diff --git a/dk-modules/sample/src/main/java/org/dromara/sample/wayline/service/IWaylineJobService.java b/dk-modules/sample/src/main/java/org/dromara/sample/wayline/service/IWaylineJobService.java
index f95e213..36e4064 100644
--- a/dk-modules/sample/src/main/java/org/dromara/sample/wayline/service/IWaylineJobService.java
+++ b/dk-modules/sample/src/main/java/org/dromara/sample/wayline/service/IWaylineJobService.java
@@ -88,5 +88,5 @@ public interface IWaylineJobService {
      * */
     List<MediaFileDTO> getMediaFileDTO(String jobId, String fileType);
 
-    Optional<WaylineJobDTO> getJobByDockSn(String dockSn);
+    WaylineJobDTO getJobByDockSn(String dockSn);
 }
diff --git a/dk-modules/sample/src/main/java/org/dromara/sample/wayline/service/impl/WaylineJobServiceImpl.java b/dk-modules/sample/src/main/java/org/dromara/sample/wayline/service/impl/WaylineJobServiceImpl.java
index e1a475e..98f03eb 100644
--- a/dk-modules/sample/src/main/java/org/dromara/sample/wayline/service/impl/WaylineJobServiceImpl.java
+++ b/dk-modules/sample/src/main/java/org/dromara/sample/wayline/service/impl/WaylineJobServiceImpl.java
@@ -268,7 +268,7 @@ public class WaylineJobServiceImpl implements IWaylineJobService {
     }
 
     @Override
-    public Optional<WaylineJobDTO> getJobByDockSn(String dockSn) {
+    public WaylineJobDTO getJobByDockSn(String dockSn) {
 
         LambdaQueryWrapper<WaylineJobEntity> queryWrapper = new LambdaQueryWrapper<WaylineJobEntity>()
             .eq(WaylineJobEntity::getStatus, 2)
@@ -277,7 +277,13 @@ public class WaylineJobServiceImpl implements IWaylineJobService {
         //降序查询
         queryWrapper.orderByDesc(WaylineJobEntity::getCreateTime);
 
-        return Optional.ofNullable(entity2Dto(mapper.selectList(queryWrapper).stream().findFirst().orElse(null)));
+        List<WaylineJobEntity> waylineJobEntities = mapper.selectList(queryWrapper);
+
+        if (ObjectUtil.isEmpty(waylineJobEntities)){
+            return new WaylineJobDTO();
+        }
+
+        return entity2Dto(waylineJobEntities.getFirst());
 
     }