YS

app/store/model/OrderRefund.php

@@ -261,6 +261,7 @@ class OrderRefund extends OrderRefundModel
     {
         // 订单详情
         $order = Order::detail($this['order_id']);
+        $data['refund_money'] = empty($data['refund_money'])?0:$data['refund_money'];
         if ($data['refund_money'] > min($order['pay_price'], $this['orderGoods']['total_pay_price'])) {
             $this->error = '退款金额不能大于商品实付款金额';
             return false;