https://open.weixin.qq.com/connect/oauth2/authorize?appid=wx2d278dd8842f1b05&redirect_uri=https://shouyin.yeepay.com/nc-cashier-wap/sccanpay/auth2Callback/wechat&response_type=code&scope=snsapi_base&state=ORDER_CODE-a3438216-43a8-4266-9b0a-4a0c96905aa6#wechat_redirect

微信回调了两次code码 第一次回调code获取了openid是成功的 但第二次回调code获取openid报错 code已经被使用过