diff --git a/themes/bit-badger/layout/_partial/head.pug b/themes/bit-badger/layout/_partial/head.pug
index b633e36..ae79d03 100644
--- a/themes/bit-badger/layout/_partial/head.pug
+++ b/themes/bit-badger/layout/_partial/head.pug
@@ -2,6 +2,7 @@ head
   meta(charset='utf-8')
   meta(http-equiv='X-UA-Compatible' content='IE=edge')
   meta(name='viewport' content='width=device-width, initial-scale=1')
+  meta(name='generator' content='Hexo v' + env.version)
   title: block title
   link(rel='stylesheet' href='/style.css')
   link(rel='canonical' href=config.url + url_for(page.path.replace('index.html', '')))