diff --git a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/CommonController.java b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/CommonController.java
index 96ade5cb4..b9b300176 100644
--- a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/CommonController.java
+++ b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/CommonController.java
@@ -293,20 +293,17 @@ public class CommonController {
         InputStream inputStream = null;
         OutputStream outputStream = null;
         try {
-            String fileName = "";
             //本地下载
             String filePath = ossFile.getUrl();
             File file = new File(filePath);
-            if(!file.exists()){
+            if(!CosBootUtil.doesObjectExist(filePath)){
                 response.setStatus(404);
                 throw new RuntimeException("文件不存在..");
             }
             // 文件名称
-            fileName = file.getName();
-            inputStream = new BufferedInputStream(new FileInputStream(filePath));
             response.setContentType("application/force-download");// 设置强制下载不打开
             response.addHeader("Content-Disposition", "attachment;fileName=" + new String(file.getName().getBytes("UTF-8"),"iso-8859-1"));
-            inputStream = new BufferedInputStream(new FileInputStream(filePath));
+            inputStream = CosBootUtil.download(filePath);
             outputStream = response.getOutputStream();
             byte[] buf = new byte[1024];
             int len;