diff --git a/source/js/main.js b/source/js/main.js
index 7f1e7ca..82d9150 100644
--- a/source/js/main.js
+++ b/source/js/main.js
@@ -277,7 +277,7 @@ document.addEventListener('DOMContentLoaded', function () {
     const isChatBtnHide = typeof chatBtnHide === 'function'
     const isChatBtnShow = typeof chatBtnShow === 'function'
 
-    const scroolTask = btf.throttle(() => {
+    const scrollTask = btf.throttle(() => {
         const currentTop = window.scrollY || document.documentElement.scrollTop
         const isDown = scrollDirection(currentTop)
         if (currentTop > 56) {