string(294) "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%E4%BB%80%E4%B9%88%E6%83%85%E5%86%B5%E4%B8%8B%E4%BC%9A%E7%9B%B4%E6%8E%A5%E9%80%80%E5%B8%82 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
上市公司什么情况下会直接退市
