diff --git a/Database/Base/AbstractCollection.php b/Database/Base/AbstractCollection.php
index 1493bf29..5b164ecf 100644
--- a/Database/Base/AbstractCollection.php
+++ b/Database/Base/AbstractCollection.php
@@ -46,6 +46,15 @@ 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 4497ec10..e62ee380 100644
--- a/Database/Base/BaseActiveRecord.php
+++ b/Database/Base/BaseActiveRecord.php
@@ -98,12 +98,10 @@ abstract class BaseActiveRecord extends Component implements IOrm, ArrayAccess
 
 
 	/**
-	 *
-	 * @throws ComponentException
+	 * recover class by clone
 	 */
 	public function __clone()
 	{
-		$this->error('__clone ' . get_called_class());
 		$this->clean();
 	}
 
diff --git a/Database/Base/CollectionIterator.php b/Database/Base/CollectionIterator.php
index 220cec04..083ddbae 100644
--- a/Database/Base/CollectionIterator.php
+++ b/Database/Base/CollectionIterator.php
@@ -33,6 +33,15 @@ class CollectionIterator extends \ArrayIterator
 	}
 
 
+	/**
+	 * recover class by clone
+	 */
+	public function __clone()
+	{
+		$this->clean();
+	}
+
+
 	/**
 	 * CollectionIterator constructor.
 	 * @param $model
diff --git a/Database/Pagination.php b/Database/Pagination.php
index d57cf692..9b885677 100644
--- a/Database/Pagination.php
+++ b/Database/Pagination.php
@@ -61,6 +61,15 @@ class Pagination extends Component
 	}
 
 
+	/**
+	 * recover class by clone
+	 */
+	public function __clone()
+	{
+		$this->clean();
+	}
+
+
 	/**
 	 * @param array|Closure $callback
 	 * @throws Exception
diff --git a/System/Event.php b/System/Event.php
index 3f522334..288b8826 100644
--- a/System/Event.php
+++ b/System/Event.php
@@ -171,6 +171,14 @@ class Event extends BaseObject
 	}
 
 
+	/**
+	 * recover class by clone
+	 */
+	public function __clone()
+	{
+		$this->clean();
+	}
+
 	/**
 	 * @param $name
 	 * @param array $params