修复产品促销活动

app/Http/Controllers/Api/Orders.php

@@ -273,7 +273,7 @@ class Orders extends Api{
                     // 总优惠增加
                     $order['coupon_total']	 = $order['coupon_total']  + $promoProductPrice[$product['product_id']]['promo_rebate_price'];
                     // 当前商品的优惠折扣计算
-                    $product['coupon_total'] = number_format( $promoProductPrice[$product['product_id']]['rebate_price'] * ($product['price_total'] / $promoProductPrice[$product['product_id']]['price_total']) , 2 , '.' ,'');
+                    $product['coupon_total'] = number_format( $promoProductPrice[$product['product_id']]['promo_rebate_price'] * ($product['price_total'] / $promoProductPrice[$product['product_id']]['price_total']) , 2 , '.' ,'');
                     // 成交小计
                     $product['pay_total']	 = bcsub($product['pay_total'],$product['coupon_total'],2);
                 }