diff --git a/backend/.env.example b/backend/.env.example
index 09b7c56..a7d4f31 100644
--- a/backend/.env.example
+++ b/backend/.env.example
@@ -1,21 +1,42 @@
-# 应用配置
+# ===========================
+# 秒思智能审核平台 - 后端环境变量
+# ===========================
+# 复制此文件为 .env 并填入实际值
+# cp .env.example .env
+
+# --- 应用 ---
 APP_NAME=秒思智能审核平台
 APP_VERSION=1.0.0
 DEBUG=false
 
-# 数据库
+# --- 数据库 ---
 DATABASE_URL=postgresql+asyncpg://postgres:postgres@localhost:5432/miaosi
 
-# Redis
+# --- Redis ---
 REDIS_URL=redis://localhost:6379/0
 
-# JWT 密钥 (生产环境必须更换)
+# --- JWT ---
+# 生产环境务必更换为随机密钥: python -c "import secrets; print(secrets.token_urlsafe(64))"
 SECRET_KEY=your-secret-key-change-in-production
+ALGORITHM=HS256
+ACCESS_TOKEN_EXPIRE_MINUTES=30
 
-# AI 配置 (可选，也可通过 API 配置)
-AI_PROVIDER=doubao
+# --- AI 服务 (中转服务商) ---
+AI_PROVIDER=oneapi
 AI_API_KEY=
 AI_API_BASE_URL=
 
-# 加密密钥 (生产环境必须更换，用于加密 API Key)
-ENCRYPTION_KEY=your-32-byte-encryption-key-here
+# --- 阿里云 OSS ---
+OSS_ACCESS_KEY_ID=
+OSS_ACCESS_KEY_SECRET=
+OSS_ENDPOINT=oss-cn-hangzhou.aliyuncs.com
+OSS_BUCKET_NAME=miaosi-files
+OSS_BUCKET_DOMAIN=
+
+# --- 加密密钥 ---
+# 用于加密存储 API 密钥等敏感数据
+# 生成方法: python -c "from cryptography.fernet import Fernet; print(Fernet.generate_key().decode())"
+ENCRYPTION_KEY=
+
+# --- 文件上传 ---
+MAX_FILE_SIZE_MB=500
diff --git a/backend/Dockerfile b/backend/Dockerfile
index 062e90f..a1f3fbf 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,30 +1,56 @@
-# 基础镜像
-FROM python:3.11-slim
+# ===========================
+# 秒思智能审核平台 - Backend Dockerfile
+# 多阶段构建，基于 python:3.13-slim
+# ===========================
 
-# 设置工作目录
-WORKDIR /app
+# ---------- Stage 1: 构建依赖 ----------
+FROM python:3.13-slim AS builder
 
-# 安装系统依赖 (FFmpeg 用于视频处理)
+WORKDIR /build
+
+# 安装编译依赖
 RUN apt-get update && apt-get install -y --no-install-recommends \
-    ffmpeg \
-    libpq-dev \
     gcc \
+    libpq-dev \
     && rm -rf /var/lib/apt/lists/*
 
-# 复制依赖文件
+# 复制依赖描述文件
 COPY pyproject.toml .
 
-# 安装 Python 依赖
-RUN pip install --no-cache-dir -e .
+# 安装 Python 依赖到 /build/deps
+RUN pip install --no-cache-dir --prefix=/build/deps .
+
+# ---------- Stage 2: 运行时镜像 ----------
+FROM python:3.13-slim AS runtime
+
+WORKDIR /app
+
+# 安装运行时系统依赖（FFmpeg 用于视频处理，libpq 用于 PostgreSQL）
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ffmpeg \
+    libpq5 \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# 从 builder 阶段复制已安装的 Python 依赖
+COPY --from=builder /build/deps /usr/local
 
