diff --git a/src/utils/MatHelper.php b/src/utils/MatHelper.php
index 56ec9e2..57f723d 100644
--- a/src/utils/MatHelper.php
+++ b/src/utils/MatHelper.php
@@ -258,8 +258,8 @@ class MatHelper{
         );
 
         // 加载 透射 纹理
-        if($matOriginal->matParams->albedoTexture){
-            $textureUrl = $matOriginal->matParams->albedoTexture;
+        if($matOriginal->matParams->refractivityTexture){
+            $textureUrl = $matOriginal->matParams->refractivityTexture;
             $textureSavaPath = $cacheFileDir.'/'.basename($textureUrl);
             $textureHandle = fopen($textureSavaPath, "w");
             (new Client())->get($textureUrl, [RequestOptions::SINK => $textureHandle]);
@@ -297,7 +297,7 @@ class MatHelper{
             $material->setVroughness($roughnessTexture);
         }
 
-        
+
         return $material;
     }