diff --git a/kiri-engine/Reload/Scanner.php b/kiri-engine/Reload/Scanner.php
index c836609c..7e286b6c 100644
--- a/kiri-engine/Reload/Scanner.php
+++ b/kiri-engine/Reload/Scanner.php
@@ -21,7 +21,7 @@ class Scanner extends BaseProcess
 
 	public string $name = 'hot reload';
 
-	protected bool $enable_coroutine = false;
+	protected bool $enable_coroutine = true;
 
 	private array $dirs = [];