string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8A%A0%E5%88%AB%E4%BA%BA%E5%A5%BD%E5%8F%8B%E7%AC%AC%E4%B8%80%E5%8F%A5%E8%AF%B4%E5%95%A5 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
加别人好友第一句说啥
