Yii transaction batch insert data

$transaction=Yii::app()->db->beginTransaction();
try{
$model1->save();
$model2->save();
$model3 ->save();
$model4->save();
$model5->save();
Error
$model6->save();
$transaction->commit();
 }
catch(Exception $e){
$transaction->rollBack();
}
model1, model2, model3, model4, model5 are still stored successfully!