string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B7%BB%E5%8A%A0%E5%A5%BD%E5%8F%8B%E7%9A%84%E7%AC%AC%E4%B8%80%E6%9D%A1%E4%BF%A1%E6%81%AF => Failed to connect to 101.89.117.144 port 38208: Connection refused"
添加好友的第一条信息
