feat(auth): 登录异常改为居中弹窗

lib/l10n/app_localizations_zh.dart

@@ -946,6 +946,15 @@ class AppLocalizationsZh extends AppLocalizations {
   @override
   String get authNetworkError => '网络异常，请稍后重试';
 
+  @override
+  String get authLoginFailed => '登录失败';
+
+  @override
+  String get authRegisterFailed => '注册失败';
+
+  @override
+  String get authErrorConfirm => '知道了';
+
   @override
   String get authSwitchToSignUp => '还没有账号？去注册';