爱发电的账号不能正常登陆了

点爱发电的网页登录就弹出那个JSON文件的下载,JSON里的内容是{
"code": 2,
"msg": "Post "https://afdian.net/api/oauth2/access_token": dial tcp: lookup afdian.net on 223.5.5.5:53: no such host",
"content": {}
}