feat(table): 表格排序与搜索改为后端处理

backend/internal/handler/admin/account_handler.go

@@ -221,6 +221,8 @@ func (h *AccountHandler) List(c *gin.Context) {
 	status := c.Query("status")
 	search := c.Query("search")
 	privacyMode := strings.TrimSpace(c.Query("privacy_mode"))
+	sortBy := c.DefaultQuery("sort_by", "name")
+	sortOrder := c.DefaultQuery("sort_order", "asc")
 	// 标准化和验证 search 参数
 	search = strings.TrimSpace(search)
 	if len(search) > 100 {
@@ -246,7 +248,7 @@ func (h *AccountHandler) List(c *gin.Context) {
 		}
 	}
 
-	accounts, total, err := h.adminService.ListAccounts(c.Request.Context(), page, pageSize, platform, accountType, status, search, groupID, privacyMode)
+	accounts, total, err := h.adminService.ListAccounts(c.Request.Context(), page, pageSize, platform, accountType, status, search, groupID, privacyMode, sortBy, sortOrder)
 	if err != nil {
 		response.ErrorFrom(c, err)
 		return
@@ -2029,7 +2031,7 @@ func (h *AccountHandler) BatchRefreshTier(c *gin.Context) {
 	accounts := make([]*service.Account, 0)
 
 	if len(req.AccountIDs) == 0 {
-		allAccounts, _, err := h.adminService.ListAccounts(ctx, 1, 10000, "gemini", "oauth", "", "", 0, "")
+		allAccounts, _, err := h.adminService.ListAccounts(ctx, 1, 10000, "gemini", "oauth", "", "", 0, "", "name", "asc")
 		if err != nil {
 			response.ErrorFrom(c, err)
 			return

backend/internal/handler/admin/admin_service_stub_test.go

@@ -31,6 +31,33 @@ type stubAdminService struct {
 		platform  string
 		groupIDs  []int64
 	}
+	lastListAccounts struct {
+		platform    string
+		accountType string
+		status      string
+		search      string
+		groupID     int64
+		privacyMode string
+		sortBy      string
+		sortOrder   string
+		calls       int
+	}
+	lastListProxies struct {
+		protocol  string
+		status    string
+		search    string
+		sortBy    string
+		sortOrder string
+		calls     int
+	}
+	lastListRedeemCodes struct {
+		codeType  string
+		status    string
+		search    string
+		sortBy    string
+		sortOrder string
+		calls     int
+	}
 	mu sync.Mutex
 }
 
@@ -99,7 +126,7 @@ func newStubAdminService() *stubAdminService {
 	}
 }
 
-func (s *stubAdminService) ListUsers(ctx context.Context, page, pageSize int, filters service.UserListFilters) ([]service.User, int64, error) {
+func (s *stubAdminService) ListUsers(ctx context.Context, page, pageSize int, filters service.UserListFilters, sortBy, sortOrder string) ([]service.User, int64, error) {
 	return s.users, int64(len(s.users)), nil
 }
 
@@ -132,7 +159,7 @@ func (s *stubAdminService) UpdateUserBalance(ctx context.Context, userID int64,
 	return &user, nil
 }
 
-func (s *stubAdminService) GetUserAPIKeys(ctx context.Context, userID int64, page, pageSize int) ([]service.APIKey, int64, error) {
+func (s *stubAdminService) GetUserAPIKeys(ctx context.Context, userID int64, page, pageSize int, sortBy, sortOrder string) ([]service.APIKey, int64, error) {
 	return s.apiKeys, int64(len(s.apiKeys)), nil
 }
 
@@ -140,7 +167,7 @@ func (s *stubAdminService) GetUserUsageStats(ctx context.Context, userID int64,
 	return map[string]any{"user_id": userID}, nil
 }
 
-func (s *stubAdminService) ListGroups(ctx context.Context, page, pageSize int, platform, status, search string, isExclusive *bool) ([]service.Group, int64, error) {
+func (s *stubAdminService) ListGroups(ctx context.Context, page, pageSize int, platform, status, search string, isExclusive *bool, sortBy, sortOrder string) ([]service.Group, int64, error) {
 	return s.groups, int64(len(s.groups)), nil
 }
 
@@ -187,7 +214,16 @@ func (s *stubAdminService) BatchSetGroupRateMultipliers(_ context.Context, _ int
 	return nil
 }
 
-func (s *stubAdminService) ListAccounts(ctx context.Context, page, pageSize int, platform, accountType, status, search string, groupID int64, privacyMode string) ([]service.Account, int64, error) {
+func (s *stubAdminService) ListAccounts(ctx context.Context, page, pageSize int, platform, accountType, status, search string, groupID int64, privacyMode string, sortBy, sortOrder string) ([]service.Account, int64, error) {
+	s.lastListAccounts.platform = platform
+	s.lastListAccounts.accountType = accountType
+	s.lastListAccounts.status = status
+	s.lastListAccounts.search = search
+	s.lastListAccounts.groupID = groupID
+	s.lastListAccounts.privacyMode = privacyMode
+	s.lastListAccounts.sortBy = sortBy
+	s.lastListAccounts.sortOrder = sortOrder
+	s.lastListAccounts.calls++
 	return s.accounts, int64(len(s.accounts)), nil
 }
 
@@ -261,7 +297,13 @@ func (s *stubAdminService) CheckMixedChannelRisk(ctx context.Context, currentAcc
 	return s.checkMixedErr
 }
 
-func (s *stubAdminService) ListProxies(ctx context.Context, page, pageSize int, protocol, status, search string) ([]service.Proxy, int64, error) {
+func (s *stubAdminService) ListProxies(ctx context.Context, page, pageSize int, protocol, status, search string, sortBy, sortOrder string) ([]service.Proxy, int64, error) {
+	s.lastListProxies.protocol = protocol
+	s.lastListProxies.status = status
+	s.lastListProxies.search = search
+	s.lastListProxies.sortBy = sortBy
+	s.lastListProxies.sortOrder = sortOrder
+	s.lastListProxies.calls++
 	search = strings.TrimSpace(strings.ToLower(search))
 	filtered := make([]service.Proxy, 0, len(s.proxies))
 	for _, proxy := range s.proxies {
@@ -283,7 +325,7 @@ func (s *stubAdminService) ListProxies(ctx context.Context, page, pageSize int,
 	return filtered, int64(len(filtered)), nil
 }
 
-func (s *stubAdminService) ListProxiesWithAccountCount(ctx context.Context, page, pageSize int, protocol, status, search string) ([]service.ProxyWithAccountCount, int64, error) {
+func (s *stubAdminService) ListProxiesWithAccountCount(ctx context.Context, page, pageSize int, protocol, status, search string, sortBy, sortOrder string) ([]service.ProxyWithAccountCount, int64, error) {
 	return s.proxyCounts, int64(len(s.proxyCounts)), nil
 }
 
@@ -384,7 +426,13 @@ func (s *stubAdminService) CheckProxyQuality(ctx context.Context, id int64) (*se
 	}, nil
 }
 
-func (s *stubAdminService) ListRedeemCodes(ctx context.Context, page, pageSize int, codeType, status, search string) ([]service.RedeemCode, int64, error) {
+func (s *stubAdminService) ListRedeemCodes(ctx context.Context, page, pageSize int, codeType, status, search string, sortBy, sortOrder string) ([]service.RedeemCode, int64, error) {
+	s.lastListRedeemCodes.codeType = codeType
+	s.lastListRedeemCodes.status = status
+	s.lastListRedeemCodes.search = search
+	s.lastListRedeemCodes.sortBy = sortBy
+	s.lastListRedeemCodes.sortOrder = sortOrder
+	s.lastListRedeemCodes.calls++
 	return s.redeems, int64(len(s.redeems)), nil
 }
 

backend/internal/handler/admin/announcement_handler.go

@@ -52,13 +52,17 @@ func (h *AnnouncementHandler) List(c *gin.Context) {
 	page, pageSize := response.ParsePagination(c)
 	status := strings.TrimSpace(c.Query("status"))
 	search := strings.TrimSpace(c.Query("search"))
+	sortBy := c.DefaultQuery("sort_by", "created_at")
+	sortOrder := c.DefaultQuery("sort_order", "desc")
 	if len(search) > 200 {
 		search = search[:200]
 	}
 
 	params := pagination.PaginationParams{
-		Page:     page,
-		PageSize: pageSize,
+		Page:      page,
+		PageSize:  pageSize,
+		SortBy:    sortBy,
+		SortOrder: sortOrder,
 	}
 
 	items, paginationResult, err := h.announcementService.List(
@@ -227,8 +231,10 @@ func (h *AnnouncementHandler) ListReadStatus(c *gin.Context) {
 
 	page, pageSize := response.ParsePagination(c)
 	params := pagination.PaginationParams{
-		Page:     page,
-		PageSize: pageSize,
+		Page:      page,
+		PageSize:  pageSize,
+		SortBy:    c.DefaultQuery("sort_by", "email"),
+		SortOrder: c.DefaultQuery("sort_order", "asc"),
 	}
 	search := strings.TrimSpace(c.Query("search"))
 	if len(search) > 200 {

backend/internal/handler/admin/announcement_handler_sort_test.go

@@ -0,0 +1,138 @@
+package admin
+
+import (
+	"context"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+
+	"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"
+)
+
+type announcementRepoCapture struct {
+	service.AnnouncementRepository
+	listParams pagination.PaginationParams
+}
+
+func (r *announcementRepoCapture) List(ctx context.Context, params pagination.PaginationParams, filters service.AnnouncementListFilters) ([]service.Announcement, *pagination.PaginationResult, error) {
+	r.listParams = params
+	return []service.Announcement{}, &pagination.PaginationResult{
+		Total:    0,
+		Page:     params.Page,
+		PageSize: params.PageSize,
+		Pages:    0,
+	}, nil
+}
+
+func (r *announcementRepoCapture) GetByID(ctx context.Context, id int64) (*service.Announcement, error) {
+	return &service.Announcement{
+		ID:        id,
+		Title:     "announcement",
+		Content:   "content",
+		Status:    service.AnnouncementStatusActive,
+		CreatedAt: time.Now(),
+		UpdatedAt: time.Now(),
+	}, nil
+}
+
+type announcementUserRepoCapture struct {
+	service.UserRepository
+	listParams pagination.PaginationParams
+}
+
+func (r *announcementUserRepoCapture) ListWithFilters(ctx context.Context, params pagination.PaginationParams, filters service.UserListFilters) ([]service.User, *pagination.PaginationResult, error) {
+	r.listParams = params
+	return []service.User{}, &pagination.PaginationResult{
+		Total:    0,
+		Page:     params.Page,
+		PageSize: params.PageSize,
+		Pages:    0,
+	}, nil
+}
+
+type announcementReadRepoCapture struct {
+	service.AnnouncementReadRepository
+}
+
+func (r *announcementReadRepoCapture) GetReadMapByUsers(ctx context.Context, announcementID int64, userIDs []int64) (map[int64]time.Time, error) {
+	return map[int64]time.Time{}, nil
+}
+
+type announcementUserSubRepoCapture struct {
+	service.UserSubscriptionRepository
+}
+
+func newAnnouncementSortTestRouter(announcementRepo *announcementRepoCapture, userRepo *announcementUserRepoCapture) *gin.Engine {
+	gin.SetMode(gin.TestMode)
+	svc := service.NewAnnouncementService(
+		announcementRepo,
+		&announcementReadRepoCapture{},
+		userRepo,
+		&announcementUserSubRepoCapture{},
+	)
+	handler := NewAnnouncementHandler(svc)
+	router := gin.New()
+	router.GET("/admin/announcements", handler.List)
+	router.GET("/admin/announcements/:id/read-status", handler.ListReadStatus)
+	return router
+}
+
+func TestAdminAnnouncementListSortParams(t *testing.T) {
+	announcementRepo := &announcementRepoCapture{}
+	userRepo := &announcementUserRepoCapture{}
+	router := newAnnouncementSortTestRouter(announcementRepo, userRepo)
+
+	req := httptest.NewRequest(http.MethodGet, "/admin/announcements?sort_by=title&sort_order=ASC", nil)
+	rec := httptest.NewRecorder()
+	router.ServeHTTP(rec, req)
+
+	require.Equal(t, http.StatusOK, rec.Code)
+	require.Equal(t, "title", announcementRepo.listParams.SortBy)
+	require.Equal(t, "ASC", announcementRepo.listParams.SortOrder)
+}
+
+func TestAdminAnnouncementListSortDefaults(t *testing.T) {
+	announcementRepo := &announcementRepoCapture{}
+	userRepo := &announcementUserRepoCapture{}
+	router := newAnnouncementSortTestRouter(announcementRepo, userRepo)
+
+	req := httptest.NewRequest(http.MethodGet, "/admin/announcements", nil)
+	rec := httptest.NewRecorder()
+	router.ServeHTTP(rec, req)
+
+	require.Equal(t, http.StatusOK, rec.Code)
+	require.Equal(t, "created_at", announcementRepo.listParams.SortBy)
+	require.Equal(t, "desc", announcementRepo.listParams.SortOrder)
+}
+
+func TestAdminAnnouncementReadStatusSortParams(t *testing.T) {
+	announcementRepo := &announcementRepoCapture{}
+	userRepo := &announcementUserRepoCapture{}
+	router := newAnnouncementSortTestRouter(announcementRepo, userRepo)
+
+	req := httptest.NewRequest(http.MethodGet, "/admin/announcements/1/read-status?sort_by=balance&sort_order=DESC", nil)
+	rec := httptest.NewRecorder()
+	router.ServeHTTP(rec, req)
+
+	require.Equal(t, http.StatusOK, rec.Code)
+	require.Equal(t, "balance", userRepo.listParams.SortBy)
+	require.Equal(t, "DESC", userRepo.listParams.SortOrder)
+}
+
+func TestAdminAnnouncementReadStatusSortDefaults(t *testing.T) {
+	announcementRepo := &announcementRepoCapture{}
+	userRepo := &announcementUserRepoCapture{}
+	router := newAnnouncementSortTestRouter(announcementRepo, userRepo)
+
+	req := httptest.NewRequest(http.MethodGet, "/admin/announcements/1/read-status", nil)
+	rec := httptest.NewRecorder()
+	router.ServeHTTP(rec, req)
+
+	require.Equal(t, http.StatusOK, rec.Code)
+	require.Equal(t, "email", userRepo.listParams.SortBy)
+	require.Equal(t, "asc", userRepo.listParams.SortOrder)
+}

backend/internal/handler/admin/channel_handler.go

@@ -245,7 +245,12 @@ func (h *ChannelHandler) List(c *gin.Context) {
 		search = search[:100]
 	}
 
