diff --git a/examples/startDome.php b/examples/startDome.php
index fa9961f..5070357 100644
--- a/examples/startDome.php
+++ b/examples/startDome.php
@@ -129,11 +129,12 @@ $light = new lights\env\HdrImage(                    // new 一个环境光对
     [
         'gain' => "1.25 1.25 1.25",                  // 设置颜色增益
         'transformation' => "0.1736481 -0.9848078 0 0 -0.9848078 -0.1736481 0 0 0 0 1 0 0 0 0 1",   //设置对象变换
-        'file' => "env.png",                         // 加载一个全景图像文件
+        'file' => "./env.png",                       // 加载一个全景图像文件
         'gamma' => 1,                                // 设置一个校正全景图像文件的 gamma 值
         'storage' => "byte"                          // 声明这个图像文件表示色值的数据类型
     ]
 );
+$light->id = 0;                                      // 一个场景只能有一个环境光对象，并且 id 必须为 0
 $scene->registerLight($light);                       // 将环境光注册到 scene 中
 
 
@@ -154,7 +155,7 @@ $mapping->useUVMapping2d(                            // 使用"uvmapping2d"类
 
 $texture = new texture\procedural\ImageMap(          // 创建一个纹理
     [
-        'file' => "方形阴影遮照.png",                  // 加载一个图像文件
+        'file' => "./方形阴影遮照.png",                // 加载一个图像文件
         'gain' => 0.6,                               // 设置颜色增益
         'gamma' => 1,                                // 设置校正图像文件的gamma值
     ]
@@ -519,4 +520,10 @@ $handle = fopen( "/home/yuanjiajia/Desktop/blender/blender_test/scene/render.cfg
 fwrite($handle,$render);
 fclose($handle);
 
+$result = null;
+$var = null;
+$cmd = 'luxcoreconsole -o /home/yuanjiajia/Desktop/blender/blender_test/scene/render.cfg -f /home/yuanjiajia/Desktop/blender/blender_test/scene/scene.scn';
+exec($cmd, $result, $var);
+
+
 ?>
diff --git a/src/scene/BaseCfg.php b/src/scene/BaseCfg.php
index 1c90b96..8925756 100644
--- a/src/scene/BaseCfg.php
+++ b/src/scene/BaseCfg.php
@@ -50,7 +50,8 @@ class BaseCfg extends Base
             switch(gettype($value))
             {
                 case 'string':
-                    $ret .= "{$className}.{$name} = \"{$value}\"\n";
+                    // $ret .= "{$className}.{$name} = \"{$value}\"\n";
+                    $ret .= "{$className}.{$name} = {$value}\n";
                     break;
 
                 case 'integer':
@@ -81,7 +82,7 @@ class BaseCfg extends Base
                     break;
 
                 default:
-                    $ret .= "{$className}.{$name} = \"unknow type\"\n";                    
+                    $ret .= "{$className}.{$name} = \"unknow type\"\n";
             }
         }
         return $ret;
diff --git a/src/scene/materials/MaterialsBase.php b/src/scene/materials/MaterialsBase.php
index 25cb0a2..2a6725a 100644
--- a/src/scene/materials/MaterialsBase.php
+++ b/src/scene/materials/MaterialsBase.php
@@ -32,7 +32,7 @@ class MaterialsBase extends BaseCfg
                                                         //璃板的边缘可见，效果会更好。）
     const TYPE_ROUGHGLASS = 'roughglass';               //粗糙玻离材质类型，高光光泽度流程
     const TYPE_NULL = 'null';                           //空的材质
-    const TYPE_METAL = 'matal2';                        //金属度流程的金属材质
+    const TYPE_METAL = 'metal2';                        //金属度流程的金属材质
     const TYPE_MIRROR = 'mirror';                       //镜面材质，金属度
     const TYPE_CARPAINT = 'carpaint';                   //车漆材质，高光光泽度流程，使用此类材质不能设置不透明度
     const TYPE_CLOTH = 'cloth';                         //布料材质，高光光泽度流程
diff --git a/src/scene/render/Film.php b/src/scene/render/Film.php
index 1e75590..23e5482 100644
--- a/src/scene/render/Film.php
+++ b/src/scene/render/Film.php
@@ -83,6 +83,7 @@ class Film extends BaseCfg
                 $this->imagepipelines[ sprintf("%03d",$object->index) ] = $object->effect;
                 $object->effect = null;
             }
+            $object->filename = "../{$object->type}_{$object->index}.png";
         }
         $this->outputs[] = $object;
     }
diff --git a/src/scene/render/Image.php b/src/scene/render/Image.php
index 16ff566..93bd3b0 100644
--- a/src/scene/render/Image.php
+++ b/src/scene/render/Image.php
@@ -151,18 +151,15 @@ class Image extends BaseCfg
         Base::__construct($config);
         if( in_array($this->type,self::PNG ) )
         {
-            if($this->index == null) $this->filename = "../{$this->type}.png";
-            else $this->filename = "../{$this->type}_{$this->index}.png";            
+            $this->filename = "../{$this->type}.png";
         }
         else if ( in_array($this->type,self::EXR) )
         {
-            if($this->index == null) $this->filename = "../{$this->type}.exr";
-            else $this->filename = "../{$this->type}_{$this->index}.exr";
+            $this->filename = "../{$this->type}.exr";
         }
         else
         {
-            if($this->index == null) $this->filename = "../{$this->type}.jpg";
-            else $this->filename = "../{$this->type}_{$this->index}.jpg";
+            $this->filename = "../{$this->type}.jpg";
         }
         
     }
diff --git a/src/utils/StringHelper.php b/src/utils/StringHelper.php
index 1910ce7..32774fc 100644
--- a/src/utils/StringHelper.php
+++ b/src/utils/StringHelper.php
@@ -53,7 +53,8 @@ class StringHelper
             }
             else if( is_string($value) )
             {
-                $retStr[] = "{$key} = \"{$value}\"";
+                // $retStr[] = "{$key} = \"{$value}\"";
+                $retStr[] = "{$key} = {$value}";
             }
             else
             {