diff --git a/.DS_Store b/.DS_Store
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diff --git a/chapters/open-source-booklet-20220829.md b/chapters/open-source-booklet-20220829.md
index 1b729ec2d781870e539504d643f6786c65ea5f17..76753b43598e5b2f5e333608850048eb3d593920 100644
--- a/chapters/open-source-booklet-20220829.md
+++ b/chapters/open-source-booklet-20220829.md
@@ -1,4 +1,2 @@
-1.md
-KenThompson.md
-open-source-booklet-20220829.md
-open-source-booklet-20220829.pdf
+这是关于 open-source-booklet-20220829.pdf 的说明。 
+文件来自于： https://github.com/oscar-open-source-book/booklet-2022 遵守 CC0 版权协议
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