string(276) "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%E8%A6%81%E5%BC%80%E5%B8%82%E6%89%8D%E5%8F%AF%E4%B9%B0%E5%85%A5 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
股票是不是要开市才可买入
