diff --git a/nflg_project_dev/nflg-bom-new/src/main/java/com/nflg/product/bomnew/service/BomNewEbomParentService.java b/nflg_project_dev/nflg-bom-new/src/main/java/com/nflg/product/bomnew/service/BomNewEbomParentService.java
index e8415f60..0c837ed2 100644
--- a/nflg_project_dev/nflg-bom-new/src/main/java/com/nflg/product/bomnew/service/BomNewEbomParentService.java
+++ b/nflg_project_dev/nflg-bom-new/src/main/java/com/nflg/product/bomnew/service/BomNewEbomParentService.java
@@ -1437,6 +1437,9 @@ public class BomNewEbomParentService extends ServiceImpl<BomNewEbomParentMapper,
             if (StrUtil.isNotBlank(materialMainEntity.getMaterialWeight())) {
                 baseMaterialVO.setUnitWeight(new BigDecimal(materialMainEntity.getMaterialWeight()));
             }
+            if(ObjectUtil.isNull(baseMaterialVO.getNum())){
+                baseMaterialVO.setNum(new BigDecimal(1));
+            }
             if (bomParent != null) {
                 baseMaterialVO.setEditStatus(bomParent.getEditStatus());
                 baseMaterialVO.setStatus(bomParent.getStatus());