diff --git a/webapp/services/callback/GameItemMallBuyOk.php b/webapp/services/callback/GameItemMallBuyOk.php
index 79956627..63732342 100644
--- a/webapp/services/callback/GameItemMallBuyOk.php
+++ b/webapp/services/callback/GameItemMallBuyOk.php
@@ -13,8 +13,8 @@ class GameItemMallBuyOk {
     public function process()
     {
         $address = getReqVal('address', '');
-        $orderId = getReqVal('
-        ', '');
+        $orderId = getReqVal('order_id', '');
+        
 error_log("GameItemMallBuyOk1:process", $address, $orderId);
 
         $orderDb = SqlHelper::ormSelectOne(