diff --git a/README.md b/README.md
index 13d2d23..d0f8afa 100644
--- a/README.md
+++ b/README.md
@@ -423,7 +423,8 @@
 
 * [Lua编程入门](https://github.com/andycai/luaprimer)
 * [Lua 5.1 参考手册 中文翻译](http://www.codingnow.com/2000/download/lua_manual.html)
-* [Lua 5.3 参考手册 中文翻译](http://cloudwu.github.io/lua53doc/)
+* [Lua 5.3 参考手册 中文翻译](http://cloudwu.github.io/lua53doc/)
+* [Lua源码欣赏](http://www.codingnow.com/temp/readinglua.pdf)
 
 ### Perl