diff --git a/backend/internal/handler/admin/account_handler.go b/backend/internal/handler/admin/account_handler.go
index 6158fa01..c41f37c1 100644
--- a/backend/internal/handler/admin/account_handler.go
+++ b/backend/internal/handler/admin/account_handler.go
@@ -241,9 +241,10 @@ func (h *AccountHandler) List(c *gin.Context) {
 		concurrencyCounts = make(map[int64]int)
 	}
 
-	// 识别需要查询窗口费用和会话数的账号（Anthropic OAuth/SetupToken 且启用了相应功能）
+	// 识别需要查询窗口费用、会话数和 RPM 的账号（Anthropic OAuth/SetupToken 且启用了相应功能）
 	windowCostAccountIDs := make([]int64, 0)
 	sessionLimitAccountIDs := make([]int64, 0)
+	rpmAccountIDs := make([]int64, 0)
 	sessionIdleTimeouts := make(map[int64]time.Duration) // 各账号的会话空闲超时配置
 	for i := range accounts {
 		acc := &accounts[i]
@@ -255,12 +256,24 @@ func (h *AccountHandler) List(c *gin.Context) {
 				sessionLimitAccountIDs = append(sessionLimitAccountIDs, acc.ID)
 				sessionIdleTimeouts[acc.ID] = time.Duration(acc.GetSessionIdleTimeoutMinutes()) * time.Minute
 			}
+			if acc.GetBaseRPM() > 0 {
+				rpmAccountIDs = append(rpmAccountIDs, acc.ID)
+			}
 		}
 	}
 
-	// 并行获取窗口费用和活跃会话数
+	// 并行获取窗口费用、活跃会话数和 RPM 计数
 	var windowCosts map[int64]float64
 	var activeSessions map[int64]int
+	var rpmCounts map[int64]int
+
+	// 获取 RPM 计数（批量查询）
+	if len(rpmAccountIDs) > 0 && h.rpmCache != nil {
+		rpmCounts, _ = h.rpmCache.GetRPMBatch(c.Request.Context(), rpmAccountIDs)
+		if rpmCounts == nil {
+			rpmCounts = make(map[int64]int)
+		}
+	}
 
 	// 获取活跃会话数（批量查询，传入各账号的 idleTimeout 配置）
 	if len(sessionLimitAccountIDs) > 0 && h.sessionLimitCache != nil {
@@ -321,6 +334,13 @@ func (h *AccountHandler) List(c *gin.Context) {
 			}
 		}
 
+		// 添加 RPM 计数（仅当启用时）
+		if rpmCounts != nil {
+			if rpm, ok := rpmCounts[acc.ID]; ok {
+				item.CurrentRPM = &rpm
+			}
+		}
+
 		result[i] = item
 	}
 
diff --git a/backend/internal/handler/gateway_handler.go b/backend/internal/handler/gateway_handler.go
index b4ac664b..b68a46fa 100644
--- a/backend/internal/handler/gateway_handler.go
+++ b/backend/internal/handler/gateway_handler.go
@@ -368,8 +368,8 @@ func (h *GatewayHandler) Messages(c *gin.Context) {
 
 			// RPM 计数递增（调度成功后、Forward 前）
 			if account.IsAnthropicOAuthOrSetupToken() && account.GetBaseRPM() > 0 {
-				if h.gatewayService.IncrementAccountRPM(c.Request.Context(), account.ID) != nil {
-					// 失败开放：不阻塞请求
+				if err := h.gatewayService.IncrementAccountRPM(c.Request.Context(), account.ID); err != nil {
+					reqLog.Warn("gateway.rpm_increment_failed", zap.Int64("account_id", account.ID), zap.Error(err))
 				}
 			}
 
@@ -558,8 +558,8 @@ func (h *GatewayHandler) Messages(c *gin.Context) {
 
 			// RPM 计数递增（调度成功后、Forward 前）
 			if account.IsAnthropicOAuthOrSetupToken() && account.GetBaseRPM() > 0 {
-				if h.gatewayService.IncrementAccountRPM(c.Request.Context(), account.ID) != nil {
-					// 失败开放：不阻塞请求
+				if err := h.gatewayService.IncrementAccountRPM(c.Request.Context(), account.ID); err != nil {
+					reqLog.Warn("gateway.rpm_increment_failed", zap.Int64("account_id", account.ID), zap.Error(err))
 				}
 			}
 
diff --git a/backend/internal/repository/rpm_cache.go b/backend/internal/repository/rpm_cache.go
index 332c30c9..80954f52 100644
--- a/backend/internal/repository/rpm_cache.go
+++ b/backend/internal/repository/rpm_cache.go
@@ -2,78 +2,130 @@ package repository
 
 import (
 	"context"
+	"errors"
 	"fmt"
+	"strconv"
+	"time"
 
 	"github.com/Wei-Shaw/sub2api/internal/service"
 	"github.com/redis/go-redis/v9"
 )
 
-const rpmKeyPrefix = "rpm:"
+// RPM 计数器缓存常量定义
+//
+// 设计说明：
+// 使用 Redis 简单计数器跟踪每个账号每分钟的请求数：
+// - Key: rpm:{accountID}:{minuteTimestamp}
+// - Value: 当前分钟内的请求计数
+// - TTL: 120 秒（覆盖当前分钟 + 一定冗余）
+//
+// 使用 TxPipeline（MULTI/EXEC）执行 INCR + EXPIRE，保证原子性且兼容 Redis Cluster。
+// 通过 rdb.Time() 获取服务端时间，避免多实例时钟不同步。
+//
+// 设计决策：
+// - TxPipeline vs Pipeline：Pipeline 仅合并发送但不保证原子，TxPipeline 使用 MULTI/EXEC 事务保证原子执行。
+// - rdb.Time() 单独调用：Pipeline/TxPipeline 中无法引用前一命令的结果，因此 TIME 必须单独调用（2 RTT）。
+//   Lua 脚本可以做到 1 RTT，但在 Redis Cluster 中动态拼接 key 存在 CROSSSLOT 风险，选择安全性优先。
+const (
+	// RPM 计数器键前缀
+	// 格式: rpm:{accountID}:{minuteTimestamp}
+	rpmKeyPrefix = "rpm:"
 
-// Lua scripts use Redis TIME for server-side minute key calculation
-var rpmIncrScript = redis.NewScript(`
-local timeResult = redis.call('TIME')
-local minuteKey = math.floor(tonumber(timeResult[1]) / 60)
-local key = ARGV[1] .. ':' .. minuteKey
-local count = redis.call('INCR', key)
-if count == 1 then
-    redis.call('EXPIRE', key, 120)
-end
-return count
-`)
-
-var rpmGetScript = redis.NewScript(`
-local timeResult = redis.call('TIME')
-local minuteKey = math.floor(tonumber(timeResult[1]) / 60)
-local key = ARGV[1] .. ':' .. minuteKey
-local count = redis.call('GET', key)
-if count == false then
-    return 0
-end
-return tonumber(count)
-`)
+	// RPM 计数器 TTL（120 秒，覆盖当前分钟窗口 + 冗余）
+	rpmKeyTTL = 120 * time.Second
+)
 
