diff --git a/doc/api.md b/doc/api.md
index a64f18a..7c1a20e 100644
--- a/doc/api.md
+++ b/doc/api.md
@@ -504,9 +504,6 @@
 ```js
 {	
   tocket_lottery: 10, //用户在当前店铺拥有的抽奖券数量
-  share_rewards: [{
-		
-  }],
 }
 ```
 
@@ -595,7 +592,7 @@
 ### 16. 挑战详情
 
 1. Method: POST
-2. <span id="216">URI: /api/:accountid/shop</span>
+2. <span id="216">URI: /api/:accountid/exam_info</span>
 
 | 字段     | 说明                                   |
 | -------- | -------------------------------------- |
@@ -625,7 +622,9 @@
         count: 1, //数量
         couponUrl: '优惠券详情图的url',
         type: 0, //类型 0: 单局能获得的奖励 1: 累计榜积分奖励, 2: 累计榜排名奖励
-        score: '100', // 获得条件
+        rewardType: 0, // 0: 优惠券, 1: 抽奖券
+        score: 100, // 获得条件,type=2的类型, score是排名, 其他类型为积分
+        scoreEnd: 150, // 只有type=2的时候才需要考虑该值, 表示从第几名到第几名能获得奖励
         geted: 0, // 是否已获得, 0: 未获得, 1: 已获得
     	}
     ]
diff --git a/src/api/controllers/exam.controller.ts b/src/api/controllers/exam.controller.ts
index 5ebb6b4..2d66c7f 100644
--- a/src/api/controllers/exam.controller.ts
+++ b/src/api/controllers/exam.controller.ts
@@ -8,6 +8,8 @@ import { calcExamScore, getRank, transformRecord, updateExamRank } from '../../s
 import { Shop, validShopId } from '../../models/shop/Shop'
 import { UserReward } from '../../models/user/UserReward'
 import { ShopPuzzle } from '../../models/shop/ShopPuzzle'
+import { Coupon } from '../../models/shop/Coupon'
+import { getCouponUrl } from '../../services/File'
 
 class ExamController extends BaseController {
   @role('anon')
@@ -203,4 +205,50 @@ class ExamController extends BaseController {
     rspData.gameResult = gameResult
     return rspData
   }
+
+  @role('anon')
+  @router('post /api/:accountId/exam_info')
+  async examInfo(req: any) {
+    const { accountId, sid, eid } = req.params
+    if (!sid || !eid) {
+      throw new ZError(10, '缺少必要参数: sid或eid')
+    }
+    const shop = await Shop.fetchByID(sid)
+    if (!shop) {
+      throw new ZError(11, '无法找到对应店铺')
+    }
+    let examData = await ShopExam.findById(eid)
+    if (!examData) {
+      throw new ZError(12, '无法找到对应挑战记录')
+    }
+    const gotSet: Set<string> = await UserReward.userGotSet(accountId, shop.id, eid)
+    let rewardList = []
+    if (examData && examData.rewardInfo && examData.rewardInfo.length > 0) {
+      let couponMap: Map<string, any> = new Map()
+      for (let reward of examData.rewardInfo) {
+        let name = '抽奖券'
+        let couponUrl = ''
+        if (reward.rewardType === 0) {
+          if (!couponMap.has(reward.coupon)) {
+            let coupon = await Coupon.findById(reward.coupon)
+            couponMap.set(coupon.id, coupon)
+          }
+          name = couponMap.get(reward.coupon).name
+          couponUrl = getCouponUrl(shop.id, reward.coupon)
+        }
+        rewardList.push({
+          coupon: reward.coupon,
+          name,
+          count: reward.count,
+          couponUrl,
+          type: reward.type,
+          score: reward.rank,
+          scoreEnd: reward.rankEnd,
+          rewardType: reward.rewardType,
+          geted: gotSet.has(reward._id + '') ? 1 : 0,
+        })
+      }
+    }
+    return rewardList
+  }
 }
diff --git a/src/api/controllers/game_user.controller.ts b/src/api/controllers/game_user.controller.ts
index db13a23..aa86b70 100644
--- a/src/api/controllers/game_user.controller.ts
+++ b/src/api/controllers/game_user.controller.ts
@@ -71,8 +71,20 @@ class GameUserController extends BaseController {
     }
     let result: any = {}
     result.tocket_lottery = await UserItem.fetchCount({ accountId, shop: sid, item: LOTTERY_TICKET })
-    let numInvite = await getShopInviteeNum(accountId, sessionid, shop.numid)
-
     return result
   }
+
+  @role('anon')
+  @router('post /api/:accountId/share_rewards')
+  async shareRewards(req: any) {
+    const { accountId, sid, sessionid } = req.params
+    if (!sid) {
+      throw new ZError(10, '缺少必要参数: sid')
+    }
+    const shop = await Shop.fetchByID(sid)
+    if (!shop) {
+      throw new ZError(11, '无法找到对应店铺')
+    }
+    let numInvite = await getShopInviteeNum(accountId, sessionid, shop.numid)
+  }
 }
diff --git a/src/models/user/UserReward.ts b/src/models/user/UserReward.ts
index 809d288..0beb0a8 100644
--- a/src/models/user/UserReward.ts
+++ b/src/models/user/UserReward.ts
@@ -16,6 +16,7 @@ import { UserCoupon } from './UserCoupon'
 @dbconn()
 @index({ accountId: 1 }, { unique: false })
 @index({ accountId: 1, shop: 1 }, { unique: false })
+@index({ accountId: 1, shop: 1, activityId: 1 }, { unique: false })
 @index({ accountId: 1, shop: 1, rewardId: 1, source: 1, activityId: 1 }, { unique: false })
 @modelOptions({ schemaOptions: { collection: 'game_user_reward', timestamps: true } })
 class UserRewardClass extends BaseModule {
@@ -182,6 +183,15 @@ class UserRewardClass extends BaseModule {
     ).limit(1)
     return records.length > 0
   }
+
+  public static async userGotSet(accountId: string, shop: string, activityId: string) {
+    let records = await UserReward.find({ accountId, shop, activityId })
+    let result: Set<string> = new Set()
+    for (const record of records) {
+      result.add(record.rewardId)
+    }
+    return result
+  }
 }
 
 export const UserReward = getModelForClass(UserRewardClass, { existingConnection: UserRewardClass.db })