string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%80%A0%E4%BB%B7%E5%B8%88%E5%AD%99%E7%90%A6%E6%8A%BC%E9%A2%98 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
造价师孙琦押题
