diff --git a/kiri-engine/FileListen/HotReload.php b/kiri-engine/FileListen/HotReload.php
index 2ba78ee1..56941a54 100644
--- a/kiri-engine/FileListen/HotReload.php
+++ b/kiri-engine/FileListen/HotReload.php
@@ -138,17 +138,15 @@ class HotReload extends Command
 	public function trigger_reload()
 	{
 		$this->logger->warning('change reload');
-//		$pid = file_get_contents(storage('.swoole.pid'));
-//		if (!empty($pid) && Process::kill($pid, 0)) {
-//			Process::kill($pid, SIGTERM);
-//		}
-		if ($this->process && Process::kill($this->process->pid, 0)) {
-			Process::kill($this->process->pid) && Process::wait(true);
-		}
-		$this->process = new Process(function (Process $process) {
+		$pid  = $this->process->pid;
+		$process = new Process(function (Process $process) {
 			$process->exec(PHP_BINARY, [APP_PATH . "kiri.php", "sw:server", "restart"]);
 		});
-		$this->process->start();
+		$process->start();
+		if ($pid && Process::kill($pid, 0)) {
+			Process::kill($pid) && Process::wait(true);
+		}
+		$this->process = $process;
 	}