diff --git a/architecture/technical.md b/architecture/technical.md
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+# 技术方案
+
+## 技术选型
+
+### 前端
+- Electron 28+
+- React 18
+- TypeScript 5
+- Zustand (状态管理)
+- Ant Design 5
+- electron-builder (打包)
+
+### 后端
+- Node.js 20+
+- Express 4
+- SQLite3 (本地) / MySQL (云端)
+- JWT (认证)
+- Multer (文件上传)
+
+## 目录结构
+
+```
+clouddisk-project/
+├── frontend/           # Electron 前端
+│   ├── src/
+│   │   ├── main/     # 主进程
+│   │   ├── renderer/ # 渲染进程
+│   │   ├── components/
+│   │   ├── pages/
+│   │   └── stores/
+│   └── package.json
+│
+├── backend/           # Node.js 后端
+│   ├── src/
+│   │   ├── controllers/
+│   │   ├── models/
+│   │   ├── routes/
+│   │   ├── middleware/
+│   │   └── utils/
+│   └── package.json
+│
+└── tests/            # 测试代码
+    ├── frontend/
+    ├── backend/
+    └── e2e/
+```
+
+## 安全方案
+1. HTTPS 传输加密
+2. JWT Token 认证
+3. 文件哈希校验
+4. 分享链接过期机制
diff --git a/backend/README.md b/backend/README.md
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+# CloudDisk Backend
+
+## 开发指南
+
+### 安装
+```bash
+npm install
+```
+
+### 启动
+```bash
+npm start
+```
+
+### API 端点
+- POST /api/auth/login
+- POST /api/auth/register
+- GET /api/files
+- POST /api/files/upload
+- DELETE /api/files/:id
diff --git a/backend/package.json b/backend/package.json
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+++ b/backend/package.json
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+{
+  "name": "clouddisk-backend",
+  "version": "1.0.0",
+  "description": "CloudDisk Node.js Backend",
+  "main": "src/index.js",
+  "scripts": {
+    "start": "node src/index.js",
+    "dev": "nodemon src/index.js",
+    "test": "jest"
+  },
+  "dependencies": {
+    "express": "^4.18.0",
+    "sqlite3": "^5.1.0",
+    "jsonwebtoken": "^9.0.0",
+    "multer": "^1.4.5",
+    "bcrypt": "^5.1.0",
+    "cors": "^2.8.5"
+  },
+  "devDependencies": {
+    "nodemon": "^3.0.0",
+    "jest": "^29.7.0"
+  }
+}
diff --git a/frontend/README.md b/frontend/README.md
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+++ b/frontend/README.md
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+# CloudDisk Frontend
+
+## 开发指南
+
+### 安装
+```bash
+npm install
+```
+
+### 开发模式
+```bash
+npm run dev
+```
+
+### 构建
+```bash
+npm run build
+```
diff --git a/frontend/package.json b/frontend/package.json
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+++ b/frontend/package.json
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+{
+  "name": "clouddisk-frontend",
+  "version": "1.0.0",
+  "description": "CloudDisk Electron Frontend",
+  "main": "dist/main/index.js",
+  "scripts": {
+    "dev": "electron .",
+    "build": "electron-builder",
+    "test": "jest"
+  },
+  "dependencies": {
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0",
+    "zustand": "^4.4.0",
+    "antd": "^5.12.0"
+  },
+  "devDependencies": {
+    "electron": "^28.0.0",
+    "electron-builder": "^24.9.0",
+    "typescript": "^5.3.0"
+  }
+}
diff --git a/tests/README.md b/tests/README.md
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+++ b/tests/README.md
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+# CloudDisk 测试计划
+
+## 测试策略
+
+### 1. 单元测试
+- 前端: Jest + React Testing Library
+- 后端: Jest
+
+### 2. 集成测试
+- API 测试: Supertest
+
+### 3. E2E 测试
+- Playwright
+
+## 测试用例
+
+### 登录模块
+- [ ] 正确账号密码登录成功
+- [ ] 错误密码登录失败
+- [ ] 空账号登录提示错误
+
+### 文件管理
+- [ ] 文件上传成功
+- [ ] 文件下载成功
+- [ ] 文件删除成功
+- [ ] 文件夹创建成功
+
+### 分享功能
+- [ ] 生成分享链接
+- [ ] 通过分享链接访问
+- [ ] 密码保护分享
+
+## 运行测试
+```bash
+npm test
+```
diff --git a/ui-design/designs/colors.md b/ui-design/designs/colors.md
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+# 设计规范 - 色彩系统
+
+## 主色调
+- 主色: #1890FF (蓝色)
+- 主色悬停: #40A9FF
+- 主色按下: #096DD9
+
+## 中性色
+- 背景色: #FFFFFF
+- 背景色(深): #F5F5F5
+- 边框色: #D9D9D9
+- 文字主色: #262626
+- 文字次色: #8C8C8C
+
+## 功能色
+- 成功: #52C41A
+- 警告: #FAAD14
+- 错误: #FF4D4F
+- 信息: #1890FF
diff --git a/ui-design/mockups/login-page.md b/ui-design/mockups/login-page.md
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+# 登录页 - 低保真原型
+
+## 页面布局
+```
+┌─────────────────────────────────┐
+│                                 │
+│      [Logo] CloudDisk           │
+│                                 │
+│      用户名: [____________]      │
+│      密码:   [____________]      │
+│                                 │
+│      [ ] 记住密码               │
+│                                 │
+│      [ 登录 ]  [ 注册 ]         │
+│                                 │
+│      登录即表示同意服务条款       │
+└─────────────────────────────────┘
+```
+
+## 交互说明
+- 输入框获得焦点时，显示蓝色边框
+- 登录按钮点击后，显示加载状态
+- 错误信息显示在表单底部，红色文字
+- 60秒无操作返回登录页