diff --git a/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/institution/EvalSignTaskExecutor.java b/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/institution/EvalSignTaskExecutor.java
index 131ce25..365d2a5 100644
--- a/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/institution/EvalSignTaskExecutor.java
+++ b/safety-eval-app/src/main/java/org/qinan/safetyeval/app/executor/institution/EvalSignTaskExecutor.java
@@ -102,10 +102,12 @@ public class EvalSignTaskExecutor implements EvalSignTaskApi {
             List<EvalProjectMemberDO> evalProjectMemberDOS = evalProjectMemberMapper.selectList(new LambdaQueryWrapper<EvalProjectMemberDO>()
                     .eq(EvalProjectMemberDO::getProjectId, evalSignTaskCO.getProjectId())
                     .eq(EvalProjectMemberDO::getPersonnelId, evalSignTaskCO.getSignerPersonnelId())
-                    .select(EvalProjectMemberDO::getRole, EvalProjectMemberDO::getPersonnelName)
+                    .select(EvalProjectMemberDO::getRole, EvalProjectMemberDO::getPersonnelName, EvalProjectMemberDO::getId)
                     .last("limit 1"));
+            if (!CollectionUtils.isEmpty(evalProjectMemberDOS)) {
             evalSignTaskCO.setSignerPersonnelName(evalProjectMemberDOS.get(0).getPersonnelName());
             evalSignTaskCO.setSignerRoles(ProjectStageEnum.fromVals(evalProjectMemberDOS.get(0).getRole()));
+            }
             return evalSignTaskCO;
         }).collect(Collectors.toList());
         return PageResponse.of(