Apiv2的公众号纯签约接口

请求url: https://api.mch.weixin.qq.com/papay/entrustweb?&appid=wxa844611e8db61624&contract_code=CON1085879140604841984&outerid=测试1678935360591&contract_display_account=测试1678935360591&mch_id=1618853344&notify_url=https%3A%2F%2Ftestpay.shenlintech.com%2Fwechat%2Fcontract%2Fnotify%2FCON1085879140604841984&plan_id=167242&request_serial=1114&timestamp=1678935361&version=1.0&sign=526BE3B7BD34222401AFBA51A5F37AF84955080FA2656DCDD30EFCB621CA47F6&return_web=1

拉起之后提示商家服务异常，请联系商家处理

拉起页面的refer已配置，和h5纯签约拉起页面的refer一致，h5纯签约能拉起，公众号拉起报错