update

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

@@ -3281,7 +3281,7 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
     }
 
     @Override
-    @Transactional(rollbackFor = Exception.class)
+    @Transactional(rollbackFor = Exception.class,propagation = Propagation.REQUIRED)
     public void mergeClassSplitClassAffirm(MergeClassSplitClassAffirmDto mergeClassSplitClassAffirmDto) {
         List<Integer> classGroupIds = mergeClassSplitClassAffirmDto.getClassGroupIds();
         if(classGroupIds == null || classGroupIds.size() == 0){