购物车倒叙

@@ -171,6 +171,7 @@ class Cart extends Api
         $list = $model
             ->with(['goods','sku'])
             ->where('user_id',$this->auth->id)
+            ->order('createtime desc')
             ->select();
         foreach ($list as $key => $value){
             $value->getRelation('goods')->visible(['goods_name','goods_id']);