fix: 修复配额说明重复和undefined问题

- 在editStorageForm中初始化oss_storage_quota_value和oss_quota_unit
- 删除重复的旧配额说明块，保留新的当前配额设置显示

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

docker-compose.yml

@@ -0,0 +1,83 @@
+# ============================================
+# 玩玩云 Docker Compose 配置
+# ============================================
+# 使用方法:
+#   1. 复制 backend/.env.example 为 backend/.env 并修改配置
+#   2. 运行: docker-compose up -d
+#   3. 访问: http://localhost (或配置的域名)
+# ============================================
+
+version: '3.8'
+
+services:
+  # ============================================
+  # 后端服务
+  # ============================================
+  backend:
+    build:
+      context: ./backend
+      dockerfile: Dockerfile
+    container_name: wanwanyun-backend
+    restart: unless-stopped
+    environment:
+      - NODE_ENV=production
+      - PORT=40001
+      # 以下配置建议通过 .env 文件或环境变量设置
+      # - JWT_SECRET=your-secret-key
+      # - ADMIN_USERNAME=admin
+      # - ADMIN_PASSWORD=admin123
+    env_file:
+      - ./backend/.env
+    volumes:
+      # 数据持久化
+      - ./backend/data:/app/data
+      - ./backend/storage:/app/storage
+    networks:
+      - wanwanyun-network
+    healthcheck:
+      test: ["CMD", "wget", "--spider", "-q", "http://localhost:40001/api/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 40s
+
+  # ============================================
+  # Nginx 前端服务
+  # ============================================
+  nginx:
+    image: nginx:alpine
+    container_name: wanwanyun-nginx
+    restart: unless-stopped
+    ports:
+      - "80:80"
+      - "443:443"
+    volumes:
+      # 前端静态文件
+      - ./frontend:/usr/share/nginx/html:ro
+      # Nginx 配置
+      - ./nginx/nginx.conf:/etc/nginx/conf.d/default.conf:ro
+      # SSL 证书（如有）
+      - ./nginx/ssl:/etc/nginx/ssl:ro
+      # Let's Encrypt 证书目录（可选）
+      # - /etc/letsencrypt:/etc/letsencrypt:ro
+      # - ./certbot/www:/var/www/certbot:ro
+    depends_on:
+      - backend
+    networks:
+      - wanwanyun-network
+    healthcheck:
+      test: ["CMD", "wget", "--spider", "-q", "http://localhost/"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+
+networks:
+  wanwanyun-network:
+    driver: bridge
+
+# ============================================
+# 可选: 数据卷（用于更持久的数据存储）
+# ============================================
+# volumes:
+#   wanwanyun-data:
+#   wanwanyun-storage: