diff --git a/examples/renderTest.php b/examples/renderTest.php
index e0de6e1..905a3ae 100644
--- a/examples/renderTest.php
+++ b/examples/renderTest.php
@@ -340,12 +340,15 @@ $render .= $sceneCfg;
 // 图像输出设置
 $imageOutPath = $sceneTemplatePath.'/imageOut';
 $film = new Film();
-// $filter = new Filter();
-// $filter->type = Filter::TYPE_GAUSSIAN;
+
+$filter = new Filter();
+$filter->type = Filter::TYPE_BLACKMANHARRIS;
 // $filter->gaussianAlpha = 2.0;
-// $film->filter = $filter;
-$film->width = 2048;
-$film->heigth = 2048;
+$filter->width = 1;
+
+$film->filter = $filter;
+$film->width = 4096;
+$film->heigth = 4096;
 
 $img = new Image();
 $img->effect = [new Pretreatment(),new ToneMapLinear(),new CammaCorrection()];