https://open.weixin.qq.com/connect/qrconnect?appid=wx4dff5134769ac985&redirect_uri=http%3A%2F%2Fwww%2E8xs%2Ecn%2Fuser%5Flogin%2Easp&response_type=code&scope=snsapi_login&state=9f5702d000af899a314a254a8cee64e8#wechat_redirect