+// RPMCacheImpl RPM 计数器缓存 Redis 实现
 type RPMCacheImpl struct {
 	rdb *redis.Client
 }
 
+// NewRPMCache 创建 RPM 计数器缓存
 func NewRPMCache(rdb *redis.Client) service.RPMCache {
 	return &RPMCacheImpl{rdb: rdb}
 }
 
-func rpmKeyBase(accountID int64) string {
-	return fmt.Sprintf("%s%d", rpmKeyPrefix, accountID)
+// currentMinuteKey 获取当前分钟的完整 Redis key
+// 使用 rdb.Time() 获取 Redis 服务端时间，避免多实例时钟偏差
+func (c *RPMCacheImpl) currentMinuteKey(ctx context.Context, accountID int64) (string, error) {
+	serverTime, err := c.rdb.Time(ctx).Result()
+	if err != nil {
+		return "", fmt.Errorf("redis TIME: %w", err)
+	}
+	minuteTS := serverTime.Unix() / 60
+	return fmt.Sprintf("%s%d:%d", rpmKeyPrefix, accountID, minuteTS), nil
 }
 
+// currentMinuteSuffix 获取当前分钟时间戳后缀（供批量操作使用）
+// 使用 rdb.Time() 获取 Redis 服务端时间
+func (c *RPMCacheImpl) currentMinuteSuffix(ctx context.Context) (string, error) {
+	serverTime, err := c.rdb.Time(ctx).Result()
+	if err != nil {
+		return "", fmt.Errorf("redis TIME: %w", err)
+	}
+	minuteTS := serverTime.Unix() / 60
+	return strconv.FormatInt(minuteTS, 10), nil
+}
+
+// IncrementRPM 原子递增并返回当前分钟的计数
+// 使用 TxPipeline (MULTI/EXEC) 执行 INCR + EXPIRE，保证原子性且兼容 Redis Cluster
 func (c *RPMCacheImpl) IncrementRPM(ctx context.Context, accountID int64) (int, error) {
-	result, err := rpmIncrScript.Run(ctx, c.rdb, nil, rpmKeyBase(accountID)).Int()
+	key, err := c.currentMinuteKey(ctx, accountID)
 	if err != nil {
 		return 0, fmt.Errorf("rpm increment: %w", err)
 	}
-	return result, nil
+
+	// 使用 TxPipeline (MULTI/EXEC) 保证 INCR + EXPIRE 原子执行
+	// EXPIRE 幂等，每次都设置不影响正确性
+	pipe := c.rdb.TxPipeline()
+	incrCmd := pipe.Incr(ctx, key)
+	pipe.Expire(ctx, key, rpmKeyTTL)
+
+	if _, err := pipe.Exec(ctx); err != nil {
+		return 0, fmt.Errorf("rpm increment: %w", err)
+	}
+
+	return int(incrCmd.Val()), nil
 }
 
+// GetRPM 获取当前分钟的 RPM 计数
 func (c *RPMCacheImpl) GetRPM(ctx context.Context, accountID int64) (int, error) {
-	result, err := rpmGetScript.Run(ctx, c.rdb, nil, rpmKeyBase(accountID)).Int()
+	key, err := c.currentMinuteKey(ctx, accountID)
 	if err != nil {
 		return 0, fmt.Errorf("rpm get: %w", err)
 	}
-	return result, nil
+
+	val, err := c.rdb.Get(ctx, key).Int()
+	if errors.Is(err, redis.Nil) {
+		return 0, nil // 当前分钟无记录
+	}
+	if err != nil {
+		return 0, fmt.Errorf("rpm get: %w", err)
+	}
+	return val, nil
 }
 
+// GetRPMBatch 批量获取多个账号的 RPM 计数（使用 Pipeline）
 func (c *RPMCacheImpl) GetRPMBatch(ctx context.Context, accountIDs []int64) (map[int64]int, error) {
 	if len(accountIDs) == 0 {
 		return map[int64]int{}, nil
 	}
 
-	pipe := c.rdb.Pipeline()
-	cmds := make(map[int64]*redis.Cmd, len(accountIDs))
-	for _, id := range accountIDs {
-		cmds[id] = rpmGetScript.Run(ctx, pipe, nil, rpmKeyBase(id))
+	// 获取当前分钟后缀
+	minuteSuffix, err := c.currentMinuteSuffix(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("rpm batch get: %w", err)
 	}
 
-	_, err := pipe.Exec(ctx)
-	if err != nil && err != redis.Nil {
+	// 使用 Pipeline 批量 GET
+	pipe := c.rdb.Pipeline()
+	cmds := make(map[int64]*redis.StringCmd, len(accountIDs))
+	for _, id := range accountIDs {
+		key := fmt.Sprintf("%s%d:%s", rpmKeyPrefix, id, minuteSuffix)
+		cmds[id] = pipe.Get(ctx, key)
+	}
+
+	if _, err := pipe.Exec(ctx); err != nil && !errors.Is(err, redis.Nil) {
 		return nil, fmt.Errorf("rpm batch get: %w", err)
 	}
 
diff --git a/backend/internal/service/account.go b/backend/internal/service/account.go
index fe6f432c..7f33c61d 100644
--- a/backend/internal/service/account.go
+++ b/backend/internal/service/account.go
@@ -1138,13 +1138,16 @@ func (a *Account) GetSessionIdleTimeoutMinutes() int {
 }
 
