修复计算商品总价时没有乘以商品数量

helper/order_helper.php

@@ -693,7 +693,7 @@ class order_helper
             $goods_amount = 0.00;
         }
         foreach ($goods_list as $goods) {
-            $goods_amount += doubleval($goods['goods_price']);
+            $goods_amount += doubleval($goods['goods_price']) * intval($goods['goods_num']);
         }
 
         return $goods_amount;