diff --git a/kiri-engine/FileListen/FileChangeCustomProcess.php b/kiri-engine/FileListen/FileChangeCustomProcess.php
index 9fb35303..3310e81c 100644
--- a/kiri-engine/FileListen/FileChangeCustomProcess.php
+++ b/kiri-engine/FileListen/FileChangeCustomProcess.php
@@ -104,10 +104,12 @@ class FileChangeCustomProcess extends Command
 	{
 		Kiri::getDi()->get(Logger::class)->warning('change reload');
 
-		$content = file_get_contents(storage('.swoole.pid'));
+		$content = (int)file_get_contents(storage('.swoole.pid'));
 		if (!empty($content)) {
-			var_dump($content);
-			Process::kill((int)$content, SIGTERM);
+			var_dump($content, Process::kill($content, 0));
+			if (Process::kill($content, 0)) {
+				Process::kill($content, SIGTERM);
+			}
 		}
 		proc_open("php " . APP_PATH . "kiri.php", [], $pipes);
 	}