InvolutionHell · mojitote · Oct 15, 2025 · Oct 14, 2025 · Oct 14, 2025 · Oct 14, 2025
diff --git a/LICENSE b/LICENSE
diff --git a/README.en.md b/README.en.md
@@ -19,8 +19,6 @@
   </a>
 </p>
 
-
-
 ## 📋 About
 
 [![zread](https://img.shields.io/badge/Ask_Zread-_.svg?style=flat&color=00b0aa&labelColor=000000&logo=data%3Aimage%2Fsvg%2Bxml%3Bbase64%2CPHN2ZyB3aWR0aD0iMTYiIGhlaWdodD0iMTYiIHZpZXdCb3g9IjAgMCAxNiAxNiIgZmlsbD0ibm9uZSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KPHBhdGggZD0iTTQuOTYxNTYgMS42MDAxSDIuMjQxNTZDMS44ODgxIDEuNjAwMSAxLjYwMTU2IDEuODg2NjQgMS42MDE1NiAyLjI0MDFWNC45NjAxQzEuNjAxNTYgNS4zMTM1NiAxLjg4ODEgNS42MDAxIDIuMjQxNTYgNS42MDAxSDQuOTYxNTZDNS4zMTUwMiA1LjYwMDEgNS42MDE1NiA1LjMxMzU2IDUuNjAxNTYgNC45NjAxVjIuMjQwMUM1LjYwMTU2IDEuODg2NjQgNS4zMTUwMiAxLjYwMDEgNC45NjE1NiAxLjYwMDFaIiBmaWxsPSIjZmZmIi8%2BCjxwYXRoIGQ9Ik00Ljk2MTU2IDEwLjM5OTlIMi4yNDE1NkMxLjg4ODEgMTAuMzk5OSAxLjYwMTU2IDEwLjY4NjQgMS42MDE1NiAxMS4wMzk5VjEzLjc1OTlDMS42MDE1NiAxNC4xMTM0IDEuODg4MSAxNC4zOTk5IDIuMjQxNTYgMTQuMzk5OUg0Ljk2MTU2QzUuMzE1MDIgMTQuMzk5OSA1LjYwMTU2IDE0LjExMzQgNS42MDE1NiAxMy43NTk5VjExLjAzOTlDNS42MDE1NiAxMC42ODY0IDUuMzE1MDIgMTAuMzk5OSA0Ljk2MTU2IDEwLjM5OTlaIiBmaWxsPSIjZmZmIi8%2BCjxwYXRoIGQ9Ik0xMy43NTg0IDEuNjAwMUgxMS4wMzg0QzEwLjY4NSAxLjYwMDEgMTAuMzk4NCAxLjg4NjY0IDEwLjM5ODQgMi4yNDAxVjQuOTYwMUMxMC4zOTg0IDUuMzEzNTYgMTAuNjg1IDUuNjAwMSAxMS4wMzg0IDUuNjAwMUgxMy43NTg0QzE0LjExMTkgNS42MDAxIDE0LjM5ODQgNS4zMTM1NiAxNC4zOTg0IDQuOTYwMVYyLjI0MDFDMTQuMzk4NCAxLjg4NjY0IDE0LjExMTkgMS42MDAxIDEzLjc1ODQgMS42MDAxWiIgZmlsbD0iI2ZmZiIvPgo8cGF0aCBkPSJNNCAxMkwxMiA0TDQgMTJaIiBmaWxsPSIjZmZmIi8%2BCjxwYXRoIGQ9Ik00IDEyTDEyIDQiIHN0cm9rZT0iI2ZmZiIgc3Ryb2tlLXdpZHRoPSIxLjUiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIvPgo8L3N2Zz4K&logoColor=ffffff)](https://zread.ai/InvolutionHell/involutionhell.github.io)
@@ -106,17 +104,18 @@ Thanks to Shanghai AI Lab for providing computing support!
 
 ## 📜 License & Copyright
 
-The project code is released under the [MIT License](LICENSE).
+The project code is released under the [Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)](LICENSE) license.
 
 ### Codebase
 
-The **code** (i.e., the software powering this site) is licensed under MIT: you may use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the software as long as the original copyright notice and permission notice are included. See [LICENSE](LICENSE) for details.
+The **code** (i.e., the software powering this site) is licensed under CC BY-NC-SA 4.0: you may share and adapt it for non-commercial purposes, must provide attribution, and need to distribute derivative works under the same license. See [LICENSE](LICENSE) for details.
 
 ### Shared Content
 
-The copyright of **articles, comments, and other contributed content** remains with the original authors:
+The copyright of **articles, comments, and other contributed content** remains with the original authors and contributors:
 
-1. The content is **not** covered by the MIT License; commercial reuse or derivative works require permission.
-2. We cannot individually verify every submission for originality or legality.
+1. Unless otherwise noted by the original author, contributed content defaults to the same CC BY-NC-SA 4.0 terms above.
+2. Commercial reuse or derivative works still require explicit permission from the author.
+3. We cannot individually verify every submission for originality or legality.
 
