diff --git a/docs/06 In Practice/2D-Game/04 Levels.md b/docs/06 In Practice/2D-Game/04 Levels.md
new file mode 100644
index 0000000..face05a
--- /dev/null
+++ b/docs/06 In Practice/2D-Game/04 Levels.md
@@ -0,0 +1,7 @@
+# 关卡
+
+**暂无翻译**
+
+这篇教程暂时还没有进行翻译，您可以先阅读[原文](https://learnopengl.com/#!In-Practice/2D-Game/Levels)，或经常来刷新看看是否有更新的进展。当然，我们更欢迎您在[GitHub上](https://github.com/LearnOpenGL-CN/LearnOpenGL-CN)认领翻译这篇文章，帮助我们完善这个教程系列。
+
+
\ No newline at end of file
diff --git a/docs/06 In Practice/2D-Game/05 Collisions/01 Ball.md b/docs/06 In Practice/2D-Game/05 Collisions/01 Ball.md
new file mode 100644
index 0000000..f7efba2
--- /dev/null
+++ b/docs/06 In Practice/2D-Game/05 Collisions/01 Ball.md
@@ -0,0 +1,7 @@
+# 球
+
+**暂无翻译**
+
+这篇教程暂时还没有进行翻译，您可以先阅读[原文](https://learnopengl.com/#!In-Practice/2D-Game/Collisions/Ball)，或经常来刷新看看是否有更新的进展。当然，我们更欢迎您在[GitHub上](https://github.com/LearnOpenGL-CN/LearnOpenGL-CN)认领翻译这篇文章，帮助我们完善这个教程系列。
+
+
\ No newline at end of file
diff --git a/docs/06 In Practice/2D-Game/05 Collisions/02 Collision detection.md b/docs/06 In Practice/2D-Game/05 Collisions/02 Collision detection.md
new file mode 100644
index 0000000..5813e79
--- /dev/null
+++ b/docs/06 In Practice/2D-Game/05 Collisions/02 Collision detection.md
@@ -0,0 +1,7 @@
+# 碰撞检测
+
+**暂无翻译**
+
+这篇教程暂时还没有进行翻译，您可以先阅读[原文](https://learnopengl.com/#!In-Practice/2D-Game/Collisions/Collision-resolution)，或经常来刷新看看是否有更新的进展。当然，我们更欢迎您在[GitHub上](https://github.com/LearnOpenGL-CN/LearnOpenGL-CN)认领翻译这篇文章，帮助我们完善这个教程系列。
+
+
\ No newline at end of file
diff --git a/docs/06 In Practice/2D-Game/05 Collisions/03 Collision resolution.md b/docs/06 In Practice/2D-Game/05 Collisions/03 Collision resolution.md
new file mode 100644
index 0000000..eb51c36
--- /dev/null
+++ b/docs/06 In Practice/2D-Game/05 Collisions/03 Collision resolution.md
@@ -0,0 +1,7 @@
+# 碰撞处理
+
+**暂无翻译**
+
+这篇教程暂时还没有进行翻译，您可以先阅读[原文](https://learnopengl.com/#!In-Practice/2D-Game/Collisions/Collision-resolution)，或经常来刷新看看是否有更新的进展。当然，我们更欢迎您在[GitHub上](https://github.com/LearnOpenGL-CN/LearnOpenGL-CN)认领翻译这篇文章，帮助我们完善这个教程系列。
+
+
\ No newline at end of file
diff --git a/docs/06 In Practice/2D-Game/07 Postprocessing.md b/docs/06 In Practice/2D-Game/07 Postprocessing.md
new file mode 100644
index 0000000..230f4e5
--- /dev/null
+++ b/docs/06 In Practice/2D-Game/07 Postprocessing.md
@@ -0,0 +1,7 @@
+# 后期处理
+
+**暂无翻译**
+
