diff --git a/Gii/GiiController.php b/Gii/GiiController.php
index 3eae73d7..05edf50f 100644
--- a/Gii/GiiController.php
+++ b/Gii/GiiController.php
@@ -61,6 +61,7 @@ namespace {$namespace};
 
 use Snowflake;
 use exception;
+use Annotation\Target;
 use Snowflake\Core\Str;
 use Snowflake\Core\JSON;
 use HttpServer\Http\Request;
@@ -82,7 +83,7 @@ use {$model_namespace}\\{$managerName};
  *
  * @package controller
  */
-class {$controllerName}Controller extends Controller
+#[Target] class {$controllerName}Controller extends Controller
 {
 
 ";
diff --git a/Gii/GiiModel.php b/Gii/GiiModel.php
index 81b65ba3..82f36faa 100644
--- a/Gii/GiiModel.php
+++ b/Gii/GiiModel.php
@@ -70,6 +70,7 @@ class GiiModel extends GiiBase
 namespace ' . $namespace . ';
 
 use Exception;
+use Annotation\Target;
 use Snowflake\Core\JSON;
 use Database\Connection;
 use Database\ActiveRecord;';
@@ -90,7 +91,7 @@ use Database\ActiveRecord;';
  *' . implode('', $this->visible) . '
  * @sql
  */
-class ' . $managerName . ' extends ActiveRecord
+#[Target] class ' . $managerName . ' extends ActiveRecord
 {';
 
 		if (!empty($class)) {
diff --git a/HttpServer/Abstracts/Callback.php b/HttpServer/Abstracts/Callback.php
index 8a3ea291..b232b869 100644
--- a/HttpServer/Abstracts/Callback.php
+++ b/HttpServer/Abstracts/Callback.php
@@ -33,6 +33,8 @@ abstract class Callback extends HttpService
 	protected function clear($server, $worker_id, $message)
 	{
 		try {
+			Timer::clearAll();
+
 			fire(Event::SYSTEM_RESOURCE_CLEAN);
 
 		    \logger()->insert();
diff --git a/System/Abstracts/Pool.php b/System/Abstracts/Pool.php
index 30370079..05b85f2d 100644
--- a/System/Abstracts/Pool.php
+++ b/System/Abstracts/Pool.php
@@ -274,9 +274,6 @@ abstract class Pool extends Component
 	 */
 	public function clean(string $name)
 	{
-		if ($this->creates > -1 && Timer::exists($this->creates)) {
-			Timer::clear($this->creates);
-		}
 		if (!Context::inCoroutine() || !isset($this->_items[$name])) {
 			return;
 		}
diff --git a/System/Error/ErrorHandler.php b/System/Error/ErrorHandler.php
index ef0cb742..093c2ca8 100644
--- a/System/Error/ErrorHandler.php
+++ b/System/Error/ErrorHandler.php
@@ -76,8 +76,6 @@ class ErrorHandler extends Component implements ErrorInterface
 	{
 		$this->category = 'exception';
 
-		var_dump($exception);
-
 		$event = Snowflake::app()->getEvent();
 		$event->trigger(Event::SYSTEM_RESOURCE_CLEAN);