diff --git a/webapp/controller/ShopController.class.php b/webapp/controller/ShopController.class.php
index 131a5bc4..476003a1 100644
--- a/webapp/controller/ShopController.class.php
+++ b/webapp/controller/ShopController.class.php
@@ -26,7 +26,7 @@ require_once('services/BlockChainService.php');
 
 require_once('phpcommon/bignumber.php');
 
-use phpcommon;
+// use phpcommon;
 use phpcommon\HttpClient;
 use phpcommon\SqlHelper;
 use models\User;