feat: update

src/Refund/AliRefund.php

@@ -62,7 +62,7 @@ class AliRefund extends AliBaseStrategy
 
 
                 'fund_change' => $rsqData['fund_change']??0,// 本次退款是否发生了资金变化
                 'fund_change' => $rsqData['fund_change']??0,// 本次退款是否发生了资金变化
                 'refund_fee'    => $rsqData['refund_fee'],// 返回的总金额，这里支付宝会累计
                 'refund_fee'    => $rsqData['refund_fee'],// 返回的总金额，这里支付宝会累计
-                'refund_time'=> $rsqData['gmt_refund'],
+                'refund_time' => $rsqData['gmt_refund'] ?? date('Y-m-d H:i:s', time()),
 
 
                 'channel'   => Config::ALI_REFUND,
                 'channel'   => Config::ALI_REFUND,
             ],
             ],