diff --git a/_config.yml b/_config.yml
index dc6dbeb..32dca70 100644
--- a/_config.yml
+++ b/_config.yml
@@ -192,3 +192,16 @@ copyright_info:
 # ---------------------------------------------------------------------------------------
 footer:
   since: 2020
+
+
+# ---------------------------------------------------------------------------------------
+# CDN
+# ---------------------------------------------------------------------------------------
+cdn:
+  enable: true
+
+
+# ---------------------------------------------------------------------------------------
+# Keep version (Please don't modify)
+# ---------------------------------------------------------------------------------------
+version: 3.0.0