string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%94%A8%E5%93%AA%E4%B8%AA%E8%BD%AF%E4%BB%B6%E5%BD%95%E5%88%B6%E8%A7%86%E9%A2%91%E5%A5%BD => Failed to connect to 61.171.74.35 port 38027: Connection refused"
用哪个软件录制视频好