 If your rights are infringed, please **[open an issue](https://github.com/InvolutionHell/involutionhell.github.io/issues/new)**. We will review and take appropriate action (removal, blocking, etc.) promptly.
diff --git a/README.md b/README.md
@@ -24,7 +24,6 @@
 
 [![zread](https://img.shields.io/badge/Ask_Zread-_.svg?style=flat&color=00b0aa&labelColor=000000&logo=data%3Aimage%2Fsvg%2Bxml%3Bbase64%2CPHN2ZyB3aWR0aD0iMTYiIGhlaWdodD0iMTYiIHZpZXdCb3g9IjAgMCAxNiAxNiIgZmlsbD0ibm9uZSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KPHBhdGggZD0iTTQuOTYxNTYgMS42MDAxSDIuMjQxNTZDMS44ODgxIDEuNjAwMSAxLjYwMTU2IDEuODg2NjQgMS42MDE1NiAyLjI0MDFWNC45NjAxQzEuNjAxNTYgNS4zMTM1NiAxLjg4ODEgNS42MDAxIDIuMjQxNTYgNS42MDAxSDQuOTYxNTZDNS4zMTUwMiA1LjYwMDEgNS42MDE1NiA1LjMxMzU2IDUuNjAxNTYgNC45NjAxVjIuMjQwMUM1LjYwMTU2IDEuODg2NjQgNS4zMTUwMiAxLjYwMDEgNC45NjE1NiAxLjYwMDFaIiBmaWxsPSIjZmZmIi8%2BCjxwYXRoIGQ9Ik00Ljk2MTU2IDEwLjM5OTlIMi4yNDE1NkMxLjg4ODEgMTAuMzk5OSAxLjYwMTU2IDEwLjY4NjQgMS42MDE1NiAxMS4wMzk5VjEzLjc1OTlDMS42MDE1NiAxNC4xMTM0IDEuODg4MSAxNC4zOTk5IDIuMjQxNTYgMTQuMzk5OUg0Ljk2MTU2QzUuMzE1MDIgMTQuMzk5OSA1LjYwMTU2IDE0LjExMzQgNS42MDE1NiAxMy43NTk5VjExLjAzOTlDNS42MDE1NiAxMC42ODY0IDUuMzE1MDIgMTAuMzk5OSA0Ljk2MTU2IDEwLjM5OTlaIiBmaWxsPSIjZmZmIi8%2BCjxwYXRoIGQ9Ik0xMy43NTg0IDEuNjAwMUgxMS4wMzg0QzEwLjY4NSAxLjYwMDEgMTAuMzk4NCAxLjg4NjY0IDEwLjM5ODQgMi4yNDAxVjQuOTYwMUMxMC4zOTg0IDUuMzEzNTYgMTAuNjg1IDUuNjAwMSAxMS4wMzg0IDUuNjAwMUgxMy43NTg0QzE0LjExMTkgNS42MDAxIDE0LjM5ODQgNS4zMTM1NiAxNC4zOTg0IDQuOTYwMVYyLjI0MDFDMTQuMzk4NCAxLjg4NjY0IDE0LjExMTkgMS42MDAxIDEzLjc1ODQgMS42MDAxWiIgZmlsbD0iI2ZmZiIvPgo8cGF0aCBkPSJNNCAxMkwxMiA0TDQgMTJaIiBmaWxsPSIjZmZmIi8%2BCjxwYXRoIGQ9Ik00IDEyTDEyIDQiIHN0cm9rZT0iI2ZmZiIgc3Ryb2tlLXdpZHRoPSIxLjUiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIvPgo8L3N2Zz4K&logoColor=ffffff)](https://zread.ai/InvolutionHell/involutionhell.github.io)
 
-
 ## 📋 关于
 
 这是一个基于现代 Web 技术的协作文档平台，帮助学生分享和获取学习资料、课程笔记和项目经验。
@@ -126,24 +125,24 @@ pnpm dev
 
 ## 📜 协议与版权
 
-本项目代码遵循 [MIT License](LICENSE) 开源。
+本项目代码遵循 [署名-非商业性使用-相同方式共享 4.0 国际许可协议（CC BY-NC-SA 4.0）](LICENSE)。
 
 ### 关于项目代码
 
-本项目的**代码**部分（指用于构建和运行本网站的程序代码）遵循 MIT 开源协议。
+本项目的**代码**部分（指用于构建和运行本网站的程序代码）依据 CC BY-NC-SA 4.0 协议开放。
 
-这意味着您可以自由地使用、复制、修改、合并、出版、分发、再授权及销售这些代码的副本，但必须在所有副本或主要部分中包含原始的版权声明和许可声明。
+这意味着您可以在**非商业目的**下复制、修改、分发本项目代码，但需保留署名，并以相同协议（CC BY-NC-SA 4.0）共享衍生作品。
 
