diff --git a/src/main/java/com/ruoyi/file/utils/FileUploadUtils.java b/src/main/java/com/ruoyi/file/utils/FileUploadUtils.java
index ac90ace..28d7141 100644
--- a/src/main/java/com/ruoyi/file/utils/FileUploadUtils.java
+++ b/src/main/java/com/ruoyi/file/utils/FileUploadUtils.java
@@ -239,9 +239,9 @@ public class FileUploadUtils {
             return "application/octet-stream";
         }
 
-        System.out.println("未匹配任何类型，返回默认值 image/jpeg");
+        System.out.println("未匹配任何类型，返回默认值 application/octet-stream");
         System.out.println("------------------------------------------");
-        return "image/jpeg";
+        return "application/octet-stream";
     }