string(268) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=qq%E5%8A%A0%E5%A5%BD%E5%8F%8B%E7%9B%B4%E6%8E%A5%E9%80%9A%E8%BF%87%E5%AF%B9%E6%96%B9%E8%83%BD%E7%9C%8B%E5%88%B0%E5%90%97 => Received HTTP code 403 from proxy after CONNECT"
qq加好友直接通过对方能看到吗
