调整菜单（隐藏对话菜单，登录后只显示应用列表）

lib/main.dart

-import 'package:allen/home_page.dart';
+import 'package:allen/pages/apps_page.dart';
 
 import 'package:allen/pallete.dart';
 import 'package:allen/providers.dart';
@@ -55,12 +55,12 @@ class MyApp extends StatelessWidget {
             return const CircularProgressIndicator();
           }
 
-          return snapshot.hasData ? const HomePage() : const LoginPage();
+          return snapshot.hasData ? const AppsPage() : const LoginPage();
         },
       ),
       onGenerateRoute: (settings) {
-        if (settings.name == '/home') {
-          return MaterialPageRoute(builder: (context) => const HomePage());
+        if (settings.name == '/apps') {
+          return MaterialPageRoute(builder: (context) => const AppsPage());
         }
 
         if (settings.name == '/login') {
@@ -76,10 +76,10 @@ class MyApp extends StatelessWidget {
             );
           }
 
-          return MaterialPageRoute(builder: (context) => const HomePage());
+          return MaterialPageRoute(builder: (context) => const AppsPage());
         }
 
-        return MaterialPageRoute(builder: (context) => const HomePage());
+        return MaterialPageRoute(builder: (context) => const AppsPage());
       },
     );
   }

lib/pages/apps_page.dart

 import 'package:flutter/material.dart';
 
-import '../services/api_service.dart';
 import '../services/apps_service.dart';
 
 import '../models/app_item.dart';
@@ -11,8 +10,6 @@ import '../services/storage_service.dart';
 
 import '../models/user.dart';
 
-import 'package:shared_preferences/shared_preferences.dart';
-
 class AppsPage extends StatefulWidget {
   const AppsPage({super.key});
 
@@ -39,12 +36,13 @@ class _AppsPageState extends State<AppsPage> {
 
   static const int _pageSize = 4;
 
+  User? _currentUser;
+
   @override
   void initState() {
     super.initState();
-
+    _loadUserInfo();
     _initializeService();
-
     _scrollController.addListener(_onScroll);
   }
 
@@ -126,6 +124,20 @@ class _AppsPageState extends State<AppsPage> {
     }
   }
 
+  Future<void> _loadUserInfo() async {
+    final user = await StorageService.getUser();
+    setState(() {
+      _currentUser = user;
+    });
+  }
+
+  void _handleLogout() async {
+    await StorageService.clearUser();
+    if (mounted) {
+      Navigator.pushReplacementNamed(context, '/login');
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     if (isLoading) {
@@ -136,7 +148,38 @@ class _AppsPageState extends State<AppsPage> {
       return Center(child: Text(error!));
     }
 
-    return ListView.builder(
+    return Scaffold(
+      appBar: AppBar(
+        automaticallyImplyLeading: false,
+        title: const Text(
+          '我的应用',
+          style: TextStyle(
+            fontSize: 24,
+            fontWeight: FontWeight.bold,
+          ),
+        ),
+        actions: [
+          if (_currentUser != null) ...[
+            Center(
+              child: Text(
+                _currentUser!.username,
+                style: const TextStyle(
+                  fontSize: 16,
+                  fontWeight: FontWeight.w500,
+                ),
+              ),
+            ),
+            const SizedBox(width: 12),
+            IconButton(
+              icon: const Icon(Icons.logout),
+              onPressed: _handleLogout,
+              tooltip: '退出登录',
+            ),
+            const SizedBox(width: 8),
+          ],
+        ],
+      ),
+      body: ListView.builder(
         controller: _scrollController,
         padding: const EdgeInsets.all(16),
         itemCount: apps.length + (_hasMoreData ? 1 : 0),
@@ -197,6 +240,7 @@ class _AppsPageState extends State<AppsPage> {
             ),
           );
         },
+      ),
     );
   }