string(250) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=qq%E6%B7%BB%E5%8A%A0%E5%A5%BD%E5%8F%8B%E8%AF%B4%E4%BB%80%E4%B9%88%E5%AE%B9%E6%98%93%E9%80%9A%E8%BF%87 => Received HTTP code 403 from proxy after CONNECT"
qq添加好友说什么容易通过
