string(253) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%8E%A9%E6%B8%B8%E6%88%8Fping%E4%B8%8D%E9%AB%98%E4%BD%86%E6%98%AF%E5%BE%88%E5%8D%A1 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
玩游戏ping不高但是很卡
