@@ -117,6 +117,7 @@ class Lakala
'out_order_no' => $orderSn,
'total_amount' => bcmul($amount, 100),
'order_info' => $subject,
+ 'support_refund' => 1,
'notify_url' => $notifyUrl,
'order_efficient_time' => $orderEfficientTime,
'busi_type_param' => $bus,
