用户使用了完整的

unionid 用户统一标识（针对一个微信开放平台账号下的应用，同一用户的 unionid 是唯一的），只有当scope为"snsapi_userinfo"时返回https://api.weixin.qq.com/sns/oauth2/access_token

目前返回了{"access_token":"92_425FAn85jAfN-4BVThoeQk4TVxWoDp3ktPa66FUtRxXKvyIA0jVJrH0Zb8KjQhykdgFppBk3boouSCRspBSuMvAA135clZziQ8_BhKKEnFI","expires_in":7200,"refresh_token":"92_xxyAL93M53o29KDCzSyqv4v1j2yEuR07fp1Z3c7TAqve4Am4KWceN-eTeRk6zCSDE3oFE89uHOx8iRcRPAcxxGv1CnlLZvPUzVwavtkxvxI","openid":"oxqCJ1lkNnmDfB6vtmjjq8IDEDUU","scope":"snsapi_userinfo"}没有返回unionid