diff --git a/components/app/sidebar/index.vue b/components/app/sidebar/index.vue
index 33a3cf5..7db6e62 100644
--- a/components/app/sidebar/index.vue
+++ b/components/app/sidebar/index.vue
@@ -44,9 +44,12 @@ const loginState = useLoginState()
         <img
           src="/images/xsh_logo.png"
           alt="Logo"
-          class="w-9 max-w-9 aspect-square group-has-[[data-collapsible=icon]]/sidebar-wrapper:w-full transition-all duration-200 ease-in-out"
+          class="size-10 -ml-4 aspect-square group-has-[[data-collapsible=icon]]/sidebar-wrapper:w-full transition-all duration-200 ease-in-out"
         />
-        <h1 class="text-lg font-medium">智课教学平台</h1>
+        <div class="flex flex-col items-start justify-center">
+          <h1 class="text-base font-bold">智慧课程平台</h1>
+          <p class="text-xs font-medium text-muted-foreground">AI 助教</p>
+        </div>
       </div>
     </SidebarHeader>
     <SidebarContent>
diff --git a/components/app/sidebar/nav/Main.vue b/components/app/sidebar/nav/Main.vue
index e9e4fb9..778c067 100644
--- a/components/app/sidebar/nav/Main.vue
+++ b/components/app/sidebar/nav/Main.vue
@@ -75,7 +75,7 @@ defineProps<{
             <SidebarMenuButton
               v-else
               as="a"
-              class="py-5"
+              class="py-5 cursor-pointer select-none"
               :tooltip="item.title"
             >
               <!-- 图标名 -->
@@ -112,7 +112,7 @@ defineProps<{
                 >
                   <SidebarMenuSubButton
                     as="a"
-                    class="py-4"
+                    class="py-4 cursor-pointer select-none"
                     as-child
                     :is-active="isActive"
                     :href
diff --git a/layouts/default.vue b/layouts/default.vue
index d9130b4..d13e8b0 100644
--- a/layouts/default.vue
+++ b/layouts/default.vue
@@ -9,36 +9,105 @@ const sidebarNav: SidebarNavGroup[] = [
     items: [
       {
         title: '课程管理',
-        url: `/course`,
         icon: 'tabler:book-2',
-      },
-      {
-        title: '课程资源',
-        url: `/course/resources`,
-        icon: 'tabler:books',
+        items: [
+          {
+            title: '我的课程',
+            url: `/course`,
+          },
+        ]
       },
       {
         title: 'AI 备课',
         icon: 'tabler:clipboard-list',
         items: [
           {
-            title: 'AI 教学设计',
+            title: '教学设计',
             url: `/course/prep/teach`,
           },
           {
-            title: 'AI 课件设计',
+            title: '课件设计',
             url: `/course/prep/deck`,
           },
           {
-            title: 'AI 出题',
+            title: '智能出题',
             url: `/course/prep/quiz`,
           },
+          {
+            title: '数字人微课',
+            url: `/course/prep/avatar`,
+          },
         ]
       },
       {
         title: 'AI 教科研',
-        url: `/course/research`,
         icon: 'tabler:report-search',
+        items: [
+          {
+            title: '教学评估',
+            url: `/course/research#`,
+          },
+          {
+            title: '学术研究',
+            url: `/course/research#`,
+          },
+          {
+            title: '办公辅助',
+            url: `/course/research#`,
+          },
+        ]
+      },
+      {
+        title: '课程资源库',
+        icon: 'tabler:books',
+        items: [
+          {
+            title: '资源库管理',
+            url: `/course/resources#`,
+          },
+          {
+            title: '课程智能体',
+            url: `/course/resources#`,
+          },
+        ]
+      },
+      {
+        title: 'AI 工具导航',
+        icon: 'tabler:planet',
+        items: [
+          {
+            title: '写作平台',
+            url: `/course/ai-navi/#`,
+          },
+          {
+            title: '绘画生成',
+            url: `/course/ai-navi/#`,
+          },
+          {
+            title: '视频创作',
+            url: `/course/ai-navi/#`,
+          },
+          {
+            title: '办公效率',
+            url: `/course/ai-navi/#`,
+          },
+          {
+            title: '智能对话',
+            url: `/course/ai-navi/#`,
+          },
+          {
+            title: '音频处理',
+            url: `/course/ai-navi/#`,
+          },
+          {
+            title: '智能体平台',
+            url: `/course/ai-navi/#`,
+          },
+          {
+            title: '其它',
+            url: `/course/ai-navi/#`,
+          },
+        ]
       },
     ],
   },