-	channels, pag, err := h.channelService.List(c.Request.Context(), pagination.PaginationParams{Page: page, PageSize: pageSize}, status, search)
+	channels, pag, err := h.channelService.List(c.Request.Context(), pagination.PaginationParams{
+		Page:      page,
+		PageSize:  pageSize,
+		SortBy:    c.DefaultQuery("sort_by", "created_at"),
+		SortOrder: c.DefaultQuery("sort_order", "desc"),
+	}, status, search)
 	if err != nil {
 		response.ErrorFrom(c, err)
 		return

backend/internal/handler/admin/group_handler.go

@@ -160,6 +160,8 @@ func (h *GroupHandler) List(c *gin.Context) {
 		search = search[:100]
 	}
 	isExclusiveStr := c.Query("is_exclusive")
+	sortBy := c.DefaultQuery("sort_by", "sort_order")
+	sortOrder := c.DefaultQuery("sort_order", "asc")
 
 	var isExclusive *bool
 	if isExclusiveStr != "" {
@@ -167,7 +169,7 @@ func (h *GroupHandler) List(c *gin.Context) {
 		isExclusive = &val
 	}
 
-	groups, total, err := h.adminService.ListGroups(c.Request.Context(), page, pageSize, platform, status, search, isExclusive)
+	groups, total, err := h.adminService.ListGroups(c.Request.Context(), page, pageSize, platform, status, search, isExclusive, sortBy, sortOrder)
 	if err != nil {
 		response.ErrorFrom(c, err)
 		return

backend/internal/handler/admin/promo_handler.go

@@ -55,8 +55,10 @@ func (h *PromoHandler) List(c *gin.Context) {
 	}
 
 	params := pagination.PaginationParams{
-		Page:     page,
-		PageSize: pageSize,
+		Page:      page,
+		PageSize:  pageSize,
+		SortBy:    c.DefaultQuery("sort_by", "created_at"),
+		SortOrder: c.DefaultQuery("sort_order", "desc"),
 	}
 
 	codes, paginationResult, err := h.promoService.List(c.Request.Context(), params, status, search)

backend/internal/handler/admin/proxy_handler.go

@@ -52,13 +52,15 @@ func (h *ProxyHandler) List(c *gin.Context) {
 	protocol := c.Query("protocol")
 	status := c.Query("status")
 	search := c.Query("search")
+	sortBy := c.DefaultQuery("sort_by", "id")
+	sortOrder := c.DefaultQuery("sort_order", "desc")
 	// 标准化和验证 search 参数
 	search = strings.TrimSpace(search)
 	if len(search) > 100 {
 		search = search[:100]
 	}
 
-	proxies, total, err := h.adminService.ListProxiesWithAccountCount(c.Request.Context(), page, pageSize, protocol, status, search)
+	proxies, total, err := h.adminService.ListProxiesWithAccountCount(c.Request.Context(), page, pageSize, protocol, status, search, sortBy, sortOrder)
 	if err != nil {
 		response.ErrorFrom(c, err)
 		return

backend/internal/handler/admin/usage_handler.go

@@ -165,7 +165,12 @@ func (h *UsageHandler) List(c *gin.Context) {
 		endTime = &t
 	}
 
-	params := pagination.PaginationParams{Page: page, PageSize: pageSize}
+	params := pagination.PaginationParams{
+		Page:      page,
+		PageSize:  pageSize,
+		SortBy:    c.DefaultQuery("sort_by", "created_at"),
+		SortOrder: c.DefaultQuery("sort_order", "desc"),
+	}
 	filters := usagestats.UsageLogFilters{
 		UserID:      userID,
 		APIKeyID:    apiKeyID,
@@ -339,7 +344,7 @@ func (h *UsageHandler) SearchUsers(c *gin.Context) {
 	}
 
 	// Limit to 30 results
-	users, _, err := h.adminService.ListUsers(c.Request.Context(), 1, 30, service.UserListFilters{Search: keyword})
+	users, _, err := h.adminService.ListUsers(c.Request.Context(), 1, 30, service.UserListFilters{Search: keyword}, "email", "asc")
 	if err != nil {
 		response.ErrorFrom(c, err)
 		return

backend/internal/handler/admin/usage_handler_request_type_test.go

@@ -15,11 +15,14 @@ import (
 
 type adminUsageRepoCapture struct {
 	service.UsageLogRepository
+	listParams   pagination.PaginationParams
 	listFilters  usagestats.UsageLogFilters
+	statsParams  pagination.PaginationParams
 	statsFilters usagestats.UsageLogFilters
 }
 
 func (s *adminUsageRepoCapture) ListWithFilters(ctx context.Context, params pagination.PaginationParams, filters usagestats.UsageLogFilters) ([]service.UsageLog, *pagination.PaginationResult, error) {
+	s.listParams = params
 	s.listFilters = filters
 	return []service.UsageLog{}, &pagination.PaginationResult{
 		Total:    0,

backend/internal/handler/admin/usage_handler_sort_test.go

@@ -0,0 +1,35 @@
+package admin
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestAdminUsageListSortParams(t *testing.T) {
+	repo := &adminUsageRepoCapture{}
+	router := newAdminUsageRequestTypeTestRouter(repo)
+
+	req := httptest.NewRequest(http.MethodGet, "/admin/usage?sort_by=model&sort_order=ASC", nil)
+	rec := httptest.NewRecorder()
+	router.ServeHTTP(rec, req)
+
+	require.Equal(t, http.StatusOK, rec.Code)
+	require.Equal(t, "model", repo.listParams.SortBy)
+	require.Equal(t, "ASC", repo.listParams.SortOrder)
+}
+
+func TestAdminUsageListSortDefaults(t *testing.T) {
+	repo := &adminUsageRepoCapture{}
+	router := newAdminUsageRequestTypeTestRouter(repo)
+
+	req := httptest.NewRequest(http.MethodGet, "/admin/usage", nil)
+	rec := httptest.NewRecorder()
+	router.ServeHTTP(rec, req)
+
+	require.Equal(t, http.StatusOK, rec.Code)
+	require.Equal(t, "created_at", repo.listParams.SortBy)
+	require.Equal(t, "desc", repo.listParams.SortOrder)
+}

backend/internal/handler/admin/user_handler.go

@@ -91,12 +91,14 @@ func (h *UserHandler) List(c *gin.Context) {
 		GroupName:  strings.TrimSpace(c.Query("group_name")),
 		Attributes: parseAttributeFilters(c),
 	}
+	sortBy := c.DefaultQuery("sort_by", "created_at")
+	sortOrder := c.DefaultQuery("sort_order", "desc")
 	if raw, ok := c.GetQuery("include_subscriptions"); ok {
 		includeSubscriptions := parseBoolQueryWithDefault(raw, true)
 		filters.IncludeSubscriptions = &includeSubscriptions
 	}
 
-	users, total, err := h.adminService.ListUsers(c.Request.Context(), page, pageSize, filters)
+	users, total, err := h.adminService.ListUsers(c.Request.Context(), page, pageSize, filters, sortBy, sortOrder)
 	if err != nil {
 		response.ErrorFrom(c, err)
 		return
@@ -290,8 +292,10 @@ func (h *UserHandler) GetUserAPIKeys(c *gin.Context) {
 	}
 
 	page, pageSize := response.ParsePagination(c)
+	sortBy := c.DefaultQuery("sort_by", "created_at")
+	sortOrder := c.DefaultQuery("sort_order", "desc")
 
-	keys, total, err := h.adminService.GetUserAPIKeys(c.Request.Context(), userID, page, pageSize)
+	keys, total, err := h.adminService.GetUserAPIKeys(c.Request.Context(), userID, page, pageSize, sortBy, sortOrder)
 	if err != nil {
 		response.ErrorFrom(c, err)
 		return

backend/internal/handler/api_key_handler.go

@@ -72,7 +72,12 @@ func (h *APIKeyHandler) List(c *gin.Context) {
 	}
 
 	page, pageSize := response.ParsePagination(c)
-	params := pagination.PaginationParams{Page: page, PageSize: pageSize}
+	params := pagination.PaginationParams{
+		Page:      page,
+		PageSize:  pageSize,
+		SortBy:    c.DefaultQuery("sort_by", "created_at"),
+		SortOrder: c.DefaultQuery("sort_order", "desc"),
+	}
 
 	// Parse filter parameters
 	var filters service.APIKeyListFilters

backend/internal/handler/usage_handler.go

@@ -119,7 +119,12 @@ func (h *UsageHandler) List(c *gin.Context) {
 		endTime = &t
 	}
 
-	params := pagination.PaginationParams{Page: page, PageSize: pageSize}
+	params := pagination.PaginationParams{
+		Page:      page,
+		PageSize:  pageSize,
+		SortBy:    c.DefaultQuery("sort_by", "created_at"),
+		SortOrder: c.DefaultQuery("sort_order", "desc"),
+	}
 	filters := usagestats.UsageLogFilters{
 		UserID:      subject.UserID, // Always filter by current user for security
 		APIKeyID:    apiKeyID,

backend/internal/handler/usage_handler_request_type_test.go

@@ -16,10 +16,12 @@ import (
 
 type userUsageRepoCapture struct {
 	service.UsageLogRepository
+	listParams  pagination.PaginationParams
 	listFilters usagestats.UsageLogFilters
 }
 
 func (s *userUsageRepoCapture) ListWithFilters(ctx context.Context, params pagination.PaginationParams, filters usagestats.UsageLogFilters) ([]service.UsageLog, *pagination.PaginationResult, error) {
+	s.listParams = params
 	s.listFilters = filters
 	return []service.UsageLog{}, &pagination.PaginationResult{
 		Total:    0,

backend/internal/handler/usage_handler_sort_test.go

@@ -0,0 +1,35 @@
+package handler
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestUserUsageListSortParams(t *testing.T) {
+	repo := &userUsageRepoCapture{}
+	router := newUserUsageRequestTypeTestRouter(repo)
+
+	req := httptest.NewRequest(http.MethodGet, "/usage?sort_by=model&sort_order=ASC", nil)
+	rec := httptest.NewRecorder()
+	router.ServeHTTP(rec, req)
+
+	require.Equal(t, http.StatusOK, rec.Code)
+	require.Equal(t, "model", repo.listParams.SortBy)
+	require.Equal(t, "ASC", repo.listParams.SortOrder)
+}
+
+func TestUserUsageListSortDefaults(t *testing.T) {
+	repo := &userUsageRepoCapture{}
+	router := newUserUsageRequestTypeTestRouter(repo)
+
+	req := httptest.NewRequest(http.MethodGet, "/usage", nil)
+	rec := httptest.NewRecorder()
+	router.ServeHTTP(rec, req)
+
+	require.Equal(t, http.StatusOK, rec.Code)
+	require.Equal(t, "created_at", repo.listParams.SortBy)
+	require.Equal(t, "desc", repo.listParams.SortOrder)
+}

backend/internal/pkg/pagination/pagination.go

@@ -1,10 +1,19 @@
 // Package pagination provides types and helpers for paginated responses.
 package pagination
 
+import "strings"
+
+const (
+	SortOrderAsc  = "asc"
+	SortOrderDesc = "desc"
+)
+
 // PaginationParams 分页参数
 type PaginationParams struct {
-	Page     int
-	PageSize int
+	Page      int
+	PageSize  int
+	SortBy    string
+	SortOrder string
 }
 
 // PaginationResult 分页结果
@@ -18,8 +27,9 @@ type PaginationResult struct {
 // DefaultPagination 默认分页参数
 func DefaultPagination() PaginationParams {
 	return PaginationParams{
-		Page:     1,
-		PageSize: 20,
+		Page:      1,
+		PageSize:  20,
+		SortOrder: SortOrderDesc,
 	}
 }
 
