diff --git a/cg/shader.md b/cg/shader.md
index 4fa6acd..2aad6e8 100644
--- a/cg/shader.md
+++ b/cg/shader.md
@@ -11,6 +11,48 @@ shader本身是一个泛概念
 
 一个shader指整个文件中所有的Pass或kernel。Unity ShaderLab把一整个文件所有的Pass的所有代码和render state都打包到一起称为一个Shader。引擎工程中很多都是这样处理的。
 
+### 框架
+这是shader执行的抽象过程
+```javascript
+const viewportList = [];
+const passSequence = {
+  passes: [
+    {
+      subpasses: [],
+    },
+  ],  
+};
+// 渲染主循环
+function doRender() {
+  for (let i = 0; i < viewportList.length; i++) {
+    const sizeOfViewport = get(i);
+    const cameraOfViewport = get(i);
+    cameraOfViewport.update();
+    renderAdpater.setViewport(get(i));
+    renderAdpater.renderSequence(passSequence);
+  }
+}
+// 单渲染
+function renderSequence(passSequence) {
+  const render = this.render;
+  for (const pass of passSequence.passes) {
+    for (const subpass of pass.subpasses) {
+      // 单frame渲染的结果存放的地方
+      // 当前单帧的数据是融合blend还是显屏出来
+      doBeforeRender();
+      const renderTarget = get(pass,subpass);
+      const camera = get(pass, subpass);
+      const scene = get(pass, subpass);
+      render.setRenderTarget(renderTarget);
+      render.render(scene, camera);
+      render.setRenderTarget(null);
+      doAfterRender();
+    }
+  }
+}
+```
+
+
 ## GLSL- Shader
 
 着色器是一种可编程的渲染管线，与其他编程语言一样，先对源码编译Compile再链接Link最后生成Program。Shader是提供给GPU运行的程序，特点就是并行处理相同的逻辑不同的数据。着色器类型有
diff --git a/cpl/lua.md b/cpl/lua.md
index 2611287..35fb12e 100644
--- a/cpl/lua.md
+++ b/cpl/lua.md
@@ -1,6 +1,7 @@
 # [lua](http://www.lua.org/)
 
 ## 参考
+- [Lua Awesome-lua官方链接上的记录](https://github.com/LewisJEllis/awesome-lua)
 - [Quickly view and test GLSL fragment shaders while allowing lua scripting to modify uniforms ](https://github.com/nevilc/ShaderPreview)
 - [luafxbuilder is a proof of concept test to use lua as effect file format primarily for shaders](https://github.com/pixeljetstream/luafxbuilder)
 - [lua-cpp一个用C++11封装lua的库](https://gitee.com/linuxtongyong/lua-cpp-wrapper)
diff --git a/index/computerScience.md b/index/computerScience.md
index 2cb181d..c4e2556 100644
--- a/index/computerScience.md
+++ b/index/computerScience.md
@@ -7,6 +7,7 @@
 - [C](../cpl/c.md)
 - [Cplusplus](../cpl/cplusplus.md)
 - [lua](../cpl/lua.md)
+- [Java](../java/Java.md)
 ### Dev
 
 - [CMD](../dev-note/cmd.md)
@@ -85,6 +86,8 @@
 - [PAG Portable Animated Graphics](https://pag.art/)
 - [3d model file](../cg/modelFile.md)
 - [Effekseer特效编辑器](https://github.com/effekseer/Effekseer)
+- [Mitsuba渲染器](http://www.mitsuba-renderer.org/)
+    - [github](https://github.com/mitsuba-renderer/mitsuba3)
 
 ### paper
 
diff --git a/java/Java.md b/java/Java.md
index 1ea8be7..db472be 100644
--- a/java/Java.md
+++ b/java/Java.md
@@ -149,3 +149,7 @@ public保证接口的向后兼容，内部的实现与size可能会改变， 这
 4. spring
 
 
+
+## 其他模块
+
+- [maven](./maven.md)
\ No newline at end of file
diff --git a/java/maven.md b/java/maven.md
index a9cfa2c..2427052 100644
--- a/java/maven.md
+++ b/java/maven.md
@@ -1,5 +1,8 @@
 # Maven
 
+## 命令
+- mvn test
+
 ## itext7
 
 itext7 的字体涉及到版权问题，基本就是与adobe有关