update

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

@@ -1769,7 +1769,7 @@
         SELECT COUNT(*) FROM course_schedule WHERE class_group_id_=#{classGroupId} AND CONCAT(class_date_,' ',end_class_time_)<#{currentCourseDate} AND del_flag_ = 0
     </select>
     <select id="countCourseScheduleByMusicGroupId" resultType="java.lang.Integer">
-        SELECT count(cs.id_) FROM course_schedule cs WHERE cs.music_group_id_ = #{musicGroupId} and cs.group_type_ = 'MUSIC' and cs.status_ != 'OVER' LIMIT 1
+        SELECT count(cs.id_) FROM course_schedule cs WHERE cs.music_group_id_ = #{musicGroupId} and cs.group_type_ = 'MUSIC' and cs.status_ != 'OVER' AND del_flag_ = 0 LIMIT 1
     </select>
     <select id="findClassGroupCourseSchedules" resultMap="CourseSchedule">
         SELECT