@@ -36,8 +46,32 @@ func (p PaginationParams) Limit() int {
 	if p.PageSize < 1 {
 		return 20
 	}
-	if p.PageSize > 100 {
-		return 100
+	if p.PageSize > 1000 {
+		return 1000
 	}
 	return p.PageSize
 }
+
+// NormalizeSortOrder normalizes sort order to asc/desc and falls back to defaultOrder.
+func NormalizeSortOrder(order string, defaultOrder string) string {
+	switch strings.ToLower(strings.TrimSpace(defaultOrder)) {
+	case SortOrderAsc:
+		defaultOrder = SortOrderAsc
+	default:
+		defaultOrder = SortOrderDesc
+	}
+
+	switch strings.ToLower(strings.TrimSpace(order)) {
+	case SortOrderAsc:
+		return SortOrderAsc
+	case SortOrderDesc:
+		return SortOrderDesc
+	default:
+		return defaultOrder
+	}
+}
+
+// NormalizedSortOrder returns the normalized sort order using defaultOrder as fallback.
+func (p PaginationParams) NormalizedSortOrder(defaultOrder string) string {
+	return NormalizeSortOrder(p.SortOrder, defaultOrder)
+}

backend/internal/pkg/pagination/pagination_test.go

@@ -0,0 +1,71 @@
+package pagination
+
+import "testing"
+
+func TestNormalizeSortOrder(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name         string
+		input        string
+		defaultOrder string
+		want         string
+	}{
+		{name: "asc", input: "asc", defaultOrder: "desc", want: "asc"},
+		{name: "uppercase asc", input: "ASC", defaultOrder: "desc", want: "asc"},
+		{name: "desc", input: "desc", defaultOrder: "asc", want: "desc"},
+		{name: "trim spaces", input: "  desc  ", defaultOrder: "asc", want: "desc"},
+		{name: "invalid falls back", input: "sideways", defaultOrder: "asc", want: "asc"},
+		{name: "empty falls back", input: "", defaultOrder: "desc", want: "desc"},
+		{name: "invalid default falls back to desc", input: "", defaultOrder: "wat", want: "desc"},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+			if got := NormalizeSortOrder(tt.input, tt.defaultOrder); got != tt.want {
+				t.Fatalf("NormalizeSortOrder(%q, %q) = %q, want %q", tt.input, tt.defaultOrder, got, tt.want)
+			}
+		})
+	}
+}
+
+func TestPaginationParamsNormalizedSortOrder(t *testing.T) {
+	t.Parallel()
+
+	params := PaginationParams{SortOrder: "ASC"}
+	if got := params.NormalizedSortOrder("desc"); got != "asc" {
+		t.Fatalf("NormalizedSortOrder = %q, want asc", got)
+	}
+
+	params = PaginationParams{SortOrder: "bad"}
+	if got := params.NormalizedSortOrder("asc"); got != "asc" {
+		t.Fatalf("NormalizedSortOrder invalid fallback = %q, want asc", got)
+	}
+}
+
+func TestPaginationParamsLimit(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name     string
+		pageSize int
+		want     int
+	}{
+		{name: "non-positive falls back to default", pageSize: 0, want: 20},
+		{name: "negative falls back to default", pageSize: -1, want: 20},
+		{name: "normal value keeps", pageSize: 50, want: 50},
+		{name: "max value keeps", pageSize: 1000, want: 1000},
+		{name: "beyond max clamps to 1000", pageSize: 1500, want: 1000},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+			p := PaginationParams{PageSize: tt.pageSize}
+			if got := p.Limit(); got != tt.want {
+				t.Fatalf("Limit() for PageSize=%d = %d, want %d", tt.pageSize, got, tt.want)
+			}
+		})
+	}
+}

backend/internal/repository/account_repo.go

@@ -471,21 +471,58 @@ func (r *accountRepository) ListWithFilters(ctx context.Context, params paginati
 		case service.StatusActive:
 			q = q.Where(
 				dbaccount.StatusEQ(status),
+				dbaccount.SchedulableEQ(true),
 				dbaccount.Or(
 					dbaccount.RateLimitResetAtIsNil(),
 					dbaccount.RateLimitResetAtLTE(time.Now()),
 				),
+				dbpredicate.Account(func(s *entsql.Selector) {
+					col := s.C("temp_unschedulable_until")
+					s.Where(entsql.Or(
+						entsql.IsNull(col),
+						entsql.LTE(col, entsql.Expr("NOW()")),
+					))
+				}),
 			)
 		case "rate_limited":
-			q = q.Where(dbaccount.RateLimitResetAtGT(time.Now()))
+			q = q.Where(
+				dbaccount.StatusEQ(service.StatusActive),
+				dbaccount.RateLimitResetAtGT(time.Now()),
+				dbpredicate.Account(func(s *entsql.Selector) {
+					col := s.C("temp_unschedulable_until")
+					s.Where(entsql.Or(
+						entsql.IsNull(col),
+						entsql.LTE(col, entsql.Expr("NOW()")),
+					))
+				}),
+			)
 		case "temp_unschedulable":
-			q = q.Where(dbpredicate.Account(func(s *entsql.Selector) {
-				col := s.C("temp_unschedulable_until")
-				s.Where(entsql.And(
-					entsql.Not(entsql.IsNull(col)),
-					entsql.GT(col, entsql.Expr("NOW()")),
-				))
-			}))
+			q = q.Where(
+				dbaccount.StatusEQ(service.StatusActive),
+				dbpredicate.Account(func(s *entsql.Selector) {
+					col := s.C("temp_unschedulable_until")
+					s.Where(entsql.And(
+						entsql.Not(entsql.IsNull(col)),
+						entsql.GT(col, entsql.Expr("NOW()")),
+					))
+				}),
+			)
+		case "unschedulable":
+			q = q.Where(
+				dbaccount.StatusEQ(service.StatusActive),
+				dbaccount.SchedulableEQ(false),
+				dbaccount.Or(
+					dbaccount.RateLimitResetAtIsNil(),
+					dbaccount.RateLimitResetAtLTE(time.Now()),
+				),
+				dbpredicate.Account(func(s *entsql.Selector) {
+					col := s.C("temp_unschedulable_until")
+					s.Where(entsql.Or(
+						entsql.IsNull(col),
+						entsql.LTE(col, entsql.Expr("NOW()")),
+					))
+				}),
+			)
 		default:
 			q = q.Where(dbaccount.StatusEQ(status))
 		}
@@ -518,11 +555,14 @@ func (r *accountRepository) ListWithFilters(ctx context.Context, params paginati
 		return nil, nil, err
 	}
 
-	accounts, err := q.
+	accountsQuery := q.
 		Offset(params.Offset()).
-		Limit(params.Limit()).
-		Order(dbent.Desc(dbaccount.FieldID)).
-		All(ctx)
+		Limit(params.Limit())
+	for _, order := range accountListOrder(params) {
+		accountsQuery = accountsQuery.Order(order)
+	}
+
+	accounts, err := accountsQuery.All(ctx)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -534,6 +574,50 @@ func (r *accountRepository) ListWithFilters(ctx context.Context, params paginati
 	return outAccounts, paginationResultFromTotal(int64(total), params), nil
 }
 
+func accountListOrder(params pagination.PaginationParams) []func(*entsql.Selector) {
+	sortBy := strings.ToLower(strings.TrimSpace(params.SortBy))
+	sortOrder := params.NormalizedSortOrder(pagination.SortOrderAsc)
+
+	field := dbaccount.FieldName
+	defaultOrder := true
+	switch sortBy {
+	case "", "name":
+		field = dbaccount.FieldName
+	case "id":
+		field = dbaccount.FieldID
+		defaultOrder = false
+	case "status":
+		field = dbaccount.FieldStatus
+		defaultOrder = false
+	case "schedulable":
+		field = dbaccount.FieldSchedulable
+		defaultOrder = false
+	case "priority":
+		field = dbaccount.FieldPriority
+		defaultOrder = false
+	case "rate_multiplier":
+		field = dbaccount.FieldRateMultiplier
+		defaultOrder = false
+	case "last_used_at":
+		field = dbaccount.FieldLastUsedAt
+		defaultOrder = false
+	case "expires_at":
+		field = dbaccount.FieldExpiresAt
+		defaultOrder = false
+	case "created_at":
+		field = dbaccount.FieldCreatedAt
+		defaultOrder = false
+	}
+
+	if sortOrder == pagination.SortOrderDesc {
+		return []func(*entsql.Selector){dbent.Desc(field), dbent.Desc(dbaccount.FieldID)}
+	}
+	if defaultOrder {
+		return []func(*entsql.Selector){dbent.Asc(dbaccount.FieldName), dbent.Asc(dbaccount.FieldID)}
+	}
+	return []func(*entsql.Selector){dbent.Asc(field), dbent.Asc(dbaccount.FieldID)}
+}
+
 func (r *accountRepository) ListByGroup(ctx context.Context, groupID int64) ([]service.Account, error) {
 	accounts, err := r.queryAccountsByGroup(ctx, groupID, accountGroupQueryOptions{
 		status: service.StatusActive,

backend/internal/repository/account_repo_integration_test.go

@@ -256,7 +256,7 @@ func (s *AccountRepoSuite) TestListWithFilters() {
 			},
 		},
 		{
-			name: "filter_by_status_active_excludes_rate_limited",
+			name: "filter_by_status_active_excludes_runtime_blocked_accounts",
 			setup: func(client *dbent.Client) {
 				mustCreateAccount(s.T(), client, &service.Account{Name: "active-normal", Status: service.StatusActive})
 				rateLimited := mustCreateAccount(s.T(), client, &service.Account{Name: "active-rate-limited", Status: service.StatusActive})
@@ -264,6 +264,16 @@ func (s *AccountRepoSuite) TestListWithFilters() {
 					SetRateLimitResetAt(time.Now().Add(10 * time.Minute)).
 					Exec(context.Background())
 				s.Require().NoError(err)
+				tempUnsched := mustCreateAccount(s.T(), client, &service.Account{Name: "active-temp-unsched", Status: service.StatusActive})
+				err = client.Account.UpdateOneID(tempUnsched.ID).
+					SetTempUnschedulableUntil(time.Now().Add(15 * time.Minute)).
+					Exec(context.Background())
+				s.Require().NoError(err)
+				unsched := mustCreateAccount(s.T(), client, &service.Account{Name: "active-unsched", Status: service.StatusActive})
+				err = client.Account.UpdateOneID(unsched.ID).
+					SetSchedulable(false).
+					Exec(context.Background())
+				s.Require().NoError(err)
 			},
 			status:    service.StatusActive,
 			wantCount: 1,
@@ -271,6 +281,75 @@ func (s *AccountRepoSuite) TestListWithFilters() {
 				s.Require().Equal("active-normal", accounts[0].Name)
 			},
 		},
+		{
+			name: "filter_by_status_unschedulable_excludes_rate_limited_and_temp_unschedulable",
+			setup: func(client *dbent.Client) {
+				mustCreateAccount(s.T(), client, &service.Account{Name: "active-normal", Status: service.StatusActive, Schedulable: true})
+				unsched := mustCreateAccount(s.T(), client, &service.Account{Name: "active-unsched", Status: service.StatusActive})
+				err := client.Account.UpdateOneID(unsched.ID).
+					SetSchedulable(false).
+					Exec(context.Background())
+				s.Require().NoError(err)
+				rateLimited := mustCreateAccount(s.T(), client, &service.Account{Name: "active-rate-limited", Status: service.StatusActive})
+				err = client.Account.UpdateOneID(rateLimited.ID).
+					SetSchedulable(false).
+					SetRateLimitResetAt(time.Now().Add(10 * time.Minute)).
+					Exec(context.Background())
+				s.Require().NoError(err)
+				tempUnsched := mustCreateAccount(s.T(), client, &service.Account{Name: "active-temp-unsched", Status: service.StatusActive})
+				err = client.Account.UpdateOneID(tempUnsched.ID).
+					SetSchedulable(false).
+					SetTempUnschedulableUntil(time.Now().Add(15 * time.Minute)).
+					Exec(context.Background())
+				s.Require().NoError(err)
+			},
+			status:    "unschedulable",
+			wantCount: 1,
+			validate: func(accounts []service.Account) {
+				s.Require().Equal("active-unsched", accounts[0].Name)
+			},
+		},
+		{
+			name: "filter_by_status_rate_limited_excludes_temp_unschedulable",
+			setup: func(client *dbent.Client) {
+				rateLimited := mustCreateAccount(s.T(), client, &service.Account{Name: "active-rate-limited", Status: service.StatusActive})
+				err := client.Account.UpdateOneID(rateLimited.ID).
+					SetRateLimitResetAt(time.Now().Add(10 * time.Minute)).
+					Exec(context.Background())
+				s.Require().NoError(err)
+				tempUnsched := mustCreateAccount(s.T(), client, &service.Account{Name: "active-temp-unsched", Status: service.StatusActive})
+				err = client.Account.UpdateOneID(tempUnsched.ID).
+					SetRateLimitResetAt(time.Now().Add(20 * time.Minute)).
+					SetTempUnschedulableUntil(time.Now().Add(15 * time.Minute)).
+					Exec(context.Background())
+				s.Require().NoError(err)
+			},
+			status:    "rate_limited",
+			wantCount: 1,
+			validate: func(accounts []service.Account) {
+				s.Require().Equal("active-rate-limited", accounts[0].Name)
+			},
+		},
+		{
+			name: "filter_by_status_temp_unschedulable_excludes_manually_unschedulable",
+			setup: func(client *dbent.Client) {
+				tempUnsched := mustCreateAccount(s.T(), client, &service.Account{Name: "active-temp-unsched", Status: service.StatusActive, Schedulable: true})
+				err := client.Account.UpdateOneID(tempUnsched.ID).
+					SetTempUnschedulableUntil(time.Now().Add(15 * time.Minute)).
+					Exec(context.Background())
+				s.Require().NoError(err)
+				unsched := mustCreateAccount(s.T(), client, &service.Account{Name: "active-unsched", Status: service.StatusActive})
+				err = client.Account.UpdateOneID(unsched.ID).
+					SetSchedulable(false).
+					Exec(context.Background())
+				s.Require().NoError(err)
+			},
+			status:    "temp_unschedulable",
+			wantCount: 1,
+			validate: func(accounts []service.Account) {
+				s.Require().Equal("active-temp-unsched", accounts[0].Name)
+			},
+		},
 		{
 			name: "filter_by_search",
 			setup: func(client *dbent.Client) {

