string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%9B%91%E7%90%86%E5%91%98%E7%9A%84%E5%85%B7%E4%BD%93%E5%B7%A5%E4%BD%9C%E6%98%AF%E4%BB%80%E4%B9%88 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
监理员的具体工作是什么
