修复结算页商品价格显示

@@ -408,7 +408,7 @@ class CartModel
                     $oneGoods['name'] = $single['product_name'];
                     $oneGoods['color'] = $single['color_name'];
                     $oneGoods['size'] = $single['size_name'];
-                    $oneGoods['price'] = Helpers::transPrice($single['sales_price']);
+                    $oneGoods['price'] = Helpers::transPrice($single['last_price']);
                     $oneGoods['count'] = $single['buy_number'];
 
                     //gift=>是否赠品,advanceBuy=>是否加价购;