diff --git a/server/cmd/api/main.go b/server/cmd/api/main.go
index 963f4b0..0557a33 100644
--- a/server/cmd/api/main.go
+++ b/server/cmd/api/main.go
@@ -70,21 +70,24 @@ func main() {
 	}
 
 	// 3. 自动迁移表
-	db.AutoMigrate(&model.DatabaseInfo{}, &model.SubTableInfo{})
+	db.AutoMigrate(&model.DatabaseInfo{}, &model.SubTableInfo{}, &model.ModelInfo{})
 
 	// 4. 初始化 Repository
 	dbRepo := repository.NewDatabaseRepository(db)
 	subTableRepo := repository.NewSubTableRepository(db)
+	modelRepo := repository.NewModelRepository(db)
 
 	// 5. 初始化 Service
 	dbService := service.NewDatabaseService(dbRepo, subTableRepo)
 	subTableService := service.NewSubTableService(subTableRepo, dbRepo)
 	neo4jService := service.NewNeo4jService(dbRepo)
+	modelService := service.NewModelService(modelRepo)
 
 	// 6. 初始化 Handler
 	dbHandler := handler.NewDatabaseHandler(dbService)
 	subTableHandler := handler.NewSubTableHandler(subTableService)
 	neo4jHandler := handler.NewNeo4jHandler(neo4jService)
+	modelHandler := handler.NewModelHandler(modelService)
 	systemHandler := handler.NewSystemHandler()
 
 	// 7. 设置路由
@@ -163,6 +166,17 @@ func main() {
 		neo4jGroup.POST("/relationships", neo4jHandler.GetRelationships)
 	}
 
+	// Model 管理模块
+	modelGroup := r.Group("/model")
+	{
+		modelGroup.GET("/list", modelHandler.List)
+		modelGroup.GET("/:id", modelHandler.GetByID)
+		modelGroup.POST("/add", modelHandler.Create)
+		modelGroup.PUT("/:id", modelHandler.Update)
+		modelGroup.DELETE("/:id", modelHandler.Delete)
+		modelGroup.POST("/test", modelHandler.Test)
+	}
+
 	// 系统信息模块
 	r.GET("/system/info", systemHandler.GetSystemInfo)
 
diff --git a/web/src/components/Sidebar.vue b/web/src/components/Sidebar.vue
index 03c8007..916994f 100644
--- a/web/src/components/Sidebar.vue
+++ b/web/src/components/Sidebar.vue
@@ -1,6 +1,10 @@
 <script setup lang="ts">
-import { computed } from 'vue'
+import { computed, ref } from 'vue'
 import { useRouter, useRoute } from 'vue-router'
+import { ElMessageBox } from 'element-plus'
+
+// 下拉菜单展开状态
+const userDropdownVisible = ref(false)
 
 const router = useRouter()
 const route = useRoute()
@@ -19,13 +23,13 @@ const mainMenu: MenuItem[] = [
   { name: 'Skills', icon: 'fa-wand-magic-sparkles', badge: 21, path: '/mcp' },
   { name: 'Tools', icon: 'fa-tools', badge: 13, path: '/model-apis' },
   { name: 'Database', icon: 'fa-database', path: '/database' },
-  { name: 'Knowledge', icon: 'fa-book' },
+  { name: 'Knowledge', icon: 'fa-brain', path: '/knowledge' },
 ]
 
 const bottomMenu: MenuItem[] = [
-  { name: 'API Keys', icon: 'fa-key' },
-  { name: 'Settings', icon: 'fa-gear' },
-  { name: 'Team', icon: 'fa-users' },
+  { name: 'API Keys', icon: 'fa-key', path: '/api-keys' },
+  { name: 'Settings', icon: 'fa-gear', path: '/settings' },
+  { name: 'Team', icon: 'fa-users', path: '/team' },
   { name: 'Service Accounts', icon: 'fa-user-shield' },
   { name: 'Integrations', icon: 'fa-plug' },
 ]
@@ -37,8 +41,13 @@ const bottomMenu2: MenuItem[] = [
 
 const activeMenu = computed(() => {
   const currentPath = route.path
+  // Check main menu
   const menuItem = mainMenu.find(item => item.path === currentPath)
-  return menuItem ? menuItem.name : 'Dashboard'
+  if (menuItem) return menuItem.name
+  // Check bottom menu
+  const bottomItem = bottomMenu.find(item => item.path === currentPath)
+  if (bottomItem) return bottomItem.name
+  return 'Dashboard'
 })
 
 const navigateTo = (item: MenuItem) => {
@@ -46,6 +55,32 @@ const navigateTo = (item: MenuItem) => {
     router.push(item.path)
   }
 }
+
+// 用户菜单操作
+const handleUserCommand = (command: string) => {
+  switch (command) {
+    case 'settings':
+      // 全局设置
+      router.push('/settings')
+      break
+    case 'userManagement':
+      // 用户管理
+      router.push('/user-management')
+      break
+    case 'logout':
+      // 退出登录
+      ElMessageBox.confirm('确定要退出登录吗？', '提示', {
+        confirmButtonText: '确定',
+        cancelButtonText: '取消',
+        type: 'warning',
+      }).then(() => {
+        // 清除登录状态
+        localStorage.removeItem('token')
+        router.push('/login')
+      }).catch(() => {})
+      break
+  }
+}
 </script>
 
