diff --git a/app/common/service/SendMsgCronJobService.php b/app/common/service/SendMsgCronJobService.php
index b073dd4..4ce8c96 100644
--- a/app/common/service/SendMsgCronJobService.php
+++ b/app/common/service/SendMsgCronJobService.php
@@ -17,6 +17,30 @@ class SendMsgCronJobService
     const TEACHER_SCHEDULE_TIME_PUBLISH_STUDENT = 'teacher_schedule_time_publish_to_teacher';
 
 
+    /**
+     * 通知类型
+     */
+    const SCHEDULE_TIME_PUBLISH_TO_TEACHER = 'schedule_time_publish_to_teacher';
+    const SCHEDULE_TIME_PUBLISH_TO_STUDENT = 'schedule_time_publish_to_student';
+    const CLASS_BEGIN_NOTIFY_TEACHER = 'class_begin_notify_teacher';
+    const SUBJECT_UPLOAD_NOTIFY_ADMIN = 'subject_upload_notify_admin';
+    const SUBJECT_VERSION_UPLOAD_NOTIFY_STUDENT = 'subject_version_upload_notify_student';
+    const STUDENT_UPLOAD_HOMEWORK_NOTIFY_TEACHER = 'student_upload_homework_notify_teacher';
+    const ADMIN_NOTIFY_STUDENT_SCHEDULE_TIME = 'admin_notify_student_schedule_time';
+    const ADMIN_NOTIFY_TEACHER_SUBMIT_FREE_TIME = 'admin_notify_teacher_submit_free_time';
+
+
+    const MSG_TYPE = [
+        'schedule_time_publish_to_teacher' => '课程时间发布通知教师',//后台分配好课程时间之后发布时发送
+        'schedule_time_publish_to_student' => '课程安排学生发布通知学生',//课程时间选好学生发布之后发送
+        'class_begin_notify_teacher' => '课程开始前一天通知教师',//课程开始前一天通知教师
+        'subject_upload_notify_admin' => '教师上传课程作业通知管理员',//教师上传课程作业之后通知管理员
+        'subject_version_upload_notify_student' => '课程作业翻译后通知学生',//课程作业管理员翻译发布之后通知学生
+        'student_upload_homework_notify_teacher' => '学生上传课程作业通知教师',//学生上传课程作业之后通知教师
+        'admin_notify_student_schedule_time' => '管理员通知学生上课时间',//管理员通知学生上课时间确定提醒
+        'admin_notify_teacher_submit_free_time' => '管理员通知教师上传空闲时间',//管理员通知教师上传空闲时间
+    ];
+
     /**
      * 排课成功通知
      * @param $teacher_schedule_time_id
@@ -405,13 +429,12 @@ class SendMsgCronJobService
     }
 
 
-
     public function studentScheduleConfirmNotifyTeacher($student_schedule_id)
     {
         try {
-            $student_schedule = StudentSchedule::where(['id'=>$student_schedule_id, 'is_publish'=>1])->with(['teacher', 'student', 'subject'])->findOrEmpty();
+            $student_schedule = StudentSchedule::where(['id' => $student_schedule_id, 'is_publish' => 1])->with(['teacher', 'student', 'subject'])->findOrEmpty();
 
-            if($student_schedule->isEmpty()){
+            if ($student_schedule->isEmpty()) {
                 throw new Exception('未找到');
             }
 
@@ -455,7 +478,7 @@ class SendMsgCronJobService
                 'data' => [],
                 'msg' => 'success'
             ];
-        }catch (Exception $e){
+        } catch (Exception $e) {
             return [
                 'code' => ResponseCode::FAIL,
                 'msg' => $e->getMessage()