diff --git a/oss-service/src/main/java/cn/axzo/oss/service/metafile/impl/HandleFileService.java b/oss-service/src/main/java/cn/axzo/oss/service/metafile/impl/HandleFileService.java
index 768543c..5a9a3f2 100644
--- a/oss-service/src/main/java/cn/axzo/oss/service/metafile/impl/HandleFileService.java
+++ b/oss-service/src/main/java/cn/axzo/oss/service/metafile/impl/HandleFileService.java
@@ -96,8 +96,16 @@ public class HandleFileService extends WithFileService{
             fileDao.save(ossFile);
             return ossFile;
         } else {
-            byFileUuid.setUpdateBy(dto.getUpdateBy());
-            fileDao.saveOrUpdate(byFileUuid);
+            //1、入参updateBy不为空且db#file#updateBy不为空，且他们不相等
+            //2、入参updateBy不为空且db#file#updateBy为空
+            // 以上2个条件满足一个则更新db中的updateBy
+            if ((StringUtils.isNotBlank(dto.getUpdateBy())
+                    && StringUtils.isNotBlank(byFileUuid.getUpdateBy())
+                    && !Objects.equals(dto.getUpdateBy(), byFileUuid.getUpdateBy()))
+                    || (StringUtils.isNotBlank(dto.getUpdateBy()) &&StringUtils.isBlank(byFileUuid.getUpdateBy()))) {
+                byFileUuid.setUpdateBy(dto.getUpdateBy());
+                fileDao.saveOrUpdate(byFileUuid);
+            }
         }
         return byFileUuid;
     }