diff --git a/examples/print.php b/examples/print.php
index 08b5028..de9be08 100644
--- a/examples/print.php
+++ b/examples/print.php
@@ -86,19 +86,19 @@ $scene = new Scene();//创建一个场景，
 
 $material1 = new materials\Disney(); //创建一个 Disney 材质
 $material2 = new materials\Metal();  //创建一个 Metal 材质
-$material1 = $scene->addmaterial($material1);   //将材质存入材质数组，并获得其键名
-$material2 = $scene->addmaterial($material2);   //将材质存入材质数组，并获得其键名
+$material1 = $scene->setMaterial($material1);   //将材质存入材质数组，并获得其键名
+$material2 = $scene->setMaterial($material2);   //将材质存入材质数组，并获得其键名
 
 $mix = new materials\Mix();     //创建 Mix 材质，
 $mix->material1 = $material1;   //为材质通道1 指定一个键名
 $mix->material2 = $material2;   //为材质通道2 指定一个键名
 $mix->amount = 0.6;     //指定混合系数为 0.6
-$mix = $scene->addmaterial($mix); //将材质存入材质数组，并获得其键名
+$mix = $scene->setMaterial($mix); //将材质存入材质数组，并获得其键名
 
 $obj = new objects\Objects( [ 'ply' => 'mesh-10086.ply','appliedtransformation' => '1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1' ] );     //创建一个的模型，
 $obj->material = $mix;       //为模型的材属性 指定一个键名
 
-$scene->addobjects($obj);  //将模型添加到场景中
+$scene->setObjects($obj);  //将模型添加到场景中
 
 
 /*
diff --git a/src/scene/Scene.php b/src/scene/Scene.php
index 03abd44..f832425 100644
--- a/src/scene/Scene.php
+++ b/src/scene/Scene.php
@@ -35,27 +35,64 @@ class Scene extends BaseCfg
     /**
      * @var array 相机数组
      */
-    private $camera = [];
+    private $cameras = [];
+
+    public static function createID()
+    {
+        static $num = 0;
+        $num++;
+        return $num;
+    }
 
 
-    public function addobjects($obj)
+    public function setObjects($obj)
     {
-        
         $temp = null;
-        $temp = sprintf("%014d",count($this->objects)+1);
+        $temp = sprintf("%014d",$obj->id);
         $this->objects[$temp] = $obj;
-
     }
 
-    public function addmaterial($material)
+    public function setMaterial($material)
     {
-        
         $temp = null;
-        $temp = $material->type.'_'.sprintf("%014d",count($this->materials)+1);
+        $temp = $material->type.'_'.sprintf("%014d",$material->id);
         $this->materials[$temp] = $material;
         return $temp;
+    }
+
 
+    public function setTexture($texture)
+    {
+        $temp = null;
+        $temp = $texture->type.'_'.sprintf("%014d",$texture->id);
+        $this->textures[$temp] = $texture;
+        return $temp;
+    }
+    
+    public function setVolume($volume)
+    {
+        $temp = null;
+        $temp = $volume->type.'_'.sprintf("%014d",$volume->id);
+        $this->volumes[$temp] = $volume;
+        return $temp;
+    }
+    
+    public function setLight($light)
+    {
+        $temp = null;
+        $temp = $light->type.'_'.sprintf("%014d",$light->id);
+        $this->lights[$temp] = $light;
+        return $temp;
+    }
+    
+    public function setCamera($camera)
+    {
+        $temp = null;
+        $temp = $camera->type.'_'.sprintf("%014d",$camera->id);
+        $this->cameras[$temp] = $camera;
+        return $temp;
     }
+    
 
 
 
diff --git a/src/scene/camera/Camera.php b/src/scene/camera/Camera.php
index 07db399..54b4264 100644
--- a/src/scene/camera/Camera.php
+++ b/src/scene/camera/Camera.php
@@ -2,11 +2,17 @@
 
 namespace Blobt\Luxcore\scene\camera;
 use Blobt\Luxcore\scene\BaseCfg;
+use Blobt\Luxcore\scene\Scene;
+use Blobt\Luxcore\core\Base;
 
 class Camera extends BaseCfg
 {
 
-
+    public function __construct($config = [])
+    {
+        $this->id = Scene::createID();
+        Base::__construct($config);
+    }
 
