diff --git a/cg/Color.md b/cg/Color.md
index c1be971..b7c28a7 100644
--- a/cg/Color.md
+++ b/cg/Color.md
@@ -1,6 +1,8 @@
 # [Color](https://www.color.org/index.xalter)
 > ICC International Color Consortium
 
+- [The Importance of Being Linear](https://developer.nvidia.com/gpugems/gpugems3/part-iv-image-effects/chapter-24-importance-being-linear)
+
 色彩主观就是光线给人眼的感觉，客观地说就是人眼对可见光0.43um到0.78um的波长，不同的波长对人眼产生不同的神经信号，传递大脑的感知就是色彩，非可见光人眼是无法感知的。
 
 如果一束光，它的光子都是同一波长的，就是单色光；不同波长的光合在一起就是混合光；
diff --git a/cg/threejs/index.md b/cg/threejs/index.md
index c5fd330..18b4da8 100644
--- a/cg/threejs/index.md
+++ b/cg/threejs/index.md
@@ -6,6 +6,7 @@
 - [Loader细节](/cg/threejs/loader.md)
 - [Grid实现](/cg/threejs/grid.md)
 - [shader](/cg/threejs/shader.md)
+- [material材质](/cg/threejs/material.md)
 
 ## 参考
 
diff --git a/cg/threejs/material.md b/cg/threejs/material.md
new file mode 100644
index 0000000..f13165f
--- /dev/null
+++ b/cg/threejs/material.md
@@ -0,0 +1,16 @@
+# [Shader](https://threejs.org/docs/index.html?q=material)
+
+- [[SOLVED] Why does object get dimmer/darker when light gets closer to it?](https://discourse.threejs.org/t/solved-why-does-object-get-dimmer-darker-when-light-gets-closer-to-it/3475)
+
+## linear workflow
+
+在r152中引入这个概念，
+
+- [The Importance of Being Linear](https://developer.nvidia.com/gpugems/gpugems3/part-iv-image-effects/chapter-24-importance-being-linear)
+- [Updates to Color Management in three.js r152](https://discourse.threejs.org/t/updates-to-color-management-in-three-js-r152/50791)
+- [Updates to lighting in three.js r155](https://discourse.threejs.org/t/updates-to-lighting-in-three-js-r155/53733)
+- [Shadow and color problems going from v64 to v161](https://discourse.threejs.org/t/shadow-and-color-problems-going-from-v64-to-v161/61640)
+
+
+```js
+```
diff --git a/cpl/js/lmj.js b/cpl/js/lmj.js
index 40eb0e7..0b4388d 100644
--- a/cpl/js/lmj.js
+++ b/cpl/js/lmj.js
@@ -1,3 +1,27 @@
+const q2in2024 = {
+    p: [
+        0.15,
+        0.15,
+        0.35,
+        0.05,
+        0.10,
+        0.10,
+        0.05,
+        0.03,
+        0.02,
+    ],
+    r: [
+        70, 
+        70,
+        90, // 暂停
+        90, // 暂停
+        95,
+        90,
+        100,
+        100,
+        100,
+    ],
+}
 const q1in2024 = {
     p: [
         0.20,
@@ -48,7 +72,7 @@ const q4in2023 = {
         100,    
     ],
 }
-const arrayList = [q1in2024, q4in2023];
+const arrayList = [q2in2024, q1in2024, q4in2023];
 function toScroe(data) {
     console.log('one-quater-year')
     return data.p.reduce((pv,cv,i)=>{
diff --git a/dev-note/powershell.md b/dev-note/powershell.md
index 69b7c6f..485d0bd 100644
--- a/dev-note/powershell.md
+++ b/dev-note/powershell.md
@@ -33,5 +33,5 @@ xcopy /s /e /h /i /y .\third\snippet\ .\third2\snippet\
 
 window上可以直接sshLinux下，在家里的局域网测试成功
 ```shell
-ssh name@ip
+ssh name@ip // 登录后会让你输入密码
 ```
\ No newline at end of file
diff --git a/exercises/index.md b/exercises/index.md
index fdc20cf..53d19cc 100644
--- a/exercises/index.md
+++ b/exercises/index.md
@@ -22,6 +22,9 @@
 
 ## 工具
 
+- [Wolfram MathWorld](https://mathworld.wolfram.com/)
+- [提供各种数学问题的交互式解法和动画](https://www.cut-the-knot.org/)
+
 <details>
 <summary>Geogebra开源在线工具</summary>
 
diff --git a/exercises/math.secondary.md b/exercises/math.secondary.md
index b966aeb..9a25fb0 100644
--- a/exercises/math.secondary.md
+++ b/exercises/math.secondary.md
@@ -23,6 +23,14 @@
 16 世纪的时候，当时数学家发现一维数轴并不是完整的图景。他们需要“发明”这个神秘的数字，称之为虚数单位，即i² = -1，以便计算三次多项式方程的解。
 </p>
 
+$$
+\text{一般来说，可以通过乘以复数}e^{(\theta i)}\text{来获得任意角度} \theta \text{的旋转,其中}e\text{是自然对数的底数，}\theta\text{是以弧度表示的旋转角度。现在可以使用这个语言来解释欧拉恒等式}
+$$
+
+$e^{\pi i} + 1 = 0 \to e^{\pi i} = -1$
+
+它表示的是将平面上的某个点逆时针旋转180度的几何变换与通过(0,0)反射该点相同而已。
+
 </details>
 
 ## 几何
diff --git a/index/computerScience.md b/index/computerScience.md
index 62a0ef0..28863eb 100644
--- a/index/computerScience.md
+++ b/index/computerScience.md
@@ -1,4 +1,4 @@
-# Computer Science
+# 计算机科学
 
 ## Programing Language
 
@@ -117,6 +117,6 @@
 ## 其他
 
 - [计算机专业学习路线](https://hackway.org/docs/cs/intro)
-- [安全之攻击](/articles/time.attacks.md)
+- [安全](/articles/safe/index.md)
 - [The original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes ](https://github.com/microsoft/MS-DOS)
 
diff --git a/index/online.md b/index/online.md
index 6aa3061..5f20cfb 100644
--- a/index/online.md
+++ b/index/online.md
@@ -41,6 +41,7 @@
 ## 工具
 
 - [Javascript Playground--邮箱meijie.lmj@outlook.com](https://playcode.io/)
+- [用 HTML 的方式展示乐谱Scribe renders music notation in HTML.](https://github.com/stephband/scribe)
 
 ### 流程图
 
diff --git a/index/safety.md b/index/safety.md
index 4aa8790..0ba738c 100644
--- a/index/safety.md
+++ b/index/safety.md
@@ -1,9 +1,6 @@
 # 安全
 
-## 编程
-
-- [溢出分析](/articles/safe/overflow.md)
-- [计时攻击](/articles/safe/time.attacks.md)
+- [相关技术](/articles/safe/index.md)
 
 ## 逆向工程
 
@@ -24,3 +21,9 @@
 
 - [什么是 CVE（常见漏洞和暴露）？](https://informationsecurityasia.com/zh-CN/what-is-cve/)
 - [什么是CVE？](https://info.support.huawei.com/info-finder/encyclopedia/zh/CVE.html)
+
+### [ZKP-Zero-Knowledge Proof]()
+
+零知识证明是一种密码学协议，它允许一个参与者（证明者）向另一个参与者（验证者）证明某个陈述是正确的，而无需提供除了该陈述的真实性之外的任何信息。
+
+- [零知识证明入门教程。Comprehensive Zero-Knowledge Proofs Tutorial](https://github.com/WTFAcademy/WTF-zk)