diff --git a/extend/base/common/command/admin/UpdateBase.php b/extend/base/common/command/admin/UpdateBase.php
index 6311a76..3a66bc4 100644
--- a/extend/base/common/command/admin/UpdateBase.php
+++ b/extend/base/common/command/admin/UpdateBase.php
@@ -32,7 +32,7 @@ class UpdateBase extends Command
         $repo = static::REPO;
 
         if($input->hasOption('update-ulthon')){
-            $repo = null;
+            $repo = 'ulthon_admin';
         }
 
         $update_service = new AdminUpdateService($repo);