https://developers.weixin.qq.com/doc/offiaccount/User_Management/Getting_a_User_List.html
需要用新的接口调用。
可看看这个调整,应该也不是通过昵称去判断用户的吧,要么OpenID要么UnionID
https://developers.weixin.qq.com/community/develop/doc/000cacfa20ce88df04cb468bc52801?highLine=%25E7%2599%25BB%25E5%25BD%2595