string(312) "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%E5%87%BA%E7%8E%B0%E4%BB%80%E4%B9%88%E6%83%85%E5%BD%A2%E5%8F%AF%E4%BB%A5%E7%94%B3%E8%AF%B7%E9%80%80%E5%B8%82 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
上市公司出现什么情形可以申请退市
