string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BC%80%E7%BD%91%E5%90%A7%E6%9C%89%E5%89%8D%E9%80%94%E5%90%97 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
开网吧有前途吗
