string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8E%A8%E7%89%B9%E4%B8%8A%E5%85%B3%E6%B3%A8%E7%9A%84%E4%BA%BA%E7%AA%81%E7%84%B6%E6%B6%88%E5%A4%B1%E4%BA%86 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
推特上关注的人突然消失了
