diff --git a/Database/Base/AbstractCollection.php b/Database/Base/AbstractCollection.php
index 5b164ecf..1493bf29 100644
--- a/Database/Base/AbstractCollection.php
+++ b/Database/Base/AbstractCollection.php
@@ -46,15 +46,6 @@ abstract class AbstractCollection extends Component implements \IteratorAggregat
 	}
 
 
-	/**
-	 * recover class by clone
-	 */
-	public function __clone()
-	{
-		$this->clean();
-	}
-
-
 	/**
 	 * Collection constructor.
 	 *
diff --git a/Database/Base/BaseActiveRecord.php b/Database/Base/BaseActiveRecord.php
index e62ee380..9c11189e 100644
--- a/Database/Base/BaseActiveRecord.php
+++ b/Database/Base/BaseActiveRecord.php
@@ -97,15 +97,6 @@ abstract class BaseActiveRecord extends Component implements IOrm, ArrayAccess
 	}
 
 
-	/**
-	 * recover class by clone
-	 */
-	public function __clone()
-	{
-		$this->clean();
-	}
-
-
 	/**
 	 * @throws Exception
 	 */
diff --git a/Database/Base/CollectionIterator.php b/Database/Base/CollectionIterator.php
index 083ddbae..220cec04 100644
--- a/Database/Base/CollectionIterator.php
+++ b/Database/Base/CollectionIterator.php
@@ -33,15 +33,6 @@ class CollectionIterator extends \ArrayIterator
 	}
 
 
-	/**
-	 * recover class by clone
-	 */
-	public function __clone()
-	{
-		$this->clean();
-	}
-
-
 	/**
 	 * CollectionIterator constructor.
 	 * @param $model
diff --git a/System/Event.php b/System/Event.php
index 288b8826..3f522334 100644
--- a/System/Event.php
+++ b/System/Event.php
@@ -171,14 +171,6 @@ class Event extends BaseObject
 	}
 
 
-	/**
-	 * recover class by clone
-	 */
-	public function __clone()
-	{
-		$this->clean();
-	}
-
 	/**
 	 * @param $name
 	 * @param array $params
diff --git a/System/Pool/ObjectPool.php b/System/Pool/ObjectPool.php
index 806e7318..af4d16ed 100644
--- a/System/Pool/ObjectPool.php
+++ b/System/Pool/ObjectPool.php
@@ -18,13 +18,20 @@ use Snowflake\Snowflake;
 class ObjectPool extends \Snowflake\Abstracts\Pool
 {
 
+	private array $_waitRecover = [];
+
 
 	/**
 	 * set pool max length
+	 * @throws ComponentException
+	 * @throws Exception
 	 */
 	public function init()
 	{
 		$this->max = 100;
+
+		$event = Snowflake::app()->getEvent();
+		$event->on(Event::EVENT_AFTER_REQUEST, [$this, 'destruct']);
 	}
 
 
@@ -62,7 +69,27 @@ class ObjectPool extends \Snowflake\Abstracts\Pool
 	 */
 	public function release(string $name, mixed $object)
 	{
-		$this->push($name, clone $object);
+		$this->_waitRecover[$name][] = $object;
+	}
+
+
+	public function destruct()
+	{
+		if (empty($this->_waitRecover)) {
+			return;
+		}
+		foreach ($this->_waitRecover as $name => $value) {
+			if (empty($value)) {
+				continue;
+			}
+			foreach ($value as $object) {
+				if (method_exists($object, 'clean')) {
+					$object->clean();
+				}
+				$this->push($name, $object);
+			}
+		}
+		$this->_waitRecover = [];
 	}
 
 }