diff --git a/webapp/controller/ShopController.class.php b/webapp/controller/ShopController.class.php
index fe38453..20f9876 100644
--- a/webapp/controller/ShopController.class.php
+++ b/webapp/controller/ShopController.class.php
@@ -272,7 +272,7 @@ class ShopController{
         }
         if ($_REQUEST['type'] == 3) {
             $p = $this->getParameter(RAND_SHOP_GOLD);
-            $this->SubCoin($p['param_value'], $account_id);
+            $this->SubCoin($p['param_value'], $account_id, 1);
         }
         unset($user_db['shop_list']);
         $shop_list = $this->randomShop();