string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%98%BE%E7%A4%BA%E5%99%A8ips%E6%9C%89%E4%BB%80%E4%B9%88%E7%94%A8 => Failed to connect to 14.18.46.51 port 38206: Connection refused"
显示器ips有什么用
