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 bf10d15b..485f9515 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
@@ -344,10 +344,14 @@ public class QuoteDetailBomTreeServiceImpl extends ServiceImpl<QuoteDetailBomTre
         BomNodeData nodeData = null;
         Long newParentId = 0L;
         QuoteDetailBomTree bomTree = null;
+        List<Long> deleteTreeIds = new ArrayList<>();
 
         if (Objects.nonNull(tree.getId())) {
             bomTree = getById(tree.getId());
             detail = quoteDetailService.getById(bomTree.getQuoteDetailId());
+            // 提前在事务外计算待删除节点，缩短事务时间，减少锁持有窗口
+            deleteTreeIds = getAllChildIds(detail, bomTree.getId());
+            deleteTreeIds.add(bomTree.getId());
 
             detail.setPartNo(tree.getPartNo());
             detail.setSite(tree.getSite());
@@ -390,16 +394,15 @@ public class QuoteDetailBomTreeServiceImpl extends ServiceImpl<QuoteDetailBomTre
         final BomNodeData finalNodeData = nodeData;
         final Long finalNewParentId = newParentId;
         final QuoteDetailBomTree finalBomTree = bomTree;
+        final List<Long> finalDeleteTreeIds = deleteTreeIds;
 
         long transactionStartTime = System.currentTimeMillis();
         transactionTemplate.execute(status -> {
             // 1. 执行 BOM 结构切换的 DB 写入
             if (Objects.nonNull(tree.getId())) {
-                List<Long> ids = getAllChildIds(finalDetail, finalBomTree.getId());
-                ids.add(finalBomTree.getId());
-                lambdaUpdate().in(QuoteDetailBomTree::getId, ids).remove();
-                quoteDetailBomService.lambdaUpdate().in(QuoteDetailBom::getTreeId, ids).remove();
-                quoteDetailRoutingService.lambdaUpdate().in(QuoteDetailRouting::getTreeId, ids).remove();
+                lambdaUpdate().in(QuoteDetailBomTree::getId, finalDeleteTreeIds).remove();
+                quoteDetailBomService.lambdaUpdate().in(QuoteDetailBom::getTreeId, finalDeleteTreeIds).remove();
+                quoteDetailRoutingService.lambdaUpdate().in(QuoteDetailRouting::getTreeId, finalDeleteTreeIds).remove();
 
                 long bomId = 0;
                 if (finalNodeData != null) {
diff --git a/src/main/java/com/spring/modules/quote/service/impl/QuoteDetailRoutingServiceImpl.java b/src/main/java/com/spring/modules/quote/service/impl/QuoteDetailRoutingServiceImpl.java
index d88d9565..da6f4ed0 100644
--- a/src/main/java/com/spring/modules/quote/service/impl/QuoteDetailRoutingServiceImpl.java
+++ b/src/main/java/com/spring/modules/quote/service/impl/QuoteDetailRoutingServiceImpl.java
@@ -24,16 +24,11 @@ public class QuoteDetailRoutingServiceImpl extends ServiceImpl<QuoteDetailRoutin
     @Autowired
     private QuoteDetailService quoteDetailService;
     @Autowired
-    private QuoteService quoteService;
-    @Autowired
     private QuoteDetailToolService quoteDetailToolService;
 
     @Override
     public void saveQuoteDetailRouting(QuoteDetailRouting quoteDetailRouting) {
-        // 查询日期
-        Quote quote = quoteService.getById(quoteDetailRouting.getQuoteId());
-        quoteDetailRouting.setQuoteDate(quote.getQuoteDate());
-
+        // quote_date 未参与 insert SQL，避免每次保存 Routing 额外查询一次主表
         baseMapper.saveQuoteDetailRouting(quoteDetailRouting);
     }