diff --git a/kiri-engine/Abstracts/Component.php b/kiri-engine/Abstracts/Component.php
index 696842c9..7cdff1b7 100644
--- a/kiri-engine/Abstracts/Component.php
+++ b/kiri-engine/Abstracts/Component.php
@@ -13,9 +13,9 @@ namespace Kiri\Abstracts;
 use Exception;
 use JetBrains\PhpStorm\Pure;
 use Kiri\Di\Container;
+use Kiri\Events\EventDispatch;
 use Kiri\Events\EventProvider;
 use Kiri\Kiri;
-use Note\Inject;
 use Psr\Container\ContainerExceptionInterface;
 use Psr\Container\ContainerInterface;
 use Psr\Container\NotFoundExceptionInterface;
@@ -25,12 +25,12 @@ use Psr\Container\NotFoundExceptionInterface;
  * @package Kiri\Kiri\Base
  * @property ContainerInterface|Container $container
  * @property EventProvider $eventProvider
+ * @property EventDispatch $eventDispatch
  */
 class Component implements Configure
 {
 
 
-
 	/**
 	 * BaseAbstract constructor.
 	 *
@@ -65,6 +65,14 @@ class Component implements Configure
 	}
 
 
+	/**
+	 * @return EventDispatch
+	 */
+	protected function getEventDispatch(): EventDispatch
+	{
+		return Kiri::getDi()->get(EventDispatch::class);
+	}
+
 	/**
 	 * @throws Exception
 	 */
@@ -73,7 +81,6 @@ class Component implements Configure
 	}
 
 
-
 	/**
 	 * @return string
 	 */
@@ -124,13 +131,14 @@ class Component implements Configure
 	public function addError($message, string $model = 'app'): bool
 	{
 		if ($message instanceof \Throwable) {
-			$this->error(jTraceEx($message));
+			$this->error($message = jTraceEx($message));
 		} else {
 			if (!is_string($message)) {
 				$message = json_encode($message, JSON_UNESCAPED_UNICODE);
 			}
 			$this->error($message);
 		}
+		Kiri::app()->getLogger()->fail($message, $model);
 		return FALSE;
 	}
 
@@ -156,8 +164,6 @@ class Component implements Configure
 		if (!is_string($message)) {
 			$message = print_r($message, true);
 		}
-//		$message = "\033[35m" . $message . "\033[0m";
-
 		$context = [];
 		if (!empty($method)) $context['method'] = $method;
 		if (!empty($file)) $context['file'] = $file;
@@ -177,8 +183,6 @@ class Component implements Configure
 		if (!is_string($message)) {
 			$message = print_r($message, true);
 		}
-//		$message = "\033[34m" . $message . "\033[0m";
-
 		$context = [];
 		if (!empty($method)) $context['method'] = $method;
 		if (!empty($file)) $context['file'] = $file;
@@ -198,9 +202,6 @@ class Component implements Configure
 		if (!is_string($message)) {
 			$message = print_r($message, true);
 		}
-
-//		$message = "\033[36m" . $message . "\033[0m";
-
 		$context = [];
 		if (!empty($method)) $context['method'] = $method;
 		if (!empty($file)) $context['file'] = $file;
@@ -221,8 +222,6 @@ class Component implements Configure
 			$message = print_r($message, true);
 		}
 
-//		$message = "\033[33m" . $message . "\033[0m";
-
 		$context = [];
 		if (!empty($method)) $context['method'] = $method;
 		if (!empty($file)) $context['file'] = $file;
@@ -252,8 +251,6 @@ class Component implements Configure
 			}
 			$context = $method;
 		}
-//		$message = "\033[41;37m" . $message . "\033[0m";
-
 		if (!empty($method)) $context['method'] = $method;
 		if (!empty($file)) $context['file'] = $file;
 
diff --git a/kiri-engine/Error/Logger.php b/kiri-engine/Error/Logger.php
index 1c683a78..a72d8fa3 100644
--- a/kiri-engine/Error/Logger.php
+++ b/kiri-engine/Error/Logger.php
@@ -9,11 +9,11 @@ declare(strict_types=1);
 
 namespace Kiri\Error;
 
