diff --git a/src/main/java/com/spring/modules/part/service/impl/PartInformationServiceImpl.java b/src/main/java/com/spring/modules/part/service/impl/PartInformationServiceImpl.java
index b6b47397..46422b05 100644
--- a/src/main/java/com/spring/modules/part/service/impl/PartInformationServiceImpl.java
+++ b/src/main/java/com/spring/modules/part/service/impl/PartInformationServiceImpl.java
@@ -2508,7 +2508,9 @@ public class PartInformationServiceImpl extends ServiceImpl<PartInformationMappe
             bomHeader.setEffPhaseInDate(inData.getEffPhaseInDate());
             bomHeader.setEffPhaseOutDate(inData.getEffPhaseOutDate());
             bomHeader.setEngChgLevel(inData.getEngChgLevel());
-            bomHeader.setOfficialFlag("N");
+            // 正式物料（status=Y）：新建版本 BOM 头与默认替代的转正标识为 Y
+            String bomOfficialFlag = "Y".equals(partData.getStatus()) ? "Y" : "N";
+            bomHeader.setOfficialFlag(bomOfficialFlag);
             bomManagementMapper.saveBomHeader(bomHeader);
             // 创建默认替代*
             BomDetailEntity bomDetail = new BomDetailEntity();
@@ -2516,7 +2518,7 @@ public class PartInformationServiceImpl extends ServiceImpl<PartInformationMappe
             bomDetail.setAlternativeNo("*");
             bomDetail.setAlternativeDescription("*");
             bomDetail.setStatus("Tentative");
-            bomDetail.setOfficialFlag("N");
+            bomDetail.setOfficialFlag(bomOfficialFlag);
             bomManagementMapper.bomDetailSave(bomDetail);
         }