diff --git a/frontend/src/components/dirent-list-view/dirent-list-item.js b/frontend/src/components/dirent-list-view/dirent-list-item.js
index ae39cab9e4..59338ef9d8 100644
--- a/frontend/src/components/dirent-list-view/dirent-list-item.js
+++ b/frontend/src/components/dirent-list-view/dirent-list-item.js
@@ -346,7 +346,7 @@ class DirentListItem extends React.Component {
   }
 
   onItemDragStart = (e) => {
-    if (Utils.isIEBrower()) { // is ie <= ie11 not include edage
+    if (Utils.isIEBrower()) {
       return false;
     }
     let nodeRootPath = '';
@@ -362,7 +362,7 @@ class DirentListItem extends React.Component {
   }
 
   onItemDragEnter = () => {
-    if (Utils.isIEBrower()) { // is ie <= ie11 not include edage
+    if (Utils.isIEBrower()) {
       return false;
     }
     if (this.props.dirent.type === 'dir') {
@@ -371,7 +371,7 @@ class DirentListItem extends React.Component {
   }
   
   onItemDragOver = (e) => {
-    if (Utils.isIEBrower()) { // is ie <= ie11 not include edage
+    if (Utils.isIEBrower()) {
       return false;
     }
     e.preventDefault();
@@ -379,14 +379,14 @@ class DirentListItem extends React.Component {
   }
 
   onItemDragLeave = () => {
-    if (Utils.isIEBrower()) { // is ie <= ie11 not include edage
+    if (Utils.isIEBrower()) {
       return false;
     }
     this.setState({isDropTipshow: false});
   }
 
   onItemDragDrop = (e) => {
-    if (Utils.isIEBrower()) { // is ie <= ie11 not include edage
+    if (Utils.isIEBrower()) {
       return false;
     }
     this.setState({isDropTipshow: false});
diff --git a/frontend/src/utils/utils.js b/frontend/src/utils/utils.js
index d25ef82ab3..9a80b81266 100644
--- a/frontend/src/utils/utils.js
+++ b/frontend/src/utils/utils.js
@@ -229,7 +229,7 @@ export const Utils = {
       navigator.userAgent.indexOf('Chrome') > -1;
   },
 
-  isIEBrower: function() {
+  isIEBrower: function() { // is ie <= ie11 not include Edge
     var userAgent = navigator.userAgent;
     var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1;
     var isIE11 = userAgent.indexOf('Trident') > -1 && userAgent.indexOf("rv:11.0") > -1;