diff --git a/infra/docker/api.Dockerfile b/infra/docker/api.Dockerfile
index 7c280c190..1ba93519e 100755
--- a/infra/docker/api.Dockerfile
+++ b/infra/docker/api.Dockerfile
@@ -39,6 +39,9 @@ COPY migrations/ /app/migrations/
 COPY alembic/ /app/alembic/
 COPY scripts/ /app/scripts/
 
+# 清理不需要的文件，减小镜像体积
+RUN find /app -type d -name __pycache__ -exec rm -rf {} + 2>/dev/null || true     && find /opt/venv -type d -name __pycache__ -exec rm -rf {} + 2>/dev/null || true     && find /opt/venv -name "*.pyc" -delete 2>/dev/null || true     && find /opt/venv -name "*.pyo" -delete 2>/dev/null || true     && rm -rf /opt/venv/share/doc /opt/venv/share/man 2>/dev/null || true     && apt-get clean     && rm -rf /var/lib/apt/lists/*
+
 # 设置环境变量
 ENV PATH="/opt/venv/bin:$PATH"
 ENV PYTHONPATH=/app