string(244) "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%E9%AB%98%E6%98%AF%E7%BD%91%E4%B8%8D%E5%A5%BD%E5%90%97 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
游戏ping高是网不好吗
