diff --git a/layouts/admin/AdminLayout.uvue b/layouts/admin/AdminLayout.uvue
index da188f0e..fa7f4908 100644
--- a/layouts/admin/AdminLayout.uvue
+++ b/layouts/admin/AdminLayout.uvue
@@ -116,7 +116,8 @@ import {
   closeAllTabs,
   toggleMainAsideCollapse as storeToggleCollapse,
   toggleSubSider as storeToggleSubSider,
-  initNavState
+  initNavState,
+  restoreNavState
 } from '@/layouts/admin/store/adminNavStore.uts'
 import type { TabItem } from '@/layouts/admin/store/adminNavStore.uts'
 
@@ -418,10 +419,18 @@ onMounted(async () => {
   // #endif
 
   isAuthReady.value = true
-  initNavState()
-  if (props.currentPage != '') {
-    openRoute(props.currentPage as string)
+
+  // 第二段：尝试从 sessionStorage 恢复上次打开的页签状态
+  // restoreNavState 会校验路由有效性和权限，过滤无效项后重建 tabs
+  const restored = restoreNavState()
+  if (!restored) {
+    // 首次打开 / 缓存为空 / 恢复失败 → 走默认初始化（只有首页tab）
+    initNavState()
+    if (props.currentPage != '') {
+      openRoute(props.currentPage as string)
+    }
   }
+  // restored=true 时，activeRouteId 已由 restoreNavState 正确设置，无需额外跳转
   
   // 初始化窗口宽度
   windowWidth.value = uni.getWindowInfo().windowWidth
diff --git a/layouts/admin/store/adminNavStore.uts b/layouts/admin/store/adminNavStore.uts
index dbaf6914..34f7d2dc 100644
--- a/layouts/admin/store/adminNavStore.uts
+++ b/layouts/admin/store/adminNavStore.uts
@@ -14,6 +14,25 @@ import {
 import { addView, activeFullPath, visitedViews } from './tagsViewStore.uts'
 import { hasAdminModuleAccess } from '@/layouts/admin/utils/role.uts'
 
+// ============================================
+// Tabs 持久化 keys（使用 sessionStorage，与 token 策略一致）
+// sessionStorage 在同一标签页 F5 刷新后保留，关闭标签页后自动清除
+// ============================================
+const TAB_STORAGE_KEY = 'admin_opened_tabs'
+const ACTIVE_ROUTE_KEY = 'admin_active_route'
+const LAST_SUB_STORAGE_KEY = 'admin_last_sub_by_menu'
+
+/** 将当前 tabs / activeRouteId / lastSubIdByMenu 写入 sessionStorage */
+function persistNavState(): void {
+  // #ifdef H5
+  try {
+    sessionStorage.setItem(TAB_STORAGE_KEY, JSON.stringify(tabs.value))
+    sessionStorage.setItem(ACTIVE_ROUTE_KEY, activeRouteId.value)
+    sessionStorage.setItem(LAST_SUB_STORAGE_KEY, JSON.stringify(lastSubIdByMenu.value))
+  } catch (_) {}
+  // #endif
+}
+
 /**
  * 标签页类型
  */
@@ -120,6 +139,9 @@ export function openRoute(routeId: string, addTab: boolean = true): void {
   // 添加到标签页
   if (addTab) {
     addTabItem(route)
+  } else {
+    // 即使不新增 tab，activeRouteId 变化了也要持久化
+    persistNavState()
   }
 }
 
@@ -150,6 +172,9 @@ function addTabItem(route: RouteRecord): void {
   // 更新新版 TagsViewStore
   addView(route, route.path)
   activeFullPath.value = route.path
+
+  // 持久化到 sessionStorage
+  persistNavState()
 }
 
 /**
@@ -178,6 +203,8 @@ export function closeTab(tabId: string): void {
   }
 
   tabs.value.splice(index, 1)
+  // 持久化
+  persistNavState()
 }
 
 /**
@@ -192,6 +219,8 @@ export function closeOtherTabs(keepTabId: string): void {
   if (!stillExists) {
     openRoute(keepTabId, false)
   }
+  // 持久化
+  persistNavState()
 }
 
 /**
@@ -205,6 +234,8 @@ export function closeAllTabs(): void {
   if (homeTab) {
     openRoute(homeTab.id, false)
   }
+  // 持久化
+  persistNavState()
 }
 
 /**
@@ -222,7 +253,7 @@ export function toggleSubSider(): void {
 }
 
 /**
- * 初始化导航状态
+ * 初始化导航状态（首次进入 / 恢复失败时的兜底）
  * 在 AdminLayout 组件 onMounted 时调用
  */
 export function initNavState(): void {
@@ -244,6 +275,86 @@ export function initNavState(): void {
   openRoute('home_index', false)
 }
 