 }
 
diff --git a/src/scene/light/LigthBase.php b/src/scene/light/LigthBase.php
index 0f410ee..3d636bf 100644
--- a/src/scene/light/LigthBase.php
+++ b/src/scene/light/LigthBase.php
@@ -2,11 +2,18 @@
 
 namespace Blobt\Luxcore\scene\ligth;
 use Blobt\Luxcore\scene\BaseCfg;
+use Blobt\Luxcore\scene\Scene;
+use Blobt\Luxcore\core\Base;
 
 class LightBase extends BaseCfg
 {
 
 
+    public function __construct($config = [])
+    {
+        $this->id = Scene::createID();
+        Base::__construct($config);
+    }
 
 }
 
diff --git a/src/scene/materials/Disney.php b/src/scene/materials/Disney.php
index 61cabe8..7e59577 100644
--- a/src/scene/materials/Disney.php
+++ b/src/scene/materials/Disney.php
@@ -2,6 +2,8 @@
 
 namespace Blobt\Luxcore\scene\materials;
 use Blobt\Luxcore\core\Base;
+use Blobt\Luxcore\scene\Scene;
+
 
 class Disney extends MaterialsBase
 {
@@ -96,6 +98,7 @@ class Disney extends MaterialsBase
     public function __construct($config = [])
     {
         $this->type = self::TYPE_DISNEY;
+        $this->id = Scene::createID();
         $this->emissionCfg = new Emission($config);
         $this->visibility = new Visibility($config);
         Base::__construct($config);
diff --git a/src/scene/materials/Glass.php b/src/scene/materials/Glass.php
index f14da6c..4a64da4 100644
--- a/src/scene/materials/Glass.php
+++ b/src/scene/materials/Glass.php
@@ -2,6 +2,7 @@
 
 namespace Blobt\Luxcore\scene\materials;
 use Blobt\Luxcore\core\Base;
+use Blobt\Luxcore\scene\Scene;
 
 class Glass extends MaterialsBase
 {
@@ -79,6 +80,7 @@ class Glass extends MaterialsBase
     public function __construct($config = [])
     {
         $this->type =  self::TYPE_GLASS;
+        $this->id = Scene::createID();
         $this->emissionCfg = new Emission($config);
         $this->visibility = new Visibility($config);
         Base::__construct($config);
diff --git a/src/scene/materials/Glossy.php b/src/scene/materials/Glossy.php
index 07e2bd4..735d11d 100644
--- a/src/scene/materials/Glossy.php
+++ b/src/scene/materials/Glossy.php
@@ -2,6 +2,7 @@
 
 namespace Blobt\Luxcore\scene\materials;
 use Blobt\Luxcore\core\Base;
+use Blobt\Luxcore\scene\Scene;
 
 class Glossy extends MaterialsBase
 {
@@ -67,6 +68,7 @@ class Glossy extends MaterialsBase
     public function __construct($config = [])
     {
         $this->type = self::TYPE_GLOSSY;
+        $this->id = Scene::createID();
         $this->emissionCfg = new Emission($config);
         $this->visibility = new Visibility($config);
         Base::__construct($config);
diff --git a/src/scene/materials/Metal.php b/src/scene/materials/Metal.php
index 0510335..1f748ab 100644
--- a/src/scene/materials/Metal.php
+++ b/src/scene/materials/Metal.php
@@ -2,6 +2,7 @@
 
 namespace Blobt\Luxcore\scene\materials;
 use Blobt\Luxcore\core\Base;
+use Blobt\Luxcore\scene\Scene;
 
 class Metal extends MaterialsBase
 {
@@ -42,6 +43,7 @@ class Metal extends MaterialsBase
     public function __construct($config = [])
     {
         $this->type = self::TYPE_METAL;
+        $this->id = Scene::createID();
         $this->emissionCfg = new Emission($config);
         $this->visibility = new Visibility($config);
         Base::__construct($config);
diff --git a/src/scene/materials/Mix.php b/src/scene/materials/Mix.php
index 19e8133..ff49ee2 100644
--- a/src/scene/materials/Mix.php
+++ b/src/scene/materials/Mix.php
@@ -2,6 +2,7 @@
 
 namespace Blobt\Luxcore\scene\materials;
 use Blobt\Luxcore\core\Base;
+use Blobt\Luxcore\scene\Scene;
 
