diff --git a/kiri-engine/Application.php b/kiri-engine/Application.php
index a1598fed..94c0b2e2 100644
--- a/kiri-engine/Application.php
+++ b/kiri-engine/Application.php
@@ -128,7 +128,7 @@ class Application extends BaseApplication
             on(OnWorkerStart::class, function () {
                 $scanner = di(Scanner::class);
                 $scanner->read(APP_PATH . 'app/');
-            }, -1);
+            }, 999999999999);
         }
 
         fire(new OnBeforeCommandExecute());