string(293) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=p%E5%9B%BE%E6%9C%89%E4%BB%80%E4%B9%88%E5%A5%BD%E8%BD%AF%E4%BB%B6%E6%8E%A8%E8%8D%90%E4%B8%80%E4%B8%8B%E5%85%8D%E8%B4%B9%E7%9A%84 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
p图有什么好软件推荐一下免费的
