修改进行中乐团插入学生缴费，回调处理

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

@@ -58,7 +58,7 @@
 		DELETE FROM class_group_student_mapper WHERE id_ = #{id} 
 	</delete>
     <delete id="deleteByClassId">
-        UPDATE class_group_student_mapper SET status_='QUIT' WHERE class_group_id_ = #{classGroupId} AND status_='NORMAL'
+        UPDATE class_group_student_mapper SET status_='QUIT' WHERE class_group_id_ = #{classGroupId} AND status_='NORMAL' AND group_type_='MUSIC'
     </delete>
 
     <!-- 分页查询 -->