diff --git a/runtime/Dockerfile b/runtime/Dockerfile
index 1934dd5..dc1c053 100644
--- a/runtime/Dockerfile
+++ b/runtime/Dockerfile
@@ -14,7 +14,7 @@ RUN mkdir -p /root/.jupyter/custom /app/.venv/share/jupyter/custom && \
 
 RUN uv venv --python 3.8 /opt/venv/python3.8 && \
     UV_DEFAULT_INDEX="https://pypi.tuna.tsinghua.edu.cn/simple/" uv pip install --python /opt/venv/python3.8/bin/python ipykernel && \
-    /opt/venv/python3.8/bin/python -m ipykernel install --prefix=/app/.venv --name=python38 --display-name="python3.8" \
+    /opt/venv/python3.8/bin/python -m ipykernel install --prefix=/app/.venv --name=python38 --display-name="python3.8"
 
 RUN uv venv --python 3.10 /opt/venv/python3.10 && \
     UV_DEFAULT_INDEX="https://pypi.tuna.tsinghua.edu.cn/simple/" uv pip install --python /opt/venv/python3.10/bin/python ipykernel && \