string(253) "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%A8%E5%B1%8F%E5%B9%95ips%E5%A5%BD%E8%BF%98%E6%98%AFva%E5%A5%BD => Failed to connect to 101.91.112.32 port 38221: Connection refused"
显示器屏幕ips好还是va好
