string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8F%91%E6%96%B0%E9%97%BB%E7%9A%84%E5%85%AC%E4%BC%97%E5%8F%B7%E6%80%8E%E4%B9%88%E5%81%9A => Failed to connect to 14.18.117.71 port 38220: Connection refused"
发新闻的公众号怎么做
