStats = async () => {
   loading.value = true
@@ -649,7 +647,6 @@ const loadChartData = async () => {
 
 onMounted(() => {
   loadDashboardStats()
-  initializeDateRange()
   loadChartData()
 })
 </script>

frontend/src/views/admin/GroupsView.vue

@@ -223,18 +223,19 @@
           :total="pagination.total"
           :page-size="pagination.page_size"
           @update:page="handlePageChange"
+          @update:pageSize="handlePageSizeChange"
         />
       </template>
     </TablePageLayout>
 
     <!-- Create Group Modal -->
-    <Modal
+    <BaseDialog
       :show="showCreateModal"
       :title="t('admin.groups.createGroup')"
-      size="lg"
+      width="normal"
       @close="closeCreateModal"
     >
-      <form @submit.prevent="handleCreateGroup" class="space-y-5">
+      <form id="create-group-form" @submit.prevent="handleCreateGroup" class="space-y-5">
         <div>
           <label class="input-label">{{ t('admin.groups.form.name') }}</label>
           <input
@@ -271,34 +272,66 @@
           />
           <p class="input-hint">{{ t('admin.groups.rateMultiplierHint') }}</p>
         </div>
-        <div v-if="createForm.subscription_type !== 'subscription'" class="flex items-center gap-3">
+        <div v-if="createForm.subscription_type !== 'subscription'">
-          <button
+          <div class="mb-1.5 flex items-center gap-1">
-            type="button"
+            <label class="text-sm font-medium text-gray-700 dark:text-gray-300">
-            @click="createForm.is_exclusive = !createForm.is_exclusive"
+              {{ t('admin.groups.form.exclusive') }}
-            :class="[
+            </label>
-              'relative inline-flex h-6 w-11 items-center rounded-full transition-colors',
+            <!-- Help Tooltip -->
-              createForm.is_exclusive ? 'bg-primary-500' : 'bg-gray-300 dark:bg-dark-600'
+            <div class="group relative inline-flex">
-            ]"
+              <svg
-          >
+                class="h-3.5 w-3.5 cursor-help text-gray-400 transition-colors hover:text-primary-500 dark:text-gray-500 dark:hover:text-primary-400"
-            <span
+                fill="none"
+                viewBox="0 0 24 24"
+                stroke="currentColor"
+                stroke-width="2"
+              >
+                <path stroke-linecap="round" stroke-linejoin="round" d="M8.228 9c.549-1.165 2.03-2 3.772-2 2.21 0 4 1.343 4 3 0 1.4-1.278 2.575-3.006 2.907-.542.104-.994.54-.994 1.093m0 3h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
+              </svg>
+              <!-- Tooltip Popover -->
+              <div class="pointer-events-none absolute bottom-full left-0 z-50 mb-2 w-72 opacity-0 transition-all duration-200 group-hover:pointer-events-auto group-hover:opacity-100">
+                <div class="rounded-lg bg-gray-900 p-3 text-white shadow-lg dark:bg-gray-800">
+                  <p class="mb-2 text-xs font-medium">{{ t('admin.groups.exclusiveTooltip.title') }}</p>
+                  <p class="mb-2 text-xs leading-relaxed text-gray-300">
+                    {{ t('admin.groups.exclusiveTooltip.description') }}
+                  </p>
+                  <div class="rounded bg-gray-800 p-2 dark:bg-gray-700">
+                    <p class="text-xs leading-relaxed text-gray-300">
+                      <span class="text-primary-400">💡 {{ t('admin.groups.exclusiveTooltip.example') }}</span>
+                      {{ t('admin.groups.exclusiveTooltip.exampleContent') }}
+                    </p>
+                  </div>
+                  <!-- Arrow -->
+                  <div class="absolute -bottom-1.5 left-3 h-3 w-3 rotate-45 bg-gray-900 dark:bg-gray-800"></div>
+                </div>
+              </div>
+            </div>
+          </div>
+          <div class="flex items-center gap-3">
+            <button
+              type="button"
+              @click="createForm.is_exclusive = !createForm.is_exclusive"
               :class="[
-                'inline-block h-4 w-4 transform rounded-full bg-white shadow transition-transform',
+                'relative inline-flex h-6 w-11 items-center rounded-full transition-colors',
-                createForm.is_exclusive ? 'translate-x-6' : 'translate-x-1'
+                createForm.is_exclusive ? 'bg-primary-500' : 'bg-gray-300 dark:bg-dark-600'
               ]"
-            />
+            >
-          </button>
+              <span
-          <label class="text-sm text-gray-700 dark:text-gray-300">
+                :class="[
-            {{ t('admin.groups.exclusiveHint') }}
+                  'inline-block h-4 w-4 transform rounded-full bg-white shadow transition-transform',
-          </label>
+                  createForm.is_exclusive ? 'translate-x-6' : 'translate-x-1'
+                ]"
+              />
+            </button>
+            <span class="text-sm text-gray-500 dark:text-gray-400">
+              {{ createForm.is_exclusive ? t('admin.groups.exclusive') : t('admin.groups.public') }}
+            </span>
+          </div>
         </div>
 
         <!-- Subscription Configuration -->
         <div class="mt-4 border-t pt-4">
-          <h4 class="mb-4 text-sm font-medium text-gray-900 dark:text-white">
+          <div>
-            {{ t('admin.groups.subscription.title') }}
-          </h4>
-
-          <div class="mb-4">
             <label class="input-label">{{ t('admin.groups.subscription.type') }}</label>
             <Select v-model="createForm.subscription_type" :options="subscriptionTypeOptions" />
             <p class="input-hint">{{ t('admin.groups.subscription.typeHint') }}</p>
@@ -345,11 +378,19 @@
           </div>
         </div>
 
+      </form>
+
+      <template #footer>
         <div class="flex justify-end gap-3 pt-4">
           <button @click="closeCreateModal" type="button" class="btn btn-secondary">
             {{ t('common.cancel') }}
           </button>
-          <button type="submit" :disabled="submitting" class="btn btn-primary">
+          <button
+            type="submit"
+            form="create-group-form"
+            :disabled="submitting"
+            class="btn btn-primary"
+          >
             <svg
               v-if="submitting"
               class="-ml-1 mr-2 h-4 w-4 animate-spin"
@@ -373,17 +414,22 @@
             {{ submitting ? t('admin.groups.creating') : t('common.create') }}
           </button>
         </div>
-      </form>
+      </template>
-    </Modal>
+    </BaseDialog>
 
     <!-- Edit Group Modal -->
-    <Modal
+    <BaseDialog
       :show="showEditModal"
       :title="t('admin.groups.editGroup')"
-      size="lg"
+      width="normal"
       @close="closeEditModal"
     >
-      <form v-if="editingGroup" @submit.prevent="handleUpdateGroup" class="space-y-5">
+      <form
+        v-if="editingGroup"
+        id="edit-group-form"
+        @submit.prevent="handleUpdateGroup"
+        class="space-y-5"
+      >
         <div>
           <label class="input-label">{{ t('admin.groups.form.name') }}</label>
           <input v-model="editForm.name" type="text" required class="input" />
@@ -408,25 +454,61 @@
             class="input"
           />
         </div>
-        <div v-if="editForm.subscription_type !== 'subscription'" class="flex items-center gap-3">
+        <div v-if="editForm.subscription_type !== 'subscription'">
-          <button
+          <div class="mb-1.5 flex items-center gap-1">
-            type="button"
+            <label class="text-sm font-medium text-gray-700 dark:text-gray-300">
-            @click="editForm.is_exclusive = !editForm.is_exclusive"
+              {{ t('admin.groups.form.exclusive') }}
-            :class="[
+            </label>
-              'relative inline-flex h-6 w-11 items-center rounded-full transition-colors',
+            <!-- Help Tooltip -->
-              editForm.is_exclusive ? 'bg-primary-500' : 'bg-gray-300 dark:bg-dark-600'
+            <div class="group relative inline-flex">
-            ]"
+              <svg
-          >
+                class="h-3.5 w-3.5 cursor-help text-gray-400 transition-colors hover:text-primary-500 dark:text-gray-500 dark:hover:text-primary-400"
-            <span
+                fill="none"
+                viewBox="0 0 24 24"
+                stroke="currentColor"
+                stroke-width="2"
+              >
+                <path stroke-linecap="round" stroke-linejoin="round" d="M8.228 9c.549-1.165 2.03-2 3.772-2 2.21 0 4 1.343 4 3 0 1.4-1.278 2.575-3.006 2.907-.542.104-.994.54-.994 1.093m0 3h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
+              </svg>
+              <!-- Tooltip Popover -->
+              <div class="pointer-events-none absolute bottom-full left-0 z-50 mb-2 w-72 opacity-0 transition-all duration-200 group-hover:pointer-events-auto group-hover:opacity-100">
+                <div class="rounded-lg bg-gray-900 p-3 text-white shadow-lg dark:bg-gray-800">
+                  <p class="mb-2 text-xs font-medium">{{ t('admin.groups.exclusiveTooltip.title') }}</p>
+                  <p class="mb-2 text-xs leading-relaxed text-gray-300">
+                    {{ t('admin.groups.exclusiveTooltip.description') }}
+                  </p>
+                  <div class="rounded bg-gray-800 p-2 dark:bg-gray-700">
+                    <p class="text-xs leading-relaxed text-gray-300">
+                      <span class="text-primary-400">💡 {{ t('admin.groups.exclusiveTooltip.example') }}</span>
+                      {{ t('admin.groups.exclusiveTooltip.exampleContent') }}
+                    </p>
+                  </div>
+                  <!-- Arrow -->
+                  <div class="absolute -bottom-1.5 left-3 h-3 w-3 rotate-45 bg-gray-900 dark:bg-gray-800"></div>
+                </div>
+              </div>
+            </div>
+          </div>
+          <div class="flex items-center gap-3">
+            <button
+              type="button"
+              @click="editForm.is_exclusive = !editForm.is_exclusive"
               :class="[
-                'inline-block h-4 w-4 transform rounded-full bg-white shadow transition-transform',
+                'relative inline-flex h-6 w-11 items-center rounded-full transition-colors',
-                editForm.is_exclusive ? 'translate-x-6' : 'translate-x-1'
+                editForm.is_exclusive ? 'bg-primary-500' : 'bg-gray-300 dark:bg-dark-600'
               ]"
-            />
+            >
-          </button>
+              <span
-          <label class="text-sm text-gray-700 dark:text-gray-300">
+                :class="[
-            {{ t('admin.groups.exclusiveHint') }}
+                  'inline-block h-4 w-4 transform rounded-full bg-white shadow transition-transform',
-          </label>
+                  editForm.is_exclusive ? 'translate-x-6' : 'translate-x-1'
+                ]"
+              />
+            </button>
+            <span class="text-sm text-gray-500 dark:text-gray-400">
+              {{ editForm.is_exclusive ? t('admin.groups.exclusive') : t('admin.groups.public') }}
+            </span>
+          </div>
         </div>
         <div>
           <label class="input-label">{{ t('admin.groups.form.status') }}</label>
@@ -435,11 +517,7 @@
 
         <!-- Subscription Configuration -->
         <div class="mt-4 border-t pt-4">
-          <h4 class="mb-4 text-sm font-medium text-gray-900 dark:text-white">
+          <div>
-            {{ t('admin.groups.subscription.title') }}
-          </h4>
-
-          <div class="mb-4">
             <label class="input-label">{{ t('admin.groups.subscription.type') }}</label>
             <Select
               v-model="editForm.subscription_type"
@@ -490,11 +568,19 @@
           </div>
         </div>
 
