string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%96%B0%E9%97%BB%E5%8F%91%E5%B8%83%E7%9A%84%E5%B9%B3%E5%8F%B0%E5%8F%AF%E4%BB%A5%E6%9C%89%E5%93%AA%E4%BA%9B => Failed to connect to 14.18.117.71 port 38041: Connection refused"
新闻发布的平台可以有哪些