 // GetBaseRPM 获取基础 RPM 限制
-// 返回 0 表示未启用
+// 返回 0 表示未启用（负数视为无效配置，按 0 处理）
 func (a *Account) GetBaseRPM() int {
 	if a.Extra == nil {
 		return 0
 	}
 	if v, ok := a.Extra["base_rpm"]; ok {
-		return parseExtraInt(v)
+		val := parseExtraInt(v)
+		if val > 0 {
+			return val
+		}
 	}
 	return 0
 }
diff --git a/backend/internal/service/account_rpm_test.go b/backend/internal/service/account_rpm_test.go
index 01797763..b08b54a2 100644
--- a/backend/internal/service/account_rpm_test.go
+++ b/backend/internal/service/account_rpm_test.go
@@ -13,6 +13,9 @@ func TestGetBaseRPM(t *testing.T) {
 		{"zero", map[string]any{"base_rpm": 0}, 0},
 		{"int value", map[string]any{"base_rpm": 15}, 15},
 		{"float value", map[string]any{"base_rpm": 15.0}, 15},
+		{"string value", map[string]any{"base_rpm": "15"}, 15},
+		{"negative value", map[string]any{"base_rpm": -5}, 0},
+		{"int64 value", map[string]any{"base_rpm": int64(20)}, 20},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
@@ -35,6 +38,8 @@ func TestGetRPMStrategy(t *testing.T) {
 		{"tiered", map[string]any{"rpm_strategy": "tiered"}, "tiered"},
 		{"sticky_exempt", map[string]any{"rpm_strategy": "sticky_exempt"}, "sticky_exempt"},
 		{"invalid", map[string]any{"rpm_strategy": "foobar"}, "tiered"},
+		{"empty string fallback", map[string]any{"rpm_strategy": ""}, "tiered"},
+		{"numeric value fallback", map[string]any{"rpm_strategy": 123}, "tiered"},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
@@ -61,6 +66,13 @@ func TestCheckRPMSchedulability(t *testing.T) {
 		{"sticky_exempt over limit", map[string]any{"base_rpm": 15, "rpm_strategy": "sticky_exempt"}, 100, WindowCostStickyOnly},
 		{"custom buffer", map[string]any{"base_rpm": 10, "rpm_sticky_buffer": 5}, 14, WindowCostStickyOnly},
 		{"custom buffer red", map[string]any{"base_rpm": 10, "rpm_sticky_buffer": 5}, 15, WindowCostNotSchedulable},
+		{"base_rpm=1 green", map[string]any{"base_rpm": 1}, 0, WindowCostSchedulable},
+		{"base_rpm=1 yellow (at limit)", map[string]any{"base_rpm": 1}, 1, WindowCostStickyOnly},
+		{"base_rpm=1 red (at limit+buffer)", map[string]any{"base_rpm": 1}, 2, WindowCostNotSchedulable},
+		{"negative currentRPM", map[string]any{"base_rpm": 15}, -1, WindowCostSchedulable},
+		{"base_rpm negative disabled", map[string]any{"base_rpm": -5}, 10, WindowCostSchedulable},
+		{"very high currentRPM", map[string]any{"base_rpm": 10}, 9999, WindowCostNotSchedulable},
+		{"sticky_exempt very high currentRPM", map[string]any{"base_rpm": 10, "rpm_strategy": "sticky_exempt"}, 9999, WindowCostStickyOnly},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
@@ -71,3 +83,33 @@ func TestCheckRPMSchedulability(t *testing.T) {
 		})
 	}
 }
+
+func TestGetRPMStickyBuffer(t *testing.T) {
+	tests := []struct {
+		name     string
+		extra    map[string]any
+		expected int
+	}{
+		{"nil extra", nil, 0},
+		{"no keys", map[string]any{}, 0},
+		{"base_rpm=0", map[string]any{"base_rpm": 0}, 0},
+		{"base_rpm=1 min buffer 1", map[string]any{"base_rpm": 1}, 1},
+		{"base_rpm=4 min buffer 1", map[string]any{"base_rpm": 4}, 1},
+		{"base_rpm=5 buffer 1", map[string]any{"base_rpm": 5}, 1},
+		{"base_rpm=10 buffer 2", map[string]any{"base_rpm": 10}, 2},
+		{"base_rpm=15 buffer 3", map[string]any{"base_rpm": 15}, 3},
+		{"base_rpm=100 buffer 20", map[string]any{"base_rpm": 100}, 20},
+		{"custom buffer=5", map[string]any{"base_rpm": 10, "rpm_sticky_buffer": 5}, 5},
+		{"custom buffer=0 fallback to default", map[string]any{"base_rpm": 10, "rpm_sticky_buffer": 0}, 2},
+		{"custom buffer negative fallback", map[string]any{"base_rpm": 10, "rpm_sticky_buffer": -1}, 2},
+		{"custom buffer with float", map[string]any{"base_rpm": 10, "rpm_sticky_buffer": float64(7)}, 7},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			a := &Account{Extra: tt.extra}
+			if got := a.GetRPMStickyBuffer(); got != tt.expected {
+				t.Errorf("GetRPMStickyBuffer() = %d, want %d", got, tt.expected)
+			}
+		})
+	}
+}
diff --git a/backend/internal/service/gateway_service.go b/backend/internal/service/gateway_service.go
index d5f1eb64..631d77cc 100644
--- a/backend/internal/service/gateway_service.go
+++ b/backend/internal/service/gateway_service.go
@@ -2708,6 +2708,9 @@ func (s *GatewayService) selectAccountForModelWithPlatform(ctx context.Context,
 		}
 	}
 
+	// 批量预取 RPM 计数，避免逐个账号查询（N+1）
+	ctx = s.withRPMPrefetch(ctx, accounts)
+
 	// 3. 按优先级+最久未用选择（考虑模型支持）
 	var selected *Account
 	for i := range accounts {
@@ -2922,6 +2925,9 @@ func (s *GatewayService) selectAccountWithMixedScheduling(ctx context.Context, g
 		}
 	}
 
+	// 批量预取 RPM 计数，避免逐个账号查询（N+1）
+	ctx = s.withRPMPrefetch(ctx, accounts)
+
 	// 3. 按优先级+最久未用选择（考虑模型支持和混合调度）
 	var selected *Account
 	for i := range accounts {
diff --git a/frontend/src/components/account/AccountCapacityCell.vue b/frontend/src/components/account/AccountCapacityCell.vue
index 849bacb3..2a4babf2 100644
--- a/frontend/src/components/account/AccountCapacityCell.vue
+++ b/frontend/src/components/account/AccountCapacityCell.vue
@@ -68,6 +68,7 @@
         <span class="font-mono">{{ currentRPM }}</span>
         <span class="text-gray-400 dark:text-gray-500">/</span>
         <span class="font-mono">{{ account.base_rpm }}</span>
+        <span class="text-[9px] opacity-60">{{ rpmStrategyTag }}</span>
       </span>
     </div>
   </div>
@@ -143,19 +144,15 @@ const windowCostClass = computed(() => {
   const limit = props.account.window_cost_limit || 0
   const reserve = props.account.window_cost_sticky_reserve || 10
 
-  // >= 阈值+预留: 完全不可调度 (红色)
   if (current >= limit + reserve) {
     return 'bg-red-100 text-red-700 dark:bg-red-900/30 dark:text-red-400'
   }
-  // >= 阈值: 仅粘性会话 (橙色)
   if (current >= limit) {
     return 'bg-orange-100 text-orange-700 dark:bg-orange-900/30 dark:text-orange-400'
   }
-  // >= 80% 阈值: 警告 (黄色)
   if (current >= limit * 0.8) {
     return 'bg-yellow-100 text-yellow-700 dark:bg-yellow-900/30 dark:text-yellow-400'
   }
-  // 正常 (绿色)
   return 'bg-emerald-100 text-emerald-700 dark:bg-emerald-900/30 dark:text-emerald-400'
 })
 
