string(280) "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%E9%AB%98%E6%98%AF%E4%BB%80%E4%B9%88%E5%8E%9F%E5%9B%A0%E5%AF%BC%E8%87%B4%E7%9A%84 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
游戏ping值高是什么原因导致的
