1、vip课列表增加字段；

2、vip课导出增加字段；
3、vip课加学员限制；
4、vip课休学限制；

mec-biz/src/main/java/com/ym/mec/biz/service/impl/VipGroupServiceImpl.java

@@ -1559,6 +1559,10 @@ public class VipGroupServiceImpl extends BaseServiceImpl<Long, VipGroup> impleme
 			courseScheduleTeacherSalaryService.updateVipGroupCourseTeacherSalary(vipGroupId.intValue(), vipGroup.getUserId());
 		}
 
+		classGroup.setStudentNum(classGroup.getStudentNum()-1);
+
+        classGroupDao.update(classGroup);
+
 		//学员退出班级群
 		ImGroupMember[] imGroupMembers = new ImGroupMember[]{new ImGroupMember(studentId.toString())};
 		imFeignService.groupQuit(new ImGroupModel(classGroup.getId().toString(), imGroupMembers, null));