diff --git a/src/api/controllers/coupon.controller.ts b/src/api/controllers/coupon.controller.ts
index 037853e..92590aa 100644
--- a/src/api/controllers/coupon.controller.ts
+++ b/src/api/controllers/coupon.controller.ts
@@ -59,7 +59,7 @@ class CouponController extends BaseController {
     const record = await UserCoupon.findOne({ sid: id, accountId: sender })
     const recordNew = record.copy()
     recordNew.accountId = accountId
-    recordNew.source = 'share'
+    recordNew.source = 'receive'
     recordNew.activityId = record.id
     await recordNew.save()
     const shop = await Shop.fetchByID(record.shop)
diff --git a/src/models/user/UserCoupon.ts b/src/models/user/UserCoupon.ts
index e7a6f9e..6f13c13 100644
--- a/src/models/user/UserCoupon.ts
+++ b/src/models/user/UserCoupon.ts
@@ -52,6 +52,8 @@ class UserCouponClass extends BaseModule {
   public count: number
   /**
    * 来源
+   * receive: 领取别人分享的
+   * share: 分享成就
    */
   @prop()
   public source: string
@@ -78,6 +80,11 @@ class UserCouponClass extends BaseModule {
    */
   @prop()
   public status: number
+  /**
+   * 过期时间
+   */
+  @prop({ default: 0 })
+  public expire: number
 
   public static async fetchCount({ accountId, shop, item }: { accountId: string; shop: string; item: string }) {
     let record = await UserCoupon.findOne({ accountId, shop, item })
@@ -89,6 +96,7 @@ class UserCouponClass extends BaseModule {
     record.shop = this.shop
     record.item = this.item
     record.count = this.count
+    record.expire = this.expire || 0
     record.status = 0
     return record
   }
@@ -104,6 +112,7 @@ class UserCouponClass extends BaseModule {
     source,
     activityId,
     rewardId,
+    expire,
   }: {
     accountId: string
     shop: string
@@ -112,6 +121,7 @@ class UserCouponClass extends BaseModule {
     source: string
     activityId: string
     rewardId: string
+    expire: number
   }) {
     for (let i = 0; i < count; i++) {
       let record = new UserCoupon({})
@@ -123,6 +133,7 @@ class UserCouponClass extends BaseModule {
       record.source = source
       record.rewardId = rewardId
       record.status = 0
+      record.expire = expire
       await record.save()
     }
   }
diff --git a/src/models/user/UserReward.ts b/src/models/user/UserReward.ts
index bb5ea19..b25f438 100644
--- a/src/models/user/UserReward.ts
+++ b/src/models/user/UserReward.ts
@@ -120,7 +120,11 @@ class UserRewardClass extends BaseModule {
       await saveRecord(0, count)
       let cdata = await Coupon.findById(itemId)
       name = cdata.name
-      await UserCoupon.addOne({ accountId, shop, item: itemId, count, source, activityId, rewardId })
+      let expire = 0
+      if (cdata.validDays) {
+        expire = Date.now() + cdata.validDays * 24 * 60 * 60 * 1000
+      }
+      await UserCoupon.addOne({ accountId, shop, item: itemId, count, source, activityId, rewardId, expire })
       await Coupon.updateCount(itemId, count)
       url = getCouponUrl(shop, itemId)
     }