diff --git a/src/main/java/com/xujie/sys/modules/quote/service/impl/QuoteDetailBomTreeServiceImpl.java b/src/main/java/com/xujie/sys/modules/quote/service/impl/QuoteDetailBomTreeServiceImpl.java
index 65b18c5b..55e15303 100644
--- a/src/main/java/com/xujie/sys/modules/quote/service/impl/QuoteDetailBomTreeServiceImpl.java
+++ b/src/main/java/com/xujie/sys/modules/quote/service/impl/QuoteDetailBomTreeServiceImpl.java
@@ -120,8 +120,10 @@ public class QuoteDetailBomTreeServiceImpl extends ServiceImpl<QuoteDetailBomTre
         // 获得节点的所有ids
         List<Long> ids = getAllChildIds(detail, bomTree.getId());
         ids.add(bomTree.getId());
+        // 删除子节点内容
         lambdaUpdate().in(QuoteDetailBomTree::getId,ids).remove();
         quoteDetailBomService.lambdaUpdate().in(QuoteDetailBom::getTreeId,ids).remove();
+        // 替换BOM树
         detail.setEngChgLevel(tree.getEngChgLevel());
         detail.setAlternativeNo(tree.getAlternativeNo());
         initQuoteDetailBomTree(detail, bomTree.getParentId());