diff --git a/_data/product_version.yml b/_data/product_version.yml
index fceef12..da30844 100644
--- a/_data/product_version.yml
+++ b/_data/product_version.yml
@@ -2,6 +2,7 @@ useGroupedVersion: true
 
 version_info_list:
   - value: latest version(3.0.0)
+  - value: 3.x
   - value: 2.x
     child:
       - 2.1