diff --git a/source/js/scroll.js b/source/js/scroll.js
index e14bc8dcb2c0b8f092e4baf6f166ce96e23c90c3..67a241f94445275330f34fb1845de90e569f9412 100644
--- a/source/js/scroll.js
+++ b/source/js/scroll.js
@@ -92,7 +92,7 @@ $(document).ready(function () {
       .on('click', function () {
         scrollHeadingToTop('#' + $(this).attr('id'));
       });
-  
+
     // Click the post toc.
     $('.toc-link').on('click', function (e) {
       e.preventDefault();
diff --git a/source/js/sidebar.js b/source/js/sidebar.js
index 877f2c15e901b10900e342931529c76f193a69b3..c997fb6d5c28fa75f77d86b4dd1a2468efd47a08 100644
--- a/source/js/sidebar.js
+++ b/source/js/sidebar.js
@@ -149,21 +149,21 @@ $(document).ready(function () {
     $('.sidebar-nav-toc').on('click', function () {
       $('.sidebar-nav-toc').toggleClass('current');
       $('.sidebar-nav-overview').toggleClass('current');
-  
+
       $tocWrapper.css('display', 'block');
       $tocWrapper.velocity('fadeIn');
-  
+
       $view.css('display', 'none');
       $view.velocity('fadeOut');
     });
-  
+
     $('.sidebar-nav-overview').on('click', function () {
       $('.sidebar-nav-toc').toggleClass('current');
       $('.sidebar-nav-overview').toggleClass('current');
-  
+
       $tocWrapper.css('display', 'none');
       $tocWrapper.velocity('fadeOut');
-  
+
       $view.css('display', 'block');
       $view.velocity('fadeIn');
     });
diff --git a/source/js/stun-boot.js b/source/js/stun-boot.js
index d25a72daa97664c2ad58992fab01d729402e4d14..7345503bd6509a599e78cb6fa49c628f1d9350b0 100644
--- a/source/js/stun-boot.js
+++ b/source/js/stun-boot.js
@@ -1,5 +1,5 @@
 $(document).ready(function () {
-  CONFIG.shortcuts.switch_post && Stun.utils.registerSwitchPost();
+  CONFIG.shortcuts.switch_post && Stun.utils.registerHotkeyToSwitchPost();
 
   // Not reload this, because it's changeless.
   if (CONFIG.external_link) {
@@ -7,11 +7,12 @@ $(document).ready(function () {
   }
 
   Stun.utils.pjaxReloadBoot = function () {
+    this.initTocDisplay();
     this.addCopyButtonToCopyright();
     this.registerCopyEvent();
     CONFIG.reward && this.registerShowReward();
-    CONFIG.gallery_waterfall && this.galleryWaterFall();
-    CONFIG.lazyload && this.lazyLoadImages();
+    CONFIG.gallery_waterfall && this.showImageToWaterfall();
+    CONFIG.lazyload && this.lazyLoadImage();
 
     if (CONFIG.external_link) {
       var WRAPPER = '.archive-inner, .post-title';
diff --git a/source/js/utils.js b/source/js/utils.js
index 3c4c82f1cdec073a9623723fc40f1e4cb6d711ab..5e61d33996c7534d54747782fdfd088d0ad45c96 100644
--- a/source/js/utils.js
+++ b/source/js/utils.js
@@ -174,6 +174,13 @@ Stun.utils = Stun.$u = {
       return false;
     }
   },
+  initTocDisplay: function () {
+    if ($('.post-body').find('h1,h2,h3,h4,h5,h6')[0]) return;
+
+    $('.sidebar-nav').addClass('hide');
+    $('.sidebar-toc').addClass('hide');
+    $('.sidebar-overview').removeClass('hide');
+  },
   // Wrap images with fancybox support.
   wrapImageWithFancyBox: function () {
     $('.content img').not(':hidden').each(function () {
@@ -223,7 +230,7 @@ Stun.utils = Stun.$u = {
     });
   },
   // Display the image in the gallery as a waterfall.
-  galleryWaterFall: function () {
+  showImageToWaterfall: function () {
     var gConfig = CONFIG.gallery_waterfall;
     var colWidth = parseInt(gConfig.col_width);
     var colGapX = parseInt(gConfig.gap_x);
@@ -239,7 +246,7 @@ Stun.utils = Stun.$u = {
     });
   },
   // Lazy load the images of post.
-  lazyLoadImages: function () {
+  lazyLoadImage: function () {
     $('img.lazyload').lazyload();
   },
   // Add a mark icon to the link with `target="_blank"` attribute.
@@ -260,7 +267,7 @@ Stun.utils = Stun.$u = {
       .append($icon);
   },
   // Switch to the prev / next post by shortcuts.
-  registerSwitchPost: function () {
+  registerHotkeyToSwitchPost: function () {
     var _this = this;
 
     $(document).on('keydown', function (e) {