diff --git a/backend/internal/modules/order/handler_admin.go b/backend/internal/modules/order/handler_admin.go
index 0571af7..6d8416f 100644
--- a/backend/internal/modules/order/handler_admin.go
+++ b/backend/internal/modules/order/handler_admin.go
@@ -248,6 +248,15 @@ func (h *Handler) ListPendingRefund(c *gin.Context) {
 	response.OK(c, gin.H{"items": items})
 }
 
+func (h *Handler) PendingRefundCount(c *gin.Context) {
+	count, err := h.service.PendingRefundCount(c.Request.Context())
+	if err != nil {
+		writeOrderError(c, err)
+		return
+	}
+	response.OK(c, gin.H{"pending_refund_count": count})
+}
+
 func (h *Handler) adminAction(c *gin.Context, fn func(context.Context, uint64, uint64, AdminActionRequest, AuditMeta) error, okData gin.H) {
 	adminID, ok := currentAdminID(c)
 	if !ok {
diff --git a/backend/internal/modules/order/refund_review.go b/backend/internal/modules/order/refund_review.go
index 62709f8..656171a 100644
--- a/backend/internal/modules/order/refund_review.go
+++ b/backend/internal/modules/order/refund_review.go
@@ -2,6 +2,8 @@ package order
 
 import (
 	"context"
+
+	"hfb_sys/backend/internal/model"
 )
 
 // ListPendingRefund 查询所有待客服审核退款的订单。
@@ -26,3 +28,13 @@ func (r *Repository) ListPendingRefund(ctx context.Context) ([]OrderDTO, error)
 	}
 	return items, nil
 }
+
+// PendingRefundCount 返回待客服审核退款数量，用于后台导航角标。
+func (r *Repository) PendingRefundCount(ctx context.Context) (int64, error) {
+	var count int64
+	err := r.db.WithContext(ctx).
+		Model(&model.RentalOrder{}).
+		Where("refund_status = ?", refundStatusPendingReview).
+		Count(&count).Error
+	return count, err
+}
diff --git a/backend/internal/modules/order/service.go b/backend/internal/modules/order/service.go
index 1f8643f..8e7e5a8 100644
--- a/backend/internal/modules/order/service.go
+++ b/backend/internal/modules/order/service.go
@@ -351,6 +351,13 @@ func (s *Service) ListPendingRefund(ctx context.Context) ([]OrderDTO, error) {
 	return s.repo.ListPendingRefund(ctx)
 }
 
+func (s *Service) PendingRefundCount(ctx context.Context) (int64, error) {
+	if s.repo == nil {
+		return 0, ErrDependencyUnavailable
+	}
+	return s.repo.PendingRefundCount(ctx)
+}
+
 func (s *Service) FindForUser(ctx context.Context, userID uint64, orderID uint64) (*OrderDTO, error) {
 	if s.repo == nil {
 		return nil, ErrDependencyUnavailable
diff --git a/backend/internal/router/router.go b/backend/internal/router/router.go
index e2dd0c4..130a5b3 100644
--- a/backend/internal/router/router.go
+++ b/backend/internal/router/router.go
@@ -620,6 +620,7 @@ func New(cfg config.Config, deps Dependencies, logger *zap.Logger) *gin.Engine {
 			adminRoutes.POST("/orders/:id/deposit-hold", requirePerm("order:deposit_hold"), orderHandler.AdminHoldDeposit)
 			adminRoutes.POST("/orders/:id/deposit-release", requirePerm("order:deposit_hold"), orderHandler.AdminReleaseDeposit)
 			adminRoutes.GET("/orders/refund-pending", requirePerm("order:close"), orderHandler.ListPendingRefund)
+			adminRoutes.GET("/orders/refund-pending-count", requirePerm("order:close"), orderHandler.PendingRefundCount)
 			adminRoutes.POST("/orders/:id/dispute", requirePerm("dispute:arbitrate"), disputeHandler.AdminCreateByOrder)
 
