diff --git a/runtime/Dockerfile b/runtime/Dockerfile
index 27307dc..72b9302 100644
--- a/runtime/Dockerfile
+++ b/runtime/Dockerfile
@@ -38,7 +38,8 @@ RUN uv venv --seed --python 3.12 /opt/venv/python3.12 && \
       --display-name="Python 3.12" \
 
 # 删除主服务kernel
-RUN /app/.venv/bin/jupyter kernelspec remove python3 -f || true
+RUN rm -rf /app/.venv/share/jupyter/kernels/python3 && \
+    /app/.venv/bin/jupyter kernelspec list
 
 EXPOSE 8000
 CMD ["uv", "run", "--frozen", "--package", "runtime", "gunicorn", "--config", "runtime/gunicorn.conf.py", "runtime.main:app"]