string(283) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%96%87%E5%8C%96%E4%BA%A7%E4%B8%9A%E6%94%BF%E7%AD%96%E7%9A%84%E4%B8%89%E4%B8%AA%E9%87%8D%E8%A6%81%E9%97%AE%E9%A2%98 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
文化产业政策的三个重要问题