 <template>
@@ -90,7 +125,9 @@ const navigateTo = (item: MenuItem) => {
         <li v-for="item in bottomMenu" :key="item.name">
           <a
             href="#"
-            class="flex items-center justify-between px-3 py-2.5 rounded-lg hover:bg-dark-600 text-gray-400 hover:text-white transition-colors text-sm"
+            class="flex items-center justify-between px-3 py-2.5 rounded-lg transition-colors text-sm"
+            :class="activeMenu === item.name ? 'bg-dark-600 text-white' : 'text-gray-400 hover:bg-dark-600 hover:text-white'"
+            @click="navigateTo(item)"
           >
             <div class="flex items-center gap-3">
               <i :class="['fa-solid', item.icon, 'w-5', 'text-center']"></i>
@@ -117,6 +154,7 @@ const navigateTo = (item: MenuItem) => {
           <a
             href="#"
             class="flex items-center gap-3 px-3 py-2.5 rounded-lg hover:bg-dark-600 text-gray-400 hover:text-white transition-colors text-sm"
+            @click="navigateTo(item)"
           >
             <i :class="['fa-solid', item.icon, 'w-5', 'text-center']"></i>
             <span>{{ item.name }}</span>
@@ -126,14 +164,66 @@ const navigateTo = (item: MenuItem) => {
     </nav>
 
     <!-- 底部用户信息 -->
-    <div class="p-4 border-t border-dark-500">
-      <div class="flex items-center gap-3">
-        <img src="https://picsum.photos/id/64/40/40" alt="User Avatar" class="w-8 h-8 rounded-full object-cover">
-        <div>
-          <div class="font-medium text-sm text-gray-300">Alex Smith</div>
-          <div class="text-xs text-gray-500">alex@gmail.com</div>
+    <div class="border-t border-dark-500">
+      <el-dropdown trigger="click" @command="handleUserCommand" class="user-dropdown" @visible-change="(v: boolean) => userDropdownVisible = v">
+        <div class="w-full flex items-center justify-between cursor-pointer hover:bg-dark-600 px-4 py-3 transition-colors">
+          <div class="flex items-center gap-3">
+            <img src="https://picsum.photos/id/64/40/40" alt="User Avatar" class="w-8 h-8 rounded-full object-cover">
+            <div class="min-w-0">
+              <div class="font-medium text-sm text-gray-300 truncate">Alex Smith</div>
+              <div class="text-xs text-gray-500 truncate">alex@gmail.com</div>
+            </div>
+          </div>
+          <i :class="['fa-solid', userDropdownVisible ? 'fa-chevron-up' : 'fa-chevron-down', 'text-xs', 'text-gray-500']"></i>
         </div>
-      </div>
+        <template #dropdown>
+          <el-dropdown-menu>
+            <el-dropdown-item command="settings">
+              <i class="fa-solid fa-gear w-4 text-center"></i>
+              Settings
+            </el-dropdown-item>
+            <el-dropdown-item command="userManagement">
+              <i class="fa-solid fa-user w-4 text-center"></i>
+              Users
+            </el-dropdown-item>
+            <el-dropdown-item divided command="logout">
+              <i class="fa-solid fa-arrow-right-from-bracket w-4 text-center"></i>
+              Sign Out
+            </el-dropdown-item>
+          </el-dropdown-menu>
+        </template>
+      </el-dropdown>
     </div>
   </aside>
 </template>
+
+<style>
+.user-dropdown {
+  width: 100%;
+}
+.user-dropdown .el-dropdown-menu {
+  background-color: #262626;
+  border: none;
+  padding: 6px;
+  border-radius: 10px;
+  min-width: 200px;
+}
+.user-dropdown .el-dropdown-menu__item {
+  color: white;
+  padding: 8px 14px;
+  border-radius: 6px;
+  font-size: 13px;
+  display: flex;
+  align-items: center;
+  gap: 10px;
+}
+.user-dropdown .el-dropdown-menu__item:hover {
+  background-color: #F97316;
+  color: white;
+}
+.user-dropdown .el-dropdown-menu__item--divided {
+  border-top: 1px solid #404040;
+  margin-top: 4px;
+  padding-top: 8px;
+}
+</style>
diff --git a/web/src/router/index.ts b/web/src/router/index.ts
index 6555fbd..7b32f79 100644
--- a/web/src/router/index.ts
+++ b/web/src/router/index.ts
@@ -5,6 +5,8 @@ import Agents from '@/views/Agents.vue'
 import MCP from '@/views/MCP.vue'
 import ModelAPIs from '@/views/ModelAPIs.vue'
 import Database from '@/views/Database.vue'
+import Knowledge from '@/views/Knowledge.vue'
+import Settings from '@/views/Settings.vue'
 
 const router = createRouter({
   history: createWebHistory(import.meta.env.BASE_URL),
@@ -38,6 +40,16 @@ const router = createRouter({
       path: '/database',
       name: 'database',
       component: Database
+    },
+    {
+      path: '/knowledge',
+      name: 'knowledge',
+      component: Knowledge
+    },
+    {
+      path: '/settings',
+      name: 'settings',
+      component: Settings
     }
   ]
 })