diff --git a/webapp/controller/ShopController.class.php b/webapp/controller/ShopController.class.php
index 4d67c510..36795491 100644
--- a/webapp/controller/ShopController.class.php
+++ b/webapp/controller/ShopController.class.php
@@ -1012,7 +1012,9 @@ class ShopController extends BaseAuthedController
                     $response['item_id'] = $item_id;
                     $response['item_num'] = $item_count;
                     $this->_rspData(
-                        $response
+                        array( 
+                            "block_chain" => $response
+                        )
                     );
                 }
                 break;