diff --git a/cloud-center/Dockerfile b/cloud-center/Dockerfile
index 3869cd2..4e2751b 100644
--- a/cloud-center/Dockerfile
+++ b/cloud-center/Dockerfile
@@ -12,13 +12,6 @@ VOLUME /project
 # setup workdir
 WORKDIR /project
 
-# setup mirrors of apt
-# https://mirrors.tuna.tsinghua.edu.cn/help/debian/
-RUN echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye main contrib non-free" > /etc/apt/sources.list \
-    && echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye-updates main contrib non-free" >> /etc/apt/sources.list \
-    && echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye-backports main contrib non-free" >> /etc/apt/sources.list \
-    && echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian-security bullseye-security main contrib non-free" >> /etc/apt/sources.list
-
 # update apt packages
 RUN apt-get update -y && apt-get upgrade -y \
     && apt-get install apt-utils -y \
@@ -40,10 +33,6 @@ RUN npm install -g cnpm --registry=https://registry.npm.taobao.org \
 COPY ./cloud-center/gitsh /project/tools/gitsh
 RUN chmod +x /project/tools/gitsh
 
-# setup mirrors of pip
-# https://mirrors.tuna.tsinghua.edu.cn/help/pypi/
-RUN pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple
-
 # python pip install dependencies
 COPY ./cloud-center/requirements.txt /project/requirements.txt
 
@@ -66,5 +55,16 @@ RUN echo "alias ll='ls -la'" >> /root/.bashrc
 RUN cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
     && date
 
+# setup mirrors of apt
+# https://mirrors.tuna.tsinghua.edu.cn/help/debian/
+RUN echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye main contrib non-free" > /etc/apt/sources.list \
+    && echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye-updates main contrib non-free" >> /etc/apt/sources.list \
+    && echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye-backports main contrib non-free" >> /etc/apt/sources.list \
+    && echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian-security bullseye-security main contrib non-free" >> /etc/apt/sources.list
+
+# setup mirrors of pip
+# https://mirrors.tuna.tsinghua.edu.cn/help/pypi/
+RUN pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple
+
 # on start up
 CMD ["python3"]
diff --git a/python3.10/Dockerfile b/python3.10/Dockerfile
index 1827802..0ff5d92 100644
--- a/python3.10/Dockerfile
+++ b/python3.10/Dockerfile
@@ -12,10 +12,6 @@ VOLUME /project
 # setup workdir
 WORKDIR /project
 
-# setup mirrors of pip
-# https://mirrors.tuna.tsinghua.edu.cn/help/pypi/
-RUN pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple
-
 # upgrade pip
 RUN pip install --no-cache-dir --upgrade pip \
     && rm -rf /root/.cache \
@@ -25,13 +21,6 @@ RUN pip install --no-cache-dir --upgrade pip \
 RUN cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
     && date
 
-# setup mirrors of apt
-# https://mirrors.tuna.tsinghua.edu.cn/help/debian/
-RUN echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye main contrib non-free" > /etc/apt/sources.list \
-    && echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye-updates main contrib non-free" >> /etc/apt/sources.list \
-    && echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye-backports main contrib non-free" >> /etc/apt/sources.list \
-    && echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian-security bullseye-security main contrib non-free" >> /etc/apt/sources.list
-
 # update apt packages
 RUN apt-get update -y && apt-get upgrade -y \
     && apt-get install apt-utils -y \
@@ -40,4 +29,15 @@ RUN apt-get update -y && apt-get upgrade -y \
 # setup alias
 RUN echo "alias ll='ls -la'" >> /root/.bashrc
 
+# setup mirrors of apt
+# https://mirrors.tuna.tsinghua.edu.cn/help/debian/
+RUN echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye main contrib non-free" > /etc/apt/sources.list \
+    && echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye-updates main contrib non-free" >> /etc/apt/sources.list \
+    && echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye-backports main contrib non-free" >> /etc/apt/sources.list \
+    && echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian-security bullseye-security main contrib non-free" >> /etc/apt/sources.list
+
+# setup mirrors of pip
+# https://mirrors.tuna.tsinghua.edu.cn/help/pypi/
+RUN pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple
+
 CMD ["python3"]