diff --git a/php-fpm/Dockerfile b/php-fpm/Dockerfile
index 9da002c..d36b59c 100644
--- a/php-fpm/Dockerfile
+++ b/php-fpm/Dockerfile
@@ -28,9 +28,9 @@ ENV DEBIAN_FRONTEND noninteractive
 ARG CHANGE_SOURCE=false
 RUN if [ ${CHANGE_SOURCE} = true ]; then \
     # Change application source from deb.debian.org to aliyun source
-    sed -i 's/deb.debian.org/mirrors.aliyun.com/' /etc/apt/sources.list && \
-    sed -i 's/security.debian.org/mirrors.aliyun.com/' /etc/apt/sources.list && \
-    sed -i 's/security-cdn.debian.org/mirrors.aliyun.com/' /etc/apt/sources.list \
+    sed -i 's/deb.debian.org/mirrors.tuna.tsinghua.edu.cn/' /etc/apt/sources.list && \
+    sed -i 's/security.debian.org/mirrors.tuna.tsinghua.edu.cn/' /etc/apt/sources.list && \
+    sed -i 's/security-cdn.debian.org/mirrors.tuna.tsinghua.edu.cn/' /etc/apt/sources.list \
 ;fi
 
 # always run apt update when start and after add new source list, then clean up at end.
diff --git a/workspace/Dockerfile b/workspace/Dockerfile
index bfc6ac3..e62296f 100644
--- a/workspace/Dockerfile
+++ b/workspace/Dockerfile
@@ -33,9 +33,6 @@ USER root
 ARG CHANGE_SOURCE=false
 RUN if [ ${CHANGE_SOURCE} = true ]; then \
     # Change application source from deb.debian.org to aliyun source
-    sed -i 's/deb.debian.org/mirrors.tuna.tsinghua.edu.cn/' /etc/apt/sources.list; \
-    sed -i 's/security.debian.org/mirrors.tuna.tsinghua.edu.cn/' /etc/apt/sources.list; \
-    sed -i 's/security-cdn.debian.org/mirrors.tuna.tsinghua.edu.cn/' /etc/apt/sources.list; \
     sed -i 's/archive.ubuntu.com/mirrors.aliyun.com/g' /etc/apt/sources.list; \
   fi;