computer

@@ -52,6 +52,26 @@ class BuyNowController {
             res.clearCookie('buynow_info', actCkOpthn);
         }
 
+        // 是否需要重新计算
+        let needReComputer = orderInfo && !_.isEmpty(orderInfo) &&
+            (orderInfo.yohoCoin || orderInfo.coupon_code);
+        let computerPromise = null;
+
+        if (needReComputer) {
+            computerPromise = req.ctx(BuyNowModel).compute({
+                uid: uid,
+                product_sku: product_sku,
+                sku_type: req.query.sku_type,
+                buy_number: buy_number,
+                payment_type: orderInfo.payment_type,
+                delivery_way: orderInfo.delivery_way,
+                use_yoho_coin: parseInt(orderInfo.use_yoho_coin, 10),
+                coupon_code: orderInfo.coupon_code,
+                gift_card_code: orderInfo.gift_card_code,
+                promotion_code: orderInfo.promotion_code
+            });
+        }
+
         co(function * () {
             let [userProfile, address, result, computeData, validCouponCount, validGiftCardCount] =
                 yield Promise.all([
@@ -64,18 +84,7 @@ class BuyNowController {
                         buy_number: buy_number,
                         yoho_coin_mode: parseInt(orderInfo.use_yoho_coin, 10) > 0 ? 1 : 0
                     }),
-                    req.ctx(BuyNowModel).compute({
-                        uid: uid,
-                        product_sku: product_sku,
-                        sku_type: req.query.sku_type,
-                        buy_number: buy_number,
-                        payment_type: orderInfo.payment_type,
-                        delivery_way: orderInfo.delivery_way,
-                        use_yoho_coin: parseInt(orderInfo.use_yoho_coin, 10),
-                        coupon_code: orderInfo.coupon_code,
-                        gift_card_code: orderInfo.gift_card_code,
-                        promotion_code: orderInfo.promotion_code
-                    }),
+                    computerPromise,
                     req.ctx(BuyNowModel).countUsableCoupon({
                         uid: uid,
                         product_sku: req.query.product_sku,
@@ -120,7 +129,7 @@ class BuyNowController {
                         coupon: paymentProcess.handleCoupons({
                             paymentApiCouponData: _.get(result, 'data.coupon_pay', {}),
                             validCouponCount: _.get(validCouponCount, 'data.count', 0),
-                            orderComputeCouponPay: _.get(computeData, 'coupon_pay')
+                            orderComputeCouponPay: _.get(computeData, 'data.coupon_pay')
                         }),
                         selectAddressUrl: helpers.urlFormat('/cart/index/buynow/selectAddress', {
                             product_sku: product_sku,