string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%AE%A1%E7%90%86%E6%80%9D%E8%B7%AF%E6%80%8E%E4%B9%88%E8%AF%B4 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
管理思路怎么说
