diff --git a/examples/print.php b/examples/print.php
index faddc77..08b5028 100644
--- a/examples/print.php
+++ b/examples/print.php
@@ -83,15 +83,20 @@ $scene = new Scene();//创建一个场景，
 
 
 //添加第一个模型
-$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，
 
-$mix = new materials\Mix();     //创建一个 Mix材质，
+$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
 
-$mix->material1 = new materials\Disney();//指定混合材质的第一个材质为 Disney
-$mix->material2 = new materials\Metal();//指定混合材质的第一个材质为 Metal
+$mix = new materials\Mix();     //创建 Mix 材质，
+$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
 
-$obj->material = $mix;       //为模型赋予这个混合材质
+$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
 
@@ -105,6 +110,6 @@ $scene->addObject($obj);   //将模型添加到场景中
 
 */
 
-//echo $scene;
+echo $scene;
 
 ?>
diff --git a/src/scene/Scene.php b/src/scene/Scene.php
index ac53d6c..03abd44 100644
--- a/src/scene/Scene.php
+++ b/src/scene/Scene.php
@@ -40,54 +40,25 @@ class Scene extends BaseCfg
 
     public function addobjects($obj)
     {
+        
         $temp = null;
-        $attributeArr = get_object_vars($obj);
+        $temp = sprintf("%014d",count($this->objects)+1);
+        $this->objects[$temp] = $obj;
 
-        $className = get_class($obj);
-        $className = array_reverse(explode('\\', $className))[0];
+    }
 
+    public function addmaterial($material)
+    {
         
-
-        switch($className)
-        {
-            case 'Objects':
-                $temp = sprintf("%014d",count($this->objects)+1);
-                $this->objects[$temp] = $obj;
-                break;
-
-            case 'MaterialsBase':
-                $temp = $obj->type.'_'.sprintf("%014d",count($this->materials)+1);
-                $this->materials[$temp] = $obj;
-                break;
-
-            case 'VolumesBase':
-                $temp = $obj->type.'_'.sprintf("%014d",count($this->volumes)+1);
-                $this->volumes[$temp] = $obj;
-                break;
-
-            case 'TextureBase':    
-                $temp = $obj->type.'_'.sprintf("%014d",count($this->textures)+1);
-                $this->textures[$temp] = $obj;
-                break;
-
-            default:
-                break;
-        }
-
-        foreach( $attributeArr as $key => $value)
-        {
-            if( $value instanceof texture\TextureBase || $value instanceof materials\MaterialsBase || $value instanceof volumes\VolumesBase )
-            {
-                $obj->$key = $this->addobjects( $value );
-            }
-        }
+        $temp = null;
+        $temp = $material->type.'_'.sprintf("%014d",count($this->materials)+1);
+        $this->materials[$temp] = $material;
         return $temp;
 
     }
 
 
 
-
     /*
     public function addObject( object $object )
     {