diff --git a/assets/javascripts/app.js b/assets/javascripts/app.js
index 3c63a2b..9133745 100644
--- a/assets/javascripts/app.js
+++ b/assets/javascripts/app.js
@@ -52,7 +52,7 @@
       $('.layout-header').css('height', '');
       var scrollTop = $(window).scrollTop();
       if (!window.has_topest_banner){
-        $('.kenjohn').removeClass('navFixed').addClass('navRel');
+        $('.kenjohn').removeClass('navFixed').addClass('navRel'); /* 正常選單固定效果 */
       }else if (scrollTop>5) {          /* 要滑動到選單的距離 */
         if (parseInt($('.layout-content').css('margin-top'))==0 && $('.layout-content.topcontent').length != 0 && $('.layout-content.topcontent').offset().top<400){
           $('.layout-content').css('margin-top',$('.kenjohn').height()-$('#orbit-bar').height());