 # 复制应用代码
-COPY . .
+COPY app/ ./app/
+COPY alembic/ ./alembic/
+COPY alembic.ini .
+COPY pyproject.toml .
 
-# 创建临时目录
-RUN mkdir -p /tmp/videos
+# 创建非 root 用户
+RUN groupadd -r miaosi && useradd -r -g miaosi -d /app -s /sbin/nologin miaosi \
+    && mkdir -p /tmp/videos \
+    && chown -R miaosi:miaosi /app /tmp/videos
+
+USER miaosi
 
-# 暴露端口
 EXPOSE 8000
 
-# 默认命令
+HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
+    CMD curl -f http://localhost:8000/health || exit 1
+
 CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]
diff --git a/backend/app/api/export.py b/backend/app/api/export.py
new file mode 100644
index 0000000..91f3b25
--- /dev/null
+++ b/backend/app/api/export.py
@@ -0,0 +1,234 @@
+"""
+数据导出 API
+支持导出任务数据和审计日志为 CSV 格式
+"""
+import csv
+import io
+from typing import Optional
+from datetime import datetime, date
+
+from fastapi import APIRouter, Depends, HTTPException, Query, status
+from fastapi.responses import StreamingResponse
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from sqlalchemy.orm import selectinload
+
+from app.database import get_db
+from app.models.user import User, UserRole
+from app.models.task import Task, TaskStage
+from app.models.project import Project
+from app.models.organization import Brand, Agency, Creator
+from app.models.audit_log import AuditLog
+from app.api.deps import get_current_user, require_roles
+
+router = APIRouter(prefix="/export", tags=["数据导出"])
+
+
+def _iter_csv(header: list[str], rows: list[list[str]]):
+    """
+    生成 CSV 流式响应的迭代器。
+    首行输出 UTF-8 BOM + 表头，之后逐行输出数据。
+    """
+    buf = io.StringIO()
+    writer = csv.writer(buf)
+
+    # 写入 BOM + 表头
+    writer.writerow(header)
+    yield "\ufeff" + buf.getvalue()
+    buf.seek(0)
+    buf.truncate(0)
+
+    # 逐行写入数据
+    for row in rows:
+        writer.writerow(row)
+        yield buf.getvalue()
+        buf.seek(0)
+        buf.truncate(0)
+
+
+def _format_datetime(dt: Optional[datetime]) -> str:
+    """格式化日期时间为字符串"""
+    if dt is None:
+        return ""
+    return dt.strftime("%Y-%m-%d %H:%M:%S")
+
+
+def _format_stage(stage: Optional[TaskStage]) -> str:
+    """将任务阶段转换为中文标签"""
+    if stage is None:
+        return ""
+    stage_labels = {
+        TaskStage.SCRIPT_UPLOAD: "待上传脚本",
+        TaskStage.SCRIPT_AI_REVIEW: "脚本AI审核中",
+        TaskStage.SCRIPT_AGENCY_REVIEW: "脚本代理商审核中",
+        TaskStage.SCRIPT_BRAND_REVIEW: "脚本品牌方终审中",
+        TaskStage.VIDEO_UPLOAD: "待上传视频",
+        TaskStage.VIDEO_AI_REVIEW: "视频AI审核中",
+        TaskStage.VIDEO_AGENCY_REVIEW: "视频代理商审核中",
+        TaskStage.VIDEO_BRAND_REVIEW: "视频品牌方终审中",
+        TaskStage.COMPLETED: "已完成",
+        TaskStage.REJECTED: "已驳回",
+    }
+    return stage_labels.get(stage, stage.value)
+
+
+@router.get("/tasks")
+async def export_tasks(
+    project_id: Optional[str] = Query(None, description="按项目ID筛选"),
+    start_date: Optional[date] = Query(None, description="开始日期 (YYYY-MM-DD)"),
+    end_date: Optional[date] = Query(None, description="结束日期 (YYYY-MM-DD)"),
+    current_user: User = Depends(require_roles(UserRole.BRAND, UserRole.AGENCY)),
+    db: AsyncSession = Depends(get_db),
+):
+    """
+    导出任务数据为 CSV
+
+    - 仅限品牌方和代理商角色
+    - 支持按项目ID、时间范围筛选
+    - 返回 CSV 文件流
+    """
+    # 构建查询，预加载关联数据
+    query = (
+        select(Task)
+        .options(
+            selectinload(Task.project).selectinload(Project.brand),
+            selectinload(Task.agency),
+            selectinload(Task.creator),
+        )
+        .order_by(Task.created_at.desc())
+    )
+
+    # 根据角色限定数据范围
+    if current_user.role == UserRole.BRAND:
+        result = await db.execute(
+            select(Brand).where(Brand.user_id == current_user.id)
+        )
+        brand = result.scalar_one_or_none()
+        if not brand:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="品牌方信息不存在",
+            )
+        # 品牌方只能导出自己项目下的任务
+        query = query.join(Task.project).where(Project.brand_id == brand.id)
+
+    elif current_user.role == UserRole.AGENCY:
+        result = await db.execute(
