diff --git a/src/main/java/com/project/exam/domain/service/impl/AssemblePaperDomainServiceImpl.java b/src/main/java/com/project/exam/domain/service/impl/AssemblePaperDomainServiceImpl.java
index c2d90b9..dc970d5 100644
--- a/src/main/java/com/project/exam/domain/service/impl/AssemblePaperDomainServiceImpl.java
+++ b/src/main/java/com/project/exam/domain/service/impl/AssemblePaperDomainServiceImpl.java
@@ -97,7 +97,7 @@ public class AssemblePaperDomainServiceImpl implements AssemblePaperDomainServic
         TaskUserDTO taskUserDTO = Try.of(() -> taskUserBaseService.getOne(new LambdaQueryWrapper<TaskUserEntity>()
                         .eq(TaskUserEntity::getTaskId, taskId).eq(TaskUserEntity::getUserId, userId))
                 .toDTO(TaskUserDTO::new)).getOrNull();
-        if (Objects.nonNull(taskUserDTO)) {
+        if (Objects.isNull(taskUserDTO)) {
             throw new BusinessErrorException("您无需参与本场考核");
         }
         if (TaskUserStatusEnum.Pass.getValue().equals(taskUserDTO.getStatus())) {