https://api.mch.weixin.qq.com/v3/facemch/users/bbaf113f-4171-4332-9c79-dace6d35a917 微信公众号appid：wx8bee91911de49258 openId：oDAMCs9PtRsqtCRuB5rmAvqV1zI8 刷脸获取到的 token：bbaf113f-4171-4332-9c79-dace6d35a9

{"code":"INVALID_REQUEST","message":"UnionID为空"}