 class Mix extends MaterialsBase
 {
@@ -30,6 +31,7 @@ class Mix extends MaterialsBase
     public function __construct($config = [])
     {
         $this->type = self::TYPE_MIX;
+        $this->id = Scene::createID();
         $this->emissionCfg = new Emission($config);
         $this->visibility = new Visibility($config);
         Base::__construct($config);
diff --git a/src/scene/materials/NullMaterial.php b/src/scene/materials/NullMaterial.php
index 84aa2d5..2a834ca 100644
--- a/src/scene/materials/NullMaterial.php
+++ b/src/scene/materials/NullMaterial.php
@@ -2,6 +2,7 @@
 
 namespace Blobt\Luxcore\scene\materials;
 use Blobt\Luxcore\core\Base;
+use Blobt\Luxcore\scene\Scene;
 
 class NullMaterial extends MaterialsBase
 {
@@ -26,6 +27,7 @@ class NullMaterial extends MaterialsBase
     public function __construct($config = [])
     {
         $this->type = self::TYPE_NULL;
+        $this->id = Scene::createID();
         $this->emissionCfg = new Emission($config);
         $this->visibility = new Visibility($config);
         Base::__construct($config);
diff --git a/src/scene/materials/Roughmatte.php b/src/scene/materials/Roughmatte.php
index 3d95f30..dceff8a 100644
--- a/src/scene/materials/Roughmatte.php
+++ b/src/scene/materials/Roughmatte.php
@@ -2,6 +2,7 @@
 
 namespace Blobt\Luxcore\scene\materials;
 use Blobt\Luxcore\core\Base;
+use Blobt\Luxcore\scene\Scene;
 
 class Roughmatte extends MaterialsBase
 {
@@ -36,6 +37,7 @@ class Roughmatte extends MaterialsBase
     public function __construct($config = [])
     {
         $this->type = self::TYPE_ROUGHMATTE;
+        $this->id = Scene::createID();
         $this->emissionCfg = new Emission($config);
         $this->visibility = new Visibility($config);
         Base::__construct($config);
diff --git a/src/scene/objects/Objects.php b/src/scene/objects/Objects.php
index 83bdb02..4f4a83a 100644
--- a/src/scene/objects/Objects.php
+++ b/src/scene/objects/Objects.php
@@ -3,6 +3,7 @@
 namespace Blobt\Luxcore\scene\objects;
 use Blobt\Luxcore\core\Base;
 use Blobt\Luxcore\scene\BaseCfg;
+use Blobt\Luxcore\scene\Scene;
 
 class Objects extends BaseCfg
 {
@@ -34,7 +35,7 @@ class Objects extends BaseCfg
 
     public function __construct($config = [])
     {
-        $this->id = rand(0,1000000);
+        $this->id = Scene::createID();
         Base::__construct($config);
     }
 
diff --git a/src/scene/texture/TextureBase.php b/src/scene/texture/TextureBase.php
index bd0cdc0..eac2cb4 100644
--- a/src/scene/texture/TextureBase.php
+++ b/src/scene/texture/TextureBase.php
@@ -2,11 +2,18 @@
 
 namespace Blobt\Luxcore\scene\texture;
 use Blobt\Luxcore\scene\BaseCfg;
+use Blobt\Luxcore\scene\Scene;
+use Blobt\Luxcore\core\Base;
 
 class TextureBase extends BaseCfg
 {
 
 
+    public function __construct($config = [])
+    {
+        $this->id = Scene::createID();
+        Base::__construct($config);
+    }
 
 }
 
diff --git a/src/scene/volumes/VolumesBase.php b/src/scene/volumes/VolumesBase.php
index 2128ec8..7829231 100644
--- a/src/scene/volumes/VolumesBase.php
+++ b/src/scene/volumes/VolumesBase.php
@@ -2,11 +2,18 @@
 
 namespace Blobt\Luxcore\scene\volumes;
 use Blobt\Luxcore\scene\BaseCfg;
+use Blobt\Luxcore\scene\Scene;
+use Blobt\Luxcore\core\Base;
 
 class VolumesBase extends BaseCfg
 {
 
 
+    public function __construct($config = [])
+    {
+        $this->id = Scene::createID();
+        Base::__construct($config);
+    }
 
 }