diff --git a/app/common/controller/UploadController.php b/app/common/controller/UploadController.php
index d90c84a..a025666 100644
--- a/app/common/controller/UploadController.php
+++ b/app/common/controller/UploadController.php
@@ -87,12 +87,15 @@ class UploadController
             }
             $originalName = $file->getUploadName();
 
+            $ossservice = new OssService();
+            $mimes = $ossservice->getMimeTypes(['jpg', 'jpeg', 'png', 'gif', 'bmp', 'webp', 'pdf', 'doc', 'docx', 'xls', 'xlsx', 'ppt', 'pptx', 'txt', 'zip', 'rar']);
+
             $result = Storage::adapter('oss')
                 ->path('x_server/' . $sceneUrl . date('Ymd'))
                 ->size(1024*1024*5)
+                ->extYes($mimes)
                 ->upload($file);
-            
-            $ossservice = new OssService();
+
 
             $data = [
                 'original_name' => $originalName,
diff --git a/app/common/service/OssService.php b/app/common/service/OssService.php
index 72a956e..1aacc1c 100644
--- a/app/common/service/OssService.php
+++ b/app/common/service/OssService.php
@@ -76,4 +76,38 @@ class OssService
             throw new BusinessException('Delete Error: ' . $th->getMessage());
         }
     }
+
+    /**
+     * 获取对应的 MIME 类型
+     */
+    public function getMimeTypes($extensions)
+    {
+        $mimeMap = [
+            'jpg' => 'image/jpeg',
+            'jpeg' => 'image/jpeg',
+            'png' => 'image/png',
+            'gif' => 'image/gif',
+            'bmp' => 'image/bmp',
+            'webp' => 'image/webp',
+            'pdf' => 'application/pdf',
+            'doc' => 'application/msword',
+            'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+            'xls' => 'application/vnd.ms-excel',
+            'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+            'ppt' => 'application/vnd.ms-powerpoint',
+            'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
+            'txt' => 'text/plain',
+            'zip' => 'application/zip',
+            'rar' => 'application/x-rar-compressed'
+        ];
+
+        $mimes = [];
+        foreach ($extensions as $ext) {
+            if (isset($mimeMap[$ext])) {
+                $mimes[] = $mimeMap[$ext];
+            }
+        }
+
+        return array_unique($mimes);
+    }
 }
\ No newline at end of file