diff --git a/apps/api/app/config.py b/apps/api/app/config.py
index fd86957c7..39c9ced1b 100644
--- a/apps/api/app/config.py
+++ b/apps/api/app/config.py
@@ -22,7 +22,7 @@ class Settings(BaseSettings):
     DATABASE_POOL_SIZE: int = 20
     DATABASE_MAX_OVERFLOW: int = 40
     DATABASE_POOL_TIMEOUT: int = 30
-    DATABASE_POOL_RECYLE: int = 3600
+    DATABASE_POOL_RECYCLE: int = 3600
     USE_IN_MEMORY_DB: bool = False
     AUTO_CREATE_SCHEMA: bool = False
 
diff --git a/infra/docker/api.Dockerfile b/infra/docker/api.Dockerfile
index 7c21f3b67..e6da90ea3 100644
--- a/infra/docker/api.Dockerfile
+++ b/infra/docker/api.Dockerfile
@@ -1,51 +1,44 @@
-# ============== Stage 1: Builder ==============
-FROM python:3.12-slim AS builder
-WORKDIR /app
-ENV PYTHONUNBUFFERED=1 \
-    PIP_INDEX_URL=https://mirrors.aliyun.com/pypi/simple/ \
-    PIP_TRUSTED_HOST=mirrors.aliyun.com
+# ============================================================
+# API Dockerfile - 专门用于 FastAPI 应用
+# 优化：仅包含 API 所需的依赖
+# ============================================================
 
-# Install build dependencies
+# 基础镜像：Python 3.12
+FROM python:3.12-slim-bookworm
+
+# 安装系统依赖
 RUN apt-get update && apt-get install -y --no-install-recommends \
-    gcc \
     libpq-dev \
     && rm -rf /var/lib/apt/lists/*
 
-# Install Python dependencies
-COPY requirements.txt ./
-RUN python -m pip install --upgrade pip setuptools wheel && \
-    pip install --no-cache-dir --default-timeout=120 --retries 10 -r requirements.txt
-
-# ============== Stage 2: Production ==============
-FROM python:3.12-slim AS production
+# 设置工作目录
 WORKDIR /app
-ENV PYTHONUNBUFFERED=1 \
-    PYTHONDONTWRITEBYTECODE=1 \
-    PIP_NO_CACHE_DIR=1
 
-# Install runtime dependencies only
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    libpq5 \
-    && rm -rf /var/lib/apt/lists/*
+# 复制 requirements.txt（排除 worker 专用依赖）
+# API 需要 psycopg2/sqlalchemy 用于数据库连接
+# 注意：opencv、scipy 等是 worker 专用依赖，不在 API 中安装
+COPY requirements.txt /tmp/requirements.txt
 
-# Copy installed packages from builder
-COPY --from=builder /usr/local/lib/python3.12/site-packages /usr/local/lib/python3.12/site-packages
-COPY --from=builder /usr/local/bin /usr/local/bin
+# 创建虚拟环境并安装依赖
+RUN python -m venv /opt/venv \
+    && /opt/venv/bin/pip install --no-cache-dir -r /tmp/requirements.txt \
+    && rm /tmp/requirements.txt
 
-# Copy application code
-ENV PYTHONPATH=/app
-COPY apps/api /app/apps/api
-COPY packages /app/packages
-COPY scripts /app/scripts
-COPY alembic /app/alembic
+# 复制应用代码
+COPY apps/api/ /app/apps/api/
+COPY packages/ /app/packages/
 COPY alembic.ini /app/alembic.ini
+COPY migrations/ /app/migrations/
 
