string(233) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B8%B8%E6%88%8Fping%E5%80%BC%E6%B3%A2%E5%8A%A8%E4%B8%A5%E9%87%8D => Failed to connect to 14.18.117.71 port 38041: Connection refused"
游戏ping值波动严重
