订单表冗余groupon_id，方便搜索拼团中的订单

addons/shopro/controller/order/Order.php

@@ -30,7 +30,7 @@ class Order extends Common
                 $orders = $orders->unpaid();
                 break;
             case 'groupon_ing':
-                $orders = $orders->pretendPaid()->nosend();
+                $orders = $orders->pretendPaid()->nosend()->groupon_ing();
                 break;
             case 'nosend':
                 $orders = $orders->pretendPaid()->nosend();