1、课程冲突错误信息优化

mec-biz/src/main/resources/config/mybatis/CourseScheduleMapper.xml

@@ -1267,9 +1267,11 @@
     <select id="findByClassDate" resultMap="CourseSchedule">
       SELECT
             cs.id_,
+            cs.music_group_id_,
             cs.class_group_id_,
             CONCAT(cs.class_date_,' ',cs.start_class_time_) start_class_time_,
             CONCAT(cs.class_date_,' ',cs.end_class_time_) end_class_time_,
+            cs.type_,
             cs.actual_teacher_id_
         FROM
             course_schedule cs