+这篇教程暂时还没有进行翻译，您可以先阅读[原文](https://learnopengl.com/#!In-Practice/2D-Game/Postprocessing)，或经常来刷新看看是否有更新的进展。当然，我们更欢迎您在[GitHub上](https://github.com/LearnOpenGL-CN/LearnOpenGL-CN)认领翻译这篇文章，帮助我们完善这个教程系列。
+
+
\ No newline at end of file
diff --git a/docs/06 In Practice/2D-Game/08 Powerups.md b/docs/06 In Practice/2D-Game/08 Powerups.md
new file mode 100644
index 0000000..347e824
--- /dev/null
+++ b/docs/06 In Practice/2D-Game/08 Powerups.md
@@ -0,0 +1,7 @@
+# 道具
+
+**暂无翻译**
+
+这篇教程暂时还没有进行翻译，您可以先阅读[原文](https://learnopengl.com/#!In-Practice/2D-Game/Powerups)，或经常来刷新看看是否有更新的进展。当然，我们更欢迎您在[GitHub上](https://github.com/LearnOpenGL-CN/LearnOpenGL-CN)认领翻译这篇文章，帮助我们完善这个教程系列。
+
+
\ No newline at end of file
diff --git a/docs/06 In Practice/2D-Game/09 Audio.md b/docs/06 In Practice/2D-Game/09 Audio.md
new file mode 100644
index 0000000..3d5b660
--- /dev/null
+++ b/docs/06 In Practice/2D-Game/09 Audio.md
@@ -0,0 +1,7 @@
+# 音效
+
+**暂无翻译**
+
+这篇教程暂时还没有进行翻译，您可以先阅读[原文](https://learnopengl.com/#!In-Practice/2D-Game/Audio)，或经常来刷新看看是否有更新的进展。当然，我们更欢迎您在[GitHub上](https://github.com/LearnOpenGL-CN/LearnOpenGL-CN)认领翻译这篇文章，帮助我们完善这个教程系列。
+
+
\ No newline at end of file
diff --git a/docs/06 In Practice/2D-Game/10 Render Text.md b/docs/06 In Practice/2D-Game/10 Render Text.md
new file mode 100644
index 0000000..34ac9bc
--- /dev/null
+++ b/docs/06 In Practice/2D-Game/10 Render Text.md
@@ -0,0 +1,7 @@
+# 渲染文字
+
+**暂无翻译**
+
+这篇教程暂时还没有进行翻译，您可以先阅读[原文](https://learnopengl.com/#!In-Practice/2D-Game/Render-text)，或经常来刷新看看是否有更新的进展。当然，我们更欢迎您在[GitHub上](https://github.com/LearnOpenGL-CN/LearnOpenGL-CN)认领翻译这篇文章，帮助我们完善这个教程系列。
+
+
\ No newline at end of file
diff --git a/docs/06 In Practice/2D-Game/11 Final thoughts.md b/docs/06 In Practice/2D-Game/11 Final thoughts.md
new file mode 100644
index 0000000..c8d7ba5
--- /dev/null
+++ b/docs/06 In Practice/2D-Game/11 Final thoughts.md
@@ -0,0 +1,7 @@
+# 结语
+
+**暂无翻译**
+
+这篇教程暂时还没有进行翻译，您可以先阅读[原文](https://learnopengl.com/#!In-Practice/2D-Game/Final-thoughts)，或经常来刷新看看是否有更新的进展。当然，我们更欢迎您在[GitHub上](https://github.com/LearnOpenGL-CN/LearnOpenGL-CN)认领翻译这篇文章，帮助我们完善这个教程系列。
+
+
\ No newline at end of file
diff --git a/docs/07 PBR/01 Theory.md b/docs/07 PBR/01 Theory.md
index 62f395f..b318e61 100644
--- a/docs/07 PBR/01 Theory.md
+++ b/docs/07 PBR/01 Theory.md
@@ -1,7 +1,7 @@
# 理论
-**未完成**
+**暂无翻译**
-这篇教程暂时还没有完成，您可以经常来刷新看看是否有更新的进展。
+这篇教程暂时还没有进行翻译，您可以先阅读[原文](https://learnopengl.com/#!PBR/Theory)，或经常来刷新看看是否有更新的进展。当然，我们更欢迎您在[GitHub上](https://github.com/LearnOpenGL-CN/LearnOpenGL-CN)认领翻译这篇文章，帮助我们完善这个教程系列。