+            select(Agency).where(Agency.user_id == current_user.id)
+        )
+        agency = result.scalar_one_or_none()
+        if not agency:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="代理商信息不存在",
+            )
+        # 代理商只能导出自己负责的任务
+        query = query.where(Task.agency_id == agency.id)
+
+    # 可选筛选条件
+    if project_id:
+        query = query.where(Task.project_id == project_id)
+
+    if start_date:
+        query = query.where(Task.created_at >= datetime.combine(start_date, datetime.min.time()))
+
+    if end_date:
+        query = query.where(Task.created_at <= datetime.combine(end_date, datetime.max.time()))
+
+    result = await db.execute(query)
+    tasks = result.scalars().all()
+
+    # 构建 CSV 数据
+    header = ["任务ID", "任务名称", "项目名称", "阶段", "达人名称", "代理商名称", "创建时间", "更新时间"]
+    rows = []
+    for task in tasks:
+        rows.append([
+            task.id,
+            task.name,
+            task.project.name if task.project else "",
+            _format_stage(task.stage),
+            task.creator.name if task.creator else "",
+            task.agency.name if task.agency else "",
+            _format_datetime(task.created_at),
+            _format_datetime(task.updated_at),
+        ])
+
+    # 生成文件名
+    filename = f"tasks_export_{datetime.now().strftime('%Y%m%d_%H%M%S')}.csv"
+
+    return StreamingResponse(
+        _iter_csv(header, rows),
+        media_type="text/csv",
+        headers={
+            "Content-Disposition": f'attachment; filename="{filename}"',
+        },
+    )
+
+
+@router.get("/audit-logs")
+async def export_audit_logs(
+    start_date: Optional[date] = Query(None, description="开始日期 (YYYY-MM-DD)"),
+    end_date: Optional[date] = Query(None, description="结束日期 (YYYY-MM-DD)"),
+    action: Optional[str] = Query(None, description="操作类型筛选 (如 login, create_project, review_task)"),
+    current_user: User = Depends(require_roles(UserRole.BRAND)),
+    db: AsyncSession = Depends(get_db),
+):
+    """
+    导出审计日志为 CSV
+
+    - 仅限品牌方角色
+    - 支持按时间范围、操作类型筛选
+    - 返回 CSV 文件流
+    """
+    # 验证品牌方身份
+    result = await db.execute(
+        select(Brand).where(Brand.user_id == current_user.id)
+    )
+    brand = result.scalar_one_or_none()
+    if not brand:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="品牌方信息不存在",
+        )
+
+    # 构建查询
+    query = select(AuditLog).order_by(AuditLog.created_at.desc())
+
+    if start_date:
+        query = query.where(AuditLog.created_at >= datetime.combine(start_date, datetime.min.time()))
+
+    if end_date:
+        query = query.where(AuditLog.created_at <= datetime.combine(end_date, datetime.max.time()))
+
+    if action:
+        query = query.where(AuditLog.action == action)
+
+    result = await db.execute(query)
+    logs = result.scalars().all()
+
+    # 构建 CSV 数据
+    header = ["日志ID", "操作类型", "资源类型", "资源ID", "操作用户", "用户角色", "详情", "IP地址", "操作时间"]
+    rows = []
+    for log in logs:
+        rows.append([
+            str(log.id),
+            log.action or "",
+            log.resource_type or "",
+            log.resource_id or "",
+            log.user_name or "",
+            log.user_role or "",
+            log.detail or "",
+            log.ip_address or "",
+            _format_datetime(log.created_at),
+        ])
+
+    # 生成文件名
+    filename = f"audit_logs_export_{datetime.now().strftime('%Y%m%d_%H%M%S')}.csv"
+
+    return StreamingResponse(
+        _iter_csv(header, rows),
+        media_type="text/csv",
+        headers={
+            "Content-Disposition": f'attachment; filename="{filename}"',
+        },
+    )
diff --git a/backend/app/config.py b/backend/app/config.py
index a633411..a9dd1e9 100644
--- a/backend/app/config.py
+++ b/backend/app/config.py
@@ -10,6 +10,10 @@ class Settings(BaseSettings):
     APP_NAME: str = "秒思智能审核平台"
     APP_VERSION: str = "1.0.0"
     DEBUG: bool = False
+    ENVIRONMENT: str = "development"  # development | staging | production
+
+    # CORS（逗号分隔的允许来源列表）
+    CORS_ORIGINS: str = "http://localhost:3000"
 