-use Note\Inject;
 use Exception;
 use Kiri\Abstracts\Component;
 use Kiri\Core\Json;
 use Kiri\Kiri;
+use Note\Inject;
 use Psr\Log\LoggerInterface;
 use Throwable;
 
@@ -46,9 +46,21 @@ class Logger extends Component
 	 */
 	public function getLastError(string $application = 'app'): string
 	{
-		return 'Unknown error.';
+		return $this->logs[$application] ?? 'Unknown error.';
 	}
 
+
+	/**
+	 * @param $message
+	 * @param $method
+	 * @return void
+	 */
+	public function fail($message, $method)
+	{
+		$this->logs[$method] = $message;
+	}
+
+
 	/**
 	 * @param string $messages
 	 * @param string $method
diff --git a/kiri-websocket-server/Server.php b/kiri-websocket-server/Server.php
index 2e62b89d..9ecdc227 100644
--- a/kiri-websocket-server/Server.php
+++ b/kiri-websocket-server/Server.php
@@ -56,10 +56,6 @@ class Server extends AbstractServer implements OnHandshakeInterface, OnMessageIn
 			return;
 		}
 		$this->callback = $handler->callback[0];
-
-		$this->server->on(Constant::HANDSHAKE, [$this, 'onHandshake']);
-		$this->server->on(Constant::MESSAGE, [$this, 'onMessage']);
-		$this->server->on(Constant::CLOSE, [$this, 'onClose']);
 	}
 
 
@@ -114,7 +110,7 @@ class Server extends AbstractServer implements OnHandshakeInterface, OnMessageIn
 	{
 		try {
 			if ($this->callback instanceof OnHandshakeInterface) {
-				$this->__handshake($request, $response);
+				$this->callback->onHandshake($request, $response);
 			} else {
 				$this->protocol($request, $response);
 			}
@@ -129,64 +125,6 @@ class Server extends AbstractServer implements OnHandshakeInterface, OnMessageIn
 	}
 
 
-	/**
-	 * @param Request $request
-	 * @param Response $response
-	 * @return void
-	 * @throws Exception
-	 */
-	private function __handshake(Request $request, Response $response)
-	{
-		$this->callback->onHandshake($request, $response);
-		$key = base64_encode(sha1($request->header['sec-websocket-key'] . self::SHA1_KEY, true));
-		if ($key != $response->header['Sec-Websocket-Accept']) {
-			throw new Exception('Protocol fail.');
-		}
-		$response->setStatusCode(101, 'connection success.');
-		$response->end();
-	}
-
-
-	/**
-	 * @param Request $request
-	 * @param Response $response
-	 * @return void
-	 */
-	private function _coroutine_server(Request $request, Response $response)
-	{
-		if ($this->server instanceof \Swoole\Coroutine\Http\Server) {
-			$response->upgrade();
-			$this->afterHandshake($request);
-			while (true) {
-				$data = $response->recv();
-				if ($data === '' || $data === false || $data instanceof CloseFrame) {
-					if (!($this->callback instanceof OnCloseInterface)) {
-						break;
-					}
-					$this->callback->onClose($this->server, $response->fd);
-					break;
-				}
-				if (!($this->callback instanceof OnMessageInterface)) {
-					continue;
-				}
-				$this->callback->onMessage($this->server, $data);
-			}
-		}
-	}
-
-
-	/**
-	 * @param $request
-	 */
-	public function afterHandshake($request)
-	{
-		if (!($this->callback instanceof OnOpenInterface)) {
-			return;
-		}
-		$this->callback->onOpen($this->server, $request);
-	}
-
-
 	/**
 	 * @param \Swoole\Server $server
 	 * @param Frame $frame