string(248) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8A%A0%E5%BE%AE%E4%BF%A1%E5%90%8E%E7%AC%AC%E4%B8%80%E5%8F%A5%E4%BB%8B%E7%BB%8D%E8%87%AA%E5%B7%B1 => Received HTTP code 403 from proxy after CONNECT"
加微信后第一句介绍自己
