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) {
@@ -136,67 +148,99 @@ class _AppsPageState extends State<AppsPage> {
       return Center(child: Text(error!));
     }
 
-    return ListView.builder(
-      controller: _scrollController,
-      padding: const EdgeInsets.all(16),
-      itemCount: apps.length + (_hasMoreData ? 1 : 0),
-      itemBuilder: (context, index) {
-        if (index == apps.length) {
-          return _buildLoadingIndicator();
-        }
-
-        final app = apps[index];
-        return Card(
-          margin: const EdgeInsets.only(bottom: 16),
-          elevation: 2,
-          child: ListTile(
-            contentPadding: const EdgeInsets.all(16),
-            leading: Container(
-              width: 60,
-              height: 60,
-              decoration: BoxDecoration(
-                color: Pallete.firstSuggestionBoxColor.withOpacity(0.1),
-                borderRadius: BorderRadius.circular(12),
-              ),
-              child: ClipRRect(
-                borderRadius: BorderRadius.circular(12),
-                child: Image.network(
-                  app.iconUrl,
-                  fit: BoxFit.cover,
-                  errorBuilder: (context, error, stackTrace) {
-                    return Icon(
-                      Icons.apps,
-                      size: 30,
-                      color: Pallete.firstSuggestionBoxColor,
-                    );
-                  },
+    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,
                 ),
               ),
             ),
-            title: Text(
-              app.name,
-              style: const TextStyle(
-                fontSize: 18,
-                fontWeight: FontWeight.bold,
-              ),
+            const SizedBox(width: 12),
+            IconButton(
+              icon: const Icon(Icons.logout),
+              onPressed: _handleLogout,
+              tooltip: '退出登录',
             ),
-            subtitle: Padding(
-              padding: const EdgeInsets.only(top: 8),
-              child: Text(
-                app.description,
-                style: const TextStyle(fontSize: 14),
+            const SizedBox(width: 8),
+          ],
+        ],
+      ),
+      body: ListView.builder(
+        controller: _scrollController,
+        padding: const EdgeInsets.all(16),
+        itemCount: apps.length + (_hasMoreData ? 1 : 0),
+        itemBuilder: (context, index) {
+          if (index == apps.length) {
+            return _buildLoadingIndicator();
+          }
+
+          final app = apps[index];
+          return Card(
+            margin: const EdgeInsets.only(bottom: 16),
+            elevation: 2,
+            child: ListTile(
+              contentPadding: const EdgeInsets.all(16),
+              leading: Container(
+                width: 60,
+                height: 60,
+                decoration: BoxDecoration(
+                  color: Pallete.firstSuggestionBoxColor.withOpacity(0.1),
+                  borderRadius: BorderRadius.circular(12),
+                ),
+                child: ClipRRect(
+                  borderRadius: BorderRadius.circular(12),
+                  child: Image.network(
+                    app.iconUrl,
+                    fit: BoxFit.cover,
+                    errorBuilder: (context, error, stackTrace) {
+                      return Icon(
+                        Icons.apps,
+                        size: 30,
+                        color: Pallete.firstSuggestionBoxColor,
+                      );
+                    },
+                  ),
+                ),
               ),
+              title: Text(
+                app.name,
+                style: const TextStyle(
+                  fontSize: 18,
+                  fontWeight: FontWeight.bold,
+                ),
+              ),
+              subtitle: Padding(
+                padding: const EdgeInsets.only(top: 8),
+                child: Text(
+                  app.description,
+                  style: const TextStyle(fontSize: 14),
+                ),
+              ),
+              onTap: () {
+                Navigator.pushNamed(
+                  context,
+                  '/chat',
+                  arguments: app,
+                );
+              },
             ),
-            onTap: () {
-              Navigator.pushNamed(
-                context,
-                '/chat',
-                arguments: app,
-              );
-            },
-          ),
-        );
-      },
+          );
+        },
+      ),
     );
   }