diff --git a/cloud-center/Dockerfile b/cloud-center/Dockerfile
index 4e2751b..7020f9a 100644
--- a/cloud-center/Dockerfile
+++ b/cloud-center/Dockerfile
@@ -24,11 +24,6 @@ RUN DEBIAN_FRONTEND=noninteractive \
     && apt-get install -y nodejs \
     && rm -rf /var/lib/apt/lists/*
 
-# setup nodejs
-RUN npm install -g cnpm --registry=https://registry.npm.taobao.org \
-    && echo "alias npm=cnpm" >> /root/.bashrc \
-    && npm config set registry https://registry.npm.taobao.org
-
 # copy gitsh script
 COPY ./cloud-center/gitsh /project/tools/gitsh
 RUN chmod +x /project/tools/gitsh
@@ -48,9 +43,6 @@ RUN apt-get update -y && apt-get upgrade -y \
     && apt-get install vim pngquant -y \
     && rm -rf /var/lib/apt/lists/*
 
-# setup alias
-RUN echo "alias ll='ls -la'" >> /root/.bashrc
-
 # setup timezone
 RUN cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
     && date
@@ -66,5 +58,13 @@ RUN echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye main contrib
 # https://mirrors.tuna.tsinghua.edu.cn/help/pypi/
 RUN pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple
 
+# setup mirrors of nodejs
+RUN npm install -g cnpm \
+    && npm config set registry https://registry.npm.taobao.org
+
+# setup alias
+RUN echo "alias ll='ls -la'" >> /root/.bashrc \
+    && echo "alias npm=cnpm" >> /root/.bashrc
+
 # on start up
 CMD ["python3"]