update

app/lib/main.dart

@@ -104,7 +104,7 @@ class MyApp extends StatelessWidget {
         usePenetrate: false,
       )
       ..loading = SmartConfigLoading(
-        backDismiss: true,
+        // backDismiss: true,
         clickMaskDismiss: true,
       )
       ..toast = SmartConfigToast(