diff --git a/app/Admin/Controllers/AppVersionController.php b/app/Admin/Controllers/AppVersionController.php
index 4b9196c3..e261678a 100644
--- a/app/Admin/Controllers/AppVersionController.php
+++ b/app/Admin/Controllers/AppVersionController.php
@@ -140,7 +140,7 @@ class AppVersionController extends AdminController
             $form->hidden('apk_link');
 
             $form->saving(function (Form $form) {
-                $apk_link = 'apk_link'.($form->cate != 3 ??2);
+                $apk_link = 'apk_link'.($form->cate != 3 ? $form->cate : 2);
                 $form->apk_link = $form->$apk_link;
 
                 $form->deleteInput('apk_link1');