string(249) "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%E5%AF%B9%E6%96%B9%E7%9F%A5%E9%81%93%E5%90%97 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
qq添加好友对方知道吗