@@ -183,15 +180,12 @@ const sessionLimitClass = computed(() => {
   const current = activeSessions.value
   const max = props.account.max_sessions || 0
 
-  // >= 最大: 完全占满 (红色)
   if (current >= max) {
     return 'bg-red-100 text-red-700 dark:bg-red-900/30 dark:text-red-400'
   }
-  // >= 80%: 警告 (黄色)
   if (current >= max * 0.8) {
     return 'bg-yellow-100 text-yellow-700 dark:bg-yellow-900/30 dark:text-yellow-400'
   }
-  // 正常 (绿色)
   return 'bg-emerald-100 text-emerald-700 dark:bg-emerald-900/30 dark:text-emerald-400'
 })
 
@@ -222,35 +216,74 @@ const showRpmLimit = computed(() => {
 // 当前 RPM 计数
 const currentRPM = computed(() => props.account.current_rpm ?? 0)
 
+// RPM 策略
+const rpmStrategy = computed(() => props.account.rpm_strategy || 'tiered')
+
+// RPM 策略标签
+const rpmStrategyTag = computed(() => {
+  return rpmStrategy.value === 'sticky_exempt' ? '[S]' : '[T]'
+})
+
+// RPM buffer 计算（与后端一致：base <= 0 时 buffer 为 0）
+const rpmBuffer = computed(() => {
+  const base = props.account.base_rpm || 0
+  return props.account.rpm_sticky_buffer ?? (base > 0 ? Math.max(1, Math.floor(base / 5)) : 0)
+})
+
 // RPM 状态样式
 const rpmClass = computed(() => {
   if (!showRpmLimit.value) return ''
 
   const current = currentRPM.value
   const base = props.account.base_rpm ?? 0
-  if (base <= 0) return 'bg-gray-100 text-gray-600 dark:bg-gray-700 dark:text-gray-400'
+  const buffer = rpmBuffer.value
 
-  const strategy = props.account.rpm_strategy || 'tiered'
-  if (strategy === 'tiered') {
-    const buffer = props.account.rpm_sticky_buffer ?? Math.max(1, Math.floor(base / 5))
-    if (current >= base + buffer) return 'bg-red-100 text-red-700 dark:bg-red-900/30 dark:text-red-400'
-    if (current >= base) return 'bg-orange-100 text-orange-700 dark:bg-orange-900/30 dark:text-orange-400'
+  if (rpmStrategy.value === 'tiered') {
+    if (current >= base + buffer) {
+      return 'bg-red-100 text-red-700 dark:bg-red-900/30 dark:text-red-400'
+    }
+    if (current >= base) {
+      return 'bg-orange-100 text-orange-700 dark:bg-orange-900/30 dark:text-orange-400'
+    }
   } else {
-    if (current >= base) return 'bg-orange-100 text-orange-700 dark:bg-orange-900/30 dark:text-orange-400'
+    if (current >= base) {
+      return 'bg-orange-100 text-orange-700 dark:bg-orange-900/30 dark:text-orange-400'
+    }
+  }
+  if (current >= base * 0.8) {
+    return 'bg-yellow-100 text-yellow-700 dark:bg-yellow-900/30 dark:text-yellow-400'
   }
-  if (current >= base * 0.8) return 'bg-yellow-100 text-yellow-700 dark:bg-yellow-900/30 dark:text-yellow-400'
   return 'bg-emerald-100 text-emerald-700 dark:bg-emerald-900/30 dark:text-emerald-400'
 })
 
-// RPM 提示文字
+// RPM 提示文字（增强版：显示策略、区域、缓冲区）
 const rpmTooltip = computed(() => {
   if (!showRpmLimit.value) return ''
 
   const current = currentRPM.value
   const base = props.account.base_rpm ?? 0
-  if (current >= base) return t('admin.accounts.capacity.rpm.full')
-  if (current >= base * 0.8) return t('admin.accounts.capacity.rpm.warning')
-  return t('admin.accounts.capacity.rpm.normal')
+  const buffer = rpmBuffer.value
+
+  if (rpmStrategy.value === 'tiered') {
+    if (current >= base + buffer) {
+      return t('admin.accounts.capacity.rpm.tieredBlocked', { buffer })
+    }
+    if (current >= base) {
+      return t('admin.accounts.capacity.rpm.tieredStickyOnly', { buffer })
+    }
+    if (current >= base * 0.8) {
+      return t('admin.accounts.capacity.rpm.tieredWarning')
+    }
+    return t('admin.accounts.capacity.rpm.tieredNormal')
+  } else {
+    if (current >= base) {
+      return t('admin.accounts.capacity.rpm.stickyExemptOver')
+    }
+    if (current >= base * 0.8) {
+      return t('admin.accounts.capacity.rpm.stickyExemptWarning')
+    }
+    return t('admin.accounts.capacity.rpm.stickyExemptNormal')
+  }
 })
 
 // 格式化费用显示
diff --git a/frontend/src/components/account/BulkEditAccountModal.vue b/frontend/src/components/account/BulkEditAccountModal.vue
index 4a19e35e..e5181741 100644
--- a/frontend/src/components/account/BulkEditAccountModal.vue
+++ b/frontend/src/components/account/BulkEditAccountModal.vue
@@ -585,6 +585,111 @@
         </div>
       </div>
 