+/**
+ * 从 sessionStorage 恢复导航状态（F5刷新后调用）
+ * - 校验每个缓存 tab 的路由是否仍然存在
+ * - 校验是否仍有权限
+ * - 过滤无效项后重建 tabs
+ * - 恢复 activeRouteId 和菜单高亮
+ * @returns true=恢复成功，false=无有效缓存或恢复失败（调用方应走 initNavState 兜底）
+ */
+export function restoreNavState(): boolean {
+  // #ifdef H5
+  try {
+    const rawTabs = sessionStorage.getItem(TAB_STORAGE_KEY)
+    if (!rawTabs) return false
+
+    const savedTabs = JSON.parse(rawTabs) as TabItem[]
+    if (!Array.isArray(savedTabs) || savedTabs.length === 0) return false
+
+    // 校验并过滤：路由必须存在且有权限
+    const validTabs = savedTabs.filter(tab => {
+      const route = findRouteById(tab.id)
+      if (!route) return false  // 路由已不存在（文件删除或路由表变更）
+      const moduleId = route.parentId ?? tab.id.split('_')[0]
+      return hasAdminModuleAccess(moduleId)  // 检查权限
+    })
+
+    // 首页 tab 始终保留（防止全部被过滤后无处可去）
+    const homeRoute = findRouteById('home_index')
+    if (homeRoute && !validTabs.some(t => t.id === 'home_index')) {
+      validTabs.unshift({
+        id: homeRoute.id,
+        title: homeRoute.title,
+        path: homeRoute.path,
+        isAffix: homeRoute.isAffix || false
+      })
+    }
+
+    if (validTabs.length === 0) return false
+
+    // 重建 tabs
+    tabs.value = validTabs
+    validTabs.forEach(tab => {
+      const route = findRouteById(tab.id)
+      if (route) addView(route, route.path)
+    })
+
+    // 恢复 lastSubIdByMenu
+    try {
+      const rawLast = sessionStorage.getItem(LAST_SUB_STORAGE_KEY)
+      if (rawLast) {
+        lastSubIdByMenu.value = JSON.parse(rawLast) as Record<string, string>
+      }
+    } catch (_) {}
+
+    // 恢复 activeRouteId
+    const savedActive = sessionStorage.getItem(ACTIVE_ROUTE_KEY)
+    const activeIsValid = savedActive != null &&
+                          findRouteById(savedActive) != null &&
+                          validTabs.some(t => t.id === savedActive)
+
+    const targetId = activeIsValid ? savedActive! : validTabs[0].id
+    activeRouteId.value = targetId
+    activeFullPath.value = findRouteById(targetId)?.path ?? ''
+
+    const activeRoute = findRouteById(targetId)
+    if (activeRoute?.parentId) {
+      activeTopMenuId.value = activeRoute.parentId
+    } else {
+      activeTopMenuId.value = targetId.split('_')[0]
+    }
+
+    console.log('[AdminNav] 已从缓存恢复导航状态, tabs:', validTabs.length, 'active:', targetId)
+    return true
+  } catch (e) {
+    console.warn('[AdminNav] 恢复导航状态失败，将走默认初始化:', e)
+    return false
+  }
+  // #endif
+  return false
+}
+
 /**
  * 根据 currentPage 同步状态
  * 用于页面组件传入 currentPage prop 时的状态同步
diff --git a/layouts/admin/utils/adminAuth.uts b/layouts/admin/utils/adminAuth.uts
index 6d1c0f0d..0e839fd0 100644
--- a/layouts/admin/utils/adminAuth.uts
+++ b/layouts/admin/utils/adminAuth.uts
@@ -1,6 +1,6 @@
 import { state, getCurrentUser } from '@/utils/store.uts'
 import { clearAdminRoleCache, refreshAdminRole } from './role.uts'
-import supa from '@/components/supadb/aksupainstance.uts'
+import supa, { supaReady } from '@/components/supadb/aksupainstance.uts'
 
 let __isHandlingExpired = false
 
@@ -51,6 +51,11 @@ export function handleSessionExpired(reason?: string) {
  */
 export async function ensureAdminSession(): Promise<boolean> {
   try {
+    // ① 等待 hydrateSessionFromStorage() 完成（从storage恢复token→异步网络请求）
+    // 必须在 getSession() 之前 await，否则刷新后 this.session 仍为 null，
+    // 会被误判为未登录并触发 handleSessionExpired。
+    try { await supaReady } catch (_) {}
+
     const sessionInfo = supa.getSession()
     if (sessionInfo.session == null) {
       console.warn('[AdminAuth] 没有发现凭证，要求重新登录')