错误代码修复

yudao-module-shipment/yudao-module-shipment-core/src/main/java/cn/iocoder/yudao/module/shipment/service/box/BoxServiceImpl.java

@@ -2183,7 +2183,7 @@ public class BoxServiceImpl extends AbstractService<BoxMapper, BoxDO> implements
             if (boxTallyDO != null) {
                 BeanUtils.copyProperties(boxTallyDO, boxTallyBackVO);
             }
-            Set<String> allWarehouseInAttrNameList = orderGoodsItemList.stream().map(BoxPreloadGoodsBackVO::getWarehouseInAttrNameList).collect(Collectors.toSet());
+            Set<String> allWarehouseInAttrNameList = orderGoodsItemList.stream().map(BoxPreloadGoodsBackVO::getWarehouseInAttrNameList).flatMap(List::stream).collect(Collectors.toSet());
             boxTallyBackVO.setAllWarehouseInAttrNameList(allWarehouseInAttrNameList);
             BoxPreloadGoodsBackVO boxPreloadGoodsDO = orderGoodsItemList.get(0);
             boxTallyBackVO.setAdvanceType(boxPreloadGoodsDO.getAdvanceType());