Fatal error: Uncaught Error: Class 'WxPayNotifyReply' not found in C:\phpstudy_pro\WWW\skin2\weixinPay\lib\WxPay.Notify.php:8 Stack trace: #0 {main} thrown in C:\phpstudy_pro\WWW\skin2\weixinPay\lib\WxPay.Notify.php on line 8