diff --git a/controllers/DefaultController.php b/controllers/DefaultController.php
index 681e8b9ca4117d26fa9125a3d4d92f9011814a88..dd53748b681edd0ae4c56654387acb4e8ce9aaf0 100644
--- a/controllers/DefaultController.php
+++ b/controllers/DefaultController.php
@@ -68,7 +68,6 @@ class DefaultController extends Controller
 
         $isSave = $object->setSetting($code, $value, $objectId);
 
-        echo Json::encode([(int)$isSave]);
-        Yii::$app->end();
+        return Json::encode([(int)$isSave]);
     }
 }