backend/internal/repository/account_repo_sort_integration_test.go

@@ -0,0 +1,35 @@
+//go:build integration
+
+package repository
+
+import (
+	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
+	"github.com/Wei-Shaw/sub2api/internal/service"
+)
+
+func (s *AccountRepoSuite) TestList_DefaultSortByNameAsc() {
+	mustCreateAccount(s.T(), s.client, &service.Account{Name: "z-account"})
+	mustCreateAccount(s.T(), s.client, &service.Account{Name: "a-account"})
+
+	accounts, _, err := s.repo.List(s.ctx, pagination.PaginationParams{Page: 1, PageSize: 10})
+	s.Require().NoError(err)
+	s.Require().Len(accounts, 2)
+	s.Require().Equal("a-account", accounts[0].Name)
+	s.Require().Equal("z-account", accounts[1].Name)
+}
+
+func (s *AccountRepoSuite) TestListWithFilters_SortByPriorityDesc() {
+	mustCreateAccount(s.T(), s.client, &service.Account{Name: "low-priority", Priority: 10})
+	mustCreateAccount(s.T(), s.client, &service.Account{Name: "high-priority", Priority: 90})
+
+	accounts, _, err := s.repo.ListWithFilters(s.ctx, pagination.PaginationParams{
+		Page:      1,
+		PageSize:  10,
+		SortBy:    "priority",
+		SortOrder: "desc",
+	}, "", "", "", "", 0, "")
+	s.Require().NoError(err)
+	s.Require().Len(accounts, 2)
+	s.Require().Equal("high-priority", accounts[0].Name)
+	s.Require().Equal("low-priority", accounts[1].Name)
+}

backend/internal/repository/announcement_repo.go

@@ -2,12 +2,15 @@ package repository
 
 import (
 	"context"
+	"strings"
 	"time"
 
 	dbent "github.com/Wei-Shaw/sub2api/ent"
 	"github.com/Wei-Shaw/sub2api/ent/announcement"
 	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
 	"github.com/Wei-Shaw/sub2api/internal/service"
+
+	entsql "entgo.io/ent/dialect/sql"
 )
 
 type announcementRepository struct {
@@ -128,11 +131,14 @@ func (r *announcementRepository) List(
 		return nil, nil, err
 	}
 
-	items, err := q.
+	itemsQuery := q.
 		Offset(params.Offset()).
-		Limit(params.Limit()).
-		Order(dbent.Desc(announcement.FieldID)).
-		All(ctx)
+		Limit(params.Limit())
+	for _, order := range announcementListOrders(params) {
+		itemsQuery = itemsQuery.Order(order)
+	}
+
+	items, err := itemsQuery.All(ctx)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -141,6 +147,56 @@ func (r *announcementRepository) List(
 	return out, paginationResultFromTotal(int64(total), params), nil
 }
 
+func announcementListOrder(params pagination.PaginationParams) (string, string) {
+	sortBy := strings.ToLower(strings.TrimSpace(params.SortBy))
+	sortOrder := params.NormalizedSortOrder(pagination.SortOrderDesc)
+
+	switch sortBy {
+	case "title":
+		return announcement.FieldTitle, sortOrder
+	case "status":
+		return announcement.FieldStatus, sortOrder
+	case "notify_mode":
+		return announcement.FieldNotifyMode, sortOrder
+	case "starts_at":
+		return announcement.FieldStartsAt, sortOrder
+	case "ends_at":
+		return announcement.FieldEndsAt, sortOrder
+	case "id":
+		return announcement.FieldID, sortOrder
+	case "", "created_at":
+		return announcement.FieldCreatedAt, sortOrder
+	default:
+		return announcement.FieldCreatedAt, pagination.SortOrderDesc
+	}
+}
+
+func announcementListOrders(params pagination.PaginationParams) []func(*entsql.Selector) {
+	field, sortOrder := announcementListOrder(params)
+
+	if sortOrder == pagination.SortOrderAsc {
+		if field == announcement.FieldID {
+			return []func(*entsql.Selector){
+				dbent.Asc(field),
+			}
+		}
+		return []func(*entsql.Selector){
+			dbent.Asc(field),
+			dbent.Asc(announcement.FieldID),
+		}
+	}
+
+	if field == announcement.FieldID {
+		return []func(*entsql.Selector){
+			dbent.Desc(field),
+		}
+	}
+	return []func(*entsql.Selector){
+		dbent.Desc(field),
+		dbent.Desc(announcement.FieldID),
+	}
+}
+
 func (r *announcementRepository) ListActive(ctx context.Context, now time.Time) ([]service.Announcement, error) {
 	q := r.client.Announcement.Query().
 		Where(

backend/internal/repository/announcement_repo_sort_test.go

@@ -0,0 +1,63 @@
+package repository
+
+import (
+	"testing"
+
+	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
+)
+
+func TestAnnouncementListOrder(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name   string
+		params pagination.PaginationParams
+		wantBy string
+		want   string
+	}{
+		{
+			name:   "default created_at desc",
+			params: pagination.PaginationParams{},
+			wantBy: "created_at",
+			want:   "desc",
+		},
+		{
+			name: "title asc",
+			params: pagination.PaginationParams{
+				SortBy:    "title",
+				SortOrder: "ASC",
+			},
+			wantBy: "title",
+			want:   "asc",
+		},
+		{
+			name: "status desc",
+			params: pagination.PaginationParams{
+				SortBy:    "status",
+				SortOrder: "desc",
+			},
+			wantBy: "status",
+			want:   "desc",
+		},
+		{
+			name: "invalid falls back",
+			params: pagination.PaginationParams{
+				SortBy:    "sideways",
+				SortOrder: "wat",
+			},
+			wantBy: "created_at",
+			want:   "desc",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			gotBy, gotOrder := announcementListOrder(tt.params)
+			if gotBy != tt.wantBy || gotOrder != tt.want {
+				t.Fatalf("announcementListOrder(%+v) = (%q, %q), want (%q, %q)", tt.params, gotBy, gotOrder, tt.wantBy, tt.want)
+			}
+		})
+	}
+}

backend/internal/repository/api_key_repo.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"database/sql"
 	"fmt"
+	"strings"
 	"time"
 
 	dbent "github.com/Wei-Shaw/sub2api/ent"
@@ -14,6 +15,8 @@ import (
 	"github.com/Wei-Shaw/sub2api/internal/service"
 
 	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
+
+	entsql "entgo.io/ent/dialect/sql"
 )
 
 type apiKeyRepository struct {
@@ -309,12 +312,15 @@ func (r *apiKeyRepository) ListByUserID(ctx context.Context, userID int64, param
 		return nil, nil, err
 	}
 
-	keys, err := q.
+	keysQuery := q.
 		WithGroup().
 		Offset(params.Offset()).
-		Limit(params.Limit()).
-		Order(dbent.Desc(apikey.FieldID)).
-		All(ctx)
+		Limit(params.Limit())
+	for _, order := range apiKeyListOrder(params) {
+		keysQuery = keysQuery.Order(order)
+	}
+
+	keys, err := keysQuery.All(ctx)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -359,12 +365,15 @@ func (r *apiKeyRepository) ListByGroupID(ctx context.Context, groupID int64, par
 		return nil, nil, err
 	}
 
-	keys, err := q.
+	keysQuery := q.
 		WithUser().
 		Offset(params.Offset()).
-		Limit(params.Limit()).
-		Order(dbent.Desc(apikey.FieldID)).
-		All(ctx)
+		Limit(params.Limit())
+	for _, order := range apiKeyListOrder(params) {
+		keysQuery = keysQuery.Order(order)
+	}
+
+	keys, err := keysQuery.All(ctx)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -377,6 +386,34 @@ func (r *apiKeyRepository) ListByGroupID(ctx context.Context, groupID int64, par
 	return outKeys, paginationResultFromTotal(int64(total), params), nil
 }
 
+func apiKeyListOrder(params pagination.PaginationParams) []func(*entsql.Selector) {
+	sortBy := strings.ToLower(strings.TrimSpace(params.SortBy))
+	sortOrder := params.NormalizedSortOrder(pagination.SortOrderDesc)
+
+	field := apikey.FieldID
+	switch sortBy {
+	case "name":
+		field = apikey.FieldName
+	case "status":
+		field = apikey.FieldStatus
+	case "expires_at":
+		field = apikey.FieldExpiresAt
+	case "last_used_at":
+		field = apikey.FieldLastUsedAt
+	case "created_at":
+		field = apikey.FieldCreatedAt
+	case "id", "":
+		field = apikey.FieldID
+	default:
+		field = apikey.FieldID
+	}
+
+	if sortOrder == pagination.SortOrderAsc {
+		return []func(*entsql.Selector){dbent.Asc(field), dbent.Asc(apikey.FieldID)}
+	}
+	return []func(*entsql.Selector){dbent.Desc(field), dbent.Desc(apikey.FieldID)}
+}
+
 // SearchAPIKeys searches API keys by user ID and/or keyword (name)
 func (r *apiKeyRepository) SearchAPIKeys(ctx context.Context, userID int64, keyword string, limit int) ([]service.APIKey, error) {
 	q := r.activeQuery()

backend/internal/repository/api_key_repo_sort_integration_test.go

@@ -0,0 +1,25 @@
+//go:build integration
+
+package repository
+
+import (
+	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
+	"github.com/Wei-Shaw/sub2api/internal/service"
+)
+
+func (s *APIKeyRepoSuite) TestListByUserID_SortByNameAsc() {
+	user := s.mustCreateUser("sort-name@example.com")
+	s.mustCreateApiKey(user.ID, "sk-z", "z-key", nil)
+	s.mustCreateApiKey(user.ID, "sk-a", "a-key", nil)
+
+	keys, _, err := s.repo.ListByUserID(s.ctx, user.ID, pagination.PaginationParams{
+		Page:      1,
+		PageSize:  10,
+		SortBy:    "name",
+		SortOrder: "asc",
+	}, service.APIKeyListFilters{})
+	s.Require().NoError(err)
+	s.Require().Len(keys, 2)
+	s.Require().Equal("a-key", keys[0].Name)
+	s.Require().Equal("z-key", keys[1].Name)
+}

backend/internal/repository/channel_repo.go

@@ -188,8 +188,8 @@ func (r *channelRepository) List(ctx context.Context, params pagination.Paginati
 	// 查询 channel 列表
 	dataQuery := fmt.Sprintf(
 		`SELECT c.id, c.name, c.description, c.status, c.model_mapping, c.billing_model_source, c.restrict_models, c.created_at, c.updated_at
-		 FROM channels c WHERE %s ORDER BY c.id ASC LIMIT $%d OFFSET $%d`,
-		whereClause, argIdx, argIdx+1,
+		 FROM channels c WHERE %s ORDER BY %s LIMIT $%d OFFSET $%d`,
+		whereClause, channelListOrderBy(params), argIdx, argIdx+1,
 	)
 	args = append(args, pageSize, offset)
 
@@ -246,6 +246,31 @@ func (r *channelRepository) List(ctx context.Context, params pagination.Paginati
 	return channels, paginationResult, nil
 }
 
+func channelListOrderBy(params pagination.PaginationParams) string {
+	sortBy := strings.ToLower(strings.TrimSpace(params.SortBy))
+	sortOrder := strings.ToUpper(params.NormalizedSortOrder(pagination.SortOrderAsc))
+
+	column := "c.id"
+	switch sortBy {
+	case "":
+		column = "c.id"
+		sortOrder = "ASC"
+	case "id":
+		column = "c.id"
+	case "name":
+		column = "c.name"
+	case "status":
+		column = "c.status"
+	case "created_at":
+		column = "c.created_at"
+	default:
+		column = "c.id"
+		sortOrder = "ASC"
+	}
+
+	return fmt.Sprintf("%s %s, c.id %s", column, sortOrder, sortOrder)
+}
+
 func (r *channelRepository) ListAll(ctx context.Context) ([]service.Channel, error) {
 	rows, err := r.db.QueryContext(ctx,
 		`SELECT id, name, description, status, model_mapping, billing_model_source, restrict_models, created_at, updated_at FROM channels ORDER BY id`,

backend/internal/repository/channel_repo_test.go

@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"testing"
 
+	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
 	"github.com/lib/pq"
 	"github.com/stretchr/testify/require"
 )
@@ -225,3 +226,12 @@ func TestIsUniqueViolation(t *testing.T) {
 		})
 	}
 }
+
+func TestChannelListOrderBy_AllowsDescendingIDSort(t *testing.T) {
+	params := pagination.PaginationParams{
+		SortBy:    "id",
+		SortOrder: "desc",
+	}
+
+	require.Equal(t, "c.id DESC, c.id DESC", channelListOrderBy(params))
+}

backend/internal/repository/group_repo.go

@@ -5,6 +5,7 @@ import (
 	"database/sql"
 	"errors"
 	"fmt"
+	"sort"
 	"strings"
 
 	dbent "github.com/Wei-Shaw/sub2api/ent"
@@ -14,6 +15,8 @@ import (
 	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
 	"github.com/Wei-Shaw/sub2api/internal/service"
 	"github.com/lib/pq"
+
+	entsql "entgo.io/ent/dialect/sql"
 )
 
 type sqlExecutor interface {
@@ -231,11 +234,18 @@ func (r *groupRepository) ListWithFilters(ctx context.Context, params pagination
 		return nil, nil, err
 	}
 
