diff --git a/apps/frontend/src/components.d.ts b/apps/frontend/src/components.d.ts
index 36149894..7c07e21e 100644
--- a/apps/frontend/src/components.d.ts
+++ b/apps/frontend/src/components.d.ts
@@ -59,6 +59,7 @@ declare module 'vue' {
     ElTabPane: typeof import('element-plus/es')['ElTabPane']
     ElTabs: typeof import('element-plus/es')['ElTabs']
     ElTag: typeof import('element-plus/es')['ElTag']
+    ElTooltip: typeof import('element-plus/es')['ElTooltip']
     RouterLink: typeof import('vue-router')['RouterLink']
     RouterView: typeof import('vue-router')['RouterView']
     TencentAuthCard: typeof import('./components/tencent/TencentAuthCard.vue')['default']
diff --git a/apps/frontend/src/views/admin/AdminLayout.vue b/apps/frontend/src/views/admin/AdminLayout.vue
index eeb90cb7..e8fa4976 100644
--- a/apps/frontend/src/views/admin/AdminLayout.vue
+++ b/apps/frontend/src/views/admin/AdminLayout.vue
@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { computed } from 'vue'
+import { computed, ref } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 import {
   Box,
@@ -7,10 +7,13 @@ import {
   Connection,
   DataAnalysis,
   Document,
+  Expand,
+  Fold,
   List,
   Message,
   Service,
   Setting,
+  SwitchButton,
   Tickets,
   User,
 } from '@element-plus/icons-vue'
@@ -22,6 +25,10 @@ import { formatAdminDateTime } from '@/utils/admin-time'
 
 const route = useRoute()
 const router = useRouter()
+const sidebarStorageKey = 'admin-sidebar-collapsed'
+const isSidebarCollapsed = ref(
+  typeof window !== 'undefined' && window.localStorage.getItem(sidebarStorageKey) === '1',
+)
 
 const currentRole = computed(() => getAdminRole())
 const isAdmin = computed(() => currentRole.value === 'admin')
@@ -71,6 +78,13 @@ const navItems = computed(() => {
   return items
 })
 
+function toggleSidebarCollapse() {
+  isSidebarCollapsed.value = !isSidebarCollapsed.value
+  if (typeof window !== 'undefined') {
+    window.localStorage.setItem(sidebarStorageKey, isSidebarCollapsed.value ? '1' : '0')
+  }
+}
+
 async function submitLogout() {
   try {
     await logoutAdmin()
@@ -85,14 +99,26 @@ async function submitLogout() {
 </script>
 
 <template>
-  <div class="admin-page">
+  <div class="admin-page" :class="{ 'is-sidebar-collapsed': isSidebarCollapsed }">
     <aside class="admin-sidebar">
       <div class="sidebar-brand">
-        <strong>运营后台</strong>
-        <p>订单与交付管理</p>
+        <div v-if="!isSidebarCollapsed" class="brand-copy">
+          <strong>运营后台</strong>
+          <p>订单与交付管理</p>
+        </div>
+        <el-tooltip :content="isSidebarCollapsed ? '展开导航' : '折叠导航'" placement="right">
+          <el-button
+            class="sidebar-toggle"
+            circle
+            :aria-label="isSidebarCollapsed ? '展开导航' : '折叠导航'"
+            @click="toggleSidebarCollapse"
+          >
+            <el-icon><component :is="isSidebarCollapsed ? Expand : Fold" /></el-icon>
+          </el-button>
+        </el-tooltip>
       </div>
 
-      <div class="sidebar-user">
+      <div v-if="!isSidebarCollapsed" class="sidebar-user">
         <div class="user-name">{{ getAdminUsername() || '未读取' }}</div>
         <div class="user-role">{{ roleLabel }}</div>
         <div class="user-expiry">有效期至 {{ formatAdminDateTime(getAdminTokenExpiresAt()) }}</div>
@@ -102,15 +128,27 @@ async function submitLogout() {
         :default-active="route.path"
         router
         class="sidebar-menu"
+        :collapse="isSidebarCollapsed"
+        :collapse-transition="false"
         :ellipsis="false"
       >
-        <el-menu-item v-for="item in navItems" :key="item.to" :index="item.to">
+        <el-menu-item v-for="item in navItems" :key="item.to" :index="item.to" :title="item.label">
           <el-icon><component :is="item.icon" /></el-icon>
           <span>{{ item.label }}</span>
         </el-menu-item>
       </el-menu>
 
