diff --git a/webapp/controller/ShopController.class.php b/webapp/controller/ShopController.class.php
index 95649d92..ff8a5ad1 100644
--- a/webapp/controller/ShopController.class.php
+++ b/webapp/controller/ShopController.class.php
@@ -237,9 +237,20 @@ class ShopController extends BaseAuthedController
         );
         if ($chk) {
             $lastId = $this->lastInsertId($conn);
+            $order_id = $this->genOrderId($lastId);
+            SqlHelper::update(
+                $conn,
+                't_shop_buy_order',
+                array(
+                    'order_id' => $order_id,
+                ),
+                array(
+                    'idx' => $lastId,
+                )
+            );
             $this->_rspData(
                 array(
-                    'order_id' => $lastId,
+                    'order_id' => $order_id,
                 )
             );
         } else {
@@ -258,7 +269,7 @@ class ShopController extends BaseAuthedController
             't_shop_buy_order',
             array('status', 'id'),
             array(
-                'idx' => $order_id,
+                'order_id' => $order_id,
             )
         );
         if ($row) {