https://api.mch.weixin.qq.com/v3/refund/domestic/refunds
json 参数在本地可以格式化
Q�Q�M-.NL�=������/�����}��Es_lk}���źEO{�>�_���+� ,解析json失败:Unexpected character ('�' (code 65533 / 0xfffd)): expected a valid value (JSON String, Number, Array, Object or token 'null', 'true' or 'false')