diff --git a/scripts/tags/about.js b/scripts/tags/about.js
index 9d1ee2b..352eac2 100644
--- a/scripts/tags/about.js
+++ b/scripts/tags/about.js
@@ -9,7 +9,6 @@
 
 'use strict';
 const url_for = require('hexo-util').url_for.bind(hexo);
-const i18n = require('hexo-i18n');
 
 hexo.extend.tag.register('about', function(args, content) {
   args = hexo.args.map(args, ['avatar', 'height', 'border', 'back']);
diff --git a/scripts/tags/navbar.js b/scripts/tags/navbar.js
index 61ff2b2..99ce4f4 100644
--- a/scripts/tags/navbar.js
+++ b/scripts/tags/navbar.js
@@ -49,7 +49,7 @@ hexo.extend.tag.register('navbar', function(args) {
     el += '</a>';
     return el;
   }
-  args.links.forEach((item, i) => {
+  (args.links || []).forEach((item, i) => {
     el += layoutItem(item, i);
   });
   el += '</nav></div>';