diff --git a/infra/docker/entrypoint-worker.sh b/infra/docker/entrypoint-worker.sh
new file mode 100644
index 000000000..d03eb4bd1
--- /dev/null
+++ b/infra/docker/entrypoint-worker.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+# Worker 启动脚本 — 支持 WORKER_CONCURRENCY 环境变量
+# 未设置时默认 2（保持向后兼容）
+
+set -e
+
+CONCURRENCY="${WORKER_CONCURRENCY:-2}"
+
+exec celery \
+  -A worker_app.celery_app \
+  worker \
+  --loglevel=info \
+  "--concurrency=${CONCURRENCY}"
diff --git a/infra/docker/worker.Dockerfile b/infra/docker/worker.Dockerfile
index 1822e2111..748688cd5 100755
--- a/infra/docker/worker.Dockerfile
+++ b/infra/docker/worker.Dockerfile
@@ -48,6 +48,10 @@ COPY packages/ /app/packages/
 COPY alembic.ini /app/alembic.ini
 COPY migrations/ /app/migrations/
 
+# 复制 Worker 启动脚本（支持 WORKER_CONCURRENCY 环境变量）
+COPY infra/docker/entrypoint-worker.sh /usr/local/bin/entrypoint-worker.sh
+RUN chmod +x /usr/local/bin/entrypoint-worker.sh
+
 # 设置 Python 路径
 ENV PATH="/opt/venv/bin:$PATH"
 ENV PYTHONPATH=/app
@@ -61,4 +65,4 @@ USER celery
 
 # Worker 入口点
 WORKDIR /app/apps/worker
-CMD ["celery", "-A", "worker_app.celery_app", "worker", "--loglevel=info", "--concurrency=2"]
+CMD ["/usr/local/bin/entrypoint-worker.sh"]