string(259) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=ips%E7%94%B5%E8%84%91%E6%98%BE%E7%A4%BA%E5%B1%8F%E6%98%AF%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D => Failed to connect to 14.18.117.71 port 38069: Connection refused"
ips电脑显示屏是什么意思
