diff --git a/free-programming-books-zh.md b/free-programming-books-zh.md
index 23be71769..851c2bd21 100644
--- a/free-programming-books-zh.md
+++ b/free-programming-books-zh.md
@@ -278,6 +278,7 @@
 
 ### 计算机图形学
 
+* [LearnOpenGL CN](https://learnopengl-cn.github.io)
 * [OpenGL 教程](https://github.com/zilongshanren/opengl-tutorials)