edit

app/user/lib/Ticket.php

@@ -61,6 +61,7 @@ class Ticket
             'cash' => $order_data['cash'],
             'product_id' => $info['id'],
             'order_id' => $order_data['order_id'],
+            'refer' => 'test',
         );
 
         $receipt = Dever::input('receipt');