string(235) "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%E5%80%BC%E4%B8%8D%E7%A8%B3%E5%AE%9A => Failed to connect to 101.89.159.206 port 38100: Connection refused"
玩游戏ping值不稳定
