diff --git a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/project/service/impl/ProjectLibraryBaseServiceImpl.java b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/project/service/impl/ProjectLibraryBaseServiceImpl.java
index 4709f34b9..2f55167ee 100644
--- a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/project/service/impl/ProjectLibraryBaseServiceImpl.java
+++ b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/project/service/impl/ProjectLibraryBaseServiceImpl.java
@@ -1309,7 +1309,10 @@ public class ProjectLibraryBaseServiceImpl extends ServiceImpl<ProjectLibraryBas
 			//serialNumber dutyTerritory
 			String serialNumber = projectLawsInventoryEO.getSerialNumber();
 			String dutyTerritory = projectLawsInventoryEO.getDutyTerritory();
-			String subtitle = projectLawsInventoryEO.getSubtitle();
+			String subtitle = "";
+			if(StringUtils.isNotBlank(projectLawsInventoryEO.getSubtitle())){
+				subtitle = projectLawsInventoryEO.getSubtitle();
+			}
 
 			//责任领域
 			List<String> list = new LinkedList<>();