From afe4248799e9a4f5db7f9df1fa65227a06173bc2 Mon Sep 17 00:00:00 2001
From: Lindy <33708359+Lindysen@users.noreply.github.com>
Date: Mon, 7 Sep 2020 20:11:47 +0800
Subject: [PATCH] fix(CouponCell): fix discounted price (#7123)

---
 src/coupon-cell/index.tsx | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/coupon-cell/index.tsx b/src/coupon-cell/index.tsx
index 46259f10f..87a9c1aa1 100644
--- a/src/coupon-cell/index.tsx
+++ b/src/coupon-cell/index.tsx
@@ -1,5 +1,5 @@
 // Utils
-import { createNamespace } from '../utils';
+import { createNamespace, isDef } from '../utils';
 import { inherit } from '../utils/functional';
 
 // Components
@@ -26,7 +26,15 @@ function formatValue(props: CouponCellProps) {
   const coupon = coupons[+chosenCoupon];
 
   if (coupon) {
-    const value = coupon.value || coupon.denominations || 0;
+    let value = 0;
+    if (isDef(coupon.value)) {
+      ({ value } = coupon);
+    }
+
+    if (isDef(coupon.denominations)) {
+      value = coupon.denominations!;
+    }
+
     return `-${currency} ${(value / 100).toFixed(2)}`;
   }