授权链接： https://open.weixin.qq.com/connect/oauth2/authorize?appid=wxc72f01f43da0083b&redirect_uri=https%3A%2F%2Fmpay.meituan.com%2Fresource%2Ficashier%2Fs%2Findex.html%3Fredr_url%3Dhttps%253A%252F%252Fh5.waimai.meituan.com%252Fwaimai%252Fmindex%252Fhome%26tradeno%3D23063011100300390007728787319008%26auth%3Dv2%26nb_app%3Dweixin%26pay_success_url%3Dhttps%253A%252F%252Fh5.waimai.meituan.com%252Fwaimai%252Fmindex%252Forder-detail%253FmtOrderViewId%253D1100612893758250015%26app_id%3Dwxc72f01f43da0083b%26pay_token%3De8caecb41ace76efec84874473bf7ce1%26isEncoded%3D1%26dp_referrer%3Dfalse%26nb_async%3D0&response_type=code&scope=snsapi_base&state=STATE#wechat_redirect 微信网页授权后在重定向的链接上未拼接上code，这边辛苦看看这个授权链接的记录，看看是什么原因。自己测试这个链接在微信内是可以拿到code的，用户那一笔没有code。