diff --git a/public/assets/js/backend/school/classes/classes_spec.js b/public/assets/js/backend/school/classes/classes_spec.js
index 8dfd38c..8748843 100755
--- a/public/assets/js/backend/school/classes/classes_spec.js
+++ b/public/assets/js/backend/school/classes/classes_spec.js
@@ -1,4 +1,4 @@
-define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefined, Backend, Table, Form) {
+define(['jquery', 'bootstrap', 'backend', 'csmtable', 'form'], function ($, undefined, Backend, Table, Form) {
 
     var Controller = {
         index: function () {
@@ -24,6 +24,7 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
                 sortName: 'weigh',
                 fixedColumns: true,
                 fixedRightNumber: 1,
+                asyndownload: true,
                 columns: [
                     [
                         {checkbox: true},