军团活动：修复排行榜时间错误

game-server/app/services/guildActivity/guildActivityService.ts

@@ -51,6 +51,12 @@ export function getRaceActivityObj() {
     return raceActivityObj;
 }
 
+export function clearActivityObj() {
+    gateActivityObj = undefined;
+    cityActivityObj = undefined;
+    raceActivityObj = undefined;
+}
+
 /**
  * 定时任务，获得前一天的活跃玩家中位数武将战力
  */
@@ -295,14 +301,12 @@ export async function settleGuildActivityReward(aid: number) {
                 await gateActivitySettleReward(guildCode, serverId);
             }
         }
-        gateActivityObj = new GateActivityObject();
     } else if (aid == GUILD_ACTIVITY_TYPE.CITY_ACTIVITY) {
         let obj = getCityActivityObj();
         let { cities } = obj.getAllCities();
         for (let { serverId, cityId } of cities) {
             await cityActivitySettleReward(cityId, serverId);
         }
-        cityActivityObj = new CityActivityObject();
     } else if (aid == GUILD_ACTIVITY_TYPE.RACE_ACTIVