购物车数量错误

@@ -15,7 +15,7 @@ use think\Db;
  */
 class Cart extends Api
 {
-//    protected $noNeedLogin = ['*'];
+    protected $noNeedLogin = [''];
     protected $noNeedRight = ['*'];
 
     /**
@@ -56,7 +56,6 @@ class Cart extends Api
         $spec_sku  = new Litestoregoodsspec();
         $spec_info = $spec_sku->where('goods_spec_id', $sku_id)->find();
         if ($cart) {
-
             if ( $number+ $cart['number'] < $spec_info['stock_num']) {
                 $this->error('库存不足');
             }