diff --git a/app/common/service/StudentHomeworkService.php b/app/common/service/StudentHomeworkService.php
index b28f71a..6bc31e8 100644
--- a/app/common/service/StudentHomeworkService.php
+++ b/app/common/service/StudentHomeworkService.php
@@ -40,7 +40,12 @@ class StudentHomeworkService
 
             $data = $request->post();
 
-            $subject_homework = SubjectHomework::where(['id' => $data['subject_homework_id'], 'is_publish' => 1])->findOrEmpty();
+            $student_schedule = StudentSchedule::where(['id' => $data['subject_homework_id']])->findOrEmpty();
+            if($student_schedule->isEmpty()){
+                throw new Exception('未找到学生排课信息');
+            }
+
+            $subject_homework = SubjectHomework::where(['teacher_schedule_time_id' => $student_schedule->teacher_schedule_time_id, 'is_publish' => 1])->findOrEmpty();
             if ($subject_homework->isEmpty()) {
                 throw new Exception('老师还未布置课程作业');
             }