string(300) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%85%AC%E5%8F%B8%E5%8E%9F%E5%A7%8B%E8%82%A1%E7%A5%A8%E4%B8%8A%E5%B8%82%E5%90%8E%E5%A4%9A%E9%95%BF%E6%97%B6%E9%97%B4%E5%8F%AF%E5%8D%96 => Failed to connect to 14.18.46.51 port 38206: Connection refused"
公司原始股票上市后多长时间可卖
