diff --git a/view-mode/function/ganttSettings.js b/view-mode/function/ganttSettings.js
index 03e5de8..4cb0c48 100644
--- a/view-mode/function/ganttSettings.js
+++ b/view-mode/function/ganttSettings.js
@@ -77,15 +77,6 @@ $(document).ready(function() {
                         }
                     }
                 }
-                else {
-                    // default
-                    // console.log('default');
-                    // $('#select_dayoff option[value="0"]').prop("selected", "selected"); // Sunday
-                    // $('#select_dayoff option[value="6"]').prop("selected", "selected"); // Saturday
-                    // $("#select_dayoff").choices.setValue([0, 6]);
-                    selectDayOffChoices.setChoiceByValue('0');
-                    selectDayOffChoices.setChoiceByValue('6');
-                }
             }
         }else{
             // closeDialog('failed upload')
diff --git a/view-mode/index.html b/view-mode/index.html
index 8600e81..76d766c 100644
--- a/view-mode/index.html
+++ b/view-mode/index.html
@@ -12,8 +12,8 @@
 
 	<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/bbbootstrap/libraries@main/choices.min.css">
 
-	<script src="../codebase/dhtmlxganttpro.js?v=7.1.8"></script>
-	<link rel="stylesheet" href="../codebase/dhtmlxgantt.css?v=7.1.8">
+	<script src="../codebase/dhtmlxgantt801.js?v=8.0.1"></script>
+	<link rel="stylesheet" href="../codebase/dhtmlxgantt801.css?v=8.0.1">
 	<link rel="stylesheet" href="https://cdn.datatables.net/1.11.3/css/jquery.dataTables.min.css">
 	<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css"
 		integrity="sha512-1ycn6IcaQQ40/MKBW2W4Rhis/DbILU74C1vSrLJxCq57o941Ym01SwNsOMqvEBFlcgUa6xLiPY/NS5R+E6ztJQ=="