diff --git a/src/main/java/com/spring/modules/quote/service/impl/QuoteDetailBomTreeServiceImpl.java b/src/main/java/com/spring/modules/quote/service/impl/QuoteDetailBomTreeServiceImpl.java
index 0fc55776..9c070b56 100644
--- a/src/main/java/com/spring/modules/quote/service/impl/QuoteDetailBomTreeServiceImpl.java
+++ b/src/main/java/com/spring/modules/quote/service/impl/QuoteDetailBomTreeServiceImpl.java
@@ -374,7 +374,13 @@ public class QuoteDetailBomTreeServiceImpl extends ServiceImpl<QuoteDetailBomTre
         detail.setUpdateBy(quoteDetail.getUpdateBy());
         detail.setUpdateDate(quoteDetail.getUpdateDate());
         List<QuoteDetailBomTree> list = queryDetailBomTree(detail);
-        loopTree(list,quoteDetail,0L);
+        
+        // 创建老ID到新ID的映射关系
+        Map<Long, Long> oldToNewIdMapping = new HashMap<>();
+        loopTree(list, quoteDetail, 0L, oldToNewIdMapping);
+        
+        // 复制完成后，更新BOM明细中的bomId引用
+        updateBomIdReferencesWithCorrectLogic(quoteDetail.getId(), oldToNewIdMapping);
     }
 
     private void loopTree (List<QuoteDetailBomTree> list,QuoteDetail quoteDetail,Long parentId){
@@ -389,15 +395,64 @@ public class QuoteDetailBomTreeServiceImpl extends ServiceImpl<QuoteDetailBomTre
                 long id = tree.getId();
                 tree.setId(null);
                 save(tree);
+
                 // 调用Bom的again方
-                quoteDetailBomService.againQuoteDetailBom(tree,id);
+                quoteDetailBomService.againQuoteDetailBom(tree, id);
                 // 调用Routing的again方法
-                quoteDetailRoutingService.againQuoteDetailRouting(tree,id);
+                quoteDetailRoutingService.againQuoteDetailRouting(tree, id);
                 loopTree(tree.getList(),quoteDetail,tree.getId());
             }
         }
     }
 
+    private void loopTree(List<QuoteDetailBomTree> list, QuoteDetail quoteDetail, Long parentId, Map<Long, Long> oldToNewIdMapping) {
+        if (!list.isEmpty()) {
+            for (QuoteDetailBomTree tree : list) {
+                tree.setQuoteId(quoteDetail.getQuoteId());
+                tree.setQuoteDetailId(quoteDetail.getId());
+                tree.setQuoteNo(quoteDetail.getQuoteNo());
+                tree.setVersionNo(quoteDetail.getVersionNo());
+                tree.setParentId(parentId);
+
+                long oldId = tree.getId();
+                tree.setId(null);
+                save(tree);
+                
+                // 记录老ID到新ID的映射关系
+                oldToNewIdMapping.put(oldId, tree.getId());
+
+                // 调用Bom的again方
+                quoteDetailBomService.againQuoteDetailBom(tree, oldId);
+                // 调用Routing的again方法
+                quoteDetailRoutingService.againQuoteDetailRouting(tree, oldId);
+                loopTree(tree.getList(), quoteDetail, tree.getId(), oldToNewIdMapping);
+            }
+        }
+    }
+
+    /**
+     * 根据正确的业务逻辑更新BOM明细中的bomId引用
+     * bomId应该指向子BOM树节点的ID，而不是根节点ID
+     */
+    private void updateBomIdReferencesWithCorrectLogic(Long quoteDetailId, Map<Long, Long> oldToNewIdMapping) {
+        // 查询新复制的所有BOM明细
+        List<QuoteDetailBom> bomList = quoteDetailBomService.lambdaQuery()
+                .eq(QuoteDetailBom::getQuoteDetailId, quoteDetailId)
+                .isNotNull(QuoteDetailBom::getBomId)  // 只处理有bomId的记录
+                .list();
+
+        for (QuoteDetailBom bom : bomList) {
+            // 获取原来的bomId
+            Long oldBomId = bom.getBomId();
+            // 根据老ID找到新ID
+            Long newBomId = oldToNewIdMapping.get(oldBomId);
+            if (newBomId != null) {
+                bom.setBomId(newBomId);
+                quoteDetailBomService.updateById(bom);
+            }
+        }
+    }
+
     @Override
     public String queryPart(QuoteDetailBom bom) {
         // 测试料号使用