删除盲盒转换的商品时，恢复原始类型

ch-dao/src/main/java/com/wwdz/ch/db/impl/ItemTagOperateRecordDaoImpl.java

@@ -34,4 +34,13 @@ public class ItemTagOperateRecordDaoImpl implements ItemTagOperateRecordDao {
         PageHelper.startPage(dto.getPage(), dto.getLimit());
         return itemTagOperateRecordMapper.selectByExampleWithBLOBs(example);
     }
+
+
+    @Override
+    public boolean isExisted(long itemId) {
+        ItemTagOperateRecordExample example = new ItemTagOperateRecordExample();
+        ItemTagOperateRecordExample.Criteria criteria = example.createCriteria();
+        criteria.andItemIdEqualTo(itemId);
+        return itemTagOperateRecordMapper.countByExample(example) > 0;
+    }
 }