diff --git a/_data/mirror_desc.json b/_data/mirror_desc.json
index 72d2682..942380b 100644
--- a/_data/mirror_desc.json
+++ b/_data/mirror_desc.json
@@ -119,6 +119,10 @@
     "name": "blackarch",
     "desc": "用于安全评估的基于 Arch Linux 的轻量级发行版"
   },
+  {
+    "name": "cc",
+    "desc": "CERN CentOS"
+  },
   {
     "name": "centos",
     "desc": "CentOS 的安装镜像和官方软件包仓库"