add

frontend/asset_assistant/lib/pages/home_page.dart

@@ -74,23 +74,7 @@ class _HomePageState extends State<HomePage> {
 
     return Scaffold(
       backgroundColor: Theme.of(context).colorScheme.surface,
-      appBar: AppBar(
-        leading: IconButton(
-          icon: const Icon(Icons.settings),
-          onPressed: () {
-            Navigator.pushNamed(context, '/setting_list');
-          },
-        ),
-        title: const Text(''),
-        backgroundColor: Theme.of(context).colorScheme.surface,
-        elevation: 4,
-        actions: [
-          IconButton(
-            icon: const Icon(Icons.logout),
-            onPressed: () => _logout(context),
-          ),
-        ],
-      ),
+      // 移除顶部导航栏
       body: Row(
         children: [
           // 左侧功能导航栏
@@ -98,7 +82,6 @@ class _HomePageState extends State<HomePage> {
             width: 180,
             decoration: BoxDecoration(
               color: Theme.of(context).colorScheme.surfaceContainerHighest,
-              // 使用withValues替换withOpacity
               border: Border(
                 right: BorderSide(
                   color: Theme.of(
@@ -107,35 +90,57 @@ class _HomePageState extends State<HomePage> {
                 ),
               ),
             ),
-            child: ListView.builder(
-              itemCount: _functions.length,
-              itemBuilder: (context, index) {
-                final function = _functions[index];
-                return ListTile(
-                  title: Text(
-                    function.name,
-                    style: TextStyle(
-                      color: _selectedFunctionIndex == index
-                          ? Theme.of(context).colorScheme.secondary
-                          : Theme.of(context).colorScheme.onSurface,
-                      fontWeight: _selectedFunctionIndex == index
-                          ? FontWeight.bold
-                          : FontWeight.normal,
-                    ),
+            child: Column(
+              children: [
+                // 功能列表
+                Expanded(
+                  child: ListView.builder(
+                    itemCount: _functions.length,
+                    itemBuilder: (context, index) {
+                      final function = _functions[index];
+                      return ListTile(
+                        title: Text(
+                          function.name,
+                          style: TextStyle(
+                            color: _selectedFunctionIndex == index
+                                ? Theme.of(context).colorScheme.secondary
+                                : Theme.of(context).colorScheme.onSurface,
+                            fontWeight: _selectedFunctionIndex == index
+                                ? FontWeight.bold
+                                : FontWeight.normal,
+                          ),
+                        ),
+                        selected: _selectedFunctionIndex == index,
+                        selectedTileColor: Theme.of(
+                          context,
+                        ).colorScheme.primary.withValues(alpha: 0.1),
+                        onTap: () {
+                          setState(() {
+                            _selectedFunctionIndex = index;
+                            _selectedSubFunctionIndex = 0; // 切换功能时默认选中第一个子功能
+                          });
+                        },
+                      );
+                    },
                   ),
-                  selected: _selectedFunctionIndex == index,
-                  // 使用withValues替换withOpacity
-                  selectedTileColor: Theme.of(
+                ),
+                // 底部退出登录功能
+                const Divider(height: 1), // 分隔线
+                ListTile(
+                  title: const Text(
+                    '退出登录',
+                    textAlign: TextAlign.center, // 文案居中展示
+                  ),
+                  // 设置文本颜色为灰白色
+                  textColor: Theme.of(context).colorScheme.onSurfaceVariant,
+                  onTap: () => _logout(context),
+                  tileColor: Theme.of(
                     context,
-                  ).colorScheme.primary.withValues(alpha: 0.1),
-                  onTap: () {
-                    setState(() {
-                      _selectedFunctionIndex = index;
-                      _selectedSubFunctionIndex = 0; // 切换功能时默认选中第一个子功能
-                    });
-                  },
-                );
-              },
+                  ).colorScheme.surfaceContainerHighest,
+                  // 移除默认内边距，使居中更美观
+                  contentPadding: EdgeInsets.zero,
+                ),
+              ],
             ),
           ),
 
@@ -150,7 +155,6 @@ class _HomePageState extends State<HomePage> {
                     color: Theme.of(
                       context,
                     ).colorScheme.surfaceContainerHighest,
-                    // 使用withValues替换withOpacity
                     border: Border(
                       bottom: BorderSide(
                         color: Theme.of(
@@ -204,6 +208,7 @@ class _HomePageState extends State<HomePage> {
 
                 // 子功能操作页面区域
                 Expanded(child: currentSubFunction.page),
+                Expanded(child: currentSubFunction.page),
               ],
             ),
           ),