更新产品扩展字段

@@ -284,7 +284,7 @@ class ProductController extends BaseController
      */
     public function getExtendInfo($product_id){
         $extendModel = new Extend();
-        $list = $extendModel->list();
+        $list = $extendModel->list([],'id',['type','key','title']);
         if(empty($list)){
             return [];
         }