支付失败mch-id参数格式错误是什么原因
支付失败mch-id参数格式错误是什么原因What is the reason for the wrong format of the mch-id parameter?
支付失败mch-id参数格式错误是什么原因支付失败mch-id参数格式错误是什么原因
Payment failed. What is the reason for the wrong format of MCH ID parameter
回答:
先学会如何提问https://developers.weixin.qq.com/community/develop/article/doc/0004a8c574082063ab3b2703751813
确定一些mch-id是否正确,是否有空格等