diff --git a/courseware/README.md b/courseware/README.md
index 2b556a2..4d41617 100644
--- a/courseware/README.md
+++ b/courseware/README.md
@@ -3,8 +3,12 @@
 ## 实践课程的课件: requirements
 
 1, Version control with git: How to use git?
+ppt + video
 
 2, Practice in Github: how to use github?: Open a repo, fork a repo, start discussion/issue, submit pr
+ppt + video
+
+学生实践操作：在课程organization里创建一个repository，并创建一个md文件，随意写下自己对开源的理解（例如，描述自己可能有兴趣贡献的开源项目或任务的特征）。
 
 3, Select a project/task to contribute: understand what good first issue (GFI) is at GitHub, skim over the repos that have GFI, locate GFIs to understand what skills they require (with examples).