diff --git a/app/Http/Controllers/Api/VenueImportController.php b/app/Http/Controllers/Api/VenueImportController.php
index fbc32e3..1cc1606 100644
--- a/app/Http/Controllers/Api/VenueImportController.php
+++ b/app/Http/Controllers/Api/VenueImportController.php
@@ -35,8 +35,9 @@ class VenueImportController extends Controller
     {
         abort_unless($request->user()?->isSuperAdmin(), 403, '仅超级管理员可导入场馆');
 
+        // 使用 extensions 而非 mimes：mimes 依赖 fileinfo（guessExtension），部分环境未启用会报错
         $request->validate([
-            'file' => ['required', 'file', 'mimes:xlsx,xls', 'max:10240'],
+            'file' => ['required', 'file', 'extensions:xlsx,xls', 'max:10240'],
         ]);
 
         $path = $request->file('file')->getRealPath();