diff --git a/deb12/src/Dockerfile.base b/deb12/src/Dockerfile.base
index 89ad597..1c07da6 100644
--- a/deb12/src/Dockerfile.base
+++ b/deb12/src/Dockerfile.base
@@ -11,11 +11,14 @@ ENV \
 # mirrors.aliyun.com
 # mirrors.tencentyun.com
 ARG TARGETPLATFORM
-RUN export DOMAIN="mirrors.ustc.edu.cn"; \
-  rm -f /etc/apt/sources.list.d/debian.sources; \
-  test -z "$(echo $TARGETPLATFORM |grep arm)" && target=bookworm || target=bookworm-ports; \
-  echo "deb http://$DOMAIN/debian bookworm main contrib non-free" > /etc/apt/sources.list; \
-  echo "deb http://$DOMAIN/debian bookworm-updates main contrib non-free">> /etc/apt/sources.list; \
+# RUN export DOMAIN="mirrors.ustc.edu.cn"; \
+#   rm -f /etc/apt/sources.list.d/debian.sources; \
+#   test -z "$(echo $TARGETPLATFORM |grep arm)" && target=bookworm || target=bookworm-ports; \
+#   echo "deb http://$DOMAIN/debian bookworm main contrib non-free" > /etc/apt/sources.list; \
+#   echo "deb http://$DOMAIN/debian bookworm-updates main contrib non-free">> /etc/apt/sources.list; \
+
+# https://mirrors.ustc.edu.cn/help/debian.html
+RUN sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list.d/debian.sources; \
     \
   # default:echo -e;
   echo "path-exclude /usr/share/doc/*\n\