diff --git a/src/main/java/com/ruoyi/file/utils/FileUploadUtils.java b/src/main/java/com/ruoyi/file/utils/FileUploadUtils.java
index 0e78cc8..ac90ace 100644
--- a/src/main/java/com/ruoyi/file/utils/FileUploadUtils.java
+++ b/src/main/java/com/ruoyi/file/utils/FileUploadUtils.java
@@ -179,55 +179,62 @@ public class FileUploadUtils {
         System.out.println("传入的扩展名参数: [" + FilenameExtension + "]");
         System.out.println("扩展名长度: " + (FilenameExtension != null ? FilenameExtension.length() : "null"));
 
-        if (FilenameExtension.equalsIgnoreCase(".bmp")) {
+        // 统一处理：如果没有点，自动添加点
+        String extension = FilenameExtension;
+        if (extension != null && !extension.startsWith(".")) {
+            extension = "." + extension;
+            System.out.println("扩展名没有点，自动添加后: [" + extension + "]");
+        }
+
+        if (extension.equalsIgnoreCase(".bmp")) {
             return "image/bmp";
         }
-        if (FilenameExtension.equalsIgnoreCase(".gif")) {
+        if (extension.equalsIgnoreCase(".gif")) {
             return "image/gif";
         }
-        if (FilenameExtension.equalsIgnoreCase(".jpeg") ||
-                FilenameExtension.equalsIgnoreCase(".jpg") ||
-                FilenameExtension.equalsIgnoreCase(".png")) {
+        if (extension.equalsIgnoreCase(".jpeg") ||
+                extension.equalsIgnoreCase(".jpg") ||
+                extension.equalsIgnoreCase(".png")) {
             return "image/jpeg";
         }
-        if (FilenameExtension.equalsIgnoreCase(".html")) {
+        if (extension.equalsIgnoreCase(".html")) {
             return "text/html";
         }
-        if (FilenameExtension.equalsIgnoreCase(".txt")) {
+        if (extension.equalsIgnoreCase(".txt")) {
             return "text/plain";
         }
-        if (FilenameExtension.equalsIgnoreCase(".vsd")) {
+        if (extension.equalsIgnoreCase(".vsd")) {
             return "application/vnd.visio";
         }
-        if (FilenameExtension.equalsIgnoreCase(".pptx") ||
-                FilenameExtension.equalsIgnoreCase(".ppt")) {
+        if (extension.equalsIgnoreCase(".pptx") ||
+                extension.equalsIgnoreCase(".ppt")) {
             return "application/vnd.ms-powerpoint";
         }
-        if (FilenameExtension.equalsIgnoreCase(".docx") ||
-                FilenameExtension.equalsIgnoreCase(".doc")) {
+        if (extension.equalsIgnoreCase(".docx") ||
+                extension.equalsIgnoreCase(".doc")) {
             return "application/msword";
         }
-        if (FilenameExtension.equalsIgnoreCase(".xml")) {
+        if (extension.equalsIgnoreCase(".xml")) {
             return "text/xml";
         }
         //PDF
-        if (FilenameExtension.equalsIgnoreCase(".pdf")) {
+        if (extension.equalsIgnoreCase(".pdf")) {
             return "application/pdf";
         }
         //excel
-        if (".xls".equalsIgnoreCase(FilenameExtension)) {
+        if (".xls".equalsIgnoreCase(extension)) {
             return "application/vnd.ms-excel";
         }
-        if (".xlsx".equalsIgnoreCase(FilenameExtension)) {
+        if (".xlsx".equalsIgnoreCase(extension)) {
             return "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
         }
         //waypoints  拓恒+大疆的航线文件类型
         System.out.println("检查 waypoints 匹配:");
-        System.out.println("  与 '.waypoints' 比较: " + FilenameExtension.equalsIgnoreCase(".waypoints"));
-        System.out.println("  与 '.kmz' 比较: " + FilenameExtension.equalsIgnoreCase(".kmz"));
+        System.out.println("  与 '.waypoints' 比较: " + extension.equalsIgnoreCase(".waypoints"));
+        System.out.println("  与 '.kmz' 比较: " + extension.equalsIgnoreCase(".kmz"));
 
-        if (FilenameExtension.equalsIgnoreCase(".waypoints") ||
-                FilenameExtension.equalsIgnoreCase(".kmz")) {
+        if (extension.equalsIgnoreCase(".waypoints") ||
+                extension.equalsIgnoreCase(".kmz")) {
             System.out.println("匹配成功! 返回 application/octet-stream");
             return "application/octet-stream";
         }