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 e40496e4..8723aa2a 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
@@ -1787,7 +1787,7 @@ public class BomNewEbomParentService extends ServiceImpl<BomNewEbomParentMapper,
             if (StrUtil.isNotBlank(materialMainEntity.getMaterialWeight())) {
                 baseMaterialVO.setUnitWeight(new BigDecimal(materialMainEntity.getMaterialWeight()));
             }else{
-                baseMaterialVO.setUnitWeight(new BigDecimal(0));
+                baseMaterialVO.setUnitWeight(null);
             }
             if (ObjectUtil.isNull(baseMaterialVO.getNum())) {
                 baseMaterialVO.setNum(new BigDecimal(1));