diff --git a/src/views/admin/AdminView.vue b/src/views/admin/AdminView.vue
index c337417..70ba234 100644
--- a/src/views/admin/AdminView.vue
+++ b/src/views/admin/AdminView.vue
@@ -1,8 +1,9 @@
 <script setup lang="ts">
 import { computed, onMounted, ref, watch, type Component } from 'vue'
-import { NAlert, NButton, NEmpty, NIcon, NSkeleton, NTag, useMessage } from 'naive-ui'
+import { NAlert, NButton, NEmpty, NIcon, NPopover, NSkeleton, NTag, useMessage } from 'naive-ui'
 import {
   Check,
+  ChevronUp,
   ClipboardCheck,
   Dashboard,
   Eye,
@@ -10,14 +11,17 @@ import {
   Home,
   LayoutSidebarLeftCollapse,
   LayoutSidebarLeftExpand,
+  Logout,
   Photo,
   Refresh,
+  Settings,
   Shield,
   Trash,
   UserCircle,
   Users,
   X,
 } from '@vicons/tabler'
+import { useRouter } from 'vue-router'
 import ImageDetailModal from '@/components/cloud/ImageDetailModal.vue'
 import MiniLocationMap from '@/components/cloud/MiniLocationMap.vue'
 import { apiRequest } from '@/lib/api'
@@ -61,9 +65,11 @@ interface DashboardStats {
 
 const authStore = useAuthStore()
 const message = useMessage()
+const router = useRouter()
 
 const activeTab = ref<AdminTab>('dashboard')
 const sidebarCollapsed = ref(false)
+const accountMenuOpen = ref(false)
 const loading = ref(true)
 const actionLoading = ref(false)
 const loadError = ref('')
@@ -117,6 +123,8 @@ const filteredImages = computed(() => {
   return images.value.filter(item => item.status === imageFilter.value)
 })
 const selectedManagedCount = computed(() => selectedImageIds.value.size)
+const displayUsername = computed(() => authStore.profile?.username || authStore.user?.email || '管理员')
+const userEmail = computed(() => authStore.user?.email || '未绑定邮箱')
 
 watch(imageFilter, () => {
   setSelectedImageIds([])
@@ -463,6 +471,20 @@ async function toggleUserDisabled(user: Profile) {
   }
 }
 
+function toggleSidebar() {
+  accountMenuOpen.value = false
+  sidebarCollapsed.value = !sidebarCollapsed.value
+}
+
+async function handleLogout() {
+  accountMenuOpen.value = false
+  try {
+    await authStore.logout()
+  } finally {
+    await router.push('/')
+  }
+}
+
 onMounted(loadAdminData)
 </script>
 
@@ -498,7 +520,7 @@ onMounted(loadAdminData)
             :aria-label="sidebarCollapsed ? '展开侧边栏' : '折叠侧边栏'"
             :aria-expanded="!sidebarCollapsed"
             :title="sidebarCollapsed ? '展开侧边栏' : '折叠侧边栏'"
-            @click="sidebarCollapsed = !sidebarCollapsed"
+            @click="toggleSidebar"
           >
             <NIcon size="20">
               <LayoutSidebarLeftExpand v-if="sidebarCollapsed" />
@@ -542,17 +564,89 @@ onMounted(loadAdminData)
         </nav>
 
