diff --git a/include/style/codeblock.styl b/include/style/codeblock.styl
index 0cae04f..c55d045 100644
--- a/include/style/codeblock.styl
+++ b/include/style/codeblock.styl
@@ -13,7 +13,7 @@ figure.highlight
     &.folded
         .highlight-body
             height: 0
-    
+
     .copy
         opacity: .7
 
@@ -90,6 +90,10 @@ figure.highlight
         min-width: inherit
         border-radius: inherit
 
+figure.highlight.foldable
+  div.level-left
+    cursor: pointer  // clicking the codeblock filename can toggle folding 
+
 /* ---------------------------------
  *        Fix Gist Snippet
  * --------------------------------- */
diff --git a/package.json b/package.json
index 177249f..2905905 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hexo-theme-icarus",
-  "version": "5.0.0-rc.1",
+  "version": "5.0.1",
   "author": "ppoffice <ppoffice@users.noreply.github.com>",
   "license": "MIT",
   "description": "A simple, delicate, and modern theme for Hexo",
@@ -30,7 +30,7 @@
     "bulma-stylus": "0.8.0",
     "deepmerge": "^4.2.2",
     "hexo": "^6.0.0",
-    "hexo-component-inferno": "^1.1.0",
+    "hexo-component-inferno": "^1.2.0",
     "hexo-log": "^3.0.0",
     "hexo-pagination": "^2.0.0",
     "hexo-renderer-inferno": "^0.1.3",
diff --git a/source/js/main.js b/source/js/main.js
index 7f46128..76891f5 100644
--- a/source/js/main.js
+++ b/source/js/main.js
@@ -98,6 +98,8 @@
 
         if (fold) {
             $('figure.highlight').each(function() {
+                $(this).addClass('foldable'); // add 'foldable' class as long as fold is enabled
+
                 if ($(this).find('figcaption').find('span').length > 0) {
                     const span = $(this).find('figcaption').find('span');
                     if (span[0].innerText.indexOf('>folded') > -1) {
@@ -111,7 +113,7 @@
                 toggleFold(this, fold === 'folded');
             });
 
-            $('figure.highlight figcaption .fold').click(function() {
+            $('figure.highlight figcaption .level-left').click(function() {
                 const $code = $(this).closest('figure.highlight');
                 toggleFold($code.eq(0), !$code.hasClass('folded'));
             });