这家伙有点懒，还没写个性签名！
看请求返回结果的状态码，不存在就是 404
返回的不是404啊
Request URL: http://www.kuajingy.com/default/avatar?userId=66381 Request Method: GET Status Code: 302 Moved Temporarily Remote Address: 127.0.0.1:80 Referrer Policy: no-referrer-when-downgrade
