diff --git a/game-server/app/servers/battle/handler/pvpHandler.ts b/game-server/app/servers/battle/handler/pvpHandler.ts
index 32d478a47..4558f1a88 100644
--- a/game-server/app/servers/battle/handler/pvpHandler.ts
+++ b/game-server/app/servers/battle/handler/pvpHandler.ts
@@ -373,7 +373,7 @@ export class PvpHandler {
         return resResult(STATUS.SUCCESS, pick(result, pickParam));
     }
 
-    async saveAttack(msg: { heroes: { actorId: number, order: number }[] }, session: BackendSession) {
+    async saveAttack(msg: { heroes: { actorId: number, order: number, subHid: number }[] }, session: BackendSession) {
         let { heroes } = msg;
         let roleId = session.get('roleId');
         let serverId = session.get('serverId');
@@ -395,12 +395,15 @@ export class PvpHandler {
         let refChallengeObj = await refChallengeCnt(pvpDefense.challengeCnt, pvpDefense.challengeRefTime, seasonEndTime, roleId, session.get('vipStartTime'));
         // 更新挑战阵容
         let scores: number[] = [];
-        for(let { actorId } of heroes) {
+        for(let { actorId, subHid } of heroes) {
             if(isHeroHidden(actorId)) return resResult(STATUS.HERO_IS_HIDDEN);
             let heroScore = pvpDefense.heroScores.find(cur => cur.hid == actorId);
             if(heroScore) {
                 scores.push(heroScore.score);
             }
+            let dicHero = gameData.hero.get(actorId);
+            if(subHid && (!dicHero || dicHero.urType != 1)) return resResult(STATUS.HERO_CAN_NOT_SET_SUB);
+            if(subHid && heroes.findIndex(hero => hero.actorId == subHid) != -1) return resResult(STATUS.HERO_SUB_DUPLICATE);
         }
         let attack = new Attack(heroes, scores);
         let lineupCe = await generPvpLineupCe(roleId, pvpDefense.lineupCe, attack.heroes, pvpDefense.defense?.heroes??[], []);
diff --git a/shared/domain/battleField/pvp.ts b/shared/domain/battleField/pvp.ts
index 9621bbe5f..6f5c8af2b 100644
--- a/shared/domain/battleField/pvp.ts
+++ b/shared/domain/battleField/pvp.ts
@@ -73,6 +73,8 @@ export class AttackHero {
     actorId: number;        // 武将id
     @prop({ required: true })
     order: number;
+    @prop({ required: false })
+    subHid: number;
 }
 
 // 挑战阵容