+      <!-- RPM Limit (仅全部为 Anthropic OAuth/SetupToken 时显示) -->
+      <div v-if="allAnthropicOAuthOrSetupToken" class="border-t border-gray-200 pt-4 dark:border-dark-600">
+        <div class="mb-3 flex items-center justify-between">
+          <label
+            id="bulk-edit-rpm-limit-label"
+            class="input-label mb-0"
+            for="bulk-edit-rpm-limit-enabled"
+          >
+            {{ t('admin.accounts.quotaControl.rpmLimit.label') }}
+          </label>
+          <input
+            v-model="enableRpmLimit"
+            id="bulk-edit-rpm-limit-enabled"
+            type="checkbox"
+            aria-controls="bulk-edit-rpm-limit-body"
+            class="rounded border-gray-300 text-primary-600 focus:ring-primary-500"
+          />
+        </div>
+
+        <div
+          id="bulk-edit-rpm-limit-body"
+          :class="!enableRpmLimit && 'pointer-events-none opacity-50'"
+          role="group"
+          aria-labelledby="bulk-edit-rpm-limit-label"
+        >
+          <div class="mb-3 flex items-center justify-between">
+            <span class="text-sm text-gray-700 dark:text-gray-300">{{ t('admin.accounts.quotaControl.rpmLimit.hint') }}</span>
+            <button
+              type="button"
+              @click="rpmLimitEnabled = !rpmLimitEnabled"
+              :class="[
+                'relative inline-flex h-6 w-11 flex-shrink-0 cursor-pointer rounded-full border-2 border-transparent transition-colors duration-200 ease-in-out focus:outline-none focus:ring-2 focus:ring-primary-500 focus:ring-offset-2',
+                rpmLimitEnabled ? 'bg-primary-600' : 'bg-gray-200 dark:bg-dark-600'
+              ]"
+            >
+              <span
+                :class="[
+                  'pointer-events-none inline-block h-5 w-5 transform rounded-full bg-white shadow ring-0 transition duration-200 ease-in-out',
+                  rpmLimitEnabled ? 'translate-x-5' : 'translate-x-0'
+                ]"
+              />
+            </button>
+          </div>
+
+          <div v-if="rpmLimitEnabled" class="space-y-3">
+            <div>
+              <label class="input-label text-xs">{{ t('admin.accounts.quotaControl.rpmLimit.baseRpm') }}</label>
+              <input
+                v-model.number="bulkBaseRpm"
+                type="number"
+                min="1"
+                max="1000"
+                step="1"
+                class="input"
+                :placeholder="t('admin.accounts.quotaControl.rpmLimit.baseRpmPlaceholder')"
+              />
+              <p class="input-hint">{{ t('admin.accounts.quotaControl.rpmLimit.baseRpmHint') }}</p>
+            </div>
+
+            <div>
+              <label class="input-label text-xs">{{ t('admin.accounts.quotaControl.rpmLimit.strategy') }}</label>
+              <div class="flex gap-2">
+                <button
+                  type="button"
+                  @click="bulkRpmStrategy = 'tiered'"
+                  :class="[
+                    'flex-1 rounded-lg px-3 py-2 text-sm font-medium transition-all',
+                    bulkRpmStrategy === 'tiered'
+                      ? 'bg-primary-100 text-primary-700 dark:bg-primary-900/30 dark:text-primary-400'
+                      : 'bg-gray-100 text-gray-600 hover:bg-gray-200 dark:bg-dark-600 dark:text-gray-400 dark:hover:bg-dark-500'
+                  ]"
+                >
+                  {{ t('admin.accounts.quotaControl.rpmLimit.strategyTiered') }}
+                </button>
+                <button
+                  type="button"
+                  @click="bulkRpmStrategy = 'sticky_exempt'"
+                  :class="[
+                    'flex-1 rounded-lg px-3 py-2 text-sm font-medium transition-all',
+                    bulkRpmStrategy === 'sticky_exempt'
+                      ? 'bg-primary-100 text-primary-700 dark:bg-primary-900/30 dark:text-primary-400'
+                      : 'bg-gray-100 text-gray-600 hover:bg-gray-200 dark:bg-dark-600 dark:text-gray-400 dark:hover:bg-dark-500'
+                  ]"
+                >
+                  {{ t('admin.accounts.quotaControl.rpmLimit.strategyStickyExempt') }}
+                </button>
+              </div>
+            </div>
+
+            <div v-if="bulkRpmStrategy === 'tiered'">
+              <label class="input-label text-xs">{{ t('admin.accounts.quotaControl.rpmLimit.stickyBuffer') }}</label>
+              <input
+                v-model.number="bulkRpmStickyBuffer"
+                type="number"
+                min="1"
+                step="1"
+                class="input"
+                :placeholder="t('admin.accounts.quotaControl.rpmLimit.stickyBufferPlaceholder')"
+              />
+              <p class="input-hint">{{ t('admin.accounts.quotaControl.rpmLimit.stickyBufferHint') }}</p>
+            </div>
+          </div>
+        </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">
@@ -658,7 +763,7 @@ import { ref, watch, computed } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { useAppStore } from '@/stores/app'
 import { adminAPI } from '@/api/admin'
-import type { Proxy as ProxyConfig, AdminGroup, AccountPlatform } from '@/types'
+import type { Proxy as ProxyConfig, AdminGroup, AccountPlatform, AccountType } from '@/types'
 import BaseDialog from '@/components/common/BaseDialog.vue'
 import Select from '@/components/common/Select.vue'
 import ProxySelector from '@/components/common/ProxySelector.vue'
@@ -670,6 +775,7 @@ interface Props {
   show: boolean
   accountIds: number[]
   selectedPlatforms: AccountPlatform[]
+  selectedTypes: AccountType[]
   proxies: ProxyConfig[]
   groups: AdminGroup[]
 }
@@ -686,6 +792,15 @@ const appStore = useAppStore()
 // Platform awareness
 const isMixedPlatform = computed(() => props.selectedPlatforms.length > 1)
 
+// 是否全部为 Anthropic OAuth/SetupToken（RPM 配置仅在此条件下显示）
+const allAnthropicOAuthOrSetupToken = computed(() => {
+  return (
+    props.selectedPlatforms.length === 1 &&
+    props.selectedPlatforms[0] === 'anthropic' &&
+    props.selectedTypes.every(t => t === 'oauth' || t === 'setup-token')
+  )
+})
+
 const platformModelPrefix: Record<string, string[]> = {
   anthropic: ['claude-'],
   antigravity: ['claude-', 'gemini-', 'gpt-oss-', 'tab_'],
@@ -725,6 +840,7 @@ const enablePriority = ref(false)
 const enableRateMultiplier = ref(false)
 const enableStatus = ref(false)
 const enableGroups = ref(false)
+const enableRpmLimit = ref(false)
 
 // State - field values
 const submitting = ref(false)
@@ -741,6 +857,10 @@ const priority = ref(1)
 const rateMultiplier = ref(1)
 const status = ref<'active' | 'inactive'>('active')
 const groupIds = ref<number[]>([])
+const rpmLimitEnabled = ref(false)
+const bulkBaseRpm = ref<number | null>(null)
+const bulkRpmStrategy = ref<'tiered' | 'sticky_exempt'>('tiered')
+const bulkRpmStickyBuffer = ref<number | null>(null)
 
 // All models list (combined Anthropic + OpenAI + Gemini)
 const allModels = [
@@ -1094,6 +1214,22 @@ const buildUpdatePayload = (): Record<string, unknown> | null => {
     updates.credentials = credentials
   }
 
+  // RPM limit settings (写入 extra 字段)
+  if (enableRpmLimit.value) {
+    const extra: Record<string, unknown> = {}
+    if (rpmLimitEnabled.value && bulkBaseRpm.value != null && bulkBaseRpm.value > 0) {
+      extra.base_rpm = bulkBaseRpm.value
+      extra.rpm_strategy = bulkRpmStrategy.value
+      if (bulkRpmStickyBuffer.value != null && bulkRpmStickyBuffer.value > 0) {
+        extra.rpm_sticky_buffer = bulkRpmStickyBuffer.value
+      }
+    } else {
+      // 关闭 RPM 限制 - 设置 base_rpm 为 0
+      extra.base_rpm = 0
+    }
+    updates.extra = extra
+  }
+
   return Object.keys(updates).length > 0 ? updates : null
 }
 
