diff --git a/webapp/controller/MallController.class.php b/webapp/controller/MallController.class.php
index 0384702f..96d7be4f 100644
--- a/webapp/controller/MallController.class.php
+++ b/webapp/controller/MallController.class.php
@@ -10,8 +10,11 @@ require_once('services/LogService.php');
 
 use models\BcOrder;
 use phpcommon\SqlHelper;
+
 use models\Transaction;
+
 use services\LogService;
+use services\BlockChainService;
 
 class MallController extends BaseAuthedController {
 
@@ -265,7 +268,7 @@ class MallController extends BaseAuthedController {
         $this->_rspOk();
     }
 
-    public function buy()
+    public function buyProduct()
     {
         $address = $this->_getAddress();
         if (!$address) {