diff --git a/frontend/sources.list b/frontend/sources.list
index a9c2a4ff..55420106 100644
--- a/frontend/sources.list
+++ b/frontend/sources.list
@@ -1,8 +1,6 @@
-deb http://mirrors.163.com/debian/ jessie main non-free contrib
-deb http://mirrors.163.com/debian/ jessie-updates main non-free contrib
-deb http://mirrors.163.com/debian/ jessie-backports main non-free contrib
-deb-src http://mirrors.163.com/debian/ jessie main non-free contrib
-deb-src http://mirrors.163.com/debian/ jessie-updates main non-free contrib
-deb-src http://mirrors.163.com/debian/ jessie-backports main non-free contrib
-deb http://mirrors.163.com/debian-security/ jessie/updates main non-free contrib
-deb-src http://mirrors.163.com/debian-security/ jessie/updates main non-free contrib
+deb http://mirrors.aliyun.com/debian wheezy main contrib non-free
+deb-src http://mirrors.aliyun.com/debian wheezy main contrib non-free
+deb http://mirrors.aliyun.com/debian wheezy-updates main contrib non-free
+deb-src http://mirrors.aliyun.com/debian wheezy-updates main contrib non-free
+deb http://mirrors.aliyun.com/debian-security wheezy/updates main contrib non-free
+deb-src http://mirrors.aliyun.com/debian-security wheezy/updates main contrib non-free