diff --git a/src/main/java/com/xujie/sys/modules/part/service/impl/BomManagementServiceImpl.java b/src/main/java/com/xujie/sys/modules/part/service/impl/BomManagementServiceImpl.java
index f946fbac..9543636b 100644
--- a/src/main/java/com/xujie/sys/modules/part/service/impl/BomManagementServiceImpl.java
+++ b/src/main/java/com/xujie/sys/modules/part/service/impl/BomManagementServiceImpl.java
@@ -431,7 +431,14 @@ public class BomManagementServiceImpl extends ServiceImpl<BomManagementMapper, B
         if (components.size() > 1) {
             throw new RuntimeException("序号已存在!");
         }
+        // 更新BOM子物料
         bomManagementMapper.updateBomComponent(data);
+
+        // ✅ 如果包含 familyID，同时更新物料主数据的FamilyID
+        if (data.getFamilyID() != null && !data.getFamilyID().isEmpty()) {
+            partInformationMapper.updateFamilyId(data);
+        }
+
         // 查询bom子明细列表
         BomDetailEntity bomDetail = new BomDetailEntity();
         BeanUtils.copyProperties(data,bomDetail);