@@ -1173,6 +1309,7 @@ watch(
       enableRateMultiplier.value = false
       enableStatus.value = false
       enableGroups.value = false
+      enableRpmLimit.value = false
 
       // Reset all values
       baseUrl.value = ''
@@ -1188,6 +1325,10 @@ watch(
       rateMultiplier.value = 1
       status.value = 'active'
       groupIds.value = []
+      rpmLimitEnabled.value = false
+      bulkBaseRpm.value = null
+      bulkRpmStrategy.value = 'tiered'
+      bulkRpmStickyBuffer.value = null
     }
   }
 )
diff --git a/frontend/src/components/account/CreateAccountModal.vue b/frontend/src/components/account/CreateAccountModal.vue
index 92ca189e..97a6fbce 100644
--- a/frontend/src/components/account/CreateAccountModal.vue
+++ b/frontend/src/components/account/CreateAccountModal.vue
@@ -1562,26 +1562,68 @@
             </button>
           </div>
 
-          <div v-if="rpmLimitEnabled" class="grid grid-cols-2 gap-4">
+          <div v-if="rpmLimitEnabled" class="space-y-4">
             <div>
               <label class="input-label">{{ t('admin.accounts.quotaControl.rpmLimit.baseRpm') }}</label>
               <input
                 v-model.number="baseRpm"
                 type="number"
                 min="1"
+                max="1000"
                 step="1"
                 class="input"
                 :placeholder="t('admin.accounts.quotaControl.rpmLimit.baseRpmPlaceholder')"
               />
               <p class="input-hint">{{ t('admin.accounts.quotaControl.rpmLimit.baseRpmHint') }}</p>
             </div>
+
             <div>
               <label class="input-label">{{ t('admin.accounts.quotaControl.rpmLimit.strategy') }}</label>
-              <select v-model="rpmStrategy" class="input">
-                <option value="tiered">{{ t('admin.accounts.quotaControl.rpmLimit.strategyTiered') }}</option>
-                <option value="sticky_exempt">{{ t('admin.accounts.quotaControl.rpmLimit.strategyStickyExempt') }}</option>
-              </select>
-              <p class="input-hint">{{ t('admin.accounts.quotaControl.rpmLimit.strategyHint') }}</p>
+              <div class="flex gap-2">
+                <button
+                  type="button"
+                  @click="rpmStrategy = 'tiered'"
+                  :class="[
+                    'flex-1 rounded-lg px-3 py-2 text-sm font-medium transition-all',
+                    rpmStrategy === 'tiered'
+                      ? 'bg-primary-100 text-primary-700 dark:bg-primary-900/30 dark:text-primary-400'
+                      : 'bg-gray-100 text-gray-600 hover:bg-gray-200 dark:bg-dark-600 dark:text-gray-400 dark:hover:bg-dark-500'
+                  ]"
+                >
+                  <div class="text-center">
+                    <div>{{ t('admin.accounts.quotaControl.rpmLimit.strategyTiered') }}</div>
+                    <div class="mt-0.5 text-[10px] opacity-70">{{ t('admin.accounts.quotaControl.rpmLimit.strategyTieredHint') }}</div>
+                  </div>
+                </button>
+                <button
+                  type="button"
+                  @click="rpmStrategy = 'sticky_exempt'"
+                  :class="[
+                    'flex-1 rounded-lg px-3 py-2 text-sm font-medium transition-all',
+                    rpmStrategy === 'sticky_exempt'
+                      ? 'bg-primary-100 text-primary-700 dark:bg-primary-900/30 dark:text-primary-400'
+                      : 'bg-gray-100 text-gray-600 hover:bg-gray-200 dark:bg-dark-600 dark:text-gray-400 dark:hover:bg-dark-500'
+                  ]"
+                >
+                  <div class="text-center">
+                    <div>{{ t('admin.accounts.quotaControl.rpmLimit.strategyStickyExempt') }}</div>
+                    <div class="mt-0.5 text-[10px] opacity-70">{{ t('admin.accounts.quotaControl.rpmLimit.strategyStickyExemptHint') }}</div>
+                  </div>
+                </button>
+              </div>
+            </div>
+
+            <div v-if="rpmStrategy === 'tiered'">
+              <label class="input-label">{{ t('admin.accounts.quotaControl.rpmLimit.stickyBuffer') }}</label>
+              <input
+                v-model.number="rpmStickyBuffer"
+                type="number"
+                min="1"
+                step="1"
+                class="input"
+                :placeholder="t('admin.accounts.quotaControl.rpmLimit.stickyBufferPlaceholder')"
+              />
+              <p class="input-hint">{{ t('admin.accounts.quotaControl.rpmLimit.stickyBufferHint') }}</p>
             </div>
           </div>
         </div>
@@ -2445,7 +2487,8 @@ const maxSessions = ref<number | null>(null)
 const sessionIdleTimeout = ref<number | null>(null)
 const rpmLimitEnabled = ref(false)
 const baseRpm = ref<number | null>(null)
-const rpmStrategy = ref<string>('tiered')
+const rpmStrategy = ref<'tiered' | 'sticky_exempt'>('tiered')
+const rpmStickyBuffer = ref<number | null>(null)
 const tlsFingerprintEnabled = ref(false)
 const sessionIdMaskingEnabled = ref(false)
 const cacheTTLOverrideEnabled = ref(false)
@@ -3073,6 +3116,7 @@ const resetForm = () => {
   rpmLimitEnabled.value = false
   baseRpm.value = null
   rpmStrategy.value = 'tiered'
+  rpmStickyBuffer.value = null
   tlsFingerprintEnabled.value = false
   sessionIdMaskingEnabled.value = false
   cacheTTLOverrideEnabled.value = false
@@ -3986,6 +4030,9 @@ const handleAnthropicExchange = async (authCode: string) => {
     if (rpmLimitEnabled.value && baseRpm.value != null && baseRpm.value > 0) {
       extra.base_rpm = baseRpm.value
       extra.rpm_strategy = rpmStrategy.value
+      if (rpmStickyBuffer.value != null && rpmStickyBuffer.value > 0) {
+        extra.rpm_sticky_buffer = rpmStickyBuffer.value
+      }
     }
 
     // Add TLS fingerprint settings
@@ -4090,6 +4137,9 @@ const handleCookieAuth = async (sessionKey: string) => {
         if (rpmLimitEnabled.value && baseRpm.value != null && baseRpm.value > 0) {
           extra.base_rpm = baseRpm.value
           extra.rpm_strategy = rpmStrategy.value
+          if (rpmStickyBuffer.value != null && rpmStickyBuffer.value > 0) {
+            extra.rpm_sticky_buffer = rpmStickyBuffer.value
+          }
         }
 
         // Add TLS fingerprint settings
diff --git a/frontend/src/components/account/EditAccountModal.vue b/frontend/src/components/account/EditAccountModal.vue
index 3b6c0789..792bf580 100644
--- a/frontend/src/components/account/EditAccountModal.vue
+++ b/frontend/src/components/account/EditAccountModal.vue
@@ -972,26 +972,68 @@
             </button>
           </div>
 
-          <div v-if="rpmLimitEnabled" class="grid grid-cols-2 gap-4">
+          <div v-if="rpmLimitEnabled" class="space-y-4">
             <div>
               <label class="input-label">{{ t('admin.accounts.quotaControl.rpmLimit.baseRpm') }}</label>
               <input
                 v-model.number="baseRpm"
                 type="number"
                 min="1"
+                max="1000"
                 step="1"
                 class="input"
                 :placeholder="t('admin.accounts.quotaControl.rpmLimit.baseRpmPlaceholder')"
               />
               <p class="input-hint">{{ t('admin.accounts.quotaControl.rpmLimit.baseRpmHint') }}</p>
             </div>
+
             <div>
               <label class="input-label">{{ t('admin.accounts.quotaControl.rpmLimit.strategy') }}</label>
-              <select v-model="rpmStrategy" class="input">
-                <option value="tiered">{{ t('admin.accounts.quotaControl.rpmLimit.strategyTiered') }}</option>
-                <option value="sticky_exempt">{{ t('admin.accounts.quotaControl.rpmLimit.strategyStickyExempt') }}</option>
-              </select>
-              <p class="input-hint">{{ t('admin.accounts.quotaControl.rpmLimit.strategyHint') }}</p>
+              <div class="flex gap-2">
+                <button
+                  type="button"
+                  @click="rpmStrategy = 'tiered'"
+                  :class="[
+                    'flex-1 rounded-lg px-3 py-2 text-sm font-medium transition-all',
+                    rpmStrategy === 'tiered'
+                      ? 'bg-primary-100 text-primary-700 dark:bg-primary-900/30 dark:text-primary-400'
+                      : 'bg-gray-100 text-gray-600 hover:bg-gray-200 dark:bg-dark-600 dark:text-gray-400 dark:hover:bg-dark-500'
+                  ]"
+                >
+                  <div class="text-center">
+                    <div>{{ t('admin.accounts.quotaControl.rpmLimit.strategyTiered') }}</div>
+                    <div class="mt-0.5 text-[10px] opacity-70">{{ t('admin.accounts.quotaControl.rpmLimit.strategyTieredHint') }}</div>
+                  </div>
+                </button>
+                <button
+                  type="button"
+                  @click="rpmStrategy = 'sticky_exempt'"
+                  :class="[
+                    'flex-1 rounded-lg px-3 py-2 text-sm font-medium transition-all',
+                    rpmStrategy === 'sticky_exempt'
+                      ? 'bg-primary-100 text-primary-700 dark:bg-primary-900/30 dark:text-primary-400'
+                      : 'bg-gray-100 text-gray-600 hover:bg-gray-200 dark:bg-dark-600 dark:text-gray-400 dark:hover:bg-dark-500'
+                  ]"
+                >
+                  <div class="text-center">
+                    <div>{{ t('admin.accounts.quotaControl.rpmLimit.strategyStickyExempt') }}</div>
+                    <div class="mt-0.5 text-[10px] opacity-70">{{ t('admin.accounts.quotaControl.rpmLimit.strategyStickyExemptHint') }}</div>
+                  </div>
+                </button>
+              </div>
+            </div>
+
+            <div v-if="rpmStrategy === 'tiered'">
+              <label class="input-label">{{ t('admin.accounts.quotaControl.rpmLimit.stickyBuffer') }}</label>
+              <input
+                v-model.number="rpmStickyBuffer"
+                type="number"
+                min="1"
+                step="1"
+                class="input"
+                :placeholder="t('admin.accounts.quotaControl.rpmLimit.stickyBufferPlaceholder')"
+              />
+              <p class="input-hint">{{ t('admin.accounts.quotaControl.rpmLimit.stickyBufferHint') }}</p>
             </div>
           </div>
         </div>
@@ -1303,7 +1345,8 @@ const maxSessions = ref<number | null>(null)
 const sessionIdleTimeout = ref<number | null>(null)
 const rpmLimitEnabled = ref(false)
 const baseRpm = ref<number | null>(null)
-const rpmStrategy = ref<string>('tiered')
+const rpmStrategy = ref<'tiered' | 'sticky_exempt'>('tiered')
+const rpmStickyBuffer = ref<number | null>(null)
 const tlsFingerprintEnabled = ref(false)
 const sessionIdMaskingEnabled = ref(false)
 const cacheTTLOverrideEnabled = ref(false)
@@ -1766,6 +1809,7 @@ function loadQuotaControlSettings(account: Account) {
   rpmLimitEnabled.value = false
   baseRpm.value = null
   rpmStrategy.value = 'tiered'
+  rpmStickyBuffer.value = null
   tlsFingerprintEnabled.value = false
   sessionIdMaskingEnabled.value = false
   cacheTTLOverrideEnabled.value = false
@@ -1793,7 +1837,8 @@ function loadQuotaControlSettings(account: Account) {
   if (account.base_rpm != null && account.base_rpm > 0) {
     rpmLimitEnabled.value = true
     baseRpm.value = account.base_rpm
-    rpmStrategy.value = account.rpm_strategy || 'tiered'
+    rpmStrategy.value = (account.rpm_strategy as 'tiered' | 'sticky_exempt') || 'tiered'
+    rpmStickyBuffer.value = account.rpm_sticky_buffer ?? null
   }
 
