Training2DraftService优化

src/main/java/club/joylink/rtss/services/training2/Training2DraftService.java

@@ -125,6 +125,7 @@ public class Training2DraftService {
     /**
      * 重置用户实训草稿的初始背景
      */
+    @Transactional(rollbackFor = Exception.class)
     public void resetTrainingBackground(ResetTraining2BackgroudReqVo req, Long userId) {
         DraftTraining2Example example = new DraftTraining2Example();
         example.createCriteria().andCreatorIdEqualTo(userId).andIdEqualTo(req.getId());