+      </form>
+
+      <template #footer>
         <div class="flex justify-end gap-3 pt-4">
           <button @click="closeEditModal" type="button" class="btn btn-secondary">
             {{ t('common.cancel') }}
           </button>
-          <button type="submit" :disabled="submitting" class="btn btn-primary">
+          <button
+            type="submit"
+            form="edit-group-form"
+            :disabled="submitting"
+            class="btn btn-primary"
+          >
             <svg
               v-if="submitting"
               class="-ml-1 mr-2 h-4 w-4 animate-spin"
@@ -518,8 +604,8 @@
             {{ submitting ? t('admin.groups.updating') : t('common.update') }}
           </button>
         </div>
-      </form>
+      </template>
-    </Modal>
+    </BaseDialog>
 
     <!-- Delete Confirmation Dialog -->
     <ConfirmDialog
@@ -546,7 +632,7 @@ import AppLayout from '@/components/layout/AppLayout.vue'
 import TablePageLayout from '@/components/layout/TablePageLayout.vue'
 import DataTable from '@/components/common/DataTable.vue'
 import Pagination from '@/components/common/Pagination.vue'
-import Modal from '@/components/common/Modal.vue'
+import BaseDialog from '@/components/common/BaseDialog.vue'
 import ConfirmDialog from '@/components/common/ConfirmDialog.vue'
 import EmptyState from '@/components/common/EmptyState.vue'
 import Select from '@/components/common/Select.vue'
@@ -616,6 +702,8 @@ const pagination = reactive({
   pages: 0
 })
 
+let abortController: AbortController | null = null
+
 const showCreateModal = ref(false)
 const showEditModal = ref(false)
 const showDeleteDialog = ref(false)
@@ -660,21 +748,33 @@ const deleteConfirmMessage = computed(() => {
 })
 
 const loadGroups = async () => {
+  if (abortController) {
+    abortController.abort()
+  }
+  const currentController = new AbortController()
+  abortController = currentController
+  const { signal } = currentController
   loading.value = true
   try {
     const response = await adminAPI.groups.list(pagination.page, pagination.page_size, {
       platform: (filters.platform as GroupPlatform) || undefined,
       status: filters.status as any,
       is_exclusive: filters.is_exclusive ? filters.is_exclusive === 'true' : undefined
-    })
+    }, { signal })
+    if (signal.aborted) return
     groups.value = response.items
     pagination.total = response.total
     pagination.pages = response.pages
-  } catch (error) {
+  } catch (error: any) {
+    if (signal.aborted || error?.name === 'AbortError' || error?.code === 'ERR_CANCELED') {
+      return
+    }
     appStore.showError(t('admin.groups.failedToLoad'))
     console.error('Error loading groups:', error)
   } finally {
-    loading.value = false
+    if (abortController === currentController && !signal.aborted) {
+      loading.value = false
+    }
   }
 }
 
@@ -683,6 +783,12 @@ const handlePageChange = (page: number) => {
   loadGroups()
 }
 
+const handlePageSizeChange = (pageSize: number) => {
+  pagination.page_size = pageSize
+  pagination.page = 1
+  loadGroups()
+}
+
 const closeCreateModal = () => {
   showCreateModal.value = false
   createForm.name = ''

frontend/src/views/admin/ProxiesView.vue

@@ -209,15 +209,16 @@
           :total="pagination.total"
           :page-size="pagination.page_size"
           @update:page="handlePageChange"
+          @update:pageSize="handlePageSizeChange"
         />
       </template>
     </TablePageLayout>
 
     <!-- Create Proxy Modal -->
-    <Modal
+    <BaseDialog
       :show="showCreateModal"
       :title="t('admin.proxies.createProxy')"
-      size="lg"
+      width="normal"
       @close="closeCreateModal"
     >
       <!-- Tab Switch -->
@@ -271,7 +272,12 @@
       </div>
 
       <!-- Standard Add Form -->
-      <form v-if="createMode === 'standard'" @submit.prevent="handleCreateProxy" class="space-y-5">
+      <form
+        v-if="createMode === 'standard'"
+        id="create-proxy-form"
+        @submit.prevent="handleCreateProxy"
+        class="space-y-5"
+      >
         <div>
           <label class="input-label">{{ t('admin.proxies.name') }}</label>
           <input
@@ -329,34 +335,6 @@
           />
         </div>
 
-        <div class="flex justify-end gap-3 pt-4">
-          <button @click="closeCreateModal" type="button" class="btn btn-secondary">
-            {{ t('common.cancel') }}
-          </button>
-          <button type="submit" :disabled="submitting" class="btn btn-primary">
-            <svg
-              v-if="submitting"
-              class="-ml-1 mr-2 h-4 w-4 animate-spin"
-              fill="none"
-              viewBox="0 0 24 24"
-            >
-              <circle
-                class="opacity-25"
-                cx="12"
-                cy="12"
-                r="10"
-                stroke="currentColor"
-                stroke-width="4"
-              ></circle>
-              <path
-                class="opacity-75"
-                fill="currentColor"
-                d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
-              ></path>
-            </svg>
-            {{ submitting ? t('admin.proxies.creating') : t('common.create') }}
-          </button>
-        </div>
       </form>
 
       <!-- Batch Add Form -->
@@ -435,11 +413,44 @@
           </div>
         </div>
 
-        <div class="flex justify-end gap-3 pt-4">
+      </div>
+
+      <template #footer>
+        <div class="flex justify-end gap-3">
           <button @click="closeCreateModal" type="button" class="btn btn-secondary">
             {{ t('common.cancel') }}
           </button>
           <button
+            v-if="createMode === 'standard'"
+            type="submit"
+            form="create-proxy-form"
+            :disabled="submitting"
+            class="btn btn-primary"
+          >
+            <svg
+              v-if="submitting"
+              class="-ml-1 mr-2 h-4 w-4 animate-spin"
+              fill="none"
+              viewBox="0 0 24 24"
+            >
+              <circle
+                class="opacity-25"
+                cx="12"
+                cy="12"
+                r="10"
+                stroke="currentColor"
+                stroke-width="4"
+              ></circle>
+              <path
+                class="opacity-75"
+                fill="currentColor"
+                d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
+              ></path>
+            </svg>
+            {{ submitting ? t('admin.proxies.creating') : t('common.create') }}
+          </button>
+          <button
+            v-else
             @click="handleBatchCreate"
             type="button"
             :disabled="submitting || batchParseResult.valid === 0"
@@ -472,17 +483,22 @@
             }}
           </button>
         </div>
-      </div>
+      </template>
-    </Modal>
+    </BaseDialog>
 
     <!-- Edit Proxy Modal -->
-    <Modal
+    <BaseDialog
       :show="showEditModal"
       :title="t('admin.proxies.editProxy')"
-      size="lg"
+      width="normal"
       @close="closeEditModal"
     >
-      <form v-if="editingProxy" @submit.prevent="handleUpdateProxy" class="space-y-5">
+      <form
+        v-if="editingProxy"
+        id="edit-proxy-form"
+        @submit.prevent="handleUpdateProxy"
+        class="space-y-5"
+      >
         <div>
           <label class="input-label">{{ t('admin.proxies.name') }}</label>
           <input v-model="editForm.name" type="text" required class="input" />
@@ -526,11 +542,20 @@
           <Select v-model="editForm.status" :options="editStatusOptions" />
         </div>
 
-        <div class="flex justify-end gap-3 pt-4">
+      </form>
+
+      <template #footer>
+        <div class="flex justify-end gap-3">
           <button @click="closeEditModal" type="button" class="btn btn-secondary">
             {{ t('common.cancel') }}
           </button>
-          <button type="submit" :disabled="submitting" class="btn btn-primary">
+          <button
+            v-if="editingProxy"
+            type="submit"
+            form="edit-proxy-form"
+            :disabled="submitting"
+            class="btn btn-primary"
+          >
             <svg
               v-if="submitting"
               class="-ml-1 mr-2 h-4 w-4 animate-spin"
@@ -554,8 +579,8 @@
             {{ submitting ? t('admin.proxies.updating') : t('common.update') }}
           </button>
         </div>
-      </form>
+      </template>
-    </Modal>
+    </BaseDialog>
 
     <!-- Delete Confirmation Dialog -->
     <ConfirmDialog
@@ -582,7 +607,7 @@ import AppLayout from '@/components/layout/AppLayout.vue'
 import TablePageLayout from '@/components/layout/TablePageLayout.vue'
 import DataTable from '@/components/common/DataTable.vue'
 import Pagination from '@/components/common/Pagination.vue'
-import Modal from '@/components/common/Modal.vue'
+import BaseDialog from '@/components/common/BaseDialog.vue'
 import ConfirmDialog from '@/components/common/ConfirmDialog.vue'
 import EmptyState from '@/components/common/EmptyState.vue'
 import Select from '@/components/common/Select.vue'
@@ -682,22 +707,44 @@ const editForm = reactive({
   status: 'active' as 'active' | 'inactive'
 })
 
+let abortController: AbortController | null = null
+
+const isAbortError = (error: unknown) => {
+  if (!error || typeof error !== 'object') return false
+  const maybeError = error as { name?: string; code?: string }
+  return maybeError.name === 'AbortError' || maybeError.code === 'ERR_CANCELED'
+}
+
 const loadProxies = async () => {
+  if (abortController) {
+    abortController.abort()
+  }
+  const currentAbortController = new AbortController()
+  abortController = currentAbortController
   loading.value = true
   try {
     const response = await adminAPI.proxies.list(pagination.page, pagination.page_size, {
       protocol: filters.protocol || undefined,
       status: filters.status as any,
       search: searchQuery.value || undefined
-    })
+    }, { signal: currentAbortController.signal })
+    if (currentAbortController.signal.aborted || abortController !== currentAbortController) {
+      return
+    }
     proxies.value = response.items
     pagination.total = response.total
     pagination.pages = response.pages
   } catch (error) {
+    if (isAbortError(error)) {
+      return
+    }
     appStore.showError(t('admin.proxies.failedToLoad'))
     console.error('Error loading proxies:', error)
   } finally {
-    loading.value = false
+    if (abortController === currentAbortController) {
+      loading.value = false
+      abortController = null
+    }
   }
 }
 
@@ -715,6 +762,12 @@ const handlePageChange = (page: number) => {
   loadProxies()
 }
 
+const handlePageSizeChange = (pageSize: number) => {
+  pagination.page_size = pageSize
+  pagination.page = 1
+  loadProxies()
+}
+
 const closeCreateModal = () => {
   showCreateModal.value = false
   createMode.value = 'standard'

frontend/src/views/admin/RedeemView.vue

@@ -186,6 +186,7 @@
           :total="pagination.total"
           :page-size="pagination.page_size"
           @update:page="handlePageChange"
+          @update:pageSize="handlePageSizeChange"
         />
 
         <!-- Batch Actions -->
@@ -542,6 +543,8 @@ const pagination = reactive({
   pages: 0
 })
 
+let abortController: AbortController | null = null
+
 const showDeleteDialog = ref(false)
 const showDeleteUnusedDialog = ref(false)
 const deletingCode = ref<RedeemCode | null>(null)
@@ -556,21 +559,46 @@ const generateForm = reactive({
 })
 
 const loadCodes = async () => {
+  if (abortController) {
+    abortController.abort()
+  }
+  const currentController = new AbortController()
+  abortController = currentController
   loading.value = true
   try {
-    const response = await adminAPI.redeem.list(pagination.page, pagination.page_size, {
+    const response = await adminAPI.redeem.list(
-      type: filters.type as RedeemCodeType,
+      pagination.page,
-      status: filters.status as any,
+      pagination.page_size,
-      search: searchQuery.value || undefined
+      {
-    })
+        type: filters.type as RedeemCodeType,
+        status: filters.status as any,
+        search: searchQuery.value || undefined
+      },
+      {
+        signal: currentController.signal
+      }
+    )
+    if (currentController.signal.aborted) {
+      return
+    }
     codes.value = response.items
     pagination.total = response.total
     pagination.pages = response.pages
-  } catch (error) {
+  } catch (error: any) {
+    if (
+      currentController.signal.aborted ||
+      error?.name === 'AbortError' ||
+      error?.code === 'ERR_CANCELED'
+    ) {
+      return
+    }
     appStore.showError(t('admin.redeem.failedToLoad'))
     console.error('Error loading redeem codes:', error)
   } finally {
-    loading.value = false
+    if (abortController === currentController && !currentController.signal.aborted) {
+      loading.value = false
+      abortController = null
+    }
   }
 }
 