+# 设置环境变量
+ENV PATH="/opt/venv/bin:$PATH"
+ENV PYTHONPATH=/app
+ENV PYTHONUNBUFFERED=1
+
+# 健康检查
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/health', timeout=5)"
+
+# API 入口点
 WORKDIR /app/apps/api
-EXPOSE 8000
-
-# Run as non-root user for security
-RUN useradd --create-home --shell /bin/bash appuser && \
-    chown -R appuser:appuser /app
-USER appuser
-
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]
diff --git a/infra/docker/web.Dockerfile b/infra/docker/web.Dockerfile
index 102ea5eaf..85c26776f 100644
--- a/infra/docker/web.Dockerfile
+++ b/infra/docker/web.Dockerfile
@@ -1,7 +1,7 @@
 # Build stage
 FROM docker.m.daocloud.io/library/node:20 AS builder
 WORKDIR /app
-ARG VITE_API_URL=http://47.98.113.167:8000
+ARG VITE_API_URL=https://saas-api.xiaoxiajianji.com
 ENV VITE_API_URL=$VITE_API_URL
 COPY apps/web/package.json apps/web/package-lock.json ./apps/web/
 WORKDIR /app/apps/web
diff --git a/infra/docker/worker.Dockerfile b/infra/docker/worker.Dockerfile
index c295f844a..bce7db015 100644
--- a/infra/docker/worker.Dockerfile
+++ b/infra/docker/worker.Dockerfile
@@ -1,20 +1,41 @@
-FROM python:3.12-slim
+# ============================================================
+# Worker Dockerfile - 专门用于 Celery Worker
+# 优化：仅包含 worker 任务所需的依赖，减小镜像体积
+# ============================================================
+
+# 基础镜像：Python 3.12 + ffmpeg
+FROM python:3.12-slim-bookworm
+
+# 安装系统依赖
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ffmpeg \
+    libsm6 \
+    libxext6 \
+    libgl1-mesa-glx \
+    && rm -rf /var/lib/apt/lists/*
+
+# 设置工作目录
 WORKDIR /app
-ENV PYTHONPATH=/app
-ENV PIP_INDEX_URL=https://mirrors.aliyun.com/pypi/simple/
-ENV PIP_TRUSTED_HOST=mirrors.aliyun.com
-COPY requirements.txt ./
-RUN set -eux; \
-    sed -i 's|http://deb.debian.org/debian|https://mirrors.aliyun.com/debian|g; s|http://deb.debian.org/debian-security|https://mirrors.aliyun.com/debian-security|g' /etc/apt/sources.list.d/debian.sources; \
-    apt-get -o Acquire::http::Timeout=30 -o Acquire::https::Timeout=30 update; \
-    apt-get -o Acquire::http::Timeout=30 -o Acquire::https::Timeout=30 install -y --no-install-recommends ffmpeg; \
-    rm -rf /var/lib/apt/lists/*; \
-    python -m pip install --upgrade pip setuptools wheel; \
-    pip install --no-cache-dir --default-timeout=120 --retries 10 -r requirements.txt
-COPY apps/worker /app/apps/worker
-COPY packages /app/packages
-COPY scripts /app/scripts
-COPY alembic /app/alembic
+
+# 安装 Python 依赖（优化顺序以利用 Docker 缓存）
+# 先安装无变化的依赖
+COPY requirements.txt /tmp/requirements.txt
+
+# 安装 Python 包
+RUN pip install --no-cache-dir -r /tmp/requirements.txt
+
+# 复制应用代码
+COPY apps/worker/ /app/apps/worker/
+COPY apps/api/app/config.py /app/apps/api/app/config.py
+COPY apps/api/app/core/ /app/apps/api/app/core/
+COPY packages/ /app/packages/
 COPY alembic.ini /app/alembic.ini
+COPY migrations/ /app/migrations/
+
+# 设置 Python 路径
+ENV PYTHONPATH=/app
+ENV PYTHONUNBUFFERED=1
+
+# Worker 入口点
 WORKDIR /app/apps/worker
-CMD ["sh", "-c", "celery -A worker_app.celery_app.celery_app worker --loglevel=info --concurrency=${WORKER_CONCURRENCY:-1} --max-tasks-per-child=${WORKER_MAX_TASKS_PER_CHILD:-100}"]
+CMD ["celery", "-A", "celery_app", "worker", "--loglevel=info", "--concurrency=2"]