-	groups, err := q.
+	if strings.EqualFold(strings.TrimSpace(params.SortBy), "account_count") {
+		return r.listWithAccountCountSort(ctx, q, params, total)
+	}
+
+	groupsQuery := q.
 		Offset(params.Offset()).
-		Limit(params.Limit()).
-		Order(dbent.Asc(group.FieldSortOrder), dbent.Asc(group.FieldID)).
-		All(ctx)
+		Limit(params.Limit())
+	for _, order := range groupListOrder(params) {
+		groupsQuery = groupsQuery.Order(order)
+	}
+
+	groups, err := groupsQuery.All(ctx)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -261,6 +271,104 @@ func (r *groupRepository) ListWithFilters(ctx context.Context, params pagination
 	return outGroups, paginationResultFromTotal(int64(total), params), nil
 }
 
+func (r *groupRepository) listWithAccountCountSort(ctx context.Context, q *dbent.GroupQuery, params pagination.PaginationParams, total int) ([]service.Group, *pagination.PaginationResult, error) {
+	groups, err := q.
+		Order(dbent.Asc(group.FieldSortOrder), dbent.Asc(group.FieldID)).
+		All(ctx)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	groupIDs := make([]int64, 0, len(groups))
+	outGroups := make([]service.Group, 0, len(groups))
+	for i := range groups {
+		g := groupEntityToService(groups[i])
+		outGroups = append(outGroups, *g)
+		groupIDs = append(groupIDs, g.ID)
+	}
+
+	counts, err := r.loadAccountCounts(ctx, groupIDs)
+	if err != nil {
+		return nil, nil, err
+	}
+	for i := range outGroups {
+		c := counts[outGroups[i].ID]
+		outGroups[i].AccountCount = c.Total
+		outGroups[i].ActiveAccountCount = c.Active
+		outGroups[i].RateLimitedAccountCount = c.RateLimited
+	}
+
+	sortOrder := params.NormalizedSortOrder(pagination.SortOrderDesc)
+	sort.SliceStable(outGroups, func(i, j int) bool {
+		if outGroups[i].AccountCount == outGroups[j].AccountCount {
+			if outGroups[i].SortOrder == outGroups[j].SortOrder {
+				return outGroups[i].ID < outGroups[j].ID
+			}
+			return outGroups[i].SortOrder < outGroups[j].SortOrder
+		}
+		if sortOrder == pagination.SortOrderAsc {
+			return outGroups[i].AccountCount < outGroups[j].AccountCount
+		}
+		return outGroups[i].AccountCount > outGroups[j].AccountCount
+	})
+
+	return paginateSlice(outGroups, params), paginationResultFromTotal(int64(total), params), nil
+}
+
+func groupListOrder(params pagination.PaginationParams) []func(*entsql.Selector) {
+	sortBy := strings.ToLower(strings.TrimSpace(params.SortBy))
+	sortOrder := params.NormalizedSortOrder(pagination.SortOrderAsc)
+
+	field := group.FieldSortOrder
+	tieField := group.FieldID
+	defaultOrder := true
+	switch sortBy {
+	case "", "sort_order":
+		field = group.FieldSortOrder
+	case "name":
+		field = group.FieldName
+		defaultOrder = false
+	case "platform":
+		field = group.FieldPlatform
+		defaultOrder = false
+	case "billing_type", "subscription_type":
+		field = group.FieldSubscriptionType
+		defaultOrder = false
+	case "rate_multiplier":
+		field = group.FieldRateMultiplier
+		defaultOrder = false
+	case "is_exclusive":
+		field = group.FieldIsExclusive
+		defaultOrder = false
+	case "status":
+		field = group.FieldStatus
+		defaultOrder = false
+	case "created_at":
+		field = group.FieldCreatedAt
+		defaultOrder = false
+	case "id":
+		field = group.FieldID
+		defaultOrder = false
+		tieField = ""
+	default:
+		field = group.FieldSortOrder
+	}
+
+	if sortOrder == pagination.SortOrderDesc && sortBy != "" {
+		if tieField == "" {
+			return []func(*entsql.Selector){dbent.Desc(field)}
+		}
+		return []func(*entsql.Selector){dbent.Desc(field), dbent.Desc(tieField)}
+	}
+	if defaultOrder {
+		return []func(*entsql.Selector){dbent.Asc(group.FieldSortOrder), dbent.Asc(group.FieldID)}
+	}
+	if tieField == "" {
+		return []func(*entsql.Selector){dbent.Asc(field)}
+	}
+	return []func(*entsql.Selector){dbent.Asc(field), dbent.Asc(tieField)}
+}
+
 func (r *groupRepository) ListActive(ctx context.Context) ([]service.Group, error) {
 	groups, err := r.client.Group.Query().
 		Where(group.StatusEQ(service.StatusActive)).

backend/internal/repository/group_repo_sort_integration_test.go

@@ -0,0 +1,44 @@
+//go:build integration
+
+package repository
+
+import (
+	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
+	"github.com/Wei-Shaw/sub2api/internal/service"
+)
+
+func (s *GroupRepoSuite) TestList_DefaultSortBySortOrderAsc() {
+	g1 := &service.Group{Name: "g1", Platform: service.PlatformAnthropic, RateMultiplier: 1, Status: service.StatusActive, SubscriptionType: service.SubscriptionTypeStandard, SortOrder: 20}
+	g2 := &service.Group{Name: "g2", Platform: service.PlatformAnthropic, RateMultiplier: 1, Status: service.StatusActive, SubscriptionType: service.SubscriptionTypeStandard, SortOrder: 10}
+	s.Require().NoError(s.repo.Create(s.ctx, g1))
+	s.Require().NoError(s.repo.Create(s.ctx, g2))
+
+	groups, _, err := s.repo.List(s.ctx, pagination.PaginationParams{Page: 1, PageSize: 10})
+	s.Require().NoError(err)
+	s.Require().Len(groups, 2)
+	s.Require().Equal(g2.ID, groups[0].ID)
+	s.Require().Equal(g1.ID, groups[1].ID)
+}
+
+func (s *GroupRepoSuite) TestList_SortBySortOrderDesc() {
+	g1 := &service.Group{Name: "g1", Platform: service.PlatformAnthropic, RateMultiplier: 1, Status: service.StatusActive, SubscriptionType: service.SubscriptionTypeStandard, SortOrder: 40}
+	g2 := &service.Group{Name: "g2", Platform: service.PlatformAnthropic, RateMultiplier: 1, Status: service.StatusActive, SubscriptionType: service.SubscriptionTypeStandard, SortOrder: 50}
+	s.Require().NoError(s.repo.Create(s.ctx, g1))
+	s.Require().NoError(s.repo.Create(s.ctx, g2))
+
+	groups, _, err := s.repo.List(s.ctx, pagination.PaginationParams{
+		Page:      1,
+		PageSize:  10,
+		SortBy:    "sort_order",
+		SortOrder: "desc",
+	})
+	s.Require().NoError(err)
+	s.Require().GreaterOrEqual(len(groups), 2)
+	indexByID := make(map[int64]int, len(groups))
+	for i, group := range groups {
+		indexByID[group.ID] = i
+	}
+	s.Require().Contains(indexByID, g1.ID)
+	s.Require().Contains(indexByID, g2.ID)
+	s.Require().Less(indexByID[g2.ID], indexByID[g1.ID])
+}

backend/internal/repository/pagination.go

@@ -14,3 +14,22 @@ func paginationResultFromTotal(total int64, params pagination.PaginationParams)
 		Pages:    pages,
 	}
 }
+
+func paginateSlice[T any](items []T, params pagination.PaginationParams) []T {
+	if len(items) == 0 {
+		return []T{}
+	}
+
+	offset := params.Offset()
+	if offset >= len(items) {
+		return []T{}
+	}
+
+	limit := params.Limit()
+	end := offset + limit
+	if end > len(items) {
+		end = len(items)
+	}
+
+	return items[offset:end]
+}

backend/internal/repository/promo_code_repo.go

@@ -2,12 +2,15 @@ package repository
 
 import (
 	"context"
+	"strings"
 
 	dbent "github.com/Wei-Shaw/sub2api/ent"
 	"github.com/Wei-Shaw/sub2api/ent/promocode"
 	"github.com/Wei-Shaw/sub2api/ent/promocodeusage"
 	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
 	"github.com/Wei-Shaw/sub2api/internal/service"
+
+	entsql "entgo.io/ent/dialect/sql"
 )
 
 type promoCodeRepository struct {
@@ -137,11 +140,14 @@ func (r *promoCodeRepository) ListWithFilters(ctx context.Context, params pagina
 		return nil, nil, err
 	}
 
-	codes, err := q.
+	codesQuery := q.
 		Offset(params.Offset()).
-		Limit(params.Limit()).
-		Order(dbent.Desc(promocode.FieldID)).
-		All(ctx)
+		Limit(params.Limit())
+	for _, order := range promoCodeListOrder(params) {
+		codesQuery = codesQuery.Order(order)
+	}
+
+	codes, err := codesQuery.All(ctx)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -151,6 +157,34 @@ func (r *promoCodeRepository) ListWithFilters(ctx context.Context, params pagina
 	return outCodes, paginationResultFromTotal(int64(total), params), nil
 }
 
+func promoCodeListOrder(params pagination.PaginationParams) []func(*entsql.Selector) {
+	sortBy := strings.ToLower(strings.TrimSpace(params.SortBy))
+	sortOrder := params.NormalizedSortOrder(pagination.SortOrderDesc)
+
+	field := promocode.FieldID
+	switch sortBy {
+	case "bonus_amount":
+		field = promocode.FieldBonusAmount
+	case "status":
+		field = promocode.FieldStatus
+	case "expires_at":
+		field = promocode.FieldExpiresAt
+	case "created_at":
+		field = promocode.FieldCreatedAt
+	case "code":
+		field = promocode.FieldCode
+	case "id", "":
+		field = promocode.FieldID
+	default:
+		field = promocode.FieldID
+	}
+
+	if sortOrder == pagination.SortOrderAsc {
+		return []func(*entsql.Selector){dbent.Asc(field), dbent.Asc(promocode.FieldID)}
+	}
+	return []func(*entsql.Selector){dbent.Desc(field), dbent.Desc(promocode.FieldID)}
+}
+
 func (r *promoCodeRepository) CreateUsage(ctx context.Context, usage *service.PromoCodeUsage) error {
 	client := clientFromContext(ctx, r.client)
 	created, err := client.PromoCodeUsage.Create().

backend/internal/repository/proxy_repo.go

@@ -3,12 +3,16 @@ package repository
 import (
 	"context"
 	"database/sql"
+	"sort"
+	"strings"
 
 	dbent "github.com/Wei-Shaw/sub2api/ent"
 	"github.com/Wei-Shaw/sub2api/ent/proxy"
 	"github.com/Wei-Shaw/sub2api/internal/service"
 
 	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
+
+	entsql "entgo.io/ent/dialect/sql"
 )
 
 type sqlQuerier interface {
@@ -135,11 +139,14 @@ func (r *proxyRepository) ListWithFilters(ctx context.Context, params pagination
 		return nil, nil, err
 	}
 
-	proxies, err := q.
+	proxiesQuery := q.
 		Offset(params.Offset()).
-		Limit(params.Limit()).
-		Order(dbent.Desc(proxy.FieldID)).
-		All(ctx)
+		Limit(params.Limit())
+	for _, order := range proxyListOrder(params) {
+		proxiesQuery = proxiesQuery.Order(order)
+	}
+
+	proxies, err := proxiesQuery.All(ctx)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -170,22 +177,58 @@ func (r *proxyRepository) ListWithFiltersAndAccountCount(ctx context.Context, pa
 		return nil, nil, err
 	}
 
-	proxies, err := q.
+	if strings.EqualFold(strings.TrimSpace(params.SortBy), "account_count") {
+		return r.listWithAccountCountSort(ctx, q, params, total)
+	}
+
+	proxiesQuery := q.
 		Offset(params.Offset()).
-		Limit(params.Limit()).
+		Limit(params.Limit())
+	for _, order := range proxyListOrder(params) {
+		proxiesQuery = proxiesQuery.Order(order)
+	}
+
+	proxies, err := proxiesQuery.All(ctx)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	return r.buildProxyWithAccountCountResult(ctx, proxies, params, int64(total))
+}
+
+func (r *proxyRepository) listWithAccountCountSort(ctx context.Context, q *dbent.ProxyQuery, params pagination.PaginationParams, total int) ([]service.ProxyWithAccountCount, *pagination.PaginationResult, error) {
+	proxies, err := q.
 		Order(dbent.Desc(proxy.FieldID)).
 		All(ctx)
 	if err != nil {
 		return nil, nil, err
 	}
 
-	// Get account counts
+	result, _, err := r.buildProxyWithAccountCountResult(ctx, proxies, params, int64(total))
+	if err != nil {
+		return nil, nil, err
+	}
+
+	sortOrder := params.NormalizedSortOrder(pagination.SortOrderDesc)
+	sort.SliceStable(result, func(i, j int) bool {
+		if result[i].AccountCount == result[j].AccountCount {
+			return result[i].ID > result[j].ID
+		}
+		if sortOrder == pagination.SortOrderAsc {
+			return result[i].AccountCount < result[j].AccountCount
+		}
+		return result[i].AccountCount > result[j].AccountCount
+	})
+
+	return paginateSlice(result, params), paginationResultFromTotal(int64(total), params), nil
+}
+
+func (r *proxyRepository) buildProxyWithAccountCountResult(ctx context.Context, proxies []*dbent.Proxy, params pagination.PaginationParams, total int64) ([]service.ProxyWithAccountCount, *pagination.PaginationResult, error) {
 	counts, err := r.GetAccountCountsForProxies(ctx)
 	if err != nil {
 		return nil, nil, err
 	}
 
