返回值

android/app/src/main/java/com/example/smartledz_wifi_test/MainActivity.java

@@ -101,7 +101,7 @@ public class MainActivity extends FlutterActivity {
         } catch (JSONException e) {
             throw new RuntimeException(e);
         }
-        EventChannelPlugin.getInstance().sendEventData(response);
+        EventChannelPlugin.getInstance().sendEventData(response.toString());
     }
 
     private void checkAndRequestPermissions() {