add

frontend/asset_assistant/lib/pages/home_page.dart

@@ -1,5 +1,4 @@
 import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
 
 class HomePage extends StatelessWidget {
   // 功能列表数据
@@ -32,7 +31,8 @@ class HomePage extends StatelessWidget {
       ),
     );
 
-    if (result == true) {
+    // 检查组件是否仍处于挂载状态
+    if (result == true && context.mounted) {
       // 清除用户登录状态的逻辑
       Navigator.pushReplacementNamed(context, '/login');
     }