string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BD%95%E8%A7%86%E9%A2%91%E6%8E%A8%E8%8D%90%E7%94%A8%E5%93%AA%E4%B8%AA%E8%BD%AF%E4%BB%B6 => Failed to connect to 14.18.117.71 port 38133: Connection refused"
录视频推荐用哪个软件
