string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8E%9F%E5%A7%8B%E8%82%A1%E7%A5%A8%E4%B8%8A%E5%B8%82%E4%BA%86%E5%A4%9A%E4%B9%85%E8%83%BD%E5%85%91%E7%8E%B0 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
原始股票上市了多久能兑现
