fix

cooleshow-user/user-biz/src/main/java/com/yonge/cooleshow/biz/dal/service/impl/CourseGroupServiceImpl.java

@@ -1567,6 +1567,8 @@ public class CourseGroupServiceImpl extends ServiceImpl<CourseGroupDao, CourseGr
             } else {
                 //人数未达标则修改课程组为取消状态
                 courseGroup.setStatus(CourseGroupEnum.CANCEL.getCode());
+                courseGroup.setPreStudentNum(0);
+                courseGroup.setLockNum(0);
                 //更新课程组下课程状态为取消
                 courseScheduleService.update(Wrappers.<CourseSchedule>lambdaUpdate()
                         .eq(CourseSchedule::getCourseGroupId, courseGroup.getId())