diff --git a/HttpServer/Abstracts/Callback.php b/HttpServer/Abstracts/Callback.php
index b232b869..8a3ea291 100644
--- a/HttpServer/Abstracts/Callback.php
+++ b/HttpServer/Abstracts/Callback.php
@@ -33,8 +33,6 @@ 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 c93c1dbe..9f5595bc 100644
--- a/System/Abstracts/Pool.php
+++ b/System/Abstracts/Pool.php
@@ -272,11 +272,11 @@ abstract class Pool extends Component
 	 */
 	public function clean(string $name)
 	{
-		Timer::clear($this->creates);
-		if (!Context::inCoroutine()) {
-			return;
+		var_dump($name);
+		if (Timer::exists($this->creates)) {
+			Timer::clear($this->creates);
 		}
-		if (!isset($this->_items[$name])) {
+		if (!Context::inCoroutine() || !isset($this->_items[$name])) {
 			return;
 		}
 		$channel = $this->_items[$name];