🐞 fix(名将擂台): 修复初次挑战对手失败时报错的问题

TypeError: Cannot destructure property 'battleGoods' of '(intermediate value)' as it is null

game-server/app/services/ladderService.ts

@@ -344,7 +344,7 @@ async function refreshOpp(ladderMatch: LadderMatchType, needRefresh: boolean) {
 
 export async function ladderBattleEndReward(roleId: string, roleName: string, sid: string, rank: number, isSuccess: boolean, historyRank: number, num: number) {
     let dicLadderDifficultRatio = gameData.ladderDifficultRatio.get(rank);
-    if(!dicLadderDifficultRatio) return null;
+    if(!dicLadderDifficultRatio) return { battleGoods: [], breakGoods: [] };
     let warReward = new WarReward(roleId, roleName, sid, dicLadderDifficultRatio.gkId, isSuccess);
     warReward.setLadderReward(dicLadderDifficultRatio.randomWinReward, true);
     warReward.setLadderReward(dicLadderDifficultRatio.randomFailReward, false);