diff --git a/nflg_project_dev/nflg-bom-new/src/main/java/com/nflg/product/bomnew/service/DQBomService.java b/nflg_project_dev/nflg-bom-new/src/main/java/com/nflg/product/bomnew/service/DQBomService.java
index 70a904ca..b8c2de7e 100644
--- a/nflg_project_dev/nflg-bom-new/src/main/java/com/nflg/product/bomnew/service/DQBomService.java
+++ b/nflg_project_dev/nflg-bom-new/src/main/java/com/nflg/product/bomnew/service/DQBomService.java
@@ -590,6 +590,9 @@ public class DQBomService {
     }
 
     private void buildTree(BomNewDQbomParentEntity parent, List<BomNewDQbomParentEntity> parents, List<BomNewDQbomChildEntity> children) {
+        if (parents.stream().anyMatch(p -> StrUtil.equals(p.getMaterialNo(), parent.getMaterialNo()))) {
+            return;
+        }
         parent.setStatus(2);
         parent.setConvertToPbomTime(LocalDateTime.now());
         parent.setModifyTime(LocalDateTime.now());