-	// Build result with account counts
 	result := make([]service.ProxyWithAccountCount, 0, len(proxies))
 	for i := range proxies {
 		proxyOut := proxyEntityToService(proxies[i])
@@ -198,7 +241,33 @@ func (r *proxyRepository) ListWithFiltersAndAccountCount(ctx context.Context, pa
 		})
 	}
 
-	return result, paginationResultFromTotal(int64(total), params), nil
+	return result, paginationResultFromTotal(total, params), nil
+}
+
+func proxyListOrder(params pagination.PaginationParams) []func(*entsql.Selector) {
+	sortBy := strings.ToLower(strings.TrimSpace(params.SortBy))
+	sortOrder := params.NormalizedSortOrder(pagination.SortOrderDesc)
+
+	field := proxy.FieldID
+	switch sortBy {
+	case "name":
+		field = proxy.FieldName
+	case "protocol":
+		field = proxy.FieldProtocol
+	case "status":
+		field = proxy.FieldStatus
+	case "created_at":
+		field = proxy.FieldCreatedAt
+	case "id", "":
+		field = proxy.FieldID
+	default:
+		field = proxy.FieldID
+	}
+
+	if sortOrder == pagination.SortOrderAsc {
+		return []func(*entsql.Selector){dbent.Asc(field), dbent.Asc(proxy.FieldID)}
+	}
+	return []func(*entsql.Selector){dbent.Desc(field), dbent.Desc(proxy.FieldID)}
 }
 
 func (r *proxyRepository) ListActive(ctx context.Context) ([]service.Proxy, error) {

backend/internal/repository/proxy_repo_sort_integration_test.go

@@ -0,0 +1,28 @@
+//go:build integration
+
+package repository
+
+import (
+	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
+	"github.com/Wei-Shaw/sub2api/internal/service"
+)
+
+func (s *ProxyRepoSuite) TestListWithFiltersAndAccountCount_SortByAccountCountDesc() {
+	p1 := s.mustCreateProxy(&service.Proxy{Name: "p1", Protocol: "http", Host: "127.0.0.1", Port: 8080, Status: service.StatusActive})
+	p2 := s.mustCreateProxy(&service.Proxy{Name: "p2", Protocol: "http", Host: "127.0.0.1", Port: 8081, Status: service.StatusActive})
+	s.mustInsertAccount("a1", &p1.ID)
+	s.mustInsertAccount("a2", &p1.ID)
+	s.mustInsertAccount("a3", &p2.ID)
+
+	proxies, _, err := s.repo.ListWithFiltersAndAccountCount(s.ctx, pagination.PaginationParams{
+		Page:      1,
+		PageSize:  10,
+		SortBy:    "account_count",
+		SortOrder: "desc",
+	}, "", "", "")
+	s.Require().NoError(err)
+	s.Require().Len(proxies, 2)
+	s.Require().Equal(p1.ID, proxies[0].ID)
+	s.Require().Equal(int64(2), proxies[0].AccountCount)
+	s.Require().Equal(p2.ID, proxies[1].ID)
+}

backend/internal/repository/redeem_code_repo.go

@@ -2,6 +2,7 @@ package repository
 
 import (
 	"context"
+	"strings"
 	"time"
 
 	dbent "github.com/Wei-Shaw/sub2api/ent"
@@ -9,6 +10,8 @@ import (
 	"github.com/Wei-Shaw/sub2api/ent/user"
 	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
 	"github.com/Wei-Shaw/sub2api/internal/service"
+
+	entsql "entgo.io/ent/dialect/sql"
 )
 
 type redeemCodeRepository struct {
@@ -120,13 +123,16 @@ func (r *redeemCodeRepository) ListWithFilters(ctx context.Context, params pagin
 		return nil, nil, err
 	}
 
-	codes, err := q.
+	codesQuery := q.
 		WithUser().
 		WithGroup().
 		Offset(params.Offset()).
-		Limit(params.Limit()).
-		Order(dbent.Desc(redeemcode.FieldID)).
-		All(ctx)
+		Limit(params.Limit())
+	for _, order := range redeemCodeListOrder(params) {
+		codesQuery = codesQuery.Order(order)
+	}
+
+	codes, err := codesQuery.All(ctx)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -136,6 +142,36 @@ func (r *redeemCodeRepository) ListWithFilters(ctx context.Context, params pagin
 	return outCodes, paginationResultFromTotal(int64(total), params), nil
 }
 
+func redeemCodeListOrder(params pagination.PaginationParams) []func(*entsql.Selector) {
+	sortBy := strings.ToLower(strings.TrimSpace(params.SortBy))
+	sortOrder := params.NormalizedSortOrder(pagination.SortOrderDesc)
+
+	field := redeemcode.FieldID
+	switch sortBy {
+	case "type":
+		field = redeemcode.FieldType
+	case "value":
+		field = redeemcode.FieldValue
+	case "status":
+		field = redeemcode.FieldStatus
+	case "used_at":
+		field = redeemcode.FieldUsedAt
+	case "created_at":
+		field = redeemcode.FieldCreatedAt
+	case "code":
+		field = redeemcode.FieldCode
+	case "id", "":
+		field = redeemcode.FieldID
+	default:
+		field = redeemcode.FieldID
+	}
+
+	if sortOrder == pagination.SortOrderAsc {
+		return []func(*entsql.Selector){dbent.Asc(field), dbent.Asc(redeemcode.FieldID)}
+	}
+	return []func(*entsql.Selector){dbent.Desc(field), dbent.Desc(redeemcode.FieldID)}
+}
+
 func (r *redeemCodeRepository) Update(ctx context.Context, code *service.RedeemCode) error {
 	up := r.client.RedeemCode.UpdateOneID(code.ID).
 		SetCode(code.Code).

backend/internal/repository/redeem_code_repo_sort_integration_test.go

@@ -0,0 +1,24 @@
+//go:build integration
+
+package repository
+
+import (
+	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
+	"github.com/Wei-Shaw/sub2api/internal/service"
+)
+
+func (s *RedeemCodeRepoSuite) TestListWithFilters_SortByValueAsc() {
+	s.Require().NoError(s.repo.Create(s.ctx, &service.RedeemCode{Code: "VALUE-20", Type: service.RedeemTypeBalance, Value: 20, Status: service.StatusUnused}))
+	s.Require().NoError(s.repo.Create(s.ctx, &service.RedeemCode{Code: "VALUE-10", Type: service.RedeemTypeBalance, Value: 10, Status: service.StatusUnused}))
+
+	codes, _, err := s.repo.ListWithFilters(s.ctx, pagination.PaginationParams{
+		Page:      1,
+		PageSize:  10,
+		SortBy:    "value",
+		SortOrder: "asc",
+	}, "", "", "")
+	s.Require().NoError(err)
+	s.Require().Len(codes, 2)
+	s.Require().Equal("VALUE-10", codes[0].Code)
+	s.Require().Equal("VALUE-20", codes[1].Code)
+}

backend/internal/repository/usage_log_repo.go

@@ -3771,7 +3771,7 @@ func (r *usageLogRepository) listUsageLogsWithPagination(ctx context.Context, wh
 	limitPos := len(args) + 1
 	offsetPos := len(args) + 2
 	listArgs := append(append([]any{}, args...), params.Limit(), params.Offset())
-	query := fmt.Sprintf("SELECT %s FROM usage_logs %s ORDER BY id DESC LIMIT $%d OFFSET $%d", usageLogSelectColumns, whereClause, limitPos, offsetPos)
+	query := fmt.Sprintf("SELECT %s FROM usage_logs %s ORDER BY %s LIMIT $%d OFFSET $%d", usageLogSelectColumns, whereClause, usageLogOrderBy(params), limitPos, offsetPos)
 	logs, err := r.queryUsageLogs(ctx, query, listArgs...)
 	if err != nil {
 		return nil, nil, err
@@ -3786,7 +3786,7 @@ func (r *usageLogRepository) listUsageLogsWithFastPagination(ctx context.Context
 	limitPos := len(args) + 1
 	offsetPos := len(args) + 2
 	listArgs := append(append([]any{}, args...), limit+1, offset)
-	query := fmt.Sprintf("SELECT %s FROM usage_logs %s ORDER BY id DESC LIMIT $%d OFFSET $%d", usageLogSelectColumns, whereClause, limitPos, offsetPos)
+	query := fmt.Sprintf("SELECT %s FROM usage_logs %s ORDER BY %s LIMIT $%d OFFSET $%d", usageLogSelectColumns, whereClause, usageLogOrderBy(params), limitPos, offsetPos)
 
 	logs, err := r.queryUsageLogs(ctx, query, listArgs...)
 	if err != nil {
@@ -3808,6 +3808,28 @@ func (r *usageLogRepository) listUsageLogsWithFastPagination(ctx context.Context
 	return logs, paginationResultFromTotal(total, params), nil
 }
 
+func usageLogOrderBy(params pagination.PaginationParams) string {
+	sortBy := strings.ToLower(strings.TrimSpace(params.SortBy))
+	sortOrder := strings.ToUpper(params.NormalizedSortOrder(pagination.SortOrderDesc))
+
+	column := "id"
+	switch sortBy {
+	case "model":
+		column = "COALESCE(NULLIF(TRIM(requested_model), ''), model)"
+	case "created_at":
+		column = "created_at"
+	case "id", "":
+		column = "id"
+	default:
+		column = "id"
+	}
+
+	if column == "id" {
+		return fmt.Sprintf("id %s", sortOrder)
+	}
+	return fmt.Sprintf("%s %s, id %s", column, sortOrder, sortOrder)
+}
+
 func (r *usageLogRepository) queryUsageLogs(ctx context.Context, query string, args ...any) (logs []service.UsageLog, err error) {
 	rows, err := r.sql.QueryContext(ctx, query, args...)
 	if err != nil {

backend/internal/repository/usage_log_repo_sort_integration_test.go

@@ -0,0 +1,61 @@
+//go:build integration
+
+package repository
+
+import (
+	"time"
+
+	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
+	"github.com/Wei-Shaw/sub2api/internal/pkg/usagestats"
+	"github.com/Wei-Shaw/sub2api/internal/service"
+	"github.com/google/uuid"
+)
+
+func (s *UsageLogRepoSuite) TestListWithFilters_SortByModelAsc() {
+	user := mustCreateUser(s.T(), s.client, &service.User{Email: "usage-sort@example.com"})
+	apiKey := mustCreateApiKey(s.T(), s.client, &service.APIKey{UserID: user.ID, Key: "sk-usage-sort", Name: "k"})
+	account := mustCreateAccount(s.T(), s.client, &service.Account{Name: "usage-sort-account"})
+
+	first := &service.UsageLog{
+		UserID:         user.ID,
+		APIKeyID:       apiKey.ID,
+		AccountID:      account.ID,
+		RequestID:      uuid.New().String(),
+		Model:          "z-model",
+		RequestedModel: "z-model",
+		InputTokens:    10,
+		OutputTokens:   20,
+		TotalCost:      0.5,
+		ActualCost:     0.5,
+		CreatedAt:      time.Now(),
+	}
+	_, err := s.repo.Create(s.ctx, first)
+	s.Require().NoError(err)
+
+	second := &service.UsageLog{
+		UserID:         user.ID,
+		APIKeyID:       apiKey.ID,
+		AccountID:      account.ID,
+		RequestID:      uuid.New().String(),
+		Model:          "a-model",
+		RequestedModel: "a-model",
+		InputTokens:    10,
+		OutputTokens:   20,
+		TotalCost:      0.5,
+		ActualCost:     0.5,
+		CreatedAt:      time.Now().Add(time.Second),
+	}
+	_, err = s.repo.Create(s.ctx, second)
+	s.Require().NoError(err)
+
+	logs, _, err := s.repo.ListWithFilters(s.ctx, pagination.PaginationParams{
+		Page:      1,
+		PageSize:  10,
+		SortBy:    "model",
+		SortOrder: "asc",
+	}, usagestats.UsageLogFilters{UserID: user.ID})
+	s.Require().NoError(err)
+	s.Require().Len(logs, 2)
+	s.Require().Equal("a-model", logs[0].RequestedModel)
+	s.Require().Equal("z-model", logs[1].RequestedModel)
+}

backend/internal/repository/user_repo.go

@@ -17,6 +17,8 @@ import (
 	"github.com/Wei-Shaw/sub2api/ent/usersubscription"
 	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
 	"github.com/Wei-Shaw/sub2api/internal/service"
+
+	entsql "entgo.io/ent/dialect/sql"
 )
 
 type userRepository struct {
@@ -224,11 +226,14 @@ func (r *userRepository) ListWithFilters(ctx context.Context, params pagination.
 		return nil, nil, err
 	}
 
-	users, err := q.
+	usersQuery := q.
 		Offset(params.Offset()).
-		Limit(params.Limit()).
-		Order(dbent.Desc(dbuser.FieldID)).
-		All(ctx)
+		Limit(params.Limit())
+	for _, order := range userListOrder(params) {
+		usersQuery = usersQuery.Order(order)
+	}
+
+	users, err := usersQuery.All(ctx)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -281,6 +286,52 @@ func (r *userRepository) ListWithFilters(ctx context.Context, params pagination.
 	return outUsers, paginationResultFromTotal(int64(total), params), nil
 }
 
