1.https://learntv.scnu.edu.cn/Panopto/Pages/Viewer.aspx?id=2d692d36-9648-49f4-814b-aba300809cdb&start=undefined

2.https://learntv.scnu.edu.cn/Panopto/Pages/Viewer.aspx?id=db3d4f6f-ac52-4be6-93b9-aba30081ede0

3.https://learntv.scnu.edu.cn/Panopto/Pages/Viewer.aspx?id=16f0d6d3-9cdd-48cb-ae9b-aba3005fc9cc

4.https://ke.qq.com/webcourse/index.html?cid=1098233&term_id=101194260&lite=1&from=800021724#taid=21071678&vid=5285890801362402798