diff --git a/Abstracts/ReloadWorkers.php b/Abstracts/ReloadWorkers.php
index 50993bb..e225f91 100644
--- a/Abstracts/ReloadWorkers.php
+++ b/Abstracts/ReloadWorkers.php
@@ -2,6 +2,7 @@
 
 namespace Kiri\Server\Abstracts;
 
+use Kiri\Error\StdoutLogger;
 use Kiri\Server\ServerInterface;
 use Swoole\Process;
 
@@ -30,6 +31,8 @@ trait ReloadWorkers
 	private function reloadByServerInstance(): bool
 	{
 		try {
+			di(StdoutLogger::class)->println('[file-build] Reload worker.');
+
 			$server =  di(ServerInterface::class) ;
 			return $server->reload() !== false;
 		} catch (\Throwable) {