 详情请见 [LICENSE](LICENSE) 文件。
 
 ### 关于分享内容
 
-本平台所展示/收录的**文章、评论及其他形式的内容**，其版权归原作者所有。
+本平台所展示/收录的**文章、评论及其他形式的内容**，其版权归原作者及贡献者所有。
 
 **请注意**：
 
-1.  内容的版权**不**遵循 MIT 协议，仍由原作者保留。
-2.  除特殊声明或获得原作者授权外，**任何人不得**将这些内容用于商业目的进行转载、修改等二次创作。
+1.  除非原作者另有声明，投稿内容默认适用 CC BY-NC-SA 4.0 协议。
+2.  进行商业用途或衍生创作仍需获得原作者授权。
 3.  本项目作为分享平台，无法对所有内容的原创性、合法性进行一一核实。
 
 ### 版权侵权处理

diff --git a/app/components/Footer.tsx b/app/components/Footer.tsx
@@ -1,5 +1,6 @@
 import { Github, MessageCircle, ExternalLink } from "lucide-react";
 import { BrandMark, BRAND_NAME } from "./BrandMark";
+import { LicenseNotice } from "./LicenseNotice";
 
 export function Footer() {
   return (
@@ -112,9 +113,8 @@ export function Footer() {
 
         {/* Copyright */}
         <div className="border-t border-border mt-12 pt-8 text-center text-muted-foreground">
-          <p>
-            &copy; {new Date().getFullYear()} {BRAND_NAME}. 完全开源，永远免费。
-          </p>
+          <p>完全开源，永远免费</p>
+          <LicenseNotice className="mt-2" />
         </div>
       </div>
     </footer>

diff --git a/app/components/LicenseNotice.tsx b/app/components/LicenseNotice.tsx
@@ -0,0 +1,64 @@
+import { cn } from "@/lib/utils";
+
+interface LicenseNoticeProps {
+  className?: string;
+}
+
+export function LicenseNotice({ className }: LicenseNoticeProps) {
+  return (
+    <p
+      className={cn(
+        "license-notice flex flex-wrap items-center justify-center gap-1 text-xs text-muted-foreground",
+        className,
+      )}
+    >
+      <a href="https://involutionhell.vercel.app">Involution Hell</a>
+      <span>© 2025 by</span>
+      <a href="https://github.com/InvolutionHell">Involution Hell Community</a>
+      <span>is licensed under</span>
+      <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/">
+        CC BY-NC-SA 4.0
+      </a>
+      <img
+        src="https://mirrors.creativecommons.org/presskit/icons/cc.svg"
+        alt=""
+        style={{
+          maxWidth: "1em",
+          maxHeight: "1em",
+          marginLeft: "0.2em",
+        }}
+        loading="lazy"
+      />
+      <img
+        src="https://mirrors.creativecommons.org/presskit/icons/by.svg"
+        alt=""
+        style={{
+          maxWidth: "1em",
+          maxHeight: "1em",
+          marginLeft: "0.2em",
+        }}
+        loading="lazy"
+      />
+      <img
+        src="https://mirrors.creativecommons.org/presskit/icons/nc.svg"
+        alt=""
+        style={{
+          maxWidth: "1em",
+          maxHeight: "1em",
+          marginLeft: "0.2em",
+        }}
+        loading="lazy"
+      />
+      <img
+        src="https://mirrors.creativecommons.org/presskit/icons/sa.svg"
+        alt=""
+        style={{
+          maxWidth: "1em",
+          maxHeight: "1em",
+          marginLeft: "0.2em",
+        }}
+        loading="lazy"
+      />
+    </p>
+  );
+}
diff --git a/app/docs/[...slug]/page.tsx b/app/docs/[...slug]/page.tsx
@@ -12,6 +12,7 @@ import {
 } from "@/lib/contributors";
 import { Contributors } from "@/app/components/Contributors";
 import { DocsAssistant } from "@/app/components/DocsAssistant";
+import { LicenseNotice } from "@/app/components/LicenseNotice";
 import fs from "fs/promises";
 import path from "path";
 
@@ -94,6 +95,7 @@ export default async function DocPage({ params }: Param) {
           <section className="mt-16">
             <GiscusComments docId={docIdFromPage ?? null} />
           </section>
+          <LicenseNotice className="mt-16" />
         </DocsBody>
       </DocsPage>
       <DocsAssistant

diff --git a/app/globals.css b/app/globals.css
@@ -35,6 +35,15 @@
   #nd-sidebar [aria-label="Collapse Sidebar"] {
     margin-top: auto;
   }
+  .license-notice a {
+    color: var(--color-foreground);
+    text-decoration: underline;
+    text-decoration-color: currentColor;
+    text-underline-offset: 0.2em;
+  }
+  .license-notice a:visited {
+    color: var(--color-foreground);
+  }
 }
 
 @utility text-balance {