diff --git a/function.php b/function.php
index d5361bac..4a8838c5 100644
--- a/function.php
+++ b/function.php
@@ -10,6 +10,8 @@ use Kiri\Error\StdoutLoggerInterface;
 use Kiri\Events\EventDispatch;
 use Kiri\Events\EventProvider;
 use Kiri\Exception\ConfigException;
+use Psr\Container\ContainerExceptionInterface;
+use Psr\Container\NotFoundExceptionInterface;
 use Swoole\Process;
 
 if (!function_exists('make')) {
@@ -835,7 +837,7 @@ if (!function_exists('storage')) {
 }
 
 
-if (!function_exists('event')) {
+if (!function_exists('on')) {
 
 
 	/**
@@ -844,7 +846,7 @@ if (!function_exists('event')) {
 	 * @param bool $isAppend
 	 * @throws Exception
 	 */
-	function event($name, $callback, bool $isAppend = TRUE)
+	function on($name, $callback, bool $isAppend = TRUE): void
 	{
 		$pro = di(EventProvider::class);
 		$pro->on($name, $callback, 0);
@@ -1199,6 +1201,23 @@ if (!function_exists('success')) {
 	}
 }
 
+if (!function_exists('event')) {
+
+
+	/**
+	 * @param object $object
+	 * @return void
+	 * @throws ReflectionException
+	 * @throws ContainerExceptionInterface
+	 * @throws NotFoundExceptionInterface
+	 */
+	function event(object $object): void
+	{
+		Kiri::getDi()->get(EventDispatch::class)->dispatch($object);
+	}
+
+}
+
 
 if (!function_exists('throwable')) {
 
diff --git a/kiri-engine/Error/ErrorHandler.php b/kiri-engine/Error/ErrorHandler.php
index 66a23c93..19cf0a56 100644
--- a/kiri-engine/Error/ErrorHandler.php
+++ b/kiri-engine/Error/ErrorHandler.php
@@ -65,11 +65,12 @@ class ErrorHandler extends Component implements ErrorInterface
 		}
 		set_error_handler($callback);
 	}
-	
-	
+
+
 	/**
 	 * @param array|Closure|null $callback
 	 * @return void
+	 * @throws ReflectionException
 	 */
 	public function registerShutdownHandler(null|array|Closure $callback): void
 	{
@@ -102,7 +103,7 @@ class ErrorHandler extends Component implements ErrorInterface
 		
 		$message = array_shift($messages);
 		
-		Kiri::getDi()->get(EventDispatch::class)->dispatch(new Kiri\Events\OnSystemError());
+		event(new Kiri\Events\OnSystemError());
 		
 		$this->sendError($message, $lastError['file'], $lastError['line']);
 	}
@@ -115,11 +116,11 @@ class ErrorHandler extends Component implements ErrorInterface
 	 * @throws NotFoundExceptionInterface
 	 * @throws Exception
 	 */
-	public function exceptionHandler(\Throwable $exception)
+	public function exceptionHandler(\Throwable $exception): void
 	{
 		$this->category = 'exception';
 
-		Kiri::getDi()->get(EventDispatch::class)->dispatch(new Kiri\Events\OnSystemError());
+		event(new Kiri\Events\OnSystemError());
 		
 		$this->sendError($exception->getMessage(), $exception->getFile(), $exception->getLine());
 	}
@@ -143,9 +144,9 @@ class ErrorHandler extends Component implements ErrorInterface
 		
 		$data = Json::jsonFail($error[1], 500, $path);
 		
-		\Kiri::getLogger()->error('On error handler', [$data]);
+		error('On error handler', [$data]);
 
-		Kiri::getDi()->get(EventDispatch::class)->dispatch(new Kiri\Events\OnSystemError());
+		event(new Kiri\Events\OnSystemError());
 		
 		throw new \ErrorException($error[1], $error[0], 1, $error[2], $error[3]);
 	}