diff --git a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/platform/service/impl/PlatformProjectLibraryBaseServiceImpl.java b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/platform/service/impl/PlatformProjectLibraryBaseServiceImpl.java
index 2f0adfbce..3290c76af 100644
--- a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/platform/service/impl/PlatformProjectLibraryBaseServiceImpl.java
+++ b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/platform/service/impl/PlatformProjectLibraryBaseServiceImpl.java
@@ -661,7 +661,7 @@ public class PlatformProjectLibraryBaseServiceImpl extends ServiceImpl<PlatformP
 					personnelQueryWrapper.eq("duty_territory", lawsInventoryEO.getDutyTerritory()).eq("project_id", projectLibraryBase.getId());
 					List<ProjectRelatedPersonnel> personnels = projectRelatedPersonnelService.list(personnelQueryWrapper);
 
-					if (!original.getStudioEngineer().equals(projectLibraryBase.getStudioEngineer())) {
+					if (StringUtils.isNotBlank(original.getStudioEngineer()) && !original.getStudioEngineer().equals(projectLibraryBase.getStudioEngineer())) {
 						StringBuilder participator = new StringBuilder();
 						if (ObjectUtils.isNotEmpty(personnels)) {
 							if (ObjectUtils.isNotEmpty(personnels.get(0).getLawEngineer())) {