edit

src/dai/seller/lib/Order.php

@@ -209,6 +209,10 @@ class Order
     # 扣费
     public function cash($seller_id, $goods_id, $sku_id, $value, $num = 1)
     {
+        if (!$value || $value <= 0) {
+            Dever::error('面值无效');
+        }
+        
         # 查询折扣 扣费
         $seller_goods = Dever::db('goods', 'seller')->find(array('seller_id' => $seller_id, 'goods_id' => $goods_id, 'sku_id' => $sku_id));