diff --git a/src/main/java/com/ai/da/service/impl/SysFileServiceImpl.java b/src/main/java/com/ai/da/service/impl/SysFileServiceImpl.java
index 81c0fca6..24e89777 100644
--- a/src/main/java/com/ai/da/service/impl/SysFileServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/SysFileServiceImpl.java
@@ -216,10 +216,11 @@ public class SysFileServiceImpl extends ServiceImpl<SysFileMapper, SysFile> impl
             sysFile = CopyUtil.copyObject(sysFileMapper.selectById(id), SysFileVO.class);
             if (Objects.nonNull(sysFile)){
                 LocalCacheUtils.setSysFileCache(id, sysFile);
-                return sysFile;
+            } else {
+                return null;
             }
         }
-        return null;
+        return sysFile;
     }
 
     @Override