diff --git a/app/common/controller/PostController.php b/app/common/controller/PostController.php
index dd5bb6f..7cf7a06 100644
--- a/app/common/controller/PostController.php
+++ b/app/common/controller/PostController.php
@@ -99,7 +99,7 @@ class PostController extends BaseController
         }
 
         if (isset($data['sku_id'])){
-            $sku = Sku::where('id', $data['sku_id'])->first();
+            $sku = Sku::where('id', $data['sku_id'])->first()->toArray();
 
             if($sku){
                 $sku['main_image_pull'] = $ossservice->generatePrivateUrl($sku['main_image']);