diff --git a/other/05_开发软件系统实践的汇报.pptx b/other/05_开发软件系统实践的汇报.pptx new file mode 100644 index 00000000..f6967fb4 Binary files /dev/null and b/other/05_开发软件系统实践的汇报.pptx differ diff --git a/other/09_系统演示视频.mp4 b/other/09_系统演示视频.mp4 new file mode 100644 index 00000000..a81ada14 Binary files /dev/null and b/other/09_系统演示视频.mp4 differ