     # 数据库
     DATABASE_URL: str = "postgresql+asyncpg://postgres:postgres@localhost:5432/miaosi"
diff --git a/backend/app/main.py b/backend/app/main.py
index 3ef1fcb..8a5495b 100644
--- a/backend/app/main.py
+++ b/backend/app/main.py
@@ -1,32 +1,59 @@
 """FastAPI 应用入口"""
-from fastapi import FastAPI
+from fastapi import FastAPI, Request, Response
 from fastapi.middleware.cors import CORSMiddleware
+from starlette.middleware.base import BaseHTTPMiddleware
 from app.config import settings
 from app.logging_config import setup_logging
 from app.middleware.rate_limit import RateLimitMiddleware
-from app.api import health, auth, upload, scripts, videos, tasks, rules, ai_config, sse, projects, briefs, organizations, dashboard
+from app.api import health, auth, upload, scripts, videos, tasks, rules, ai_config, sse, projects, briefs, organizations, dashboard, export
 
 # Initialize logging
 logger = setup_logging()
 
-# 创建应用
+# 环境判断
+_is_production = settings.ENVIRONMENT == "production"
+
+# 创建应用（生产环境禁用 API 文档）
 app = FastAPI(
     title=settings.APP_NAME,
     version=settings.APP_VERSION,
     description="AI 营销内容合规审核平台 API",
-    docs_url="/docs" if settings.DEBUG else None,
-    redoc_url="/redoc" if settings.DEBUG else None,
+    docs_url=None if _is_production else "/docs",
+    redoc_url=None if _is_production else "/redoc",
 )
 
-# CORS 配置
+# CORS 配置（从环境变量读取允许的来源）
+_cors_origins = [
+    origin.strip()
+    for origin in settings.CORS_ORIGINS.split(",")
+    if origin.strip()
+]
 app.add_middleware(
     CORSMiddleware,
-    allow_origins=["*"] if settings.DEBUG else ["https://miaosi.ai"],
+    allow_origins=_cors_origins,
     allow_credentials=True,
     allow_methods=["*"],
     allow_headers=["*"],
 )
 