 			// 管理员线下提号（独立于正常订单流程）
diff --git a/frontend/src/features/admin/composables/usePendingRefundCount.ts b/frontend/src/features/admin/composables/usePendingRefundCount.ts
new file mode 100644
index 0000000..e53ac73
--- /dev/null
+++ b/frontend/src/features/admin/composables/usePendingRefundCount.ts
@@ -0,0 +1,89 @@
+import { computed, onBeforeUnmount, onMounted, ref, watch } from 'vue'
+import type { RouteLocationNormalizedLoaded } from 'vue-router'
+
+import { fetchPendingRefundCount } from '@/features/orders/api/orders'
+import { useAdminSessionStore } from '@/stores/adminSession'
+
+export const pendingRefundCountChangedEvent = 'pending-refund-count-changed'
+
+export function usePendingRefundCount(route: RouteLocationNormalizedLoaded) {
+  const adminSession = useAdminSessionStore()
+  const count = ref(0)
+  let timer: number | null = null
+  let requestID = 0
+
+  const label = computed(() => (count.value > 99 ? '99+' : String(count.value)))
+  const canReviewRefund = computed(
+    () => adminSession.isSuperAdmin || adminSession.hasPermission('order:close')
+  )
+
+  function stopPolling() {
+    if (timer === null) return
+    window.clearInterval(timer)
+    timer = null
+  }
+
+  async function refresh() {
+    if (!canReviewRefund.value) {
+      count.value = 0
+      return
+    }
+    const currentID = ++requestID
+    try {
+      const nextCount = await fetchPendingRefundCount()
+      if (currentID === requestID) count.value = nextCount
+    } catch {
+      // 角标加载失败时保持当前数字，避免影响后台其他操作。
+    }
+  }
+
+  function startPolling() {
+    stopPolling()
+    void refresh()
+    timer = window.setInterval(refresh, 30_000)
+  }
+
+  function handleVisibilityChange() {
+    if (document.hidden) {
+      stopPolling()
+      return
+    }
+    startPolling()
+  }
+
+  function handleCountChanged() {
+    void refresh()
+  }
+
+  onMounted(() => {
+    window.addEventListener(pendingRefundCountChangedEvent, handleCountChanged)
+    document.addEventListener('visibilitychange', handleVisibilityChange)
+    if (!document.hidden) startPolling()
+  })
+
+  onBeforeUnmount(() => {
+    stopPolling()
+    window.removeEventListener(pendingRefundCountChangedEvent, handleCountChanged)
+    document.removeEventListener('visibilitychange', handleVisibilityChange)
+  })
+
+  watch(canReviewRefund, canReview => {
+    if (canReview && !document.hidden) {
+      startPolling()
+      return
+    }
+    stopPolling()
+    count.value = 0
+  })
+
+  watch(
+    () => route.fullPath,
+    () => void refresh()
+  )
+
+  return {
+    pendingRefundCount: count,
+    pendingRefundLabel: label,
+    refreshPendingRefundCount: refresh,
+  }
+}
diff --git a/frontend/src/features/admin/views/AdminRefundReviewView.vue b/frontend/src/features/admin/views/AdminRefundReviewView.vue
index 6dcdc97..c77efe6 100644
--- a/frontend/src/features/admin/views/AdminRefundReviewView.vue
+++ b/frontend/src/features/admin/views/AdminRefundReviewView.vue
@@ -14,6 +14,7 @@ import { formatCentWithSymbol } from '@/shared/utils/money'
 import { orderStatusLabel, handoffStatusLabel } from '@/shared/utils/statusLabels'
 import { readError } from '@/shared/utils/error'
 import { adminPath } from '@/shared/utils/adminPath'
+import { pendingRefundCountChangedEvent } from '@/features/admin/composables/usePendingRefundCount'
 
