diff --git a/README.md b/README.md
index d8678b6..0b2e49b 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ learnopengl.com系列教程的中文翻译，目前正在翻译中。
 
 **英文原版**：[learnopengl.com](http://learnopengl.com/)
 
-**当前翻译进度**：49/60
+**当前翻译进度**：52/63
 
 **校对进度**：13/48
 
diff --git a/docs/PBR/IBL.md b/docs/PBR/IBL.md
new file mode 100644
index 0000000..b6c0548
--- /dev/null
+++ b/docs/PBR/IBL.md
@@ -0,0 +1,7 @@
+# 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。
+
+<img src="../../img/development.png" class="clean">
\ No newline at end of file
diff --git a/docs/PBR/Lighting.md b/docs/PBR/Lighting.md
new file mode 100644
index 0000000..a2b908a
--- /dev/null
+++ b/docs/PBR/Lighting.md
@@ -0,0 +1,7 @@
+# 光照
+
+**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。
+
+<img src="../../img/development.png" class="clean">
\ No newline at end of file
diff --git a/docs/PBR/Theory.md b/docs/PBR/Theory.md
new file mode 100644
index 0000000..62f395f
--- /dev/null
+++ b/docs/PBR/Theory.md
@@ -0,0 +1,7 @@
+# 理论
+
+**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。
+
+<img src="../../img/development.png" class="clean">
\ No newline at end of file
diff --git a/mkdocs.yml b/mkdocs.yml
index b5b0e76..1ea41af 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -50,6 +50,10 @@ pages:
       - 泛光: '05 Advanced Lighting/07 Bloom.md'
       - 延迟着色法: '05 Advanced Lighting/08 Deferred Shading.md'
       - SSAO: '05 Advanced Lighting/09 SSAO.md'
+    - PBR:
+      - 理论: 'PBR/Theory.md'
+      - 光照: 'PBR/Lighting.md'
+      - IBL: 'PBR/IBL.md'
     - 实战:
       - 调试: '06 In Practice/01 Debugging.md'
       - 文本渲染: '06 In Practice/02 Text Rendering.md'