+
+# Security headers middleware
+class SecurityHeadersMiddleware(BaseHTTPMiddleware):
+    async def dispatch(self, request: Request, call_next) -> Response:
+        response = await call_next(request)
+        response.headers["X-Content-Type-Options"] = "nosniff"
+        response.headers["X-Frame-Options"] = "DENY"
+        response.headers["X-XSS-Protection"] = "1; mode=block"
+        response.headers["Referrer-Policy"] = "strict-origin-when-cross-origin"
+        if _is_production:
+            response.headers["Strict-Transport-Security"] = (
+                "max-age=63072000; includeSubDomains; preload"
+            )
+        return response
+
+
+app.add_middleware(SecurityHeadersMiddleware)
+
 # Rate limiting
 app.add_middleware(RateLimitMiddleware, default_limit=60, window_seconds=60)
 
@@ -44,6 +71,7 @@ app.include_router(projects.router, prefix="/api/v1")
 app.include_router(briefs.router, prefix="/api/v1")
 app.include_router(organizations.router, prefix="/api/v1")
 app.include_router(dashboard.router, prefix="/api/v1")
+app.include_router(export.router, prefix="/api/v1")
 
 
 @app.on_event("startup")
@@ -57,5 +85,5 @@ async def root():
     return {
         "message": f"Welcome to {settings.APP_NAME}",
         "version": settings.APP_VERSION,
-        "docs": "/docs" if settings.DEBUG else "disabled",
+        "docs": "disabled" if _is_production else "/docs",
     }
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..e0dba71
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,81 @@
+version: "3.8"
+
+services:
+  # ---- PostgreSQL 数据库 ----
+  postgres:
+    image: postgres:16-alpine
+    container_name: miaosi-postgres
+    environment:
+      POSTGRES_USER: ${POSTGRES_USER:-postgres}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-postgres}
+      POSTGRES_DB: ${POSTGRES_DB:-miaosi}
+    ports:
+      - "${POSTGRES_PORT:-5432}:5432"
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-postgres}"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+    restart: unless-stopped
+
+  # ---- Redis 缓存 / 消息队列 ----
+  redis:
+    image: redis:7-alpine
+    container_name: miaosi-redis
+    ports:
+      - "${REDIS_PORT:-6379}:6379"
+    volumes:
+      - redis_data:/data
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+    restart: unless-stopped
+
+  # ---- FastAPI 后端 ----
+  backend:
+    build:
+      context: ./backend
+      dockerfile: Dockerfile
+    container_name: miaosi-backend
+    ports:
+      - "${BACKEND_PORT:-8000}:8000"
+    env_file:
+      - ./backend/.env
+    environment:
+      # 覆盖数据库和 Redis 地址，指向 Docker 内部网络
+      DATABASE_URL: postgresql+asyncpg://${POSTGRES_USER:-postgres}:${POSTGRES_PASSWORD:-postgres}@postgres:5432/${POSTGRES_DB:-miaosi}
+      REDIS_URL: redis://redis:6379/0
+    depends_on:
+      postgres:
+        condition: service_healthy
+      redis:
+        condition: service_healthy
+    volumes:
+      - video_temp:/tmp/videos
+    restart: unless-stopped
+
+  # ---- Next.js 前端 ----
+  frontend:
+    build:
+      context: ./frontend
+      dockerfile: Dockerfile
+      args:
+        NEXT_PUBLIC_API_BASE_URL: ${NEXT_PUBLIC_API_BASE_URL:-http://localhost:8000}
