服务商模式下调用小程序支付接口（https://api.mch.weixin.qq.com/v3/pay/partner/transactions/jsapi），报错：appid和mch_id不匹配，请检查后再试
请求参数：{"sp_appid":"wx8fee0ba9a7fc1974","sp_mchid":"1638262312","sub_mchid":"1643238604","description":"商城订单","out_trade_no":"0047852846947741","notify_url":"https://minimember.dawankeji.net/min-member/trade/order/notify","amount":{"total":3400,"currency":"CNY"},"payer":{"sp_openid":"oAxlM5bDm0kwo8BhH4JoNDPOFsMo"}}
服务商appid跟服务商商户号没有关联关系，可以参考下这个指引https://kf.qq.com/faq/200520fueQrI200520aQf6Rr.html