string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%93%AA%E4%B8%80%E7%A7%8D%E7%81%AB%E5%91%BD%E6%9C%80%E5%A5%BD => Failed to connect to 101.89.143.195 port 38109: Connection refused"
哪一种火命最好
