diff --git a/Processes/AbstractProcess.php b/Processes/AbstractProcess.php
index c9f1dd4..6ec1463 100644
--- a/Processes/AbstractProcess.php
+++ b/Processes/AbstractProcess.php
@@ -6,6 +6,7 @@ namespace Kiri\Server\Processes;
 use Swoole\Coroutine;
 use Swoole\Process;
 use const SIGHUP;
+use const SIGTERM;
 
 /**
  *
@@ -132,10 +133,7 @@ abstract class AbstractProcess implements OnProcessInterface
             Coroutine::set($array);
             Coroutine::create(fn() => $this->coroutineWaitSignal());
         } else {
-            pcntl_signal(\SIGTERM, [$this, 'pointWaitSignal']);
-            pcntl_signal(\SIGINT, [$this, 'pointWaitSignal']);
-            pcntl_signal(\SIGUSR1, [$this, 'pointWaitSignal']);
-            pcntl_signal(SIGHUP, [$this, 'pointWaitSignal']);
+            pcntl_signal(SIGTERM | SIGINT | SIGUSR1, [$this, 'pointWaitSignal']);
         }
         return $this;
     }
@@ -154,21 +152,8 @@ abstract class AbstractProcess implements OnProcessInterface
     public function pointWaitSignal($signal): void
     {
         $this->stop = true;
+
         $this->onSigterm();
-        switch ($signal) {
-            case \SIGTERM:
-            case \SIGUSR1:
-            case \SIGINT:
-                // some stuff before stop consumer e.g. delete lock etc
-                pcntl_signal($signal, SIG_DFL); // restore handler
-                posix_kill(posix_getpid(), $signal);
-                break; // kill self with signal, see https://www.cons.org/cracauer/sigint.html
-            case SIGHUP:
-                // some stuff to restart consumer
-                break;
-            default:
-                // do nothing
-        }
     }