string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%88%9B%E4%B8%9A%E6%9D%BF%E6%89%93%E6%96%B0%E6%8A%80%E5%B7%A7 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
创业板打新技巧
