string(267) "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%E6%9C%89%E5%95%A5%E6%9D%A1%E4%BB%B6%E5%92%8C%E8%A6%81%E6%B1%82 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
上市公司有啥条件和要求
