diff --git a/game-server/app/servers/activity/handler/dailyCoinHandler.ts b/game-server/app/servers/activity/handler/dailyCoinHandler.ts
index a25183a8a..dafd8c9a4 100644
--- a/game-server/app/servers/activity/handler/dailyCoinHandler.ts
+++ b/game-server/app/servers/activity/handler/dailyCoinHandler.ts
@@ -128,7 +128,7 @@ export class DailyCoinHandler {
         //免费期间
         let time = moment(new Date()).valueOf();
         let result = await addReward(roleId, roleName, sid, serverId, newReward)
-        await ActivityDailyCoinModel.addExchangeRecord(serverId, activityId, roleId, playerData.beginTime, count, addCoin, `${count}&${consumeGold}&${addCoin}&${time}`);
+        await ActivityDailyCoinModel.addExchangeRecord(serverId, activityId, roleId, playerData.roundIndex, count, addCoin, `${count}&${consumeGold}&${addCoin}&${time}`);
 
         let exchangeCount = playerData.exchangeCount + count;
         return resResult(STATUS.SUCCESS, Object.assign(result, {
diff --git a/game-server/app/services/activity/dailyCoinService.ts b/game-server/app/services/activity/dailyCoinService.ts
index a49285b95..f74f676f8 100644
--- a/game-server/app/services/activity/dailyCoinService.ts
+++ b/game-server/app/services/activity/dailyCoinService.ts
@@ -25,7 +25,7 @@ export async function dailyCoinActivity(serverId: number, roleId: string) {
     let { createTime } = await RoleModel.findByRoleId(roleId);
     let playerData = new DailyCoinData(activityData, createTime);
 
-    let playerRecord: ActivityDailyCoinModelType = await ActivityDailyCoinModel.findData(serverId, activityData.activityId, roleId, playerData.beginTime);
+    let playerRecord: ActivityDailyCoinModelType = await ActivityDailyCoinModel.findData(serverId, activityData.activityId, roleId, playerData.roundIndex);
     playerData.setPlayerRecords(playerRecord);
     return playerData;
 }
@@ -44,7 +44,7 @@ export async function getPlayerDailyCoinData(activityId: number, serverId: numbe
     let { createTime } = await RoleModel.findByRoleId(roleId);
     let playerData = new DailyCoinData(activityData, createTime);
 
-    let playerRecord: ActivityDailyCoinModelType = await ActivityDailyCoinModel.findData(serverId, activityData.activityId, roleId, playerData.beginTime);
+    let playerRecord: ActivityDailyCoinModelType = await ActivityDailyCoinModel.findData(serverId, activityData.activityId, roleId, playerData.roundIndex);
     playerData.setPlayerRecords(playerRecord);
     return playerData;
 }
diff --git a/shared/db/ActivityDailyCoin.ts b/shared/db/ActivityDailyCoin.ts
index 4949ac3a8..c9cbe655c 100644
--- a/shared/db/ActivityDailyCoin.ts
+++ b/shared/db/ActivityDailyCoin.ts
@@ -13,8 +13,8 @@ export default class Activity_Daily_Coin extends BaseModel {
     activityId: number;				// 活动Id
     @prop({ required: true })
     roleId: string;			        // 用户Id
-    @prop({ required: true })
-    beginTime: number;		        // 开始统计的时间
+    // @prop({ required: true })
+    // beginTime: number;		        // 开始统计的时间
     @prop({ required: true })
     exchangeCount: number;			// 兑换次数
     @prop({ required: true })
@@ -22,26 +22,28 @@ export default class Activity_Daily_Coin extends BaseModel {
     @prop({ required: true })
     recordMsg: string[];			    // 兑换记录 exchangeCount&cointCount
 
+    @prop({ required: true })
+    roundIndex: number;			    // 周期数
 
 
     //兑换记录
-    public static async addExchangeRecord(serverId: number, activityId: number, roleId: string, beginTime: number, count: number, coinCount: number, msg: string) {
-        let result = await ActivityDailyCoinModel.findOneAndUpdate({ serverId, activityId, roleId, beginTime },
+    public static async addExchangeRecord(serverId: number, activityId: number, roleId: string, roundIndex: number, count: number, coinCount: number, msg: string) {
+        let result = await ActivityDailyCoinModel.findOneAndUpdate({ serverId, activityId, roleId, roundIndex },
             { $inc: { exchangeCount: count, coinCount: coinCount }, $push: { recordMsg: msg } }, { upsert: true, new: true }).lean(true)
         return result;
     }
 
     //根据活动时间查询活动数据
-    public static async findData(serverId: number, activityId: number, roleId: string, beginTime: number) {
+    public static async findData(serverId: number, activityId: number, roleId: string, roundIndex: number) {
         let result: ActivityDailyCoinModelType = await ActivityDailyCoinModel.findOne({
-            serverId, roleId, activityId, beginTime,
+            serverId, roleId, activityId, roundIndex,
         }).lean(true);
         return result;
     }
 
     //删除活动兑换记录
-    public static async deleteActivity(serverId: number, activityId: number, roleId: string, beginTime: number) {
-        await ActivityDailyCoinModel.deleteMany({ serverId, roleId, activityId, beginTime });
+    public static async deleteActivity(serverId: number, activityId: number, roleId: string, roundIndex: number) {
+        await ActivityDailyCoinModel.deleteMany({ serverId, roleId, activityId, roundIndex });
     }
 }