diff --git a/mhd_wms/src/main/java/com/mhd/wms/application/service/stockReceiptOrder/StockReceiptOrderApplicationService.java b/mhd_wms/src/main/java/com/mhd/wms/application/service/stockReceiptOrder/StockReceiptOrderApplicationService.java
index 0c1b2d9fd..b7d62b5c8 100644
--- a/mhd_wms/src/main/java/com/mhd/wms/application/service/stockReceiptOrder/StockReceiptOrderApplicationService.java
+++ b/mhd_wms/src/main/java/com/mhd/wms/application/service/stockReceiptOrder/StockReceiptOrderApplicationService.java
@@ -31,6 +31,8 @@ import com.mhd.wms.domain.materialGoodsRule.repository.po.MaterialGoodsRulePO;
 import com.mhd.wms.domain.materialWarehouseControl.repository.facade.IMaterialWarehouseControlService;
 import com.mhd.wms.domain.materialWarehouseControl.repository.po.MaterialWarehouseControlPO;
 import com.mhd.wms.domain.materialMoreDetail.repository.po.MaterialMoreDetailPO;
+import com.mhd.wms.domain.materialMoreDetail.repository.todo.MaterialMoreDetailDO;
+import com.mhd.wms.domain.materialMoreDetail.service.MaterialMoreDetailDomainService;
 import com.mhd.wms.domain.receiptMaterialDetail.repository.po.ReceiptMaterialDetailPO;
 import com.mhd.wms.domain.receiptMaterialDetail.repository.todo.ReceiptMaterialDetailDO;
 import com.mhd.wms.domain.receiptMaterialDetail.service.ReceiptMaterialDetailDomainService;
@@ -82,6 +84,8 @@ public class StockReceiptOrderApplicationService {
     private IMaterialGoodsRuleService materialGoodsRuleService;
     @Autowired
     private SystemServiceFeign systemServiceFeign;
+    @Autowired
+    private MaterialMoreDetailDomainService materialMoreDetailDomainService;
 
     @Autowired
     private UserServiceFeign userServiceFeign;
@@ -519,10 +523,36 @@ public class StockReceiptOrderApplicationService {
                         }
                         // 只有当获取到值时才更新attributeValue（避免覆盖已有的值）
                         if (fieldValue != null) {
-                            materialMoreDetailPO.setAttributeValue(fieldValue);
-                            log.info("设置更多属性：batchDetailId={}, batchLabels={}, attributeValue={}", 
-                                    materialMoreDetailPO.getBatchDetailId(), materialMoreDetailPO.getBatchLabels(), 
-                                    materialMoreDetailPO.getAttributeValue());
+                            // 扩展属性1-4：优先使用 material_more_detail 的值（按 material_detail_unique_id 存储，每个明细独立）
+                            // 避免从 ReceiptMaterialDetailPO 反射取值（主项/子项可能共用 in_unique_id，导致取到同一 in_material_detail 的错误值）
+                            boolean isExtAttr = usedFieldName != null && (
+                                    "ext_attr_1".equalsIgnoreCase(usedFieldName) || "extAttr1".equals(usedFieldName)
+                                    || "ext_attr_2".equalsIgnoreCase(usedFieldName) || "extAttr2".equals(usedFieldName)
+                                    || "ext_attr_3".equalsIgnoreCase(usedFieldName) || "extAttr3".equals(usedFieldName)
+                                    || "ext_attr_4".equalsIgnoreCase(usedFieldName) || "extAttr4".equals(usedFieldName));
+                            if (isExtAttr) {
+                                // 扩展属性：优先从 material_more_detail 表查询（按 material_detail_unique_id + batch_detail_id）
+                                String attrFromDb = getExtAttrFromMaterialMoreDetail(receiptMaterialDetailPO.getUniqueId(), batchDetailFeignPO.getBatchDetailId());
+                                if (StringUtils.isNotBlank(attrFromDb)) {
+                                    materialMoreDetailPO.setAttributeValue(attrFromDb);
+                                    log.debug("扩展属性 batchDetailId={}, 使用 material_more_detail 的值={}", 
+                                            materialMoreDetailPO.getBatchDetailId(), attrFromDb);
+                                } else if (StringUtils.isNotBlank(materialMoreDetailPO.getAttributeValue())) {
+                                    // 已有值（来自 queryListChildren 的 merge）则保留
+                                    log.debug("扩展属性 batchDetailId={}, 保留已有值={}", 
+                                            materialMoreDetailPO.getBatchDetailId(), materialMoreDetailPO.getAttributeValue());
+                                } else {
+                                    materialMoreDetailPO.setAttributeValue(fieldValue);
+                                    log.info("设置更多属性：batchDetailId={}, batchLabels={}, attributeValue={}（无 material_more_detail 时用反射值）", 
+                                            materialMoreDetailPO.getBatchDetailId(), materialMoreDetailPO.getBatchLabels(), 
+                                            materialMoreDetailPO.getAttributeValue());
+                                }
+                            } else {
+                                materialMoreDetailPO.setAttributeValue(fieldValue);
+                                log.info("设置更多属性：batchDetailId={}, batchLabels={}, attributeValue={}", 
+                                        materialMoreDetailPO.getBatchDetailId(), materialMoreDetailPO.getBatchLabels(), 
+                                        materialMoreDetailPO.getAttributeValue());
+                            }
                         }
                     }
                 }
@@ -539,6 +569,29 @@ public class StockReceiptOrderApplicationService {
         });
     }
     
+    /**
+     * 从 material_more_detail 表查询扩展属性值（按 material_detail_unique_id + batch_detail_id）
+     * 用于 PC 端正确显示每个明细独立的扩展属性，避免主项/子项共用 in_unique_id 导致取错值
+     */
+    private String getExtAttrFromMaterialMoreDetail(Long materialDetailUniqueId, Long batchDetailId) {
+        if (materialDetailUniqueId == null || batchDetailId == null) {
+            return null;
+        }
+        try {
+            MaterialMoreDetailDO do_ = new MaterialMoreDetailDO();
+            do_.setMaterialDetailUniqueId(materialDetailUniqueId);
+            do_.setBatchDetailId(batchDetailId);
+            List<MaterialMoreDetailPO> list = materialMoreDetailDomainService.queryList(do_);
+            if (!CollectionUtils.isEmpty(list) && StringUtils.isNotBlank(list.get(0).getAttributeValue())) {
+                return list.get(0).getAttributeValue();
+            }
+        } catch (Exception e) {
+            log.warn("查询 material_more_detail 扩展属性失败，materialDetailUniqueId={}, batchDetailId={}，错误：{}", 
+                    materialDetailUniqueId, batchDetailId, e.getMessage());
+        }
+        return null;
+    }
+    
     /**
      * 递归填充明细行的物料单位信息、包装规格（如果为空）
      * @param receiptMaterialDetailPOList 收货物料明细列表