@@ -588,6 +616,12 @@ const handlePageChange = (page: number) => {
   loadCodes()
 }
 
+const handlePageSizeChange = (pageSize: number) => {
+  pagination.page_size = pageSize
+  pagination.page = 1
+  loadCodes()
+}
+
 const handleGenerateCodes = async () => {
   // 订阅类型必须选择分组
   if (generateForm.type === 'subscription' && !generateForm.group_id) {

frontend/src/views/admin/SubscriptionsView.vue

@@ -316,18 +316,23 @@
         :total="pagination.total"
         :page-size="pagination.page_size"
         @update:page="handlePageChange"
+        @update:pageSize="handlePageSizeChange"
       />
       </template>
     </TablePageLayout>
 
     <!-- Assign Subscription Modal -->
-    <Modal
+    <BaseDialog
       :show="showAssignModal"
       :title="t('admin.subscriptions.assignSubscription')"
-      size="lg"
+      width="normal"
       @close="closeAssignModal"
     >
-      <form @submit.prevent="handleAssignSubscription" class="space-y-5">
+      <form
+        id="assign-subscription-form"
+        @submit.prevent="handleAssignSubscription"
+        class="space-y-5"
+      >
         <div>
           <label class="input-label">{{ t('admin.subscriptions.form.user') }}</label>
           <Select
@@ -351,12 +356,18 @@
           <input v-model.number="assignForm.validity_days" type="number" min="1" class="input" />
           <p class="input-hint">{{ t('admin.subscriptions.validityHint') }}</p>
         </div>
-
+      </form>
-        <div class="flex justify-end gap-3 pt-4">
+      <template #footer>
+        <div class="flex justify-end gap-3">
           <button @click="closeAssignModal" type="button" class="btn btn-secondary">
             {{ t('common.cancel') }}
           </button>
-          <button type="submit" :disabled="submitting" class="btn btn-primary">
+          <button
+            type="submit"
+            form="assign-subscription-form"
+            :disabled="submitting"
+            class="btn btn-primary"
+          >
             <svg
               v-if="submitting"
               class="-ml-1 mr-2 h-4 w-4 animate-spin"
@@ -380,18 +391,19 @@
             {{ submitting ? t('admin.subscriptions.assigning') : t('admin.subscriptions.assign') }}
           </button>
         </div>
-      </form>
+      </template>
-    </Modal>
+    </BaseDialog>
 
     <!-- Extend Subscription Modal -->
-    <Modal
+    <BaseDialog
       :show="showExtendModal"
       :title="t('admin.subscriptions.extendSubscription')"
-      size="md"
+      width="narrow"
       @close="closeExtendModal"
     >
       <form
         v-if="extendingSubscription"
+        id="extend-subscription-form"
         @submit.prevent="handleExtendSubscription"
         class="space-y-5"
       >
@@ -417,17 +429,23 @@
           <label class="input-label">{{ t('admin.subscriptions.form.extendDays') }}</label>
           <input v-model.number="extendForm.days" type="number" min="1" required class="input" />
         </div>
-
+      </form>
-        <div class="flex justify-end gap-3 pt-4">
+      <template #footer>
+        <div v-if="extendingSubscription" class="flex justify-end gap-3">
           <button @click="closeExtendModal" type="button" class="btn btn-secondary">
             {{ t('common.cancel') }}
           </button>
-          <button type="submit" :disabled="submitting" class="btn btn-primary">
+          <button
+            type="submit"
+            form="extend-subscription-form"
+            :disabled="submitting"
+            class="btn btn-primary"
+          >
             {{ submitting ? t('admin.subscriptions.extending') : t('admin.subscriptions.extend') }}
           </button>
         </div>
-      </form>
+      </template>
-    </Modal>
+    </BaseDialog>
 
     <!-- Revoke Confirmation Dialog -->
     <ConfirmDialog
@@ -455,7 +473,7 @@ import AppLayout from '@/components/layout/AppLayout.vue'
 import TablePageLayout from '@/components/layout/TablePageLayout.vue'
 import DataTable from '@/components/common/DataTable.vue'
 import Pagination from '@/components/common/Pagination.vue'
-import Modal from '@/components/common/Modal.vue'
+import BaseDialog from '@/components/common/BaseDialog.vue'
 import ConfirmDialog from '@/components/common/ConfirmDialog.vue'
 import EmptyState from '@/components/common/EmptyState.vue'
 import Select from '@/components/common/Select.vue'
@@ -485,6 +503,7 @@ const subscriptions = ref<UserSubscription[]>([])
 const groups = ref<Group[]>([])
 const users = ref<User[]>([])
 const loading = ref(false)
+let abortController: AbortController | null = null
 const filters = reactive({
   status: '',
   group_id: ''
@@ -530,20 +549,36 @@ const subscriptionGroupOptions = computed(() =>
 const userOptions = computed(() => users.value.map((u) => ({ value: u.id, label: u.email })))
 
 const loadSubscriptions = async () => {
+  if (abortController) {
+    abortController.abort()
+  }
+  const requestController = new AbortController()
+  abortController = requestController
+  const { signal } = requestController
+
   loading.value = true
   try {
     const response = await adminAPI.subscriptions.list(pagination.page, pagination.page_size, {
       status: (filters.status as any) || undefined,
       group_id: filters.group_id ? parseInt(filters.group_id) : undefined
+    }, {
+      signal
     })
+    if (signal.aborted || abortController !== requestController) return
     subscriptions.value = response.items
     pagination.total = response.total
     pagination.pages = response.pages
-  } catch (error) {
+  } catch (error: any) {
+    if (signal.aborted || error?.name === 'AbortError' || error?.code === 'ERR_CANCELED') {
+      return
+    }
     appStore.showError(t('admin.subscriptions.failedToLoad'))
     console.error('Error loading subscriptions:', error)
   } finally {
-    loading.value = false
+    if (abortController === requestController) {
+      loading.value = false
+      abortController = null
+    }
   }
 }
 
@@ -569,6 +604,12 @@ const handlePageChange = (page: number) => {
   loadSubscriptions()
 }
 
+const handlePageSizeChange = (pageSize: number) => {
+  pagination.page_size = pageSize
+  pagination.page = 1
+  loadSubscriptions()
+}
+
 const closeAssignModal = () => {
   showAssignModal.value = false
   assignForm.user_id = null

frontend/src/views/admin/UsageView.vue

@@ -224,7 +224,7 @@
                 v-model="filters.api_key_id"
                 :options="apiKeyOptions"
                 :placeholder="t('usage.allApiKeys')"
-                :disabled="!selectedUser && apiKeys.length === 0"
+                searchable
                 @change="applyFilters"
               />
             </div>
@@ -236,6 +236,7 @@
                 v-model="filters.model"
                 :options="modelOptions"
                 :placeholder="t('admin.usage.allModels')"
+                searchable
                 @change="applyFilters"
               />
             </div>
@@ -534,6 +535,7 @@
         :total="pagination.total"
         :page-size="pagination.page_size"
         @update:page="handlePageChange"
+        @update:pageSize="handlePageSizeChange"
       />
     </div>
   </AppLayout>
@@ -666,6 +668,7 @@ const models = ref<string[]>([])
 const accounts = ref<any[]>([])
 const groups = ref<any[]>([])
 const loading = ref(false)
+let abortController: AbortController | null = null
 
 // User search state
 const userSearchKeyword = ref('')
@@ -675,7 +678,7 @@ const showUserDropdown = ref(false)
 const selectedUser = ref<SimpleUser | null>(null)
 let searchTimeout: ReturnType<typeof setTimeout> | null = null
 
-// API Key options computed from selected user's keys
+// API Key options computed from loaded keys
 const apiKeyOptions = computed(() => {
   return [
     { value: null, label: t('usage.allApiKeys') },
@@ -733,9 +736,19 @@ const groupOptions = computed(() => {
   ]
 })
 
+// Helper function to format date in local timezone
+const formatLocalDate = (date: Date): string => {
+  return `${date.getFullYear()}-${String(date.getMonth() + 1).padStart(2, '0')}-${String(date.getDate()).padStart(2, '0')}`
+}
+
+// Initialize date range immediately
+const now = new Date()
+const weekAgo = new Date(now)
+weekAgo.setDate(weekAgo.getDate() - 6)
+
 // Date range state
-const startDate = ref('')
+const startDate = ref(formatLocalDate(weekAgo))
-const endDate = ref('')
+const endDate = ref(formatLocalDate(now))
 
 const filters = ref<AdminUsageQueryParams>({
   user_id: undefined,
@@ -749,18 +762,9 @@ const filters = ref<AdminUsageQueryParams>({
   end_date: undefined
 })
 
-// Initialize default date range (last 7 days)
+// Initialize filters with date range
-const initializeDateRange = () => {
+filters.value.start_date = startDate.value
-  const now = new Date()
+filters.value.end_date = endDate.value
-  const today = now.toISOString().split('T')[0]
-  const weekAgo = new Date(now)
-  weekAgo.setDate(weekAgo.getDate() - 6)
-
-  startDate.value = weekAgo.toISOString().split('T')[0]
-  endDate.value = today
-  filters.value.start_date = startDate.value
-  filters.value.end_date = endDate.value
-}
 
 // User search with debounce
 const debounceSearchUsers = () => {
@@ -796,7 +800,7 @@ const selectUser = async (user: SimpleUser) => {
   filters.value.api_key_id = undefined
 
   // Load API keys for selected user
-  await loadApiKeysForUser(user.id)
+  await loadApiKeys(user.id)
   applyFilters()
 }
 
@@ -807,10 +811,11 @@ const clearUserFilter = () => {
   filters.value.user_id = undefined
   filters.value.api_key_id = undefined
   apiKeys.value = []
+  loadApiKeys()
   applyFilters()
 }
 
-const loadApiKeysForUser = async (userId: number) => {
+const loadApiKeys = async (userId?: number) => {
   try {
     apiKeys.value = await adminAPI.usage.searchApiKeys(userId)
   } catch (error) {
@@ -863,7 +868,24 @@ const formatCacheTokens = (value: number): string => {
   return value.toLocaleString()
 }
 
+const isAbortError = (error: unknown): boolean => {
+  if (error instanceof DOMException && error.name === 'AbortError') {
+    return true
+  }
+  if (typeof error === 'object' && error !== null) {
+    const maybeError = error as { code?: string; name?: string }
+    return maybeError.code === 'ERR_CANCELED' || maybeError.name === 'CanceledError'
+  }
+  return false
+}
+
 const loadUsageLogs = async () => {
+  if (abortController) {
+    abortController.abort()
+  }
+  const controller = new AbortController()
+  abortController = controller
+  const { signal } = controller
   loading.value = true
   try {
     const params: AdminUsageQueryParams = {
@@ -872,17 +894,23 @@ const loadUsageLogs = async () => {
       ...filters.value
     }
 
-    const response = await adminAPI.usage.list(params)
+    const response = await adminAPI.usage.list(params, { signal })
+    if (signal.aborted) {
+      return
+    }
     usageLogs.value = response.items
     pagination.value.total = response.total
     pagination.value.pages = response.pages
 
