diff --git a/src/ZM/Event/SwooleEvent/OnWorkerStart.php b/src/ZM/Event/SwooleEvent/OnWorkerStart.php
index c0c4f7e9..26fbfb5f 100644
--- a/src/ZM/Event/SwooleEvent/OnWorkerStart.php
+++ b/src/ZM/Event/SwooleEvent/OnWorkerStart.php
@@ -45,7 +45,7 @@ use ZM\Utils\SignalListener;
  */
 class OnWorkerStart implements SwooleEvent
 {
-    public function onCall(Server $server, $worker_id)
+    public function onCall(Server $server, int $worker_id)
     {
         Console::debug('Calling onWorkerStart event(1)');
         if (!Framework::$argv['disable-safe-exit']) {
diff --git a/src/ZM/Utils/SignalListener.php b/src/ZM/Utils/SignalListener.php
index 875a2eb5..f38bfa99 100644
--- a/src/ZM/Utils/SignalListener.php
+++ b/src/ZM/Utils/SignalListener.php
@@ -63,9 +63,9 @@ class SignalListener
 
     /**
      * 监听Worker/TaskWorker进程的Ctrl+C
-     * @param int|string $worker_id 当前进程的ID
+     * @param int $worker_id 当前进程的ID
      */
-    public static function signalWorker(Server $server, $worker_id)
+    public static function signalWorker(Server $server, int $worker_id)
     {
         Console::debug('Listening Worker #' . $worker_id . ' SIGINT');
         Process::signal(SIGINT, function () use ($server) {