diff --git a/service/modules/v1/controllers/StoreController.php b/service/modules/v1/controllers/StoreController.php
index e5f0ff3..fcda019 100644
--- a/service/modules/v1/controllers/StoreController.php
+++ b/service/modules/v1/controllers/StoreController.php
@@ -131,7 +131,7 @@ class StoreController extends BaseServiceController
             ['store_id','required']
         ]);
         $store_id=$post['store_id'];
-        $search= $post['search'];
+        $search= $post['search']?? '';
 
         $Store=Store::find()->where(['id'=>$store_id])->one();