https://api.mch.weixin.qq.com/v3/offlineface/transactions接口报错

{"code":"INVALID_REQUEST","message":"参数内容和扣款凭证内容不一致. 参数中mch_id=xxx, 凭证内mch_id=xxxx"},作为服务商，sub_mchid传递与auth_code参数中一致，均为子商户mchId ,错误中提示的参数中mach_id为服务商mchid