diff --git a/plugin/admin/app/controller/TeacherFreeTimeController.php b/plugin/admin/app/controller/TeacherFreeTimeController.php
index 16c1552..7079ad1 100644
--- a/plugin/admin/app/controller/TeacherFreeTimeController.php
+++ b/plugin/admin/app/controller/TeacherFreeTimeController.php
@@ -219,7 +219,7 @@ class TeacherFreeTimeController extends Crud
     {
         try {
             $data = $request->get();
-            $schedule_time = \app\common\model\TeacherFreeTime::where(['teacher_id' => $data['teacher_id']])
+            $schedule_time = \app\common\model\TeacherFreeTime::order('month desc')->where(['teacher_id' => $data['teacher_id']])
                 ->field('
                     teacher_id,
                     month,