diff --git a/plugin/admin/app/controller/TeacherScheduleTimeController.php b/plugin/admin/app/controller/TeacherScheduleTimeController.php
index 485e37e..6a12c01 100644
--- a/plugin/admin/app/controller/TeacherScheduleTimeController.php
+++ b/plugin/admin/app/controller/TeacherScheduleTimeController.php
@@ -572,7 +572,7 @@ class TeacherScheduleTimeController extends Crud
             $is_publish = $request->get('is_publish');
 
 
-            $summary = \app\common\model\TeacherScheduleTime::order('ts.start_time asc')->alias('ts')
+            $query = \app\common\model\TeacherScheduleTime::order('ts.start_time asc')->alias('ts')
                 ->leftJoin('teacher t', 'ts.teacher_id = t.id')
                 ->leftJoin('student_schedule ss', 'ts.id = ss.teacher_schedule_time_id and t.id = ss.teacher_id')
                 ->leftJoin('subject sb', 'ts.subject_id = sb.id')
@@ -592,9 +592,10 @@ class TeacherScheduleTimeController extends Crud
                 ')
                 ->group('ts.id');
             if($request->get('teacher_id')){
-                $summary->where('ts.teacher_id', $request->get('teacher_id'));
+                $query->where('ts.teacher_id', $request->get('teacher_id'));
             }
-            $summary->select()->toArray();
+            $summary = $query->select()->toArray();
+            
 
             $export_data = [];
             foreach ($summary as $item) {