string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%99%BE%E5%BA%A6%E4%BA%91%E4%B8%8A%E5%B8%82%E4%BA%86%E5%90%97 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
百度云上市了吗
