string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%82%A1%E7%A5%A8%E6%98%AF%E4%B8%8D%E6%98%AF%E5%BC%80%E7%9B%98%E6%89%8D%E8%83%BD%E5%8D%96 => Failed to connect to 14.116.215.7 port 38230: Connection refused"
股票是不是开盘才能卖
