string(243) "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%98%AF%E4%BB%80%E4%B9%88%E5%8F%82%E6%95%B0 => Failed to connect to 125.88.227.171 port 38062: Connection refused"
显示器ips是什么参数
