微信支付v3接口调用返回报错"未知错误"怎么解决?
访问接口:https://api.mch.weixin.qq.com/hk/v3/transactions/mweb 返回报错信息:{ "code": "SYSTEM_ERROR", "message": "未知错误" } 头部的生成是按照陈刚大佬上传到GitHub上的https://github.com/minibear2021/wechatpayv3代码生成的, 参数按照文档https://pay.weixin.qq.com/wiki/doc/api/wxpay/ch/fusion_wallet_ch/H5Payment/chapter3_3.shtml定义好了 {"notify_url": "https://wxpay.wxutil.com/pub_v2/pay/notify.v2.php", "description": "iPad Mini in white with 16G memory", "out_trade_no": "20109312", "amount": {"total": 9000, "currency": "USD"}, "merchant_category_code": "1011", "trade_type": "MWEB", "payer": {"openid": "oUp***************S6o"}, "scene_info": {"payer_client_ip": "127.0.0.1", "store_info": {"id": "SZTX001", "name": "test-mr", "address": "building 20,North Lane,east flower market,Beijing"}}, "attach": "pay test", "goods_tag": "_2021 First Order", "appid": "wx**********6", "mchid": "14******85"}