string(248) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=qq%E8%BF%99%E4%B9%88%E5%A4%9A%E6%9C%BA%E5%99%A8%E4%BA%BA%E5%8A%A0%E5%A5%BD%E5%8F%8B => Failed to connect to 14.18.46.51 port 38206: Connection refused"
qq这么多机器人加好友