 const router = useRouter()
 const loading = ref(false)
@@ -46,6 +47,7 @@ async function handleApprove(row: Order) {
   submitting.value = true
   try {
     await adminApproveRefund(row.id)
+    window.dispatchEvent(new Event(pendingRefundCountChangedEvent))
     ElMessage.success(`退款审核通过，${row.order_no} 已发起退款`)
     await loadOrders()
   } catch (error) {
@@ -75,6 +77,7 @@ async function handleRejectRestore() {
   submitting.value = true
   try {
     await adminRejectRefund(row.id, 'restore')
+    window.dispatchEvent(new Event(pendingRefundCountChangedEvent))
     ElMessage.success(`退款已驳回，${row.order_no} 已恢复至待交接状态`)
     rejectVisible.value = false
     await loadOrders()
@@ -100,6 +103,7 @@ async function handleRejectClose() {
   submitting.value = true
   try {
     await adminRejectRefund(row.id, 'close')
+    window.dispatchEvent(new Event(pendingRefundCountChangedEvent))
     ElMessage.success(`退款已驳回，${row.order_no} 已关闭`)
     rejectVisible.value = false
     await loadOrders()
diff --git a/frontend/src/features/orders/api/orders.ts b/frontend/src/features/orders/api/orders.ts
index 375c0e8..47d3ffd 100644
--- a/frontend/src/features/orders/api/orders.ts
+++ b/frontend/src/features/orders/api/orders.ts
@@ -509,3 +509,11 @@ export async function fetchPendingRefundOrders() {
   )
   return data.data.items
 }
+
+export async function fetchPendingRefundCount() {
+  const { data } = await apiClient.get<ApiResponse<{ pending_refund_count: number }>>(
+    '/admin/orders/refund-pending-count',
+    { silent: true }
+  )
+  return data.data.pending_refund_count
+}
diff --git a/frontend/src/layouts/AdminLayout.vue b/frontend/src/layouts/AdminLayout.vue
index 9c5c1cd..5b6a348 100644
--- a/frontend/src/layouts/AdminLayout.vue
+++ b/frontend/src/layouts/AdminLayout.vue
@@ -36,6 +36,7 @@ import { useRoute, useRouter } from 'vue-router'
 
 import { changeAdminPassword, logoutAdmin, updateSupportStatus } from '@/features/admin'
 import { useAdminNotificationUnreadCount } from '@/features/admin/composables/useAdminNotificationUnreadCount'
+import { usePendingRefundCount } from '@/features/admin/composables/usePendingRefundCount'
 import { useAdminSessionStore } from '@/stores/adminSession'
 import { adminPath, ADMIN_DASHBOARD_PATH, ADMIN_LOGIN_PATH } from '@/shared/utils/adminPath'
 import { readError } from '@/shared/utils/error'
@@ -303,6 +304,8 @@ const hasNotificationPermission = computed(
 )
 const { unreadCount: adminNotificationUnreadCount, unreadLabel: adminNotificationUnreadLabel } =
   useAdminNotificationUnreadCount(route)
+const { pendingRefundCount, pendingRefundLabel } = usePendingRefundCount(route)
+const refundReviewPath = adminPath('orders/refund-review')
 
 const statusLabels: Record<string, string> = {
   online: '在线',
@@ -410,7 +413,15 @@ async function handleForcedPasswordChange() {
           </template>
           <el-menu-item v-for="item in group.children" :key="item.to" :index="item.to">
             <el-icon><component :is="item.icon" /></el-icon>
-            <template #title>{{ item.label }}</template>
+            <template #title>
+              <span class="menu-item-label">{{ item.label }}</span>
+              <em
+                v-if="item.to === refundReviewPath && pendingRefundCount > 0"
+                class="menu-item-badge"
+              >
+                {{ pendingRefundLabel }}
+              </em>
+            </template>
           </el-menu-item>
         </el-sub-menu>
       </el-menu>
@@ -807,6 +818,40 @@ async function handleForcedPasswordChange() {
   background-color: #1f2d3d;
 }
 
+.menu-item-label {
+  min-width: 0;
+}
+
+.menu-item-badge {
+  margin-left: auto;
+  min-width: 18px;
+  height: 18px;
+  padding: 0 5px;
+  border-radius: 9px;
+  background: #f43f5e;
+  color: #ffffff;
+  font-size: 11px;
+  font-style: normal;
+  font-weight: 700;
+  line-height: 18px;
+  text-align: center;
+}
+
+:deep(.el-menu--collapse .menu-item-badge) {
+  position: absolute;
+  top: 6px;
+  right: 5px;
+  min-width: 8px;
+  width: 8px;
+  height: 8px;
+  padding: 0;
+  border: 2px solid #304156;
+  border-radius: 50%;
+  color: transparent;
+  font-size: 0;
+  line-height: 0;
+}
+
 :global(.admin-menu-popper) {
   --el-menu-bg-color: #304156;
   --el-menu-text-color: #bfcbd9;