diff --git a/examples/renderTest.php b/examples/renderTest.php
index 905a3ae..1fa3332 100644
--- a/examples/renderTest.php
+++ b/examples/renderTest.php
@@ -342,8 +342,8 @@ $imageOutPath = $sceneTemplatePath.'/imageOut';
 $film = new Film();
 
 $filter = new Filter();
-$filter->type = Filter::TYPE_BLACKMANHARRIS;
-// $filter->gaussianAlpha = 2.0;
+$filter->type = Filter::TYPE_GAUSSIAN;
+$filter->gaussianAlpha = 1;
 $filter->width = 1;
 
 $film->filter = $filter;
diff --git a/src/scene/render/Film.php b/src/scene/render/Film.php
index 0798248..59ef018 100644
--- a/src/scene/render/Film.php
+++ b/src/scene/render/Film.php
@@ -82,6 +82,7 @@ class Film extends BaseCfg
             $object->index = $i + 1;
             if ($object->effect != null){
                 $this->imagepipelines[ sprintf("%03d",$object->index) ] = $object->effect;
+                $object->effect = null;
             }
             if(!$object->filename){
                 $object->filename = "{$nowTime}_{$object->type}_{$object->index}";