string(347) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%AF%B7%E5%B0%B1%E6%9C%89%E5%85%B3%E2%80%9C%E6%96%87%E5%8C%96%E4%BA%A7%E4%B8%9A%E6%94%BF%E7%AD%96%E4%B8%8E%E6%B3%95%E8%A7%84%E2%80%9D%E6%8F%90%E5%87%BA5%E4%B8%AA%E9%97%AE%E9%A2%98 => Failed to connect to 14.18.117.71 port 38093: Connection refused"
请就有关“文化产业政策与法规”提出5个问题