+func userListOrder(params pagination.PaginationParams) []func(*entsql.Selector) {
+	sortBy := strings.ToLower(strings.TrimSpace(params.SortBy))
+	sortOrder := params.NormalizedSortOrder(pagination.SortOrderDesc)
+
+	field := dbuser.FieldID
+	defaultField := true
+	switch sortBy {
+	case "email":
+		field = dbuser.FieldEmail
+		defaultField = false
+	case "id", "":
+		field = dbuser.FieldID
+	case "username":
+		field = dbuser.FieldUsername
+		defaultField = false
+	case "role":
+		field = dbuser.FieldRole
+		defaultField = false
+	case "balance":
+		field = dbuser.FieldBalance
+		defaultField = false
+	case "concurrency":
+		field = dbuser.FieldConcurrency
+		defaultField = false
+	case "status":
+		field = dbuser.FieldStatus
+		defaultField = false
+	case "created_at":
+		field = dbuser.FieldCreatedAt
+		defaultField = false
+	default:
+		field = dbuser.FieldID
+	}
+
+	if sortOrder == pagination.SortOrderAsc {
+		if defaultField && field == dbuser.FieldID {
+			return []func(*entsql.Selector){dbent.Asc(dbuser.FieldID)}
+		}
+		return []func(*entsql.Selector){dbent.Asc(field), dbent.Asc(dbuser.FieldID)}
+	}
+	if defaultField && field == dbuser.FieldID {
+		return []func(*entsql.Selector){dbent.Desc(dbuser.FieldID)}
+	}
+	return []func(*entsql.Selector){dbent.Desc(field), dbent.Desc(dbuser.FieldID)}
+}
+
 // filterUsersByAttributes returns user IDs that match ALL the given attribute filters
 func (r *userRepository) filterUsersByAttributes(ctx context.Context, attrs map[int64]string) ([]int64, error) {
 	if len(attrs) == 0 {

backend/internal/repository/user_repo_sort_integration_test.go

@@ -0,0 +1,39 @@
+//go:build integration
+
+package repository
+
+import (
+	"testing"
+
+	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
+	"github.com/Wei-Shaw/sub2api/internal/service"
+)
+
+func (s *UserRepoSuite) TestListWithFilters_SortByEmailAsc() {
+	s.mustCreateUser(&service.User{Email: "z-last@example.com", Username: "z-user"})
+	s.mustCreateUser(&service.User{Email: "a-first@example.com", Username: "a-user"})
+
+	users, _, err := s.repo.ListWithFilters(s.ctx, pagination.PaginationParams{
+		Page:      1,
+		PageSize:  10,
+		SortBy:    "email",
+		SortOrder: "asc",
+	}, service.UserListFilters{})
+	s.Require().NoError(err)
+	s.Require().Len(users, 2)
+	s.Require().Equal("a-first@example.com", users[0].Email)
+	s.Require().Equal("z-last@example.com", users[1].Email)
+}
+
+func (s *UserRepoSuite) TestList_DefaultSortByNewestFirst() {
+	first := s.mustCreateUser(&service.User{Email: "first@example.com"})
+	second := s.mustCreateUser(&service.User{Email: "second@example.com"})
+
+	users, _, err := s.repo.List(s.ctx, pagination.PaginationParams{Page: 1, PageSize: 10})
+	s.Require().NoError(err)
+	s.Require().Len(users, 2)
+	s.Require().Equal(second.ID, users[0].ID)
+	s.Require().Equal(first.ID, users[1].ID)
+}
+
+func TestUserRepoSortSuiteSmoke(_ *testing.T) {}

backend/internal/server/api_contract_test.go

@@ -532,6 +532,8 @@ func TestAPIContracts(t *testing.T) {
 					"hide_ccs_import_button": false,
 					"purchase_subscription_enabled": false,
 					"purchase_subscription_url": "",
+					"table_default_page_size": 20,
+						"table_page_size_options": [10, 20, 50],
 					"min_claude_code_version": "",
 					"max_claude_code_version": "",
 					"allow_ungrouped_key_scheduling": false,

backend/internal/service/admin_service.go

@@ -21,13 +21,13 @@ import (
 // AdminService interface defines admin management operations
 type AdminService interface {
 	// User management
-	ListUsers(ctx context.Context, page, pageSize int, filters UserListFilters) ([]User, int64, error)
+	ListUsers(ctx context.Context, page, pageSize int, filters UserListFilters, sortBy, sortOrder string) ([]User, int64, error)
 	GetUser(ctx context.Context, id int64) (*User, error)
 	CreateUser(ctx context.Context, input *CreateUserInput) (*User, error)
 	UpdateUser(ctx context.Context, id int64, input *UpdateUserInput) (*User, error)
 	DeleteUser(ctx context.Context, id int64) error
 	UpdateUserBalance(ctx context.Context, userID int64, balance float64, operation string, notes string) (*User, error)
-	GetUserAPIKeys(ctx context.Context, userID int64, page, pageSize int) ([]APIKey, int64, error)
+	GetUserAPIKeys(ctx context.Context, userID int64, page, pageSize int, sortBy, sortOrder string) ([]APIKey, int64, error)
 	GetUserUsageStats(ctx context.Context, userID int64, period string) (any, error)
 	// GetUserBalanceHistory returns paginated balance/concurrency change records for a user.
 	// codeType is optional - pass empty string to return all types.
@@ -35,7 +35,7 @@ type AdminService interface {
 	GetUserBalanceHistory(ctx context.Context, userID int64, page, pageSize int, codeType string) ([]RedeemCode, int64, float64, error)
 
 	// Group management
-	ListGroups(ctx context.Context, page, pageSize int, platform, status, search string, isExclusive *bool) ([]Group, int64, error)
+	ListGroups(ctx context.Context, page, pageSize int, platform, status, search string, isExclusive *bool, sortBy, sortOrder string) ([]Group, int64, error)
 	GetAllGroups(ctx context.Context) ([]Group, error)
 	GetAllGroupsByPlatform(ctx context.Context, platform string) ([]Group, error)
 	GetGroup(ctx context.Context, id int64) (*Group, error)
@@ -55,7 +55,7 @@ type AdminService interface {
 	ReplaceUserGroup(ctx context.Context, userID, oldGroupID, newGroupID int64) (*ReplaceUserGroupResult, error)
 
 	// Account management
-	ListAccounts(ctx context.Context, page, pageSize int, platform, accountType, status, search string, groupID int64, privacyMode string) ([]Account, int64, error)
+	ListAccounts(ctx context.Context, page, pageSize int, platform, accountType, status, search string, groupID int64, privacyMode string, sortBy, sortOrder string) ([]Account, int64, error)
 	GetAccount(ctx context.Context, id int64) (*Account, error)
 	GetAccountsByIDs(ctx context.Context, ids []int64) ([]*Account, error)
 	CreateAccount(ctx context.Context, input *CreateAccountInput) (*Account, error)
@@ -77,8 +77,8 @@ type AdminService interface {
 	CheckMixedChannelRisk(ctx context.Context, currentAccountID int64, currentAccountPlatform string, groupIDs []int64) error
 
 	// Proxy management
-	ListProxies(ctx context.Context, page, pageSize int, protocol, status, search string) ([]Proxy, int64, error)
-	ListProxiesWithAccountCount(ctx context.Context, page, pageSize int, protocol, status, search string) ([]ProxyWithAccountCount, int64, error)
+	ListProxies(ctx context.Context, page, pageSize int, protocol, status, search string, sortBy, sortOrder string) ([]Proxy, int64, error)
+	ListProxiesWithAccountCount(ctx context.Context, page, pageSize int, protocol, status, search string, sortBy, sortOrder string) ([]ProxyWithAccountCount, int64, error)
 	GetAllProxies(ctx context.Context) ([]Proxy, error)
 	GetAllProxiesWithAccountCount(ctx context.Context) ([]ProxyWithAccountCount, error)
 	GetProxy(ctx context.Context, id int64) (*Proxy, error)
@@ -93,7 +93,7 @@ type AdminService interface {
 	CheckProxyQuality(ctx context.Context, id int64) (*ProxyQualityCheckResult, error)
 
 	// Redeem code management
-	ListRedeemCodes(ctx context.Context, page, pageSize int, codeType, status, search string) ([]RedeemCode, int64, error)
+	ListRedeemCodes(ctx context.Context, page, pageSize int, codeType, status, search string, sortBy, sortOrder string) ([]RedeemCode, int64, error)
 	GetRedeemCode(ctx context.Context, id int64) (*RedeemCode, error)
 	GenerateRedeemCodes(ctx context.Context, input *GenerateRedeemCodesInput) ([]RedeemCode, error)
 	DeleteRedeemCode(ctx context.Context, id int64) error
@@ -483,8 +483,8 @@ func NewAdminService(
 }
 
 // User management implementations
-func (s *adminServiceImpl) ListUsers(ctx context.Context, page, pageSize int, filters UserListFilters) ([]User, int64, error) {
-	params := pagination.PaginationParams{Page: page, PageSize: pageSize}
+func (s *adminServiceImpl) ListUsers(ctx context.Context, page, pageSize int, filters UserListFilters, sortBy, sortOrder string) ([]User, int64, error) {
+	params := pagination.PaginationParams{Page: page, PageSize: pageSize, SortBy: sortBy, SortOrder: sortOrder}
 	users, result, err := s.userRepo.ListWithFilters(ctx, params, filters)
 	if err != nil {
 		return nil, 0, err
@@ -751,8 +751,8 @@ func (s *adminServiceImpl) UpdateUserBalance(ctx context.Context, userID int64,
 	return user, nil
 }
 
-func (s *adminServiceImpl) GetUserAPIKeys(ctx context.Context, userID int64, page, pageSize int) ([]APIKey, int64, error) {
-	params := pagination.PaginationParams{Page: page, PageSize: pageSize}
+func (s *adminServiceImpl) GetUserAPIKeys(ctx context.Context, userID int64, page, pageSize int, sortBy, sortOrder string) ([]APIKey, int64, error) {
+	params := pagination.PaginationParams{Page: page, PageSize: pageSize, SortBy: sortBy, SortOrder: sortOrder}
 	keys, result, err := s.apiKeyRepo.ListByUserID(ctx, userID, params, APIKeyListFilters{})
 	if err != nil {
 		return nil, 0, err
@@ -787,8 +787,8 @@ func (s *adminServiceImpl) GetUserBalanceHistory(ctx context.Context, userID int
 }
 
 // Group management implementations
-func (s *adminServiceImpl) ListGroups(ctx context.Context, page, pageSize int, platform, status, search string, isExclusive *bool) ([]Group, int64, error) {
-	params := pagination.PaginationParams{Page: page, PageSize: pageSize}
+func (s *adminServiceImpl) ListGroups(ctx context.Context, page, pageSize int, platform, status, search string, isExclusive *bool, sortBy, sortOrder string) ([]Group, int64, error) {
+	params := pagination.PaginationParams{Page: page, PageSize: pageSize, SortBy: sortBy, SortOrder: sortOrder}
 	groups, result, err := s.groupRepo.ListWithFilters(ctx, params, platform, status, search, isExclusive)
 	if err != nil {
 		return nil, 0, err
@@ -1456,8 +1456,8 @@ func (s *adminServiceImpl) ReplaceUserGroup(ctx context.Context, userID, oldGrou
 }
 
 // Account management implementations
-func (s *adminServiceImpl) ListAccounts(ctx context.Context, page, pageSize int, platform, accountType, status, search string, groupID int64, privacyMode string) ([]Account, int64, error) {
-	params := pagination.PaginationParams{Page: page, PageSize: pageSize}
+func (s *adminServiceImpl) ListAccounts(ctx context.Context, page, pageSize int, platform, accountType, status, search string, groupID int64, privacyMode string, sortBy, sortOrder string) ([]Account, int64, error) {
+	params := pagination.PaginationParams{Page: page, PageSize: pageSize, SortBy: sortBy, SortOrder: sortOrder}
 	accounts, result, err := s.accountRepo.ListWithFilters(ctx, params, platform, accountType, status, search, groupID, privacyMode)
 	if err != nil {
 		return nil, 0, err
@@ -1885,8 +1885,8 @@ func (s *adminServiceImpl) SetAccountSchedulable(ctx context.Context, id int64,
 }
 
 // Proxy management implementations
-func (s *adminServiceImpl) ListProxies(ctx context.Context, page, pageSize int, protocol, status, search string) ([]Proxy, int64, error) {
-	params := pagination.PaginationParams{Page: page, PageSize: pageSize}
+func (s *adminServiceImpl) ListProxies(ctx context.Context, page, pageSize int, protocol, status, search string, sortBy, sortOrder string) ([]Proxy, int64, error) {
+	params := pagination.PaginationParams{Page: page, PageSize: pageSize, SortBy: sortBy, SortOrder: sortOrder}
 	proxies, result, err := s.proxyRepo.ListWithFilters(ctx, params, protocol, status, search)
 	if err != nil {
 		return nil, 0, err
@@ -1894,8 +1894,8 @@ func (s *adminServiceImpl) ListProxies(ctx context.Context, page, pageSize int,
 	return proxies, result.Total, nil
 }
 
-func (s *adminServiceImpl) ListProxiesWithAccountCount(ctx context.Context, page, pageSize int, protocol, status, search string) ([]ProxyWithAccountCount, int64, error) {
-	params := pagination.PaginationParams{Page: page, PageSize: pageSize}
+func (s *adminServiceImpl) ListProxiesWithAccountCount(ctx context.Context, page, pageSize int, protocol, status, search string, sortBy, sortOrder string) ([]ProxyWithAccountCount, int64, error) {
+	params := pagination.PaginationParams{Page: page, PageSize: pageSize, SortBy: sortBy, SortOrder: sortOrder}
 	proxies, result, err := s.proxyRepo.ListWithFiltersAndAccountCount(ctx, params, protocol, status, search)
 	if err != nil {
 		return nil, 0, err
@@ -2032,8 +2032,8 @@ func (s *adminServiceImpl) CheckProxyExists(ctx context.Context, host string, po
 }
 
