Merge remote-tracking branch 'origin/dev/3.1_release_merge' into dev/3.1_release_merge

src/main/java/com/ai/da/service/impl/CollectionElementServiceImpl.java

@@ -524,7 +524,7 @@ public class CollectionElementServiceImpl extends ServiceImpl<CollectionElementM
             elementVO.setPrintBoardElements(printBoardElements);
             if (!CollectionUtils.isEmpty(printBoardIds)) {
                 // 从数据库批量查询printBoard元素
-                printBoardElements = collectionElementMapper.selectBatchIds(printBoardIds);
+                printBoardElements.addAll(collectionElementMapper.selectBatchIds(printBoardIds));
                 // 验证查询结果的完整性
                 if (CollectionUtil.isEmpty(printBoardElements) || printBoardElements.size() != printBoardIds.size()) {
                     throw new BusinessException("get.printBoards.data.is.mismatch");