feat：1212活动

mec-student/src/main/java/com/ym/mec/student/controller/DegreeController.java

@@ -102,6 +102,7 @@ public class DegreeController extends BaseController {
             return failed(HttpStatus.FORBIDDEN,"请登录");
         }
         degreeRegistration.setUserId(user.getId());
+        degreeRegistration.setActivityTag(DegreeRegistrationService.ACTIVITY_TAG);
         studentDao.getLocked(degreeRegistration.getUserId());
         DegreeRegistration degree = degreeRegistrationDao.getWithLevel(degreeRegistration);
         if(Objects.nonNull(degree) && degree.getStatus().equals(2)){