string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BB%80%E4%B9%88%E5%B7%A5%E4%BD%9C%E9%99%90%E5%88%B6%E4%BA%BA%E8%BA%AB%E8%87%AA%E7%94%B1 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
什么工作限制人身自由
