diff --git a/Handler/OnServerWorker.php b/Handler/OnServerWorker.php
index 2fba8bc..191221f 100644
--- a/Handler/OnServerWorker.php
+++ b/Handler/OnServerWorker.php
@@ -101,8 +101,6 @@ class OnServerWorker extends Kiri\Server\Abstracts\Server
      */
     public function onWorkerStop(Server $server, int $workerId): void
     {
-        error(sprintf('Worker#%d::%d stop.',$server->worker_pid, $workerId));
-
         event(new OnWorkerStop($server, $workerId));
         Timer::clearAll();
     }
@@ -115,8 +113,6 @@ class OnServerWorker extends Kiri\Server\Abstracts\Server
      */
     public function onWorkerExit(Server $server, int $workerId): void
     {
-        error(sprintf('Worker#%d::%d exit.',$server->worker_pid, $workerId));
-
         event(new OnWorkerExit($server, $workerId));
     }