alter:更新参数

@@ -294,18 +294,11 @@ class OrdersB2cAddRequest extends Request
      *
      * @var string
      */
-    public $order_goods;
-
-    /**
-     * 商品序号，从1 开始递增
-     *
-     * @var string
-     */
-    public $index = [];
-
+    public $order_goods = [];
 
     /**
      * 商品集合
+     *
      * @param $goods_id
      * @param $good_name
      * @param $price
@@ -315,9 +308,11 @@ class OrdersB2cAddRequest extends Request
      *
      * @return bool|mixed
      */
-    public function appendIndex($goods_id, $good_name, $price, $num, $dec_total, $deliveryItemId)
+    public function appendOrderGoods($goods_id, $good_name, $price, $num, $dec_total, $deliveryItemId)
     {
-        return parent::append('index', count($this->index), get_defined_vars());
+        $item = ['index' => count($this->order_goods) + 1] + get_defined_vars();
+
+        return parent::append('order_goods', count($this->order_goods), $item);
     }
 
     public function initialize()