 // Redeem code management implementations
-func (s *adminServiceImpl) ListRedeemCodes(ctx context.Context, page, pageSize int, codeType, status, search string) ([]RedeemCode, int64, error) {
-	params := pagination.PaginationParams{Page: page, PageSize: pageSize}
+func (s *adminServiceImpl) ListRedeemCodes(ctx context.Context, page, pageSize int, codeType, status, search string, sortBy, sortOrder string) ([]RedeemCode, int64, error) {
+	params := pagination.PaginationParams{Page: page, PageSize: pageSize, SortBy: sortBy, SortOrder: sortOrder}
 	codes, result, err := s.redeemCodeRepo.ListWithFilters(ctx, params, codeType, status, search)
 	if err != nil {
 		return nil, 0, err

backend/internal/service/admin_service_group_test.go

@@ -120,6 +120,22 @@ func (s *groupRepoStubForAdmin) UpdateSortOrders(_ context.Context, _ []GroupSor
 	return nil
 }
 
+func TestAdminService_ListGroups_PassesSortParams(t *testing.T) {
+	repo := &groupRepoStubForAdmin{
+		listWithFiltersGroups: []Group{{ID: 1, Name: "g1"}},
+	}
+	svc := &adminServiceImpl{groupRepo: repo}
+
+	_, _, err := svc.ListGroups(context.Background(), 3, 25, PlatformOpenAI, StatusActive, "needle", nil, "account_count", "ASC")
+	require.NoError(t, err)
+	require.Equal(t, pagination.PaginationParams{
+		Page:      3,
+		PageSize:  25,
+		SortBy:    "account_count",
+		SortOrder: "ASC",
+	}, repo.listWithFiltersParams)
+}
+
 // TestAdminService_CreateGroup_WithImagePricing 测试创建分组时 ImagePrice 字段正确传递
 func TestAdminService_CreateGroup_WithImagePricing(t *testing.T) {
 	repo := &groupRepoStubForAdmin{}
@@ -258,7 +274,7 @@ func TestAdminService_ListGroups_WithSearch(t *testing.T) {
 		}
 		svc := &adminServiceImpl{groupRepo: repo}
 
-		groups, total, err := svc.ListGroups(context.Background(), 1, 20, "", "", "alpha", nil)
+		groups, total, err := svc.ListGroups(context.Background(), 1, 20, "", "", "alpha", nil, "", "")
 		require.NoError(t, err)
 		require.Equal(t, int64(1), total)
 		require.Equal(t, []Group{{ID: 1, Name: "alpha"}}, groups)
@@ -276,7 +292,7 @@ func TestAdminService_ListGroups_WithSearch(t *testing.T) {
 		}
 		svc := &adminServiceImpl{groupRepo: repo}
 
-		groups, total, err := svc.ListGroups(context.Background(), 2, 10, "", "", "", nil)
+		groups, total, err := svc.ListGroups(context.Background(), 2, 10, "", "", "", nil, "", "")
 		require.NoError(t, err)
 		require.Empty(t, groups)
 		require.Equal(t, int64(0), total)
@@ -295,7 +311,7 @@ func TestAdminService_ListGroups_WithSearch(t *testing.T) {
 		}
 		svc := &adminServiceImpl{groupRepo: repo}
 
-		groups, total, err := svc.ListGroups(context.Background(), 3, 50, PlatformAntigravity, StatusActive, "beta", &isExclusive)
+		groups, total, err := svc.ListGroups(context.Background(), 3, 50, PlatformAntigravity, StatusActive, "beta", &isExclusive, "", "")
 		require.NoError(t, err)
 		require.Equal(t, int64(42), total)
 		require.Equal(t, []Group{{ID: 2, Name: "beta"}}, groups)

backend/internal/service/admin_service_list_users_test.go

@@ -13,11 +13,13 @@ import (
 
 type userRepoStubForListUsers struct {
 	userRepoStub
-	users []User
-	err   error
+	users                 []User
+	err                   error
+	listWithFiltersParams pagination.PaginationParams
 }
 
 func (s *userRepoStubForListUsers) ListWithFilters(_ context.Context, params pagination.PaginationParams, _ UserListFilters) ([]User, *pagination.PaginationResult, error) {
+	s.listWithFiltersParams = params
 	if s.err != nil {
 		return nil, nil, s.err
 	}
@@ -103,7 +105,7 @@ func TestAdminService_ListUsers_BatchRateFallbackToSingle(t *testing.T) {
 		userGroupRateRepo: rateRepo,
 	}
 
-	users, total, err := svc.ListUsers(context.Background(), 1, 20, UserListFilters{})
+	users, total, err := svc.ListUsers(context.Background(), 1, 20, UserListFilters{}, "", "")
 	require.NoError(t, err)
 	require.Equal(t, int64(2), total)
 	require.Len(t, users, 2)
@@ -112,3 +114,19 @@ func TestAdminService_ListUsers_BatchRateFallbackToSingle(t *testing.T) {
 	require.Equal(t, 1.1, users[0].GroupRates[11])
 	require.Equal(t, 2.2, users[1].GroupRates[22])
 }
+
+func TestAdminService_ListUsers_PassesSortParams(t *testing.T) {
+	userRepo := &userRepoStubForListUsers{
+		users: []User{{ID: 1, Email: "a@example.com"}},
+	}
+	svc := &adminServiceImpl{userRepo: userRepo}
+
+	_, _, err := svc.ListUsers(context.Background(), 2, 50, UserListFilters{}, "email", "ASC")
+	require.NoError(t, err)
+	require.Equal(t, pagination.PaginationParams{
+		Page:      2,
+		PageSize:  50,
+		SortBy:    "email",
+		SortOrder: "ASC",
+	}, userRepo.listWithFiltersParams)
+}

backend/internal/service/admin_service_search_test.go

@@ -170,13 +170,13 @@ func TestAdminService_ListAccounts_WithSearch(t *testing.T) {
 		}
 		svc := &adminServiceImpl{accountRepo: repo}
 
-		accounts, total, err := svc.ListAccounts(context.Background(), 1, 20, PlatformGemini, AccountTypeOAuth, StatusActive, "acc", 0, "")
+		accounts, total, err := svc.ListAccounts(context.Background(), 1, 20, PlatformGemini, AccountTypeOAuth, StatusActive, "acc", 0, "", "name", "ASC")
 		require.NoError(t, err)
 		require.Equal(t, int64(10), total)
 		require.Equal(t, []Account{{ID: 1, Name: "acc"}}, accounts)
 
 		require.Equal(t, 1, repo.listWithFiltersCalls)
-		require.Equal(t, pagination.PaginationParams{Page: 1, PageSize: 20}, repo.listWithFiltersParams)
+		require.Equal(t, pagination.PaginationParams{Page: 1, PageSize: 20, SortBy: "name", SortOrder: "ASC"}, repo.listWithFiltersParams)
 		require.Equal(t, PlatformGemini, repo.listWithFiltersPlatform)
 		require.Equal(t, AccountTypeOAuth, repo.listWithFiltersType)
 		require.Equal(t, StatusActive, repo.listWithFiltersStatus)
@@ -192,7 +192,7 @@ func TestAdminService_ListAccounts_WithPrivacyMode(t *testing.T) {
 		}
 		svc := &adminServiceImpl{accountRepo: repo}
 
-		accounts, total, err := svc.ListAccounts(context.Background(), 1, 20, PlatformOpenAI, AccountTypeOAuth, StatusActive, "acc2", 0, PrivacyModeCFBlocked)
+		accounts, total, err := svc.ListAccounts(context.Background(), 1, 20, PlatformOpenAI, AccountTypeOAuth, StatusActive, "acc2", 0, PrivacyModeCFBlocked, "", "")
 		require.NoError(t, err)
 		require.Equal(t, int64(1), total)
 		require.Equal(t, []Account{{ID: 2, Name: "acc2"}}, accounts)
@@ -208,13 +208,13 @@ func TestAdminService_ListProxies_WithSearch(t *testing.T) {
 		}
 		svc := &adminServiceImpl{proxyRepo: repo}
 
-		proxies, total, err := svc.ListProxies(context.Background(), 3, 50, "http", StatusActive, "p1")
+		proxies, total, err := svc.ListProxies(context.Background(), 3, 50, "http", StatusActive, "p1", "name", "ASC")
 		require.NoError(t, err)
 		require.Equal(t, int64(7), total)
 		require.Equal(t, []Proxy{{ID: 2, Name: "p1"}}, proxies)
 
 		require.Equal(t, 1, repo.listWithFiltersCalls)
-		require.Equal(t, pagination.PaginationParams{Page: 3, PageSize: 50}, repo.listWithFiltersParams)
+		require.Equal(t, pagination.PaginationParams{Page: 3, PageSize: 50, SortBy: "name", SortOrder: "ASC"}, repo.listWithFiltersParams)
 		require.Equal(t, "http", repo.listWithFiltersProtocol)
 		require.Equal(t, StatusActive, repo.listWithFiltersStatus)
 		require.Equal(t, "p1", repo.listWithFiltersSearch)
@@ -229,13 +229,13 @@ func TestAdminService_ListProxiesWithAccountCount_WithSearch(t *testing.T) {
 		}
 		svc := &adminServiceImpl{proxyRepo: repo}
 
-		proxies, total, err := svc.ListProxiesWithAccountCount(context.Background(), 2, 10, "socks5", StatusDisabled, "p2")
+		proxies, total, err := svc.ListProxiesWithAccountCount(context.Background(), 2, 10, "socks5", StatusDisabled, "p2", "account_count", "DESC")
 		require.NoError(t, err)
 		require.Equal(t, int64(9), total)
 		require.Equal(t, []ProxyWithAccountCount{{Proxy: Proxy{ID: 3, Name: "p2"}, AccountCount: 5}}, proxies)
 
 		require.Equal(t, 1, repo.listWithFiltersAndAccountCountCalls)
-		require.Equal(t, pagination.PaginationParams{Page: 2, PageSize: 10}, repo.listWithFiltersAndAccountCountParams)
+		require.Equal(t, pagination.PaginationParams{Page: 2, PageSize: 10, SortBy: "account_count", SortOrder: "DESC"}, repo.listWithFiltersAndAccountCountParams)
 		require.Equal(t, "socks5", repo.listWithFiltersAndAccountCountProtocol)
 		require.Equal(t, StatusDisabled, repo.listWithFiltersAndAccountCountStatus)
 		require.Equal(t, "p2", repo.listWithFiltersAndAccountCountSearch)
@@ -250,13 +250,13 @@ func TestAdminService_ListRedeemCodes_WithSearch(t *testing.T) {
 		}
 		svc := &adminServiceImpl{redeemCodeRepo: repo}
 
-		codes, total, err := svc.ListRedeemCodes(context.Background(), 1, 20, RedeemTypeBalance, StatusUnused, "ABC")
+		codes, total, err := svc.ListRedeemCodes(context.Background(), 1, 20, RedeemTypeBalance, StatusUnused, "ABC", "value", "ASC")
 		require.NoError(t, err)
 		require.Equal(t, int64(3), total)
 		require.Equal(t, []RedeemCode{{ID: 4, Code: "ABC"}}, codes)
 
 		require.Equal(t, 1, repo.listWithFiltersCalls)
-		require.Equal(t, pagination.PaginationParams{Page: 1, PageSize: 20}, repo.listWithFiltersParams)
+		require.Equal(t, pagination.PaginationParams{Page: 1, PageSize: 20, SortBy: "value", SortOrder: "ASC"}, repo.listWithFiltersParams)
 		require.Equal(t, RedeemTypeBalance, repo.listWithFiltersType)
 		require.Equal(t, StatusUnused, repo.listWithFiltersStatus)
 		require.Equal(t, "ABC", repo.listWithFiltersSearch)

backend/internal/service/domain_constants.go

@@ -116,6 +116,8 @@ const (
 	SettingKeyHideCcsImportButton         = "hide_ccs_import_button"        // 是否隐藏 API Keys 页面的导入 CCS 按钮
 	SettingKeyPurchaseSubscriptionEnabled = "purchase_subscription_enabled" // 是否展示"购买订阅"页面入口
 	SettingKeyPurchaseSubscriptionURL     = "purchase_subscription_url"     // "购买订阅"页面 URL（作为 iframe src）
+	SettingKeyTableDefaultPageSize        = "table_default_page_size"       // 表格默认每页条数
+	SettingKeyTablePageSizeOptions        = "table_page_size_options"       // 表格可选每页条数（JSON 数组）
 	SettingKeyCustomMenuItems             = "custom_menu_items"             // 自定义菜单项（JSON 数组）
 	SettingKeyCustomEndpoints             = "custom_endpoints"              // 自定义端点列表（JSON 数组）
 

backend/internal/service/openai_ws_ratelimit_signal_test.go

@@ -492,7 +492,7 @@ func TestAdminService_ListAccounts_ExhaustedCodexExtraReturnsRateLimitedAccount(
 	}
 	svc := &adminServiceImpl{accountRepo: repo}
 
-	accounts, total, err := svc.ListAccounts(context.Background(), 1, 20, PlatformOpenAI, AccountTypeOAuth, "", "", 0, "")
+	accounts, total, err := svc.ListAccounts(context.Background(), 1, 20, PlatformOpenAI, AccountTypeOAuth, "", "", 0, "", "", "")
 	require.NoError(t, err)
 	require.Equal(t, int64(1), total)
 	require.Len(t, accounts, 1)