diff --git a/docker-compose.moldinsight.yml b/docker-compose.moldinsight.yml
index b0460be..7a4cc7d 100644
--- a/docker-compose.moldinsight.yml
+++ b/docker-compose.moldinsight.yml
@@ -83,7 +83,7 @@ services:
       dockerfile: deploy/Dockerfile.moldinsight
     image: gemold-backend:latest
     container_name: gemold_celery
-    command: ["sh", "-c", "exec celery -A celery_app worker --workdir=/app/src --concurrency=${CELERY_CONCURRENCY:-2} --max-tasks-per-child=${CELERY_MAX_TASKS_PER_CHILD:-50} --loglevel=info"]
+    command: ["sh", "-c", "cd /app/src && exec celery -A celery_app worker --concurrency=${CELERY_CONCURRENCY:-2} --max-tasks-per-child=${CELERY_MAX_TASKS_PER_CHILD:-50} --loglevel=info"]
     environment:
       <<: *base_env
       # Celery/OCC 吞吐调优（OCC_THROUGHPUT 方案 A）
diff --git a/docker-compose.yml b/docker-compose.yml
index 0148c8a..df9cc1a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -104,7 +104,10 @@ services:
       dockerfile: deploy/Dockerfile.moldinsight
     image: gemold-backend:latest
     container_name: gemold_celery
-    command: ["sh", "-c", "exec celery -A celery_app worker --workdir=/app/src --concurrency=${CELERY_CONCURRENCY:-2} --max-tasks-per-child=${CELERY_MAX_TASKS_PER_CHILD:-50} --loglevel=info"]
+    # cd /app/src 是必须的：celery_app / celery_tasks 是 src/ 的子模块，
+    # 而其 import 用的是裸模块名（celery_app.py 内 include=["celery_tasks"]），
+    # 所以 worker 必须从 src/ 目录启动；不依赖 celery 版本是否支持 --workdir
+    command: ["sh", "-c", "cd /app/src && exec celery -A celery_app worker --concurrency=${CELERY_CONCURRENCY:-2} --max-tasks-per-child=${CELERY_MAX_TASKS_PER_CHILD:-50} --loglevel=info"]
     environment:
       <<: *base_env
       # Celery/OCC 吞吐调优（OCC_THROUGHPUT 方案 A）