diff --git a/game-server/app/servers/battle/handler/towerBattleHandler.ts b/game-server/app/servers/battle/handler/towerBattleHandler.ts
index 6299d6c62..1c797cc25 100644
--- a/game-server/app/servers/battle/handler/towerBattleHandler.ts
+++ b/game-server/app/servers/battle/handler/towerBattleHandler.ts
@@ -304,6 +304,7 @@ export class TowerBattleHandler {
 
         let role = await RoleModel.findByRoleId(roleId);
         let oldTowerLv = role.towerLv;
+        if(toLv <= oldTowerLv) return resResult(STATUS.TOWER_CANNOT_SKIP);
         let dicTower = gameData.tower.get(oldTowerLv);
         if(!dicTower.canSkip) {
             return resResult(STATUS.TOWER_CANNOT_SKIP);