diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysOssController.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysOssController.java
index 1a0f8f3..3de8457 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysOssController.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysOssController.java
@@ -112,8 +112,9 @@ public class SysOssController extends BaseController {
     @GetMapping("/identifier")
     public R<SysOssUploadVo> identifier(@NotEmpty(message = "MD5不能为空") String md5) {
         SysOssVo oss = ossService.getByMd5(md5);
-        SysOssUploadVo uploadVo = new SysOssUploadVo();
+        SysOssUploadVo uploadVo = null;
         if (ObjectUtil.isNotNull(oss)) {
+            uploadVo = new SysOssUploadVo();
             uploadVo.setUrl(oss.getUrl());
             uploadVo.setOssId(oss.getOssId().toString());
         }