diff --git a/config/app.php b/config/app.php
index aa73be54..fb13e14d 100644
--- a/config/app.php
+++ b/config/app.php
@@ -22,7 +22,7 @@ return [
     'update_source' => env(
         'UPDATE_SOURCE',
         'https://dev.azure.com/blessing-skin/51010f6d-9f99-40f1-a262-0a67f788df32/_apis/git/'.
-        'repositories/a9ff8df7-6dc3-4ff8-bb22-4871d3a43936/Items?path=%2Fupdate_2.json'
+        'repositories/a9ff8df7-6dc3-4ff8-bb22-4871d3a43936/Items?path=%2Fupdate_preview.json'
     ),
 
     /*