diff --git a/mhd_wms/src/main/java/com/mhd/wms/domain/receiptMaterialDetail/repository/persistence/ReceiptMaterialDetailImpl.java b/mhd_wms/src/main/java/com/mhd/wms/domain/receiptMaterialDetail/repository/persistence/ReceiptMaterialDetailImpl.java
index 6003a6070..f74ef0c0a 100644
--- a/mhd_wms/src/main/java/com/mhd/wms/domain/receiptMaterialDetail/repository/persistence/ReceiptMaterialDetailImpl.java
+++ b/mhd_wms/src/main/java/com/mhd/wms/domain/receiptMaterialDetail/repository/persistence/ReceiptMaterialDetailImpl.java
@@ -812,15 +812,19 @@ public class ReceiptMaterialDetailImpl extends ServiceImpl<ReceiptMaterialDetail
             attributeValue = attributeValue.trim();
             switch (batchLabels) {
                 case "扩展字段4":
+                case "扩展属性4":
                     receiptMaterialDetailDO.setExtAttr4(attributeValue);
                     break;
                 case "扩展字段3":
+                case "扩展属性3":
                     receiptMaterialDetailDO.setExtAttr3(attributeValue);
                     break;
                 case "扩展字段2":
+                case "扩展属性2":
                     receiptMaterialDetailDO.setExtAttr2(attributeValue);
                     break;
                 case "扩展字段1":
+                case "扩展属性1":
                     receiptMaterialDetailDO.setExtAttr1(attributeValue);
                     break;
                 case "箱号/卡板号":
diff --git a/mhd_wms/src/main/java/com/mhd/wms/domain/stockReceiptOrder/service/StockReceiptOrderDomainService.java b/mhd_wms/src/main/java/com/mhd/wms/domain/stockReceiptOrder/service/StockReceiptOrderDomainService.java
index f206a86e3..0bdfb1d36 100644
--- a/mhd_wms/src/main/java/com/mhd/wms/domain/stockReceiptOrder/service/StockReceiptOrderDomainService.java
+++ b/mhd_wms/src/main/java/com/mhd/wms/domain/stockReceiptOrder/service/StockReceiptOrderDomainService.java
@@ -916,7 +916,8 @@ public class StockReceiptOrderDomainService {
                     BeanUtils.copyProperties(receiptMaterialDetailDOChildren, shelfMaterialDetailDOChildren);
                     shelfMaterialDetailDOChildren.setQuantity(receiptMaterialDetailDOChildren.getReceiptQuantity());
                     shelfMaterialDetailDOChildren.setInUniqueId(receiptMaterialDetailDO.getInUniqueId());
-                    shelfMaterialDetailDOChildren.setReceiptUniqueId(receiptMaterialDetailDO.getUniqueId());
+                    // 子项使用自身的 uniqueId 作为 receiptUniqueId，以便正确关联 material_more_detail 中的扩展属性
+                    shelfMaterialDetailDOChildren.setReceiptUniqueId(receiptMaterialDetailDOChildren.getUniqueId());
                     shelfMaterialDetailDOChildren.setTotalArea(receiptMaterialDetailDOChildren.getTotalArea());
                     shelfMaterialDetailDOChildren.setTotalVolume(receiptMaterialDetailDOChildren.getTotalVolume());
                     shelfMaterialDetailDOChildren.setTotalNetWeight(receiptMaterialDetailDOChildren.getTotalNetWeight());
@@ -1052,7 +1053,8 @@ public class StockReceiptOrderDomainService {
                     BeanUtils.copyProperties(receiptMaterialDetailPOChildren, shelfMaterialDetailDOChildren);
                     shelfMaterialDetailDOChildren.setQuantity(receiptMaterialDetailPOChildren.getReceiptQuantity());
                     shelfMaterialDetailDOChildren.setInUniqueId(receiptMaterialDetailPO.getInUniqueId());
-                    shelfMaterialDetailDOChildren.setReceiptUniqueId(receiptMaterialDetailPO.getUniqueId());
+                    // 子项使用自身的 uniqueId 作为 receiptUniqueId，以便正确关联 material_more_detail 中的扩展属性
+                    shelfMaterialDetailDOChildren.setReceiptUniqueId(receiptMaterialDetailPOChildren.getUniqueId());
                     shelfMaterialDetailDOChildren.setTotalArea(receiptMaterialDetailPOChildren.getTotalArea());
                     shelfMaterialDetailDOChildren.setTotalVolume(receiptMaterialDetailPOChildren.getTotalVolume());
                     shelfMaterialDetailDOChildren.setTotalNetWeight(receiptMaterialDetailPOChildren.getTotalNetWeight());
@@ -1168,7 +1170,8 @@ public class StockReceiptOrderDomainService {
                         BeanUtils.copyProperties(receiptMaterialDetailDOChildren, shelfMaterialDetailDOChildren);
                         shelfMaterialDetailDOChildren.setQuantity(receiptMaterialDetailDOChildren.getReceiptQuantity());
                         shelfMaterialDetailDOChildren.setInUniqueId(receiptMaterialDetailPO.getInUniqueId());
-                        shelfMaterialDetailDOChildren.setReceiptUniqueId(receiptMaterialDetailPO.getUniqueId());
+                        // 子项使用自身的 uniqueId 作为 receiptUniqueId，以便正确关联 material_more_detail 中的扩展属性
+                        shelfMaterialDetailDOChildren.setReceiptUniqueId(receiptMaterialDetailDOChildren.getUniqueId());
                         // 传递生产日期、过期日期、存货日期、Batch Ref NO's、Sheet Ref NO's、箱号/卡板号、扩展属性1-4
                         shelfMaterialDetailDOChildren.setProductionDate(receiptMaterialDetailDOChildren.getProductionDate());
                         shelfMaterialDetailDOChildren.setExpiryDate(receiptMaterialDetailDOChildren.getExpiryDate());