         <div class="mt-4 flex gap-2 border-t border-slate-100 pt-3 lg:mt-auto lg:block lg:space-y-2 lg:border-t-0 lg:pt-0">
-          <div
-            class="flex min-w-0 flex-1 items-center gap-3 border border-slate-200 bg-slate-50 px-3 py-2.5 text-slate-700"
-            :class="sidebarCollapsed ? 'lg:justify-center lg:px-0' : ''"
-            :title="sidebarCollapsed ? (authStore.profile?.username || '管理员') : undefined"
+          <NPopover
+            v-model:show="accountMenuOpen"
+            trigger="click"
+            placement="top-start"
+            :show-arrow="false"
+            raw
           >
-            <NIcon size="22" class="shrink-0"><UserCircle /></NIcon>
-            <span class="min-w-0" :class="sidebarCollapsed ? 'lg:hidden' : ''">
-              <span class="block truncate text-sm font-semibold text-slate-900">{{ authStore.profile?.username || '管理员' }}</span>
-              <span class="mt-0.5 block text-xs text-slate-500">当前管理员</span>
-            </span>
-          </div>
+            <template #trigger>
+              <button
+                type="button"
+                class="flex min-h-[46px] min-w-0 flex-1 items-center gap-3 border px-3 py-2 text-left transition-[background-color,border-color,color,box-shadow] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-teal-600 lg:w-full"
+                :class="[
+                  accountMenuOpen
+                    ? 'border-teal-200 bg-teal-50 text-teal-800 shadow-[3px_3px_0_0_rgba(20,184,166,0.12)]'
+                    : 'border-slate-200 bg-slate-50 text-slate-700 hover:border-teal-200 hover:bg-teal-50 hover:text-teal-800',
+                  sidebarCollapsed ? 'lg:justify-center lg:px-0' : '',
+                ]"
+                aria-label="打开管理员账户菜单"
+                aria-haspopup="menu"
+                :aria-expanded="accountMenuOpen"
+                :title="sidebarCollapsed ? displayUsername : undefined"
+              >
+                <NIcon size="22" class="shrink-0"><UserCircle /></NIcon>
+                <span class="min-w-0 flex-1" :class="sidebarCollapsed ? 'lg:hidden' : ''">
+                  <span class="block truncate text-sm font-semibold text-slate-900">{{ displayUsername }}</span>
+                  <span class="mt-0.5 block text-xs text-slate-500">管理员账户</span>
+                </span>
+                <NIcon
+                  v-if="!sidebarCollapsed"
+                  size="16"
+                  class="shrink-0 transition-transform"
+                  :class="accountMenuOpen ? 'rotate-180' : ''"
+                >
+                  <ChevronUp />
+                </NIcon>
+              </button>
+            </template>
+
+            <div
+              class="w-64 border border-slate-200 bg-white shadow-[8px_8px_0_0_rgba(15,23,42,0.08)]"
+              role="menu"
+              aria-label="管理员账户"
+            >
+              <div class="border-b border-slate-200 bg-[linear-gradient(180deg,#f0fdfa_0%,#ffffff_100%)] px-4 py-3">
+                <p class="text-[11px] font-semibold uppercase tracking-[0.18em] text-teal-700">Administrator</p>
+                <p class="mt-2 truncate text-sm font-semibold text-slate-950">@{{ displayUsername }}</p>
+                <p class="mt-1 truncate text-xs text-slate-500">{{ userEmail }}</p>
+              </div>
+
+              <div class="py-2">
+                <RouterLink
+                  to="/profile"
+                  class="flex items-center gap-3 px-4 py-2.5 text-sm font-medium text-slate-700 transition-colors hover:bg-teal-50 hover:text-teal-800 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-inset focus-visible:ring-teal-600"
+                  role="menuitem"
+                  @click="accountMenuOpen = false"
+                >
+                  <NIcon size="18"><UserCircle /></NIcon>
+                  <span>个人中心</span>
+                </RouterLink>
+                <RouterLink
+                  to="/profile/settings"
+                  class="flex items-center gap-3 px-4 py-2.5 text-sm font-medium text-slate-700 transition-colors hover:bg-teal-50 hover:text-teal-800 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-inset focus-visible:ring-teal-600"
+                  role="menuitem"
+                  @click="accountMenuOpen = false"
+                >
+                  <NIcon size="18"><Settings /></NIcon>
+                  <span>账号设置</span>
+                </RouterLink>
+              </div>
+
+              <div class="border-t border-slate-200 p-2">
+                <button
+                  type="button"
+                  class="flex w-full items-center gap-3 px-2 py-2.5 text-left text-sm font-medium text-rose-600 transition-colors hover:bg-rose-50 hover:text-rose-700 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-inset focus-visible:ring-rose-500"
+                  role="menuitem"
+                  @click="handleLogout"
+                >
+                  <NIcon size="18"><Logout /></NIcon>
+                  <span>登出</span>
+                </button>
+              </div>
+            </div>
+          </NPopover>
           <RouterLink
             to="/"
             class="flex h-[46px] shrink-0 items-center justify-center gap-3 border border-slate-200 bg-white px-3 text-sm font-semibold text-slate-700 shadow-[3px_3px_0_0_rgba(15,23,42,0.06)] transition-colors hover:border-sky-200 hover:bg-sky-50 hover:text-sky-800 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-sky-600"