diff --git a/free-programming-books-ch.md b/free-programming-books-ch.md
index f667e8b26..65ab398c4 100644
--- a/free-programming-books-ch.md
+++ b/free-programming-books-ch.md
@@ -98,7 +98,7 @@
 * [Sed](#sed)
 * [Smalltalk](#smalltalk)
 * [Subversion](#subversion)
-* [SQL (implementation agnostic)](#sql-implementation-agnostic)
+* [SQL (implementation agnostic 实现无关)](#sql-implementation-agnostic)
 * [SQL Server](#sql-server)
 * [Teradata](#teradata)
 * [TeX](#tex)
@@ -113,34 +113,34 @@
 * [25本免费的计算机科学电子书](http://www.coderholic.com/25-free-computer-science-books/)
 * [Cheat Sheets (Free)](http://refcardz.dzone.com/)
 * [电子书目录](http://www.e-booksdirectory.com/)
-* [Free Smalltalk Books, collected by Stéphane Ducasse](http://stephane.ducasse.free.fr/FreeBooks.html)
-* [Free Tech Books](http://www.freetechbooks.com/)
-* [Hacker Shelf](http://hackershelf.com/browse/)
-* [Microsoft Press: Free E-Books](http://blogs.msdn.com/b/microsoft_press/archive/2011/03/03/ebooks-list-of-our-free-books.aspx)
+* [Free Smalltalk Books，由Stéphane Ducasse收集](http://stephane.ducasse.free.fr/FreeBooks.html)
+* [www.FreeTechBooks.com](http://www.freetechbooks.com/)
+* [HackerShelf.com](http://hackershelf.com/browse/)
+* [微软出版社：免费电子书](http://blogs.msdn.com/b/microsoft_press/archive/2011/03/03/ebooks-list-of-our-free-books.aspx)
 * [MindView Inc](http://www.mindviewinc.com/Books/)
 * [O'Reilly's Commons](http://commons.oreilly.com/wiki/index.php/O%27Reilly_Commons)
 * [O'Reilly的openbook项目](http://oreilly.com/openbook/)
 * [TechBooksForFree.com](http://www.techbooksforfree.com/)
 * [Theassayer.org](http://theassayer.org/)
-* [Wikibooks: Programming](http://en.wikibooks.org/wiki/Category%3aComputer_programming)
-* [JSBooks - directory of free javascript ebooks](https://github.com/revolunet/JSbooks)
+* [维基书籍：编程](http://en.wikibooks.org/wiki/Category%3aComputer_programming)
+* [JSBooks - 免费的JavaScript电子书目录](https://github.com/revolunet/JSbooks)
 
 
 ###图形学相关
-* [DirectX manual](http://www.xmission.com/~legalize/book/download/index.html) (draft)
-* [Learning Modern 3D Graphics Programming](http://www.arcsynthesis.org/gltut/) (draft)
-* [Introduction to Modern OpenGL](http://open.gl/)
-* [GPU Gems](http://http.developer.nvidia.com/GPUGems/gpugems_part01.html)
-* [GPU Gems 2](http://http.developer.nvidia.com/GPUGems2/gpugems2_part01.html) - [ch 8,14,18,29,30 as pdf](ftp://download.nvidia.com/developer/GPU_Gems_2/)
-* [GPU Gems 3](http://http.developer.nvidia.com/GPUGems3/gpugems3_part01.html)
-* [Graphics Programming Black Book](http://www.gamedev.net/page/resources/_/technical/graphics-programming-and-theory/graphics-programming-black-book-r1698)
-* [OpenGL Insights](http://openglinsights.com) (chapters 22, 23, 28, 33, 39)
-* [ShaderX series](http://tog.acm.org/resources/shaderx/)
-* [Tutorials for modern OpenGL](http://www.opengl-tutorial.org/)
+* [DirectX manual -- DirectX手册](http://www.xmission.com/~legalize/book/download/index.html) (draft)
+* [Learning Modern 3D Graphics Programming -- 学习现代3D图像编程](http://www.arcsynthesis.org/gltut/) (draft)
+* [Introduction to Modern OpenGL -- 现代OpenGL导论](http://open.gl/)
+* [GPU Gems -- GPU宝石](http://http.developer.nvidia.com/GPUGems/gpugems_part01.html)
+* [GPU Gems 2 -- GPU宝石2](http://http.developer.nvidia.com/GPUGems2/gpugems2_part01.html) - [ch 8,14,18,29,30 as pdf](ftp://download.nvidia.com/developer/GPU_Gems_2/)
+* [GPU Gems 3 -- GPU宝石3](http://http.developer.nvidia.com/GPUGems3/gpugems3_part01.html)
+* [Graphics Programming Black Book -- 图形编程黑皮书](http://www.gamedev.net/page/resources/_/technical/graphics-programming-and-theory/graphics-programming-black-book-r1698)
+* [OpenGL Insights -- OpenGL的见解](http://openglinsights.com) (chapters 22, 23, 28, 33, 39)
+* [ShaderX series -- ShaderX系列](http://tog.acm.org/resources/shaderx/)
+* [Tutorials for modern OpenGL -- 现代OpenGL教程](http://www.opengl-tutorial.org/)
 
 
 ###GUI编程
-* [Programming with gtkmm 3](https://developer.gnome.org/gtkmm-tutorial/stable/)
+* [Programming with gtkmm 3 -- gtkmm3编程](https://developer.gnome.org/gtkmm-tutorial/stable/)
 
 
 ###语言无关类