string(271) "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%E7%AA%81%E7%84%B6%E5%BE%88%E9%AB%98%E7%94%BB%E9%9D%A2%E5%8D%A1%E6%AD%BB => Failed to connect to 101.89.159.206 port 38100: Connection refused"
玩游戏ping突然很高画面卡死
