string(233) "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%B1%8Fva%E5%92%8Cips%E5%93%AA%E4%B8%AA%E5%A5%BD => Failed to connect to 14.18.46.51 port 38044: Connection refused"
显示屏va和ips哪个好
