update version

_config.yml

@@ -1,11 +1,11 @@
 ############################### Basic Information ###############################
 info:
   name: Volantis
-  version: '2.1.1'
+  version: '2.1.2'
   docs: https://volantis.js.org/
   cdn: # To use CDN, write 'use_cdn: true' in 'blog/_config.yml'.
-    # css: https://cdn.jsdelivr.net/gh/xaoxuu/cdn-volantis@2.1.1.1/css/style.css
-    js: https://cdn.jsdelivr.net/gh/xaoxuu/cdn-volantis@2.1.1/js/app.js
+    css: https://cdn.jsdelivr.net/gh/xaoxuu/cdn-volantis@2.1.2/css/style.css
+    js: https://cdn.jsdelivr.net/gh/xaoxuu/cdn-volantis@2.1.2/js/app.js
 
 
 ############################### Style ###############################
@@ -402,7 +402,7 @@ plugins:
 
   # mathjax
   mathjax: https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js
-  
+
   ######## Plugins for SEO:
   # Traffic statistics (very slow loading)
   busuanzi: https://cdn.jsdelivr.net/gh/xaoxuu/cdn-busuanzi@2.3/js/busuanzi.pure.mini.js