diff --git a/game-server/app/services/normalBattleService.ts b/game-server/app/services/normalBattleService.ts
index bcd677952..254ec56d0 100644
--- a/game-server/app/services/normalBattleService.ts
+++ b/game-server/app/services/normalBattleService.ts
@@ -115,7 +115,7 @@ export async function checkBattleHeroesByHid(roleId: string, heroes: Array<numbe
     return { isOK: flag, heroes: findHeroes };
 }
 
-export function calculateWarStar(warStar: WarStar[], battleId: number, stars: number[]) {
+export function calculateWarStar(warStar: WarStar[] = [], battleId: number, stars: number[] = []) {
     let newWarStars: WarStar[] = [];
     let newStars: number[] = [], newStar = 0;
     let hasFound = false;