diff --git a/frontend/mining-app/lib/presentation/pages/auth/login_page.dart b/frontend/mining-app/lib/presentation/pages/auth/login_page.dart
index 80510412..904da732 100644
--- a/frontend/mining-app/lib/presentation/pages/auth/login_page.dart
+++ b/frontend/mining-app/lib/presentation/pages/auth/login_page.dart
@@ -55,6 +55,7 @@ class _LoginPageState extends ConsumerState<LoginPage> {
                   ? e.message
                   : e.toString().replaceFirst(RegExp(r'^[A-Za-z]+Exception:\s*'), '');
 
+      ScaffoldMessenger.of(context).clearSnackBars();
       if (message.contains('锁定')) {
         // 账户已锁定 → 弹窗 + 找回密码
         showDialog<void>(