-      <el-button round class="logout-btn" @click="submitLogout">退出登录</el-button>
+      <el-tooltip :disabled="!isSidebarCollapsed" content="退出登录" placement="right">
+        <el-button
+          class="logout-btn"
+          :circle="isSidebarCollapsed"
+          :round="!isSidebarCollapsed"
+          @click="submitLogout"
+        >
+          <el-icon v-if="isSidebarCollapsed"><SwitchButton /></el-icon>
+          <span v-else>退出登录</span>
+        </el-button>
+      </el-tooltip>
     </aside>
 
     <section class="admin-content">
@@ -123,13 +161,18 @@ async function submitLogout() {
 .admin-page {
   height: 100vh;
   display: grid;
-  grid-template-columns: 260px minmax(0, 1fr);
+  grid-template-columns: 232px minmax(0, 1fr);
   overflow: hidden;
+  transition: grid-template-columns 0.18s ease;
   background:
     radial-gradient(circle at top left, rgba(73, 136, 255, 0.1), transparent 30%),
     linear-gradient(180deg, var(--bg-page) 0%, #edf3fb 100%);
 }
 
+.admin-page.is-sidebar-collapsed {
+  grid-template-columns: 72px minmax(0, 1fr);
+}
+
 .admin-sidebar {
   height: 100vh;
   display: flex;
@@ -142,22 +185,36 @@ async function submitLogout() {
 }
 
 .sidebar-brand {
+  display: flex;
+  align-items: flex-start;
+  justify-content: space-between;
+  gap: var(--space-3);
   padding: 0 var(--space-5);
   margin-bottom: var(--space-4);
 }
 
-.sidebar-brand strong {
+.brand-copy { min-width: 0; }
+
+.brand-copy strong {
   display: block;
   font-size: var(--text-xl);
   color: var(--text-primary);
 }
 
-.sidebar-brand p {
+.brand-copy p {
   margin: var(--space-2) 0 0;
   color: var(--text-secondary);
   font-size: var(--text-sm);
 }
 
+.sidebar-toggle {
+  width: 34px;
+  height: 34px;
+  flex: 0 0 auto;
+  color: var(--text-secondary);
+  background: rgba(255, 255, 255, 0.72);
+}
+
 .sidebar-user {
   margin: 0 var(--space-4) var(--space-4);
   padding: var(--space-3);
@@ -186,6 +243,7 @@ async function submitLogout() {
   border-right: none;
   flex: 1;
   overflow-y: auto;
+  width: 100%;
 }
 
 .sidebar-menu :deep(.el-menu-item) {
@@ -205,6 +263,32 @@ async function submitLogout() {
   flex-shrink: 0;
 }
 
+.is-sidebar-collapsed .admin-sidebar {
+  align-items: stretch;
+  padding-top: var(--space-5);
+}
+
+.is-sidebar-collapsed .sidebar-brand {
+  justify-content: center;
+  padding: 0;
+  margin-bottom: var(--space-5);
+}
+
+.is-sidebar-collapsed .sidebar-menu :deep(.el-menu-item) {
+  justify-content: center;
+  margin: 4px 10px;
+  padding: 0;
+}
+
+.is-sidebar-collapsed .sidebar-menu :deep(.el-menu-item .el-icon) {
+  margin-right: 0;
+}
+
+.is-sidebar-collapsed .logout-btn {
+  width: 40px;
+  margin: var(--space-3) auto 0;
+}
+
 .admin-content {
   min-width: 0;
   height: 100vh;
@@ -220,6 +304,10 @@ async function submitLogout() {
     overflow: visible;
   }
 
+  .admin-page.is-sidebar-collapsed {
+    grid-template-columns: 1fr;
+  }
+
   .admin-sidebar {
     height: auto;
     overflow: visible;
@@ -228,8 +316,18 @@ async function submitLogout() {
     padding-bottom: var(--space-4);
   }
 
+  .is-sidebar-collapsed .admin-sidebar {
+    padding-top: var(--space-4);
+  }
+
   .sidebar-menu { overflow: visible; }
 
+  .is-sidebar-collapsed .sidebar-menu :deep(.el-menu-item) {
+    justify-content: flex-start;
+    margin: 2px var(--space-2);
+    padding: 0 var(--space-5);
+  }
+
   .admin-content {
     height: auto;
     overflow: visible;