string(275) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8A%A0qq%E5%A5%BD%E5%8F%8B%E6%80%8E%E4%B9%88%E8%AF%B4%E6%88%90%E5%8A%9F%E7%8E%87%E9%AB%98%E4%B8%80%E7%82%B9 => Failed to connect to 14.18.46.51 port 38206: Connection refused"
加qq好友怎么说成功率高一点