+        NEXT_PUBLIC_USE_MOCK: "false"
+    container_name: miaosi-frontend
+    ports:
+      - "${FRONTEND_PORT:-3000}:3000"
+    environment:
+      NODE_ENV: production
+    depends_on:
+      - backend
+    restart: unless-stopped
+
+volumes:
+  postgres_data:
+  redis_data:
+  video_temp:
diff --git a/frontend/.dockerignore b/frontend/.dockerignore
new file mode 100644
index 0000000..a8cd81f
--- /dev/null
+++ b/frontend/.dockerignore
@@ -0,0 +1,33 @@
+# Git
+.git
+.gitignore
+
+# Dependencies (will be installed in Docker)
+node_modules
+
+# Build output
+.next
+out
+dist
+
+# Testing
+coverage
+.vitest
+
+# IDE
+.idea
+.vscode
+*.swp
+*.swo
+
+# Environment
+.env
+.env.local
+.env.*.local
+
+# Misc
+*.log
+*.tmp
+README.md
+Dockerfile
+.dockerignore
diff --git a/frontend/.env.example b/frontend/.env.example
new file mode 100644
index 0000000..5789b55
--- /dev/null
+++ b/frontend/.env.example
@@ -0,0 +1,13 @@
+# ===========================
+# 秒思智能审核平台 - 前端环境变量
+# ===========================
+# 复制此文件为 .env.local 并填入实际值
+# cp .env.example .env.local
+
+# --- API 地址 ---
+# 后端 API 基础 URL（浏览器端访问）
+NEXT_PUBLIC_API_BASE_URL=http://localhost:8000
+
+# --- Mock 模式 ---
+# 设为 true 使用前端 mock 数据（development 环境下默认开启）
+NEXT_PUBLIC_USE_MOCK=false
diff --git a/frontend/Dockerfile b/frontend/Dockerfile
new file mode 100644
index 0000000..123f5cb
--- /dev/null
+++ b/frontend/Dockerfile
@@ -0,0 +1,64 @@
+# ===========================
+# 秒思智能审核平台 - Frontend Dockerfile
+# 多阶段构建，基于 node:20-alpine
+# ===========================
+
+# ---------- Stage 1: 安装依赖 ----------
+FROM node:20-alpine AS deps
+
+WORKDIR /app
+
+# 复制依赖描述文件
+COPY package.json package-lock.json ./
+
+# 安装生产依赖
+RUN npm ci --ignore-scripts
+
+# ---------- Stage 2: 构建应用 ----------
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+# 从 deps 阶段复制 node_modules
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+
+# 构建时环境变量（NEXT_PUBLIC_ 前缀的变量在构建时注入）
+ARG NEXT_PUBLIC_API_BASE_URL=http://localhost:8000
+ARG NEXT_PUBLIC_USE_MOCK=false
+
+ENV NEXT_PUBLIC_API_BASE_URL=$NEXT_PUBLIC_API_BASE_URL
+ENV NEXT_PUBLIC_USE_MOCK=$NEXT_PUBLIC_USE_MOCK
+
+# 启用 standalone 输出模式并构建
+ENV NEXT_TELEMETRY_DISABLED=1
+RUN npm run build
+
+# ---------- Stage 3: 运行时镜像 ----------
+FROM node:20-alpine AS runner
+
+WORKDIR /app
+
+ENV NODE_ENV=production
+ENV NEXT_TELEMETRY_DISABLED=1
+
+# 创建非 root 用户
+RUN addgroup --system --gid 1001 nodejs \
+    && adduser --system --uid 1001 nextjs
+
+# 从 builder 阶段复制 standalone 产物
+COPY --from=builder /app/public ./public
+COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
+
+USER nextjs
+
+EXPOSE 3000
+
+ENV PORT=3000
+ENV HOSTNAME="0.0.0.0"
+
+HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
+    CMD wget --no-verbose --tries=1 --spider http://localhost:3000/ || exit 1
+
+CMD ["node", "server.js"]
diff --git a/frontend/next.config.js b/frontend/next.config.js
index 235fc0f..2b4d8af 100644
--- a/frontend/next.config.js
+++ b/frontend/next.config.js
@@ -2,6 +2,9 @@
 const nextConfig = {
   reactStrictMode: true,
 
+  // Docker 部署时使用 standalone 输出模式
+  output: 'standalone',
+
   // 环境变量
   env: {
     API_BASE_URL: process.env.API_BASE_URL || 'http://localhost:8000',