-    // Extract models from loaded logs for filter options
-    extractModelsFromLogs()
   } catch (error) {
+    if (signal.aborted || isAbortError(error)) {
+      return
+    }
     appStore.showError(t('usage.failedToLoad'))
   } finally {
-    loading.value = false
+    if (!signal.aborted && abortController === controller) {
+      loading.value = false
+    }
   }
 }
 
@@ -944,27 +972,40 @@ const applyFilters = () => {
 // Load filter options
 const loadFilterOptions = async () => {
   try {
-    // Load accounts
+    const [accountsResponse, groupsResponse] = await Promise.all([
-    const accountsResponse = await adminAPI.accounts.list(1, 1000)
+      adminAPI.accounts.list(1, 1000),
+      adminAPI.groups.list(1, 1000)
+    ])
     accounts.value = accountsResponse.items || []
-
-    // Load groups
-    const groupsResponse = await adminAPI.groups.list(1, 1000)
     groups.value = groupsResponse.items || []
   } catch (error) {
     console.error('Failed to load filter options:', error)
   }
+  await loadModelOptions()
 }
 
-// Extract unique models from usage logs
+const loadModelOptions = async () => {
-const extractModelsFromLogs = () => {
+  try {
-  const uniqueModels = new Set<string>()
+    const endDate = new Date()
-  usageLogs.value.forEach(log => {
+    const startDateRange = new Date(endDate)
-    if (log.model) {
+    startDateRange.setDate(startDateRange.getDate() - 29)
-      uniqueModels.add(log.model)
+    // Use local timezone instead of UTC
-    }
+    const endDateStr = `${endDate.getFullYear()}-${String(endDate.getMonth() + 1).padStart(2, '0')}-${String(endDate.getDate()).padStart(2, '0')}`
-  })
+    const startDateStr = `${startDateRange.getFullYear()}-${String(startDateRange.getMonth() + 1).padStart(2, '0')}-${String(startDateRange.getDate()).padStart(2, '0')}`
-  models.value = Array.from(uniqueModels).sort()
+    const response = await adminAPI.dashboard.getModelStats({
+      start_date: startDateStr,
+      end_date: endDateStr
+    })
+    const uniqueModels = new Set<string>()
+    response.models?.forEach((stat) => {
+      if (stat.model) {
+        uniqueModels.add(stat.model)
+      }
+    })
+    models.value = Array.from(uniqueModels).sort()
+  } catch (error) {
+    console.error('Failed to load model options:', error)
+  }
 }
 
 const resetFilters = () => {
@@ -985,8 +1026,15 @@ const resetFilters = () => {
   }
   granularity.value = 'day'
   // Reset date range to default (last 7 days)
-  initializeDateRange()
+  const now = new Date()
+  const weekAgo = new Date(now)
+  weekAgo.setDate(weekAgo.getDate() - 6)
+  startDate.value = formatLocalDate(weekAgo)
+  endDate.value = formatLocalDate(now)
+  filters.value.start_date = startDate.value
+  filters.value.end_date = endDate.value
   pagination.value.page = 1
+  loadApiKeys()
   loadUsageLogs()
   loadUsageStats()
   loadChartData()
@@ -997,6 +1045,12 @@ const handlePageChange = (page: number) => {
   loadUsageLogs()
 }
 
+const handlePageSizeChange = (pageSize: number) => {
+  pagination.value.page_size = pageSize
+  pagination.value.page = 1
+  loadUsageLogs()
+}
+
 const exportToCSV = () => {
   if (usageLogs.value.length === 0) {
     appStore.showWarning(t('usage.noDataToExport'))
@@ -1070,8 +1124,8 @@ const hideTooltip = () => {
 }
 
 onMounted(() => {
-  initializeDateRange()
   loadFilterOptions()
+  loadApiKeys()
   loadUsageLogs()
   loadUsageStats()
   loadChartData()
@@ -1083,5 +1137,8 @@ onUnmounted(() => {
   if (searchTimeout) {
     clearTimeout(searchTimeout)
   }
+  if (abortController) {
+    abortController.abort()
+  }
 })
 </script>

frontend/src/views/admin/UsersView.vue

@@ -198,12 +198,13 @@
             <span class="text-sm text-gray-500 dark:text-dark-400">{{ formatDateTime(value) }}</span>
           </template>
 
-          <template #cell-actions="{ row, expanded }">
+          <template #cell-actions="{ row }">
             <div class="flex items-center gap-1">
-              <!-- 主要操作：编辑和删除（始终显示） -->
+              <!-- Edit Button -->
               <button
                 @click="handleEdit(row)"
-                class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-gray-500 transition-colors hover:bg-gray-100 hover:text-primary-600 dark:hover:bg-dark-700 dark:hover:text-primary-400"
+                class="flex h-8 w-8 items-center justify-center rounded-lg text-gray-500 transition-colors hover:bg-gray-100 hover:text-primary-600 dark:hover:bg-dark-700 dark:hover:text-primary-400"
+                :title="t('common.edit')"
               >
                 <svg
                   class="h-4 w-4"
@@ -218,145 +219,29 @@
                     d="M16.862 4.487l1.687-1.688a1.875 1.875 0 112.652 2.652L10.582 16.07a4.5 4.5 0 01-1.897 1.13L6 18l.8-2.685a4.5 4.5 0 011.13-1.897l8.932-8.931zm0 0L19.5 7.125M18 14v4.75A2.25 2.25 0 0115.75 21H5.25A2.25 2.25 0 013 18.75V8.25A2.25 2.25 0 015.25 6H10"
                   />
                 </svg>
-                <span class="text-xs">{{ t('common.edit') }}</span>
-              </button>
-              <button
-                v-if="row.role !== 'admin'"
-                @click="handleDelete(row)"
-                class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-gray-500 transition-colors hover:bg-red-50 hover:text-red-600 dark:hover:bg-red-900/20 dark:hover:text-red-400"
-              >
-                <svg
-                  class="h-4 w-4"
-                  fill="none"
-                  stroke="currentColor"
-                  viewBox="0 0 24 24"
-                  stroke-width="1.5"
-                >
-                  <path
-                    stroke-linecap="round"
-                    stroke-linejoin="round"
-                    d="M14.74 9l-.346 9m-4.788 0L9.26 9m9.968-3.21c.342.052.682.107 1.022.166m-1.022-.165L18.16 19.673a2.25 2.25 0 01-2.244 2.077H8.084a2.25 2.25 0 01-2.244-2.077L4.772 5.79m14.456 0a48.108 48.108 0 00-3.478-.397m-12 .562c.34-.059.68-.114 1.022-.165m0 0a48.11 48.11 0 013.478-.397m7.5 0v-.916c0-1.18-.91-2.164-2.09-2.201a51.964 51.964 0 00-3.32 0c-1.18.037-2.09 1.022-2.09 2.201v.916m7.5 0a48.667 48.667 0 00-7.5 0"
-                  />
-                </svg>
-                <span class="text-xs">{{ t('common.delete') }}</span>
               </button>
 
-              <!-- 次要操作：展开时显示 -->
+              <!-- More Actions Menu Trigger -->
-              <template v-if="expanded">
+              <button
-                <!-- Toggle Status (hidden for admin users) -->
+                :ref="(el) => setActionButtonRef(row.id, el)"
-                <button
+                @click="openActionMenu(row)"
-                  v-if="row.role !== 'admin'"
+                class="action-menu-trigger flex h-8 w-8 items-center justify-center rounded-lg text-gray-500 transition-colors hover:bg-gray-100 hover:text-gray-900 dark:hover:bg-dark-700 dark:hover:text-white"
-                  @click="handleToggleStatus(row)"
+                :class="{ 'bg-gray-100 text-gray-900 dark:bg-dark-700 dark:text-white': activeMenuId === row.id }"
-                  :class="[
+              >
-                    'flex flex-col items-center gap-0.5 rounded-lg p-1.5 transition-colors',
-                    row.status === 'active'
-                      ? 'text-gray-500 hover:bg-orange-50 hover:text-orange-600 dark:hover:bg-orange-900/20 dark:hover:text-orange-400'
-                      : 'text-gray-500 hover:bg-green-50 hover:text-green-600 dark:hover:bg-green-900/20 dark:hover:text-green-400'
-                  ]"
-                >
                 <svg
-                  v-if="row.status === 'active'"
+                  class="h-5 w-5"
-                  class="h-4 w-4"
                   fill="none"
-                  stroke="currentColor"
                   viewBox="0 0 24 24"
+                  stroke="currentColor"
                   stroke-width="1.5"
                 >
                   <path
                     stroke-linecap="round"
                     stroke-linejoin="round"
-                    d="M18.364 18.364A9 9 0 005.636 5.636m12.728 12.728A9 9 0 015.636 5.636m12.728 12.728L5.636 5.636"
+                    d="M6.75 12a.75.75 0 11-1.5 0 .75.75 0 011.5 0zM12.75 12a.75.75 0 11-1.5 0 .75.75 0 011.5 0zM18.75 12a.75.75 0 11-1.5 0 .75.75 0 011.5 0z"
                   />
                 </svg>
-                <svg
+              </button>
-                  v-else
-                  class="h-4 w-4"
-                  fill="none"
-                  stroke="currentColor"
-                  viewBox="0 0 24 24"
-                  stroke-width="1.5"
-                >
-                  <path
-                    stroke-linecap="round"
-                    stroke-linejoin="round"
-                    d="M9 12.75L11.25 15 15 9.75M21 12a9 9 0 11-18 0 9 9 0 0118 0z"
-                  />
-                </svg>
-                <span class="text-xs">{{ row.status === 'active' ? t('admin.users.disable') : t('admin.users.enable') }}</span>
-                </button>
-                <!-- Allowed Groups -->
-                <button
-                  @click="handleAllowedGroups(row)"
-                  class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-gray-500 transition-colors hover:bg-blue-50 hover:text-blue-600 dark:hover:bg-blue-900/20 dark:hover:text-blue-400"
-                >
-                  <svg
-                    class="h-4 w-4"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                    stroke-width="1.5"
-                  >
-                    <path
-                      stroke-linecap="round"
-                      stroke-linejoin="round"
-                      d="M18 18.72a9.094 9.094 0 003.741-.479 3 3 0 00-4.682-2.72m.94 3.198l.001.031c0 .225-.012.447-.037.666A11.944 11.944 0 0112 21c-2.17 0-4.207-.576-5.963-1.584A6.062 6.062 0 016 18.719m12 0a5.971 5.971 0 00-.941-3.197m0 0A5.995 5.995 0 0012 12.75a5.995 5.995 0 00-5.058 2.772m0 0a3 3 0 00-4.681 2.72 8.986 8.986 0 003.74.477m.94-3.197a5.971 5.971 0 00-.94 3.197M15 6.75a3 3 0 11-6 0 3 3 0 016 0zm6 3a2.25 2.25 0 11-4.5 0 2.25 2.25 0 014.5 0zm-13.5 0a2.25 2.25 0 11-4.5 0 2.25 2.25 0 014.5 0z"
-                    />
-                  </svg>
-                  <span class="text-xs">{{ t('admin.users.groups') }}</span>
-                </button>
-                <!-- View API Keys -->
-                <button
-                  @click="handleViewApiKeys(row)"
-                  class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-gray-500 transition-colors hover:bg-purple-50 hover:text-purple-600 dark:hover:bg-purple-900/20 dark:hover:text-purple-400"
-                >
-                  <svg
-                    class="h-4 w-4"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                    stroke-width="1.5"
-                  >
-                    <path
-                      stroke-linecap="round"
-                      stroke-linejoin="round"
-                      d="M15.75 5.25a3 3 0 013 3m3 0a6 6 0 01-7.029 5.912c-.563-.097-1.159.026-1.563.43L10.5 17.25H8.25v2.25H6v2.25H2.25v-2.818c0-.597.237-1.17.659-1.591l6.499-6.499c.404-.404.527-1 .43-1.563A6 6 0 1121.75 8.25z"
-                    />
-                  </svg>
-                  <span class="text-xs">{{ t('admin.users.apiKeys') }}</span>
-                </button>
-                <!-- Deposit -->
-                <button
-                  @click="handleDeposit(row)"
-                  class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-gray-500 transition-colors hover:bg-emerald-50 hover:text-emerald-600 dark:hover:bg-emerald-900/20 dark:hover:text-emerald-400"
-                >
-                  <svg
-                    class="h-4 w-4"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                    stroke-width="1.5"
-                  >
-                    <path stroke-linecap="round" stroke-linejoin="round" d="M12 4.5v15m7.5-7.5h-15" />
-                  </svg>
-                  <span class="text-xs">{{ t('admin.users.deposit') }}</span>
-                </button>
-                <!-- Withdraw -->
-                <button
-                  @click="handleWithdraw(row)"
-                  class="flex flex-col items-center gap-0.5 rounded-lg p-1.5 text-gray-500 transition-colors hover:bg-red-50 hover:text-red-600 dark:hover:bg-red-900/20 dark:hover:text-red-400"
-                >
-                  <svg
-                    class="h-4 w-4"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                    stroke-width="1.5"
-                  >
-                    <path stroke-linecap="round" stroke-linejoin="round" d="M5 12h14" />
-                  </svg>
-                  <span class="text-xs">{{ t('admin.users.withdraw') }}</span>
-                </button>
-              </template>
             </div>
           </template>
 
