string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%89%AA%E8%BE%91%E8%A7%86%E9%A2%91%E6%89%80%E7%94%A8%E7%9A%84%E8%BD%AF%E4%BB%B6 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
剪辑视频所用的软件
