diff --git a/src/models/UserReward.ts b/src/models/UserReward.ts
index 8be850f..27a8d4d 100644
--- a/src/models/UserReward.ts
+++ b/src/models/UserReward.ts
@@ -106,7 +106,7 @@ class UserRewardClass extends BaseModule {
         shop: record.shop,
         shopName: shopMap.get(record.shop),
         coupon: record.coupon,
-        couponName: couponMap.get(record.coupon),
+        couponName: couponMap.get(record.coupon).name,
         couponUrl: getCouponUrl(sid, record.coupon),
         status: record.status
       })