diff --git a/game-server/app/servers/battle/handler/pvpHandler.ts b/game-server/app/servers/battle/handler/pvpHandler.ts
index 061b47a8c..47c1085c6 100644
--- a/game-server/app/servers/battle/handler/pvpHandler.ts
+++ b/game-server/app/servers/battle/handler/pvpHandler.ts
@@ -10,7 +10,7 @@ import { PvpDefenseModel, OppPlayers } from '../../../db/PvpDefense';
 import { pvpEndParamInter } from '../../../pubUtils/interface';
 import { RankParam } from '../../../domain/rank';
 import { PlayerDetail, PlayerDetailHero } from '../../../domain/battleField/guild';
-import { PVP_HERO_POS, REDIS_KEY } from '../../../consts';
+import { PVP_HERO_POS, REDIS_KEY, LINEUP_NUM } from '../../../consts';
 import { PVP } from '../../../pubUtils/dicParam';
 import { addItems } from '../../../services/rewardService';
 import { HeroModel } from '../../../db/Hero';
@@ -304,7 +304,7 @@ export class PvpHandler {
     async saveDefense(msg: { heroes: Array<{actorId: number, dataId: number, order: number}>, isDefaultHero:boolean }, session: BackendSession) {
         let {heroes, isDefaultHero} = msg;
         let roleId = session.get('roleId');
-        if (heroes.length > 5 || heroes.length <= 0) {
+        if (heroes.length > LINEUP_NUM || heroes.length <= 0) {
             return resResult(STATUS.WRONG_PARMS);
         }
         heroes = uniq(heroes, function(item) {
@@ -335,7 +335,7 @@ export class PvpHandler {
                     defHeros[defIndex].dataId = dataId;
                     continue;
                 }
-                if (heroes[index].order < 1 || heroes[index].order > 5) {
+                if (heroes[index].order < 1 || heroes[index].order > LINEUP_NUM) {
                     return resResult(STATUS.WRONG_PARMS);
                 }
                 let hero = await HeroModel.findByHidAndRole(heroes[index].actorId, roleId);