string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%83%B3%E7%BB%99%E5%85%AC%E4%BC%97%E5%8F%B7%E6%8A%95%E7%A8%BF%E6%80%8E%E4%B9%88%E5%8F%91 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
想给公众号投稿怎么发
