diff --git a/nflg_project_dev/nflg-bom-new/src/main/java/com/nflg/product/bomnew/service/domain/EBom/EbomInitProjectType.java b/nflg_project_dev/nflg-bom-new/src/main/java/com/nflg/product/bomnew/service/domain/EBom/EbomInitProjectType.java
index 1413b2fc..580efded 100644
--- a/nflg_project_dev/nflg-bom-new/src/main/java/com/nflg/product/bomnew/service/domain/EBom/EbomInitProjectType.java
+++ b/nflg_project_dev/nflg-bom-new/src/main/java/com/nflg/product/bomnew/service/domain/EBom/EbomInitProjectType.java
@@ -133,7 +133,7 @@ public class EbomInitProjectType {
             sameLevelChild = getChilds(child.getParentRowId());
             sResult = sameLevelChild.stream().filter(u -> u.getMaterialCategoryCode().startsWith("2005") || u.getMaterialCategoryCode().startsWith("2006")).collect(Collectors.toList());
             if (CollUtil.isNotEmpty(sResult)) {
-                List<String> projectType = sResult.stream().map(u -> u.getProjectType()).distinct().collect(Collectors.toList());
+                List<String> projectType = sResult.stream().filter(u->StrUtil.isNotBlank(u.getProjectType())).map(u ->  u.getProjectType()).distinct().collect(Collectors.toList());
                 if (projectType.size() == 1 && projectType.get(0).equals("Q")) {
                     child.setProjectType("Q");
                 }