string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A6%82%E4%BD%95%E5%9C%A8%E7%99%BE%E5%BA%A6%E5%8F%91%E5%B8%96%E5%AD%90 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
如何在百度发帖子
