scope = snsapi_userinfo 用户未关注公众号，通过点击别人分享的链接进入，在快照页授权后微信回调没有返回code，导致鉴权失败。 使用链接：https://h5.techtcmbrain.com/crm/#/drug-payment?topOrgId=287791&medicalCaseId=1086380 微信回调：https://h5.techtcmbrain.com/crm/api/atmp/merchant/login/social/wx_open_tp?appId=wxcc553a94dfac4c08&targetUrl=https%3A%2F%2Fh5.techtcmbrain.com%2Fcrm%2F%23%2Fdrug-payment%3FtopOrgId%3D287791%26medicalCaseId%3D1086380