diff --git a/examples/renderTest.php b/examples/renderTest.php
index 2347563..544053e 100644
--- a/examples/renderTest.php
+++ b/examples/renderTest.php
@@ -338,10 +338,10 @@ $render .= $sceneCfg;
 // 图像输出设置
 $imageOutPath = $sceneTemplatePath.'/imageOut';
 $film = new Film();
-$filter = new Filter();
-$filter->type = Filter::TYPE_GAUSSIAN;
-$filter->gaussianAlpha = 2.0;
-$film->filter = $filter;
+// $filter = new Filter();
+// $filter->type = Filter::TYPE_GAUSSIAN;
+// $filter->gaussianAlpha = 2.0;
+// $film->filter = $filter;
 $film->width = 2048;
 $film->heigth = 2048;
 
diff --git a/src/scene/render/OpenCL.php b/src/scene/render/OpenCL.php
index 27ccbf3..440712d 100644
--- a/src/scene/render/OpenCL.php
+++ b/src/scene/render/OpenCL.php
@@ -9,7 +9,7 @@ class OpenCL extends BaseCfg
     /**
      * @var bool 是否使用cpu渲染，默认是
      */
-    public $cpuUse = self::CLOSE;
+    public $cpuUse = self::OPEN;
 
     /**
      * @var bool 是否使用gpu渲染，默认否