\ No newline at end of file
diff --git a/docs/07 PBR/02 Lighting.md b/docs/07 PBR/02 Lighting.md
index a2b908a..5f4eec8 100644
--- a/docs/07 PBR/02 Lighting.md
+++ b/docs/07 PBR/02 Lighting.md
@@ -1,7 +1,7 @@
# 光照
-**未完成**
+**暂无翻译**
-这篇教程暂时还没有完成，您可以经常来刷新看看是否有更新的进展。
+这篇教程暂时还没有进行翻译，您可以先阅读[原文](https://learnopengl.com/#!PBR/Lighting)，或经常来刷新看看是否有更新的进展。当然，我们更欢迎您在[GitHub上](https://github.com/LearnOpenGL-CN/LearnOpenGL-CN)认领翻译这篇文章，帮助我们完善这个教程系列。
\ No newline at end of file
diff --git a/docs/07 PBR/03 IBL/01 Diffuse irradiance.md b/docs/07 PBR/03 IBL/01 Diffuse irradiance.md
new file mode 100644
index 0000000..dd3c032
--- /dev/null
+++ b/docs/07 PBR/03 IBL/01 Diffuse irradiance.md
@@ -0,0 +1,7 @@
+# 漫反射辐照
+
+**未完成**
+
+这篇教程暂时还没有完成，您可以经常来刷新看看是否有更新的进展。
+
+
\ No newline at end of file
diff --git a/docs/07 PBR/03 IBL.md b/docs/07 PBR/03 IBL/02 Specular IBL.md
similarity index 62%
rename from docs/07 PBR/03 IBL.md
rename to docs/07 PBR/03 IBL/02 Specular IBL.md
index b6c0548..7b10792 100644
--- a/docs/07 PBR/03 IBL.md
+++ b/docs/07 PBR/03 IBL/02 Specular IBL.md
@@ -1,7 +1,7 @@
-# IBL
+# 镜面IBL
**未完成**
这篇教程暂时还没有完成，您可以经常来刷新看看是否有更新的进展。
-
\ No newline at end of file
+
\ No newline at end of file
diff --git a/mkdocs.yml b/mkdocs.yml
index 414eca7..ae53f1a 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -54,6 +54,8 @@ pages:
- 理论: '07 PBR/01 Theory.md'
- 光照: '07 PBR/02 Lighting.md'
- IBL: '07 PBR/03 IBL.md'
+ - 漫反射辐照: '07 PBR/03 IBL/01 Diffuse irradiance.md'
+ - 镜面IBL: '07 PBR/03 IBL/02 Specular IBL.md'
- 实战:
- 调试: '06 In Practice/01 Debugging.md'
- 文本渲染: '06 In Practice/02 Text Rendering.md'
@@ -61,7 +63,17 @@ pages:
- Breakout: '06 In Practice/2D-Game/01 Breakout.md'
- 准备工作: '06 In Practice/2D-Game/02 Setting up.md'
- 渲染精灵: '06 In Practice/2D-Game/03 Rendering Sprites.md'
+ - 关卡: '06 In Practice/2D-Game/04 Levels.md'
+ - 碰撞:
+ - 球: '06 In Practice/2D-Game/05 Collisions/01 Ball.md'
+ - 碰撞检测: '06 In Practice/2D-Game/05 Collisions/02 Collision detection.md'
+ - 碰撞处理: '06 In Practice/2D-Game/05 Collisions/03 Collision resolution.md'
- 粒子: '06 In Practice/2D-Game/06 Particles.md'
+ - 后期处理: '06 In Practice/2D-Game/07 Postprocessing.md'
+ - 道具: '06 In Practice/2D-Game/08 Powerups.md'
+ - 音效: '06 In Practice/2D-Game/09 Audio.md'
+ - 渲染文字: '06 In Practice/2D-Game/10 Render Text.md'
+ - 结语: '06 In Practice/2D-Game/11 Final thoughts.md'
site_name: 'LearnOpenGL CN'