diff --git a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/platform/service/impl/PlatformProjectCertificationInventoryEOServiceImpl.java b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/platform/service/impl/PlatformProjectCertificationInventoryEOServiceImpl.java
index 7e9dd96f1..feaf08c34 100644
--- a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/platform/service/impl/PlatformProjectCertificationInventoryEOServiceImpl.java
+++ b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/platform/service/impl/PlatformProjectCertificationInventoryEOServiceImpl.java
@@ -536,7 +536,9 @@ public class PlatformProjectCertificationInventoryEOServiceImpl extends ServiceI
 					List<String> userIdList = new ArrayList<>();
 					userIdList.add(oldPciEo.getDutyPerson());
 					if(role == ProjectRoleEnum.STUDIO_ENGINEER.getIntValue()){
-						userIdList.addAll(Arrays.asList(projectLibraryBase.getCertificationEngineer().split(",")));
+						if(StringUtils.isNotBlank(projectLibraryBase.getCertificationEngineer())){
+							userIdList.addAll(Arrays.asList(projectLibraryBase.getCertificationEngineer().split(",")));
+						}
 					}
 					List<SysUser> userInfoList = this.sysUserService.querySysUserListByIdList(userIdList);
 					oldPciEo.setEndTime(newPciEo.getEndTime());
@@ -793,7 +795,9 @@ public class PlatformProjectCertificationInventoryEOServiceImpl extends ServiceI
 					List<String> userIdList = new ArrayList<>();
 					userIdList.add(oldPciEo.getDutyPerson());
 					if(role == ProjectRoleEnum.STUDIO_ENGINEER.getIntValue()){
-						userIdList.addAll(Arrays.asList(projectLibraryBase.getCertificationEngineer().split(",")));
+						if(StringUtils.isNotBlank(projectLibraryBase.getCertificationEngineer())){
+							userIdList.addAll(Arrays.asList(projectLibraryBase.getCertificationEngineer().split(",")));
+						}
 					}else if(role == ProjectRoleEnum.HOMOLOGATION_ENGINEER.getIntValue()){
 						userIdList.add(projectLibraryBase.getStudioEngineer());
 					}