加个备注

web/src/main/java/com/ibeetl/jlw/entity/TeacherOpenCourse.java

@@ -79,6 +79,8 @@ public class TeacherOpenCourse extends BaseEntity{
     @InsertIgnore
     private Integer courseInfoCount;
 
+    // 开课课程学时
+
     @FetchSql("select sum(IFNULL(t.teacher_open_course_schedule_session_tag_duration, 0)) as course_hours " +
             "from teacher_open_course_schedule_session_snap t " +
             "where t.teacher_open_course_id = #teacherOpenCourseId# ")