diff --git a/examples/print.php b/examples/print.php
index 06e5021..ef5335d 100644
--- a/examples/print.php
+++ b/examples/print.php
@@ -32,7 +32,7 @@ echo $sampler;
 $lightStrategy = new LightStrategy();
 echo $lightStrategy;
 
-*/
+
 
 $filesaver = new FileSaver();
 
@@ -45,6 +45,10 @@ $film->outputs[3]['index'] = '中国最牛';
 
 echo $film;
 
+*/
+
+$img = new ImageSaverNumber();
 
+echo $img;
 
 ?>
diff --git a/src/scene/ImageSaverBase.php b/src/scene/ImageSaverBase.php
index cff8d89..dc43fb0 100644
--- a/src/scene/ImageSaverBase.php
+++ b/src/scene/ImageSaverBase.php
@@ -1,9 +1,11 @@
 <?php
 
 namespace Blobt\Luxcore\scene;
+use Blobt\Luxcore\core\Base;
 
 class ImageSaverBase extends BaseCfg
 {
+
     /**
      * 序列输出，根据需要的效果，进行相应的管线处理。文件保存格式：png
      */
@@ -22,8 +24,6 @@ class ImageSaverBase extends BaseCfg
     const TYPE_DIRECT_SHADOW_MASK = 'DIRECT_SHADOW_MASK';
     const TYPE_INDIRECT_SHADOW_MASK = 'INDIRECT_SHADOW_MASK';
 
-
-
     
     /**
      * Basic informatin（基本信息）不需要管线处理，文件保存格式：exr
@@ -51,15 +51,75 @@ class ImageSaverBase extends BaseCfg
     const TYPE_SAMPLECOUNT = 'SAMPLECOUNT';
     const TYPE_CONVERGENCE = 'CONVERGENCE';
     const TYPE_NOISE = 'NOISE';
+    
+
+
+    const PNG = [
+        self::TYPE_RGB_IMAGEPIPELINE,
+        self::TYPE_MATERIAL_ID,
+        self::TYPE_OBJECT_ID,
+        self::TYPE_MATERIAL_ID_COLOR,
+        self::TYPE_DIRECT_SHADOW_MASK,
+        self::TYPE_INDIRECT_SHADOW_MASK
+    ];
+
+    const EXR = [
+        self::TYPE_ALBEDO,
+        self::TYPE_RGB,
+        self::TYPE_DEPTH,
+        self::TYPE_RGBA,
+        self::TYPE_ALPHA,
+        self::TYPE_POSITION,
+        self::TYPE_GEOMETRY_NORMAL,
+        self::TYPE_SHADING_NORMAL,
+        self::TYPE_UV,
+        self::TYPE_AVG_SHADING_NORMAL,
+        self::TYPE_IRRADIANCE,
+        self::TYPE_RAYCOUNT,
+        self::TYPE_SAMPLECOUNT,
+        self::TYPE_CONVERGENCE,
+        self::TYPE_NOISE
+    ];
 
     /**
-     * @var string 使用何种渲染引擎(可取值是 PATHCPU、PATHGPU、BIDIRCPU 三个字符串之一)
+     * @var string 渲染的图像类型
      */
     public $type = self::TYPE_RGB_IMAGEPIPELINE;
 
     /**
-     * @var float   随机种子（取值：大于0的整数）
+     * @var string   图像输出文件名及格式
      */
-    public $filename = self::TYPE_RGB_IMAGEPIPELINE."png";
+    public $filename;
 
+    /**
+     * 设置默认的图像输出文件名及格式
+     */
+    public function __construct($config = [])
+    {
+        
+        Base::__construct($config);
+        if( in_array($this->type,self::PNG ) )
+        {
+            $this->filename = "{$this->type}.png";
+        }
+        else if ( in_array($this->type,self::EXR) )
+        {
+            $this->filename = "{$this->type}.exr";
+        }
+        else
+        {
+            $this->filename = "{$this->type}.jpg";
+        }
+
+    }
+
+
+    /**
+     * 用户自定的图像输出文件名及格式
+     */
+    public function setFileName($nameStr)
+    {
+        $this->filename = $nameStr;
+    }
 }
+?>
diff --git a/src/scene/ImageSaverNumber.php b/src/scene/ImageSaverNumber.php
index 28ced05..ab36b52 100644
--- a/src/scene/ImageSaverNumber.php
+++ b/src/scene/ImageSaverNumber.php
@@ -1,6 +1,7 @@
 <?php
 
 namespace Blobt\Luxcore\scene;
+use Blobt\Luxcore\core\Base;
 
 class ImageSaverNumber extends ImageSaverBase
 {
@@ -8,4 +9,34 @@ class ImageSaverNumber extends ImageSaverBase
      * @var integer 图像输出序号，当一幅图像需要管线处理时，处理管线依据此参数处理对应的图像（取值大于0的整数）
      */
     public $index = 0;
+
+    /**
+     * 设置默认的图像输出文件名及格式
+     */
+    public function __construct($config = [])
+    {
+        
+        Base::__construct($config);
+        if( in_array($this->type,self::PNG ) )
+        {
+            $this->filename = "{$this->type}_{$this->index}.png";
+        }
+        else if ( in_array($this->type,self::EXR) )
+        {
+            $this->filename = "{$this->type}_{$this->index}.exr";
+        }
+        else
+        {
+            $this->filename = "{$this->type}_{$this->index}.jpg";
+        }
+
+    }
+    
+    /**
+     * 用户自定的图像输出文件名及格式
+     */
+    public function setFileName($nameStr)
+    {
+        $this->filename = $nameStr;
+    }
 }