docs: Update contributing guide, enhance README security advice

CONTRIBUTING.md

@@ -16,7 +16,6 @@
   - [依赖准备](#依赖准备)
   - [后端 (FastAPI)](#后端-fastapi)
   - [前端 (React + Vite)](#前端-react--vite)
-  - [使用 Docker Compose (推荐)](#使用-docker-compose-推荐)
 - [代码贡献指南](#代码贡献指南)
   - [贡献存储适配器 (Adapter)](#贡献存储适配器-adapter)
   - [贡献前端应用 (App)](#贡献前端应用-app)

README.md

@@ -38,12 +38,16 @@ mkdir -p data/mount
 chmod 777 data/db data/mount
 ```
 
-2. **下载 Docker Compose 文件**:
+2. **下载 Docker Compose 文件**：
 
   ```bash
   curl -L -O https://github.com/DrizzleTime/Foxel/raw/main/compose.yaml
   ```
 
+  下载完成后，**强烈建议**修改 `compose.yaml` 文件中的环境变量以确保安全：
+
+- 修改 `SECRET_KEY` 和 `TEMP_LINK_SECRET_KEY`：将默认的密钥替换为随机生成的强密钥
+
 3. **启动服务**:
 
   ```bash

web/src/pages/SystemSettingsPage/BackupPage.tsx

@@ -4,7 +4,7 @@ import PageCard from '../../components/PageCard';
 import { UploadOutlined, DownloadOutlined } from '@ant-design/icons';
 import { backupApi } from '../../api/backup';
 
-const { Title, Paragraph, Text } = Typography;
+const { Paragraph, Text } = Typography;
 
 const BackupPage = memo(function BackupPage() {
   const [loading, setLoading] = useState(false);