string(303) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%8A%E5%B8%82%E5%85%AC%E5%8F%B8%E8%A6%81%E6%BB%A1%E8%B6%B3%E4%BB%80%E4%B9%88%E6%9D%A1%E4%BB%B6%E6%89%8D%E8%83%BD%E4%B8%8A%E5%B8%82 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
上市公司要满足什么条件才能上市
