diff --git a/shared/db/UserGuild.ts b/shared/db/UserGuild.ts
index c1a6fcbdd..b98d6bf06 100644
--- a/shared/db/UserGuild.ts
+++ b/shared/db/UserGuild.ts
@@ -145,13 +145,14 @@ export default class UserGuild extends BaseModel {
 
     public static async createUserGuild(guildCode: string, role: RoleType, isLeader: boolean) {
         const lastGuild = await UserGuildModel.findMyLastGuild(role.roleId, '+refTimeDaily');
-        let { receiveBoxs = [], donateCnt = 0, receivedActive = [], encourageCnt = 0, bossChallengeCnt = 0, receivedWishPool = [], wishGoods = [], wishDntCnt = 0, refTimeDaily, refBossTime, trainCount, buyTrainCount, trainTime  } = lastGuild||{};
+        let { receiveBoxs = [], donateCnt = 0, receivedActive = [], encourageCnt = 0, bossChallengeCnt = 0, receivedWishPool = [], wishGoods = [], wishDntCnt = 0, refTimeDaily, refBossTime, trainCount, buyTrainCount, trainTime, trainRewards = [] } = lastGuild||{};
 
         const doc = new UserGuildModel();
         let job = isLeader? GUILD_JOB.DAJIANGJUN: GUILD_JOB.SHIBING;
         let auth = isLeader? GUILD_AUTH.LEADER: GUILD_AUTH.MEMBER;
-        const update = Object.assign(doc.toJSON(), { guildCode, roleId: role.roleId, role: role._id, job, auth, receiveBoxs, donateCnt, receivedActive, encourageCnt, bossChallengeCnt, receivedWishPool, wishGoods, wishDntCnt, refTimeDaily, refBossTime, trainCount, buyTrainCount, trainTime });
+        const update = Object.assign(doc.toJSON(), { guildCode, roleId: role.roleId, role: role._id, job, auth, receiveBoxs, donateCnt, receivedActive, encourageCnt, bossChallengeCnt, receivedWishPool, wishGoods, wishDntCnt, refTimeDaily, refBossTime, trainCount, buyTrainCount, trainTime, trainRewards });
 
+        // trainRewards: 试炼奖励, 无论在任何情况下都不能被清空（次数可以重置，奖励领过就不能再领了，无论在哪个军团）
         // 【退出军团】 和 【再加入军团】在同一天
         if (isToday(role.quitGuildTime)) {
             // 同一个军团: 所有数据保留; 不同军团: 许愿池数据清空,当天不允许许愿,其他数据保留