string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%BA%E4%BB%80%E4%B9%88%E7%BD%91%E4%B8%8A%E9%82%A3%E4%B9%88%E5%A4%9A%E4%BA%BA%E8%A6%81%E7%82%B9%E8%B5%9E => Failed to connect to 14.116.215.7 port 38230: Connection refused"
为什么网上那么多人要点赞