   // Load TLS fingerprint setting
@@ -2110,6 +2155,11 @@ const handleSubmit = async () => {
       if (rpmLimitEnabled.value && baseRpm.value != null && baseRpm.value > 0) {
         newExtra.base_rpm = baseRpm.value
         newExtra.rpm_strategy = rpmStrategy.value
+        if (rpmStickyBuffer.value != null && rpmStickyBuffer.value > 0) {
+          newExtra.rpm_sticky_buffer = rpmStickyBuffer.value
+        } else {
+          delete newExtra.rpm_sticky_buffer
+        }
       } else {
         delete newExtra.base_rpm
         delete newExtra.rpm_strategy
diff --git a/frontend/src/i18n/locales/en.ts b/frontend/src/i18n/locales/en.ts
index f730a04f..d2e1d138 100644
--- a/frontend/src/i18n/locales/en.ts
+++ b/frontend/src/i18n/locales/en.ts
@@ -1618,6 +1618,13 @@ export default {
           full: 'RPM limit reached',
           warning: 'RPM approaching limit',
           normal: 'RPM normal',
+          tieredNormal: 'RPM limit (Tiered) - Normal',
+          tieredWarning: 'RPM limit (Tiered) - Approaching limit',
+          tieredStickyOnly: 'RPM limit (Tiered) - Sticky only | Buffer: {buffer}',
+          tieredBlocked: 'RPM limit (Tiered) - Blocked | Buffer: {buffer}',
+          stickyExemptNormal: 'RPM limit (Sticky Exempt) - Normal',
+          stickyExemptWarning: 'RPM limit (Sticky Exempt) - Approaching limit',
+          stickyExemptOver: 'RPM limit (Sticky Exempt) - Over limit, sticky only'
         },
       },
       tempUnschedulable: {
@@ -1842,7 +1849,12 @@ export default {
           strategy: 'RPM Strategy',
           strategyTiered: 'Tiered Model',
           strategyStickyExempt: 'Sticky Exempt',
+          strategyTieredHint: 'Green → Yellow → Sticky only → Blocked, progressive throttling',
+          strategyStickyExemptHint: 'Only sticky sessions allowed when over limit',
           strategyHint: 'Tiered: gradually restrict when exceeded; Sticky Exempt: existing sessions unrestricted',
+          stickyBuffer: 'Sticky Buffer',
+          stickyBufferPlaceholder: 'Default: 20% of base RPM',
+          stickyBufferHint: 'Extra requests allowed for sticky sessions after exceeding base RPM. Leave empty to use default (20% of base RPM, min 1)'
         },
         tlsFingerprint: {
           label: 'TLS Fingerprint Simulation',
diff --git a/frontend/src/i18n/locales/zh.ts b/frontend/src/i18n/locales/zh.ts
index b2e72fd8..b28ba89f 100644
--- a/frontend/src/i18n/locales/zh.ts
+++ b/frontend/src/i18n/locales/zh.ts
@@ -1669,6 +1669,13 @@ export default {
           full: '已达 RPM 上限',
           warning: 'RPM 接近上限',
           normal: 'RPM 正常',
+          tieredNormal: 'RPM 限制 (三区模型) - 正常',
+          tieredWarning: 'RPM 限制 (三区模型) - 接近阈值',
+          tieredStickyOnly: 'RPM 限制 (三区模型) - 仅粘性会话 | 缓冲区: {buffer}',
+          tieredBlocked: 'RPM 限制 (三区模型) - 已阻塞 | 缓冲区: {buffer}',
+          stickyExemptNormal: 'RPM 限制 (粘性豁免) - 正常',
+          stickyExemptWarning: 'RPM 限制 (粘性豁免) - 接近阈值',
+          stickyExemptOver: 'RPM 限制 (粘性豁免) - 超限，仅粘性会话'
         },
       },
       clearRateLimit: '清除速率限制',
@@ -1985,7 +1992,12 @@ export default {
           strategy: 'RPM 策略',
           strategyTiered: '三区模型',
           strategyStickyExempt: '粘性豁免',
+          strategyTieredHint: '绿区→黄区→仅粘性→阻塞，逐步限流',
+          strategyStickyExemptHint: '超限后仅允许粘性会话',
           strategyHint: '三区模型: 超限后逐步限制; 粘性豁免: 已有会话不受限',
+          stickyBuffer: '粘性缓冲区',
+          stickyBufferPlaceholder: '默认: base RPM 的 20%',
+          stickyBufferHint: '超过 base RPM 后，粘性会话额外允许的请求数。为空则使用默认值（base RPM 的 20%，最小为 1）'
         },
         tlsFingerprint: {
           label: 'TLS 指纹模拟',
diff --git a/frontend/src/views/admin/AccountsView.vue b/frontend/src/views/admin/AccountsView.vue
index 09e8649d..defcd434 100644
--- a/frontend/src/views/admin/AccountsView.vue
+++ b/frontend/src/views/admin/AccountsView.vue
@@ -263,7 +263,7 @@
     <AccountActionMenu :show="menu.show" :account="menu.acc" :position="menu.pos" @close="menu.show = false" @test="handleTest" @stats="handleViewStats" @reauth="handleReAuth" @refresh-token="handleRefresh" @reset-status="handleResetStatus" @clear-rate-limit="handleClearRateLimit" />
     <SyncFromCrsModal :show="showSync" @close="showSync = false" @synced="reload" />
     <ImportDataModal :show="showImportData" @close="showImportData = false" @imported="handleDataImported" />
-    <BulkEditAccountModal :show="showBulkEdit" :account-ids="selIds" :selected-platforms="selPlatforms" :proxies="proxies" :groups="groups" @close="showBulkEdit = false" @updated="handleBulkUpdated" />
+    <BulkEditAccountModal :show="showBulkEdit" :account-ids="selIds" :selected-platforms="selPlatforms" :selected-types="selTypes" :proxies="proxies" :groups="groups" @close="showBulkEdit = false" @updated="handleBulkUpdated" />
     <TempUnschedStatusModal :show="showTempUnsched" :account="tempUnschedAcc" @close="showTempUnsched = false" @reset="handleTempUnschedReset" />
     <ConfirmDialog :show="showDeleteDialog" :title="t('admin.accounts.deleteAccount')" :message="t('admin.accounts.deleteConfirm', { name: deletingAcc?.name })" :confirm-text="t('common.delete')" :cancel-text="t('common.cancel')" :danger="true" @confirm="confirmDelete" @cancel="showDeleteDialog = false" />
     <ConfirmDialog :show="showExportDataDialog" :title="t('admin.accounts.dataExport')" :message="t('admin.accounts.dataExportConfirmMessage')" :confirm-text="t('admin.accounts.dataExportConfirm')" :cancel-text="t('common.cancel')" @confirm="handleExportData" @cancel="showExportDataDialog = false">
@@ -307,7 +307,7 @@ import PlatformTypeBadge from '@/components/common/PlatformTypeBadge.vue'
 import Icon from '@/components/icons/Icon.vue'
 import ErrorPassthroughRulesModal from '@/components/admin/ErrorPassthroughRulesModal.vue'
 import { formatDateTime, formatRelativeTime } from '@/utils/format'
-import type { Account, AccountPlatform, Proxy, AdminGroup, WindowStats } from '@/types'
+import type { Account, AccountPlatform, AccountType, Proxy, AdminGroup, WindowStats } from '@/types'
 
 const { t } = useI18n()
 const appStore = useAppStore()
@@ -324,6 +324,14 @@ const selPlatforms = computed<AccountPlatform[]>(() => {
   )
   return [...platforms]
 })
+const selTypes = computed<AccountType[]>(() => {
+  const types = new Set(
+    accounts.value
+      .filter(a => selIds.value.includes(a.id))
+      .map(a => a.type)
+  )
+  return [...types]
+})
 const showCreate = ref(false)
 const showEdit = ref(false)
 const showSync = ref(false)