@@ -379,18 +264,121 @@
         :total="pagination.total"
         :page-size="pagination.page_size"
         @update:page="handlePageChange"
+        @update:pageSize="handlePageSizeChange"
       />
       </template>
     </TablePageLayout>
 
+    <!-- Action Menu (Teleported) -->
+    <Teleport to="body">
+      <div
+        v-if="activeMenuId !== null && menuPosition"
+        class="action-menu-content fixed z-[9999] w-48 overflow-hidden rounded-xl bg-white shadow-lg ring-1 ring-black/5 dark:bg-dark-800 dark:ring-white/10"
+        :style="{ top: menuPosition.top + 'px', left: menuPosition.left + 'px' }"
+      >
+        <div class="py-1">
+          <template v-for="user in users" :key="user.id">
+            <template v-if="user.id === activeMenuId">
+              <!-- View API Keys -->
+              <button
+                @click="handleViewApiKeys(user); closeActionMenu()"
+                class="flex w-full items-center gap-2 px-4 py-2 text-sm text-gray-700 hover:bg-gray-100 dark:text-gray-300 dark:hover:bg-dark-700"
+              >
+                <svg class="h-4 w-4 text-gray-400" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 7a2 2 0 012 2m4 0a6 6 0 01-7.743 5.743L11.536 16.207l-1.414 1.414a2 2 0 01-2.828 0l-1.414-1.414a2 2 0 010-2.828l-1.414-1.414a2 2 0 010-2.828l1.414-1.414L10.257 6.257A6 6 0 1121 11.257V11.257" />
+                </svg>
+                {{ t('admin.users.apiKeys') }}
+              </button>
+
+              <!-- Allowed Groups -->
+              <button
+                @click="handleAllowedGroups(user); closeActionMenu()"
+                class="flex w-full items-center gap-2 px-4 py-2 text-sm text-gray-700 hover:bg-gray-100 dark:text-gray-300 dark:hover:bg-dark-700"
+              >
+                <svg class="h-4 w-4 text-gray-400" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M17 20h5v-2a3 3 0 00-5.356-1.857M17 20H7m10 0v-2c0-.656-.126-1.283-.356-1.857M7 20H2v-2a3 3 0 015.356-1.857M7 20v-2c0-.656.126-1.283.356-1.857m0 0a5.002 5.002 0 019.288 0M15 7a3 3 0 11-6 0 3 3 0 016 0zm6 3a2 2 0 11-4 0 2 2 0 014 0zM7 10a2 2 0 11-4 0 2 2 0 014 0z" />
+                </svg>
+                {{ t('admin.users.groups') }}
+              </button>
+
+              <div class="my-1 border-t border-gray-100 dark:border-dark-700"></div>
+
+              <!-- Deposit -->
+              <button
+                @click="handleDeposit(user); closeActionMenu()"
+                class="flex w-full items-center gap-2 px-4 py-2 text-sm text-gray-700 hover:bg-gray-100 dark:text-gray-300 dark:hover:bg-dark-700"
+              >
+                <svg class="h-4 w-4 text-emerald-500" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 6v6m0 0v6m0-6h6m-6 0H6" />
+                </svg>
+                {{ t('admin.users.deposit') }}
+              </button>
+
+              <!-- Withdraw -->
+              <button
+                @click="handleWithdraw(user); closeActionMenu()"
+                class="flex w-full items-center gap-2 px-4 py-2 text-sm text-gray-700 hover:bg-gray-100 dark:text-gray-300 dark:hover:bg-dark-700"
+              >
+                <svg class="h-4 w-4 text-amber-500" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M20 12H4" />
+                </svg>
+                {{ t('admin.users.withdraw') }}
+              </button>
+
+              <div class="my-1 border-t border-gray-100 dark:border-dark-700"></div>
+
+              <!-- Toggle Status (not for admin) -->
+              <button
+                v-if="user.role !== 'admin'"
+                @click="handleToggleStatus(user); closeActionMenu()"
+                class="flex w-full items-center gap-2 px-4 py-2 text-sm text-gray-700 hover:bg-gray-100 dark:text-gray-300 dark:hover:bg-dark-700"
+              >
+                <svg
+                  v-if="user.status === 'active'"
+                  class="h-4 w-4 text-orange-500"
+                  fill="none"
+                  viewBox="0 0 24 24"
+                  stroke="currentColor"
+                >
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M18.364 18.364A9 9 0 005.636 5.636m12.728 12.728A9 9 0 015.636 5.636m12.728 12.728L5.636 5.636" />
+                </svg>
+                <svg
+                  v-else
+                  class="h-4 w-4 text-green-500"
+                  fill="none"
+                  viewBox="0 0 24 24"
+                  stroke="currentColor"
+                >
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z" />
+                </svg>
+                {{ user.status === 'active' ? t('admin.users.disable') : t('admin.users.enable') }}
+              </button>
+
+              <!-- Delete (not for admin) -->
+              <button
+                v-if="user.role !== 'admin'"
+                @click="handleDelete(user); closeActionMenu()"
+                class="flex w-full items-center gap-2 px-4 py-2 text-sm text-red-600 hover:bg-red-50 dark:text-red-400 dark:hover:bg-red-900/20"
+              >
+                <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" />
+                </svg>
+                {{ t('common.delete') }}
+              </button>
+            </template>
+          </template>
+        </div>
+      </div>
+    </Teleport>
+
     <!-- Create User Modal -->
-    <Modal
+    <BaseDialog
       :show="showCreateModal"
       :title="t('admin.users.createUser')"
-      size="lg"
+      width="normal"
       @close="closeCreateModal"
     >
-      <form @submit.prevent="handleCreateUser" class="space-y-5">
+      <form id="create-user-form" @submit.prevent="handleCreateUser" class="space-y-5">
         <div>
           <label class="input-label">{{ t('admin.users.email') }}</label>
           <input
@@ -512,12 +500,19 @@
             <input v-model.number="createForm.concurrency" type="number" class="input" />
           </div>
         </div>
+      </form>
 
-        <div class="flex justify-end gap-3 pt-4">
+      <template #footer>
+        <div class="flex justify-end gap-3">
           <button @click="closeCreateModal" type="button" class="btn btn-secondary">
             {{ t('common.cancel') }}
           </button>
-          <button type="submit" :disabled="submitting" class="btn btn-primary">
+          <button
+            type="submit"
+            form="create-user-form"
+            :disabled="submitting"
+            class="btn btn-primary"
+          >
             <svg
               v-if="submitting"
               class="-ml-1 mr-2 h-4 w-4 animate-spin"
@@ -541,17 +536,22 @@
             {{ submitting ? t('admin.users.creating') : t('common.create') }}
           </button>
         </div>
-      </form>
+      </template>
-    </Modal>
+    </BaseDialog>
 
     <!-- Edit User Modal -->
-    <Modal
+    <BaseDialog
       :show="showEditModal"
       :title="t('admin.users.editUser')"
-      size="lg"
+      width="normal"
       @close="closeEditModal"
     >
-      <form v-if="editingUser" @submit.prevent="handleUpdateUser" class="space-y-5">
+      <form
+        v-if="editingUser"
+        id="edit-user-form"
+        @submit.prevent="handleUpdateUser"
+        class="space-y-5"
+      >
         <div>
           <label class="input-label">{{ t('admin.users.email') }}</label>
           <input v-model="editForm.email" type="email" class="input" />
@@ -664,11 +664,19 @@
           <input v-model.number="editForm.concurrency" type="number" class="input" />
         </div>
 
-        <div class="flex justify-end gap-3 pt-4">
+      </form>
+
+      <template #footer>
+        <div class="flex justify-end gap-3">
           <button @click="closeEditModal" type="button" class="btn btn-secondary">
             {{ t('common.cancel') }}
           </button>
-          <button type="submit" :disabled="submitting" class="btn btn-primary">
+          <button
+            type="submit"
+            form="edit-user-form"
+            :disabled="submitting"
+            class="btn btn-primary"
+          >
             <svg
               v-if="submitting"
               class="-ml-1 mr-2 h-4 w-4 animate-spin"
@@ -692,14 +700,14 @@
             {{ submitting ? t('admin.users.updating') : t('common.update') }}
           </button>
         </div>
-      </form>
+      </template>
-    </Modal>
+    </BaseDialog>
 
     <!-- View API Keys Modal -->
-    <Modal
+    <BaseDialog
       :show="showApiKeysModal"
       :title="t('admin.users.userApiKeys')"
-      size="xl"
+      width="wide"
       @close="closeApiKeysModal"
     >
       <div v-if="viewingUser" class="space-y-4">
@@ -828,13 +836,13 @@
           </button>
         </div>
       </template>
-    </Modal>
+    </BaseDialog>
 
     <!-- Allowed Groups Modal -->
-    <Modal
+    <BaseDialog
       :show="showAllowedGroupsModal"
       :title="t('admin.users.setAllowedGroups')"
-      size="lg"
+      width="normal"
       @close="closeAllowedGroupsModal"
     >
       <div v-if="allowedGroupsUser" class="space-y-4">
@@ -994,16 +1002,21 @@
           </button>
         </div>
       </template>
-    </Modal>
+    </BaseDialog>
 
     <!-- Deposit/Withdraw Modal -->
-    <Modal
+    <BaseDialog
       :show="showBalanceModal"
       :title="balanceOperation === 'add' ? t('admin.users.deposit') : t('admin.users.withdraw')"
-      size="md"
+      width="narrow"
       @close="closeBalanceModal"
     >
-      <form v-if="balanceUser" @submit.prevent="handleBalanceSubmit" class="space-y-5">
+      <form
+        v-if="balanceUser"
+        id="balance-form"
+        @submit.prevent="handleBalanceSubmit"
+        class="space-y-5"
+      >
         <div class="flex items-center gap-3 rounded-xl bg-gray-50 p-4 dark:bg-dark-700">
           <div
             class="flex h-10 w-10 items-center justify-center rounded-full bg-primary-100 dark:bg-primary-900/30"
@@ -1098,12 +1111,16 @@
           </div>
         </div>
 
-        <div class="flex justify-end gap-3 pt-4">
+      </form>
+
+      <template #footer>
+        <div class="flex justify-end gap-3">
           <button @click="closeBalanceModal" type="button" class="btn btn-secondary">
             {{ t('common.cancel') }}
           </button>
           <button
             type="submit"
+            form="balance-form"
             :disabled="
               balanceSubmitting ||
               !balanceForm.amount ||
@@ -1148,8 +1165,8 @@
             }}
           </button>
         </div>
-      </form>
+      </template>
-    </Modal>
+    </BaseDialog>
 
     <!-- Delete Confirmation Dialog -->
     <ConfirmDialog
@@ -1166,7 +1183,7 @@
 </template>
 
 <script setup lang="ts">
-import { ref, reactive, computed, onMounted } from 'vue'
+import { ref, reactive, computed, onMounted, onUnmounted, type ComponentPublicInstance } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { useAppStore } from '@/stores/app'
 import { useClipboard } from '@/composables/useClipboard'
@@ -1181,7 +1198,7 @@ import AppLayout from '@/components/layout/AppLayout.vue'
 import TablePageLayout from '@/components/layout/TablePageLayout.vue'
 import DataTable from '@/components/common/DataTable.vue'
 import Pagination from '@/components/common/Pagination.vue'
-import Modal from '@/components/common/Modal.vue'
+import BaseDialog from '@/components/common/BaseDialog.vue'
 import ConfirmDialog from '@/components/common/ConfirmDialog.vue'
 import EmptyState from '@/components/common/EmptyState.vue'
 import Select from '@/components/common/Select.vue'
@@ -1244,6 +1261,63 @@ const viewingUser = ref<User | null>(null)
 const userApiKeys = ref<ApiKey[]>([])
 const loadingApiKeys = ref(false)
 const passwordCopied = ref(false)
+let abortController: AbortController | null = null
+
+// Action Menu State
+const activeMenuId = ref<number | null>(null)
+const menuPosition = ref<{ top: number; left: number } | null>(null)
+const actionButtonRefs = ref<Map<number, HTMLElement>>(new Map())
+
+const setActionButtonRef = (userId: number, el: Element | ComponentPublicInstance | null) => {
+  if (el instanceof HTMLElement) {
+    actionButtonRefs.value.set(userId, el)
+  } else {
+    actionButtonRefs.value.delete(userId)
+  }
+}
+
+const openActionMenu = (user: User) => {
+  if (activeMenuId.value === user.id) {
+    closeActionMenu()
+  } else {
+    const buttonEl = actionButtonRefs.value.get(user.id)
+    if (buttonEl) {
+      const rect = buttonEl.getBoundingClientRect()
+      const menuWidth = 192
+      const menuHeight = 240
+      const padding = 8
+      const viewportWidth = window.innerWidth
+      const viewportHeight = window.innerHeight
+      const left = Math.min(
+        Math.max(rect.right - menuWidth, padding),
+        Math.max(viewportWidth - menuWidth - padding, padding)
+      )
+      let top = rect.bottom + 4
+      if (top + menuHeight > viewportHeight - padding) {
+        top = Math.max(rect.top - menuHeight - 4, padding)
+      }
+      // Position menu near the trigger, clamped to viewport
+      menuPosition.value = {
+        top,
+        left
+      }
+    }
+    activeMenuId.value = user.id
+  }
+}
+
+const closeActionMenu = () => {
+  activeMenuId.value = null
+  menuPosition.value = null
+}
+
+// Close menu when clicking outside
+const handleClickOutside = (event: MouseEvent) => {
+  const target = event.target as HTMLElement
+  if (!target.closest('.action-menu-trigger') && !target.closest('.action-menu-content')) {
+    closeActionMenu()
+  }
+}
 
 // Allowed groups modal state
 const showAllowedGroupsModal = ref(false)
@@ -1331,13 +1405,25 @@ const copyEditPassword = async () => {
 }
 
 const loadUsers = async () => {
+  abortController?.abort()
+  const currentAbortController = new AbortController()
+  abortController = currentAbortController
+  const { signal } = currentAbortController
   loading.value = true
   try {
-    const response = await adminAPI.users.list(pagination.page, pagination.page_size, {
+    const response = await adminAPI.users.list(
-      role: filters.role as any,
+      pagination.page,
-      status: filters.status as any,
+      pagination.page_size,
-      search: searchQuery.value || undefined
+      {
-    })
+        role: filters.role as any,
+        status: filters.status as any,
+        search: searchQuery.value || undefined
+      },
+      { signal }
+    )
+    if (signal.aborted) {
+      return
+    }
     users.value = response.items
     pagination.total = response.total
     pagination.pages = response.pages
@@ -1347,16 +1433,28 @@ const loadUsers = async () => {
       const userIds = response.items.map((u) => u.id)
       try {
         const usageResponse = await adminAPI.dashboard.getBatchUsersUsage(userIds)
+        if (signal.aborted) {
+          return
+        }
         usageStats.value = usageResponse.stats
       } catch (e) {
+        if (signal.aborted) {
+          return
+        }
         console.error('Failed to load usage stats:', e)
       }
     }
   } catch (error) {
+    const errorInfo = error as { name?: string; code?: string }
+    if (errorInfo?.name === 'AbortError' || errorInfo?.name === 'CanceledError' || errorInfo?.code === 'ERR_CANCELED') {
+      return
+    }
     appStore.showError(t('admin.users.failedToLoad'))
     console.error('Error loading users:', error)
   } finally {
-    loading.value = false
+    if (abortController === currentAbortController) {
+      loading.value = false
+    }
   }
 }
 
@@ -1374,6 +1472,12 @@ const handlePageChange = (page: number) => {
   loadUsers()
 }
 
+const handlePageSizeChange = (pageSize: number) => {
+  pagination.page_size = pageSize
+  pagination.page = 1
+  loadUsers()
+}
+
 const closeCreateModal = () => {
   showCreateModal.value = false
   createForm.email = ''
@@ -1620,5 +1724,10 @@ const handleBalanceSubmit = async () => {
 
 onMounted(() => {
   loadUsers()
+  document.addEventListener('click', handleClickOutside)
+})
+
+onUnmounted(() => {
+  document.removeEventListener('click', handleClickOutside)
 })
 </script>

frontend/src/views/auth/LoginView.vue

@@ -39,6 +39,7 @@
               v-model="formData.email"
               type="email"
               required
+              autofocus
               autocomplete="email"
               :disabled="isLoading"
               class="input pl-11"

frontend/src/views/auth/RegisterView.vue

@@ -66,6 +66,7 @@
               v-model="formData.email"
               type="email"
               required
+              autofocus
               autocomplete="email"
               :disabled="isLoading"
               class="input pl-11"

frontend/src/views/setup/SetupWizardView.vue

@@ -563,13 +563,13 @@ const installing = ref(false)
 const confirmPassword = ref('')
 const serviceReady = ref(false)
 
-// Get current server port from browser location (set by install.sh)
+// Default server port
 const getCurrentPort = (): number => {
   const port = window.location.port
   if (port) {
     return parseInt(port, 10)
   }
-  // Default port based on protocol
+
   return window.location.protocol === 'https:' ? 443 : 80
 }
 
@@ -674,42 +674,35 @@ async function performInstall() {
 
 // Wait for service to restart and become available
 async function waitForServiceRestart() {
-  const maxAttempts = 30 // 30 attempts, ~30 seconds max
+  const maxAttempts = 60 // Increase to 60 attempts, ~60 seconds max
   const interval = 1000 // 1 second between attempts
 
   // Wait a moment for the service to start restarting
-  await new Promise((resolve) => setTimeout(resolve, 2000))
+  await new Promise((resolve) => setTimeout(resolve, 3000))
 
   for (let attempt = 0; attempt < maxAttempts; attempt++) {
     try {
-      // Try to access the health endpoint
+      // Use setup status endpoint as it tells us the real mode
-      const response = await fetch('/health', {
+      // Service might return 404 or connection refused while restarting
+      const response = await fetch('/setup/status', {
         method: 'GET',
         cache: 'no-store'
       })
 
       if (response.ok) {
-        // Service is up, check if setup is no longer needed
+        const data = await response.json()
-        const statusResponse = await fetch('/setup/status', {
+        // If needs_setup is false, service has restarted in normal mode
-          method: 'GET',
+        if (data.data && !data.data.needs_setup) {
-          cache: 'no-store'
+          serviceReady.value = true
-        })
+          // Redirect to login page after a short delay
-
+          setTimeout(() => {
-        if (statusResponse.ok) {
+            window.location.href = '/login'
-          const data = await statusResponse.json()
+          }, 1500)
-          // If needs_setup is false, service has restarted in normal mode
+          return
-          if (data.data && !data.data.needs_setup) {
-            serviceReady.value = true
-            // Redirect to login page after a short delay
-            setTimeout(() => {
-              window.location.href = '/login'
-            }, 1500)
-            return
-          }
         }
       }
     } catch {
-      // Service not ready yet, continue polling
+      // Service not ready or network error during restart, continue polling
     }
 
     await new Promise((resolve) => setTimeout(resolve, interval))

frontend/src/views/user/DashboardView.vue

@@ -10,7 +10,7 @@
         <!-- Row 1: Core Stats -->
         <div class="grid grid-cols-2 gap-4 lg:grid-cols-4">
           <!-- Balance -->
-          <div class="card p-4">
+          <div v-if="!authStore.isSimpleMode" class="card p-4">
             <div class="flex items-center gap-3">
               <div class="rounded-lg bg-emerald-100 p-2 dark:bg-emerald-900/30">
                 <svg
@@ -322,7 +322,13 @@
           <!-- Charts Grid -->
           <div class="grid grid-cols-1 gap-6 lg:grid-cols-2">
             <!-- Model Distribution Chart -->
-            <div class="card p-4">
+            <div class="card relative overflow-hidden p-4">
+              <div
+                v-if="loadingCharts"
+                class="absolute inset-0 z-10 flex items-center justify-center bg-white/50 backdrop-blur-sm dark:bg-dark-800/50"
+              >
+                <LoadingSpinner size="md" />
+              </div>
               <h3 class="mb-4 text-sm font-semibold text-gray-900 dark:text-white">
                 {{ t('dashboard.modelDistribution') }}
               </h3>
@@ -330,6 +336,7 @@
                 <div class="h-48 w-48">
                   <Doughnut
                     v-if="modelChartData"
+                    ref="modelChartRef"
                     :data="modelChartData"
                     :options="doughnutOptions"
                   />
@@ -383,12 +390,23 @@
             </div>
 
             <!-- Token Usage Trend Chart -->
-            <div class="card p-4">
+            <div class="card relative overflow-hidden p-4">
+              <div
+                v-if="loadingCharts"
+                class="absolute inset-0 z-10 flex items-center justify-center bg-white/50 backdrop-blur-sm dark:bg-dark-800/50"
+              >
+                <LoadingSpinner size="md" />
+              </div>
               <h3 class="mb-4 text-sm font-semibold text-gray-900 dark:text-white">
                 {{ t('dashboard.tokenUsageTrend') }}
               </h3>
               <div class="h-48">
-                <Line v-if="trendChartData" :data="trendChartData" :options="lineOptions" />
+                <Line
+                  v-if="trendChartData"
+                  ref="trendChartRef"
+                  :data="trendChartData"
+                  :options="lineOptions"
+                />
                 <div
                   v-else
                   class="flex h-full items-center justify-center text-sm text-gray-500 dark:text-gray-400"
@@ -645,10 +663,11 @@
 </template>
 
 <script setup lang="ts">
-import { ref, computed, onMounted, watch } from 'vue'
+import { ref, computed, onMounted, watch, nextTick } from 'vue'
 import { useRouter } from 'vue-router'
 import { useI18n } from 'vue-i18n'
 import { useAuthStore } from '@/stores/auth'
+import { useSubscriptionStore } from '@/stores/subscriptions'
 import { formatDateTime } from '@/utils/format'
 
 const { t } = useI18n()
@@ -689,23 +708,39 @@ ChartJS.register(
 
 const router = useRouter()
 const authStore = useAuthStore()
+const subscriptionStore = useSubscriptionStore()
 
 const user = computed(() => authStore.user)
 const stats = ref<UserDashboardStats | null>(null)
 const loading = ref(false)
 const loadingUsage = ref(false)
+const loadingCharts = ref(false)
+
+type ChartComponentRef = { chart?: ChartJS }
 
 // Chart data
 const trendData = ref<TrendDataPoint[]>([])
 const modelStats = ref<ModelStat[]>([])
+const modelChartRef = ref<ChartComponentRef | null>(null)
+const trendChartRef = ref<ChartComponentRef | null>(null)
 
 // Recent usage
 const recentUsage = ref<UsageLog[]>([])
 
+// Helper function to format date in local timezone
+const formatLocalDate = (date: Date): string => {
+  return `${date.getFullYear()}-${String(date.getMonth() + 1).padStart(2, '0')}-${String(date.getDate()).padStart(2, '0')}`
+}
+
+// Initialize date range immediately (not in onMounted)
+const now = new Date()
+const weekAgo = new Date(now)
+weekAgo.setDate(weekAgo.getDate() - 6)
+
 // Date range
 const granularity = ref<'day' | 'hour'>('day')
-const startDate = ref('')
+const startDate = ref(formatLocalDate(weekAgo))
-const endDate = ref('')
+const endDate = ref(formatLocalDate(now))
 
 // Granularity options for Select component
 const granularityOptions = computed(() => [
@@ -938,18 +973,6 @@ const onDateRangeChange = (range: {
   loadChartData()
 }
 
-// Initialize default date range
-const initializeDateRange = () => {
-  const now = new Date()
-  const today = now.toISOString().split('T')[0]
-  const weekAgo = new Date(now)
-  weekAgo.setDate(weekAgo.getDate() - 6)
-
-  startDate.value = weekAgo.toISOString().split('T')[0]
-  endDate.value = today
-  granularity.value = 'day'
-}
-
 // Load data
 const loadDashboardStats = async () => {
   loading.value = true
@@ -964,6 +987,7 @@ const loadDashboardStats = async () => {
 }
 
 const loadChartData = async () => {
+  loadingCharts.value = true
   try {
     const params = {
       start_date: startDate.value,
@@ -981,19 +1005,19 @@ const loadChartData = async () => {
     modelStats.value = modelResponse.models || []
   } catch (error) {
     console.error('Error loading chart data:', error)
+  } finally {
+    loadingCharts.value = false
   }
 }
 
 const loadRecentUsage = async () => {
   loadingUsage.value = true
   try {
-    // 后端 /usage 查询参数 start_date/end_date 仅接受 YYYY-MM-DD（见 backend usage handler 的校验逻辑）。
+    // Use local timezone instead of UTC
-    // 同时后端会将 end_date 自动扩展到当天 23:59:59.999...，因此前端只需要传「日期」即可。
-    // 注意：toISOString() 生成的是 UTC 日期字符串；如果需要按本地/服务端时区对齐统计口径，
-    // 请改用时区感知的日期格式化方法（例如 Intl.DateTimeFormat 指定 timeZone）。
     const now = new Date()
-    const endDate = now.toISOString().split('T')[0]
+    const endDate = `${now.getFullYear()}-${String(now.getMonth() + 1).padStart(2, '0')}-${String(now.getDate()).padStart(2, '0')}`
-    const startDate = new Date(Date.now() - 7 * 24 * 60 * 60 * 1000).toISOString().split('T')[0]
+    const weekAgo = new Date(Date.now() - 7 * 24 * 60 * 60 * 1000)
+    const startDate = `${weekAgo.getFullYear()}-${String(weekAgo.getMonth() + 1).padStart(2, '0')}-${String(weekAgo.getDate()).padStart(2, '0')}`
     const usageResponse = await usageAPI.getByDateRange(startDate, endDate)
     recentUsage.value = usageResponse.items.slice(0, 5)
   } catch (error) {
@@ -1003,16 +1027,27 @@ const loadRecentUsage = async () => {
   }
 }
 
-onMounted(() => {
+onMounted(async () => {
-  loadDashboardStats()
+  // Load critical data first
-  initializeDateRange()
+  await loadDashboardStats()
-  loadChartData()
+
-  loadRecentUsage()
+  // Force refresh subscription status when entering dashboard (bypass cache)
+  subscriptionStore.fetchActiveSubscriptions(true).catch((error) => {
+    console.error('Failed to refresh subscription status:', error)
+  })
+
+  // Load chart data and recent usage in parallel (non-critical)
+  Promise.all([loadChartData(), loadRecentUsage()]).catch((error) => {
+    console.error('Error loading secondary data:', error)
+  })
 })
 
 // Watch for dark mode changes
 watch(isDarkMode, () => {
-  // Force chart re-render on theme change
+  nextTick(() => {
+    modelChartRef.value?.chart?.update()
+    trendChartRef.value?.chart?.update()
+  })
 })
 </script>
 

frontend/src/views/user/KeysView.vue

@@ -292,17 +292,19 @@
           :total="pagination.total"
           :page-size="pagination.page_size"
           @update:page="handlePageChange"
+          @update:pageSize="handlePageSizeChange"
         />
       </template>
     </TablePageLayout>
 
     <!-- Create/Edit Modal -->
-    <Modal
+    <BaseDialog
       :show="showCreateModal || showEditModal"
       :title="showEditModal ? t('keys.editKey') : t('keys.createKey')"
+      width="narrow"
       @close="closeModals"
     >
-      <form @submit.prevent="handleSubmit" class="space-y-5">
+      <form id="key-form" @submit.prevent="handleSubmit" class="space-y-5">
         <div>
           <label class="input-label">{{ t('keys.nameLabel') }}</label>
           <input
@@ -383,12 +385,13 @@
             :placeholder="t('keys.selectStatus')"
           />
         </div>
-
+      </form>
-        <div class="flex justify-end gap-3 pt-4">
+      <template #footer>
+        <div class="flex justify-end gap-3">
           <button @click="closeModals" type="button" class="btn btn-secondary">
             {{ t('common.cancel') }}
           </button>
-          <button type="submit" :disabled="submitting" class="btn btn-primary">
+          <button form="key-form" type="submit" :disabled="submitting" class="btn btn-primary">
             <svg
               v-if="submitting"
               class="-ml-1 mr-2 h-4 w-4 animate-spin"
@@ -418,8 +421,8 @@
             }}
           </button>
         </div>
-      </form>
+      </template>
-    </Modal>
+    </BaseDialog>
 
     <!-- Delete Confirmation Dialog -->
     <ConfirmDialog
@@ -501,7 +504,7 @@ import AppLayout from '@/components/layout/AppLayout.vue'
 import TablePageLayout from '@/components/layout/TablePageLayout.vue'
 import DataTable from '@/components/common/DataTable.vue'
 import Pagination from '@/components/common/Pagination.vue'
-import Modal from '@/components/common/Modal.vue'
+import BaseDialog from '@/components/common/BaseDialog.vue'
 import ConfirmDialog from '@/components/common/ConfirmDialog.vue'
 import EmptyState from '@/components/common/EmptyState.vue'
 import Select from '@/components/common/Select.vue'
@@ -557,6 +560,7 @@ const publicSettings = ref<PublicSettings | null>(null)
 const dropdownRef = ref<HTMLElement | null>(null)
 const dropdownPosition = ref<{ top: number; left: number } | null>(null)
 const groupButtonRefs = ref<Map<number, HTMLElement>>(new Map())
+let abortController: AbortController | null = null
 
 // Get the currently selected key for group change
 const selectedKeyForGroup = computed(() => {
@@ -623,14 +627,27 @@ const copyToClipboard = async (text: string, keyId: number) => {
     copiedKeyId.value = keyId
     setTimeout(() => {
       copiedKeyId.value = null
-    }, 2000)
+    }, 800)
   }
 }
 
+const isAbortError = (error: unknown) => {
+  if (!error || typeof error !== 'object') return false
+  const { name, code } = error as { name?: string; code?: string }
+  return name === 'AbortError' || code === 'ERR_CANCELED'
+}
+
 const loadApiKeys = async () => {
+  abortController?.abort()
+  const controller = new AbortController()
+  abortController = controller
+  const { signal } = controller
   loading.value = true
   try {
-    const response = await keysAPI.list(pagination.value.page, pagination.value.page_size)
+    const response = await keysAPI.list(pagination.value.page, pagination.value.page_size, {
+      signal
+    })
+    if (signal.aborted) return
     apiKeys.value = response.items
     pagination.value.total = response.total
     pagination.value.pages = response.pages
@@ -639,16 +656,24 @@ const loadApiKeys = async () => {
     if (response.items.length > 0) {
       const keyIds = response.items.map((k) => k.id)
       try {
-        const usageResponse = await usageAPI.getDashboardApiKeysUsage(keyIds)
+        const usageResponse = await usageAPI.getDashboardApiKeysUsage(keyIds, { signal })
+        if (signal.aborted) return
         usageStats.value = usageResponse.stats
       } catch (e) {
-        console.error('Failed to load usage stats:', e)
+        if (!isAbortError(e)) {
+          console.error('Failed to load usage stats:', e)
+        }
       }
     }
   } catch (error) {
+    if (isAbortError(error)) {
+      return
+    }
     appStore.showError(t('keys.failedToLoad'))
   } finally {
-    loading.value = false
+    if (abortController === controller) {
+      loading.value = false
+    }
   }
 }
 
@@ -683,6 +708,12 @@ const handlePageChange = (page: number) => {
   loadApiKeys()
 }
 
+const handlePageSizeChange = (pageSize: number) => {
+  pagination.value.page_size = pageSize
+  pagination.value.page = 1
+  loadApiKeys()
+}
+
 const editKey = (key: ApiKey) => {
   selectedKey.value = key
   formData.value = {

frontend/src/views/user/ProfileView.vue

@@ -244,6 +244,12 @@
                 autocomplete="new-password"
                 class="input"
               />
+              <p
+                v-if="passwordForm.new_password && passwordForm.confirm_password && passwordForm.new_password !== passwordForm.confirm_password"
+                class="input-error-text"
+              >
+                {{ t('profile.passwordsNotMatch') }}
+              </p>
             </div>
 
             <div class="flex justify-end pt-4">
@@ -392,6 +398,12 @@ const handleChangePassword = async () => {
 }
 
 const handleUpdateProfile = async () => {
+  // Basic validation
+  if (!profileForm.value.username.trim()) {
+    appStore.showError(t('profile.usernameRequired'))
+    return
+  }
+
   updatingProfile.value = true
   try {
     const updatedUser = await userAPI.updateProfile({

frontend/src/views/user/RedeemView.vue

@@ -445,6 +445,7 @@ import { ref, computed, onMounted } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { useAuthStore } from '@/stores/auth'
 import { useAppStore } from '@/stores/app'
+import { useSubscriptionStore } from '@/stores/subscriptions'
 import { redeemAPI, authAPI, type RedeemHistoryItem } from '@/api'
 import AppLayout from '@/components/layout/AppLayout.vue'
 import { formatDateTime } from '@/utils/format'
@@ -452,6 +453,7 @@ import { formatDateTime } from '@/utils/format'
 const { t } = useI18n()
 const authStore = useAuthStore()
 const appStore = useAppStore()
+const subscriptionStore = useSubscriptionStore()
 
 const user = computed(() => authStore.user)
 
@@ -544,6 +546,16 @@ const handleRedeem = async () => {
     // Refresh user data to get updated balance/concurrency
     await authStore.refreshUser()
 
+    // If subscription type, immediately refresh subscription status
+    if (result.type === 'subscription') {
+      try {
+        await subscriptionStore.fetchActiveSubscriptions(true) // force refresh
+      } catch (error) {
+        console.error('Failed to refresh subscriptions after redeem:', error)
+        appStore.showWarning(t('redeem.subscriptionRefreshFailed'))
+      }
+    }
+
     // Clear the input
     redeemCode.value = ''
 

frontend/src/views/user/UsageView.vue

@@ -164,8 +164,28 @@
               <button @click="resetFilters" class="btn btn-secondary">
                 {{ t('common.reset') }}
               </button>
-              <button @click="exportToCSV" class="btn btn-primary">
+              <button @click="exportToCSV" :disabled="exporting" class="btn btn-primary">
-                {{ t('usage.exportCsv') }}
+                <svg
+                  v-if="exporting"
+                  class="-ml-1 mr-2 h-4 w-4 animate-spin"
+                  fill="none"
+                  viewBox="0 0 24 24"
+                >
+                  <circle
+                    class="opacity-25"
+                    cx="12"
+                    cy="12"
+                    r="10"
+                    stroke="currentColor"
+                    stroke-width="4"
+                  ></circle>
+                  <path
+                    class="opacity-75"
+                    fill="currentColor"
+                    d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
+                  ></path>
+                </svg>
+                {{ exporting ? t('usage.exporting') : t('usage.exportCsv') }}
               </button>
             </div>
           </div>
@@ -366,6 +386,7 @@
           :total="pagination.total"
           :page-size="pagination.page_size"
           @update:page="handlePageChange"
+          @update:pageSize="handlePageSizeChange"
         />
       </template>
     </TablePageLayout>
@@ -412,7 +433,7 @@
 </template>
 
 <script setup lang="ts">
-import { ref, computed, onMounted } from 'vue'
+import { ref, computed, reactive, onMounted } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { useAppStore } from '@/stores/app'
 import { usageAPI, keysAPI } from '@/api'
@@ -430,6 +451,8 @@ import { formatDateTime } from '@/utils/format'
 const { t } = useI18n()
 const appStore = useAppStore()
 
+let abortController: AbortController | null = null
+
 // Tooltip state
 const tooltipVisible = ref(false)
 const tooltipPosition = ref({ x: 0, y: 0 })
@@ -453,6 +476,7 @@ const columns = computed<Column[]>(() => [
 const usageLogs = ref<UsageLog[]>([])
 const apiKeys = ref<ApiKey[]>([])
 const loading = ref(false)
+const exporting = ref(false)
 
 const apiKeyOptions = computed(() => {
   return [
@@ -464,9 +488,19 @@ const apiKeyOptions = computed(() => {
   ]
 })
 
+// Helper function to format date in local timezone
+const formatLocalDate = (date: Date): string => {
+  return `${date.getFullYear()}-${String(date.getMonth() + 1).padStart(2, '0')}-${String(date.getDate()).padStart(2, '0')}`
+}
+
+// Initialize date range immediately
+const now = new Date()
+const weekAgo = new Date(now)
+weekAgo.setDate(weekAgo.getDate() - 6)
+
 // Date range state
-const startDate = ref('')
+const startDate = ref(formatLocalDate(weekAgo))
-const endDate = ref('')
+const endDate = ref(formatLocalDate(now))
 
 const filters = ref<UsageQueryParams>({
   api_key_id: undefined,
@@ -474,18 +508,9 @@ const filters = ref<UsageQueryParams>({
   end_date: undefined
 })
 
-// Initialize default date range (last 7 days)
+// Initialize filters with date range
-const initializeDateRange = () => {
+filters.value.start_date = startDate.value
-  const now = new Date()
+filters.value.end_date = endDate.value
-  const today = now.toISOString().split('T')[0]
-  const weekAgo = new Date(now)
-  weekAgo.setDate(weekAgo.getDate() - 6)
-
-  startDate.value = weekAgo.toISOString().split('T')[0]
-  endDate.value = today
-  filters.value.start_date = startDate.value
-  filters.value.end_date = endDate.value
-}
 
 // Handle date range change from DateRangePicker
 const onDateRangeChange = (range: {
@@ -498,7 +523,7 @@ const onDateRangeChange = (range: {
   applyFilters()
 }
 
-const pagination = ref({
+const pagination = reactive({
   page: 1,
   page_size: 20,
   total: 0,
@@ -532,22 +557,40 @@ const formatCacheTokens = (value: number): string => {
 }
 
 const loadUsageLogs = async () => {
+  if (abortController) {
+    abortController.abort()
+  }
+  const currentAbortController = new AbortController()
+  abortController = currentAbortController
+  const { signal } = currentAbortController
   loading.value = true
   try {
     const params: UsageQueryParams = {
-      page: pagination.value.page,
+      page: pagination.page,
-      page_size: pagination.value.page_size,
+      page_size: pagination.page_size,
       ...filters.value
     }
 
-    const response = await usageAPI.query(params)
+    const response = await usageAPI.query(params, { signal })
+    if (signal.aborted) {
+      return
+    }
     usageLogs.value = response.items
-    pagination.value.total = response.total
+    pagination.total = response.total
-    pagination.value.pages = response.pages
+    pagination.pages = response.pages
   } catch (error) {
+    if (signal.aborted) {
+      return
+    }
+    const abortError = error as { name?: string; code?: string }
+    if (abortError?.name === 'AbortError' || abortError?.code === 'ERR_CANCELED') {
+      return
+    }
     appStore.showError(t('usage.failedToLoad'))
   } finally {
-    loading.value = false
+    if (abortController === currentAbortController) {
+      loading.value = false
+    }
   }
 }
 
@@ -575,7 +618,7 @@ const loadUsageStats = async () => {
 }
 
 const applyFilters = () => {
-  pagination.value.page = 1
+  pagination.page = 1
   loadUsageLogs()
   loadUsageStats()
 }
@@ -587,61 +630,135 @@ const resetFilters = () => {
     end_date: undefined
   }
   // Reset date range to default (last 7 days)
-  initializeDateRange()
+  const now = new Date()
-  pagination.value.page = 1
+  const weekAgo = new Date(now)
+  weekAgo.setDate(weekAgo.getDate() - 6)
+  startDate.value = formatLocalDate(weekAgo)
+  endDate.value = formatLocalDate(now)
+  filters.value.start_date = startDate.value
+  filters.value.end_date = endDate.value
+  pagination.page = 1
   loadUsageLogs()
   loadUsageStats()
 }
 
 const handlePageChange = (page: number) => {
-  pagination.value.page = page
+  pagination.page = page
   loadUsageLogs()
 }
 
-const exportToCSV = () => {
+const handlePageSizeChange = (pageSize: number) => {
-  if (usageLogs.value.length === 0) {
+  pagination.page_size = pageSize
+  pagination.page = 1
+  loadUsageLogs()
+}
+
+/**
+ * Escape CSV value to prevent injection and handle special characters
+ */
+const escapeCSVValue = (value: unknown): string => {
+  if (value == null) return ''
+
+  const str = String(value)
+  const escaped = str.replace(/"/g, '""')
+
+  // Prevent formula injection by prefixing dangerous characters with single quote
+  if (/^[=+\-@\t\r]/.test(str)) {
+    return `"\'${escaped}"`
+  }
+
+  // Escape values containing comma, quote, or newline
+  if (/[,"\n\r]/.test(str)) {
+    return `"${escaped}"`
+  }
+
+  return str
+}
+
+const exportToCSV = async () => {
+  if (pagination.total === 0) {
     appStore.showWarning(t('usage.noDataToExport'))
     return
   }
 
-  const headers = [
+  exporting.value = true
-    'Model',
+  appStore.showInfo(t('usage.preparingExport'))
-    'Type',
-    'Input Tokens',
-    'Output Tokens',
-    'Cache Read Tokens',
-    'Cache Write Tokens',
-    'Total Cost',
-    'Billing Type',
-    'First Token (ms)',
-    'Duration (ms)',
-    'Time'
-  ]
-  const rows = usageLogs.value.map((log) => [
-    log.model,
-    log.stream ? 'Stream' : 'Sync',
-    log.input_tokens,
-    log.output_tokens,
-    log.cache_read_tokens,
-    log.cache_creation_tokens,
-    log.total_cost.toFixed(6),
-    log.billing_type === 1 ? 'Subscription' : 'Balance',
-    log.first_token_ms ?? '',
-    log.duration_ms,
-    log.created_at
-  ])
 
-  const csvContent = [headers.join(','), ...rows.map((row) => row.join(','))].join('\n')
+  try {
+    const allLogs: UsageLog[] = []
+    const pageSize = 100 // Use a larger page size for export to reduce requests
+    const totalRequests = Math.ceil(pagination.total / pageSize)
 
-  const blob = new Blob([csvContent], { type: 'text/csv' })
+    for (let page = 1; page <= totalRequests; page++) {
-  const url = window.URL.createObjectURL(blob)
+      const params: UsageQueryParams = {
-  const link = document.createElement('a')
+        page: page,
-  link.href = url
+        page_size: pageSize,
-  link.download = `usage_${new Date().toISOString().split('T')[0]}.csv`
+        ...filters.value
-  link.click()
+      }
-  window.URL.revokeObjectURL(url)
+      const response = await usageAPI.query(params)
+      allLogs.push(...response.items)
+    }
 
-  appStore.showSuccess(t('usage.exportSuccess'))
+    if (allLogs.length === 0) {
+      appStore.showWarning(t('usage.noDataToExport'))
+      return
+    }
+
+    const headers = [
+      'Time',
+      'API Key Name',
+      'Model',
+      'Type',
+      'Input Tokens',
+      'Output Tokens',
+      'Cache Read Tokens',
+      'Cache Creation Tokens',
+      'Rate Multiplier',
+      'Billed Cost',
+      'Original Cost',
+      'Billing Type',
+      'First Token (ms)',
+      'Duration (ms)'
+    ]
+    const rows = allLogs.map((log) =>
+      [
+        log.created_at,
+        log.api_key?.name || '',
+        log.model,
+        log.stream ? 'Stream' : 'Sync',
+        log.input_tokens,
+        log.output_tokens,
+        log.cache_read_tokens,
+        log.cache_creation_tokens,
+        log.rate_multiplier,
+        log.actual_cost.toFixed(8),
+        log.total_cost.toFixed(8),
+        log.billing_type === 1 ? 'Subscription' : 'Balance',
+        log.first_token_ms ?? '',
+        log.duration_ms
+      ].map(escapeCSVValue)
+    )
+
+    const csvContent = [
+      headers.map(escapeCSVValue).join(','),
+      ...rows.map((row) => row.join(','))
+    ].join('\n')
+
+    const blob = new Blob([csvContent], { type: 'text/csv;charset=utf-8;' })
+    const url = window.URL.createObjectURL(blob)
+    const link = document.createElement('a')
+    link.href = url
+    link.download = `usage_${filters.value.start_date}_to_${filters.value.end_date}.csv`
+    link.click()
+    window.URL.revokeObjectURL(url)
+
+    appStore.showSuccess(t('usage.exportSuccess'))
+  } catch (error) {
+    appStore.showError(t('usage.exportFailed'))
+    console.error('CSV Export failed:', error)
+  } finally {
+    exporting.value = false
+  }
 }
 
 // Tooltip functions
@@ -662,7 +779,6 @@ const hideTooltip = () => {
 }
 
 onMounted(() => {
-  initializeDateRange()
   loadApiKeys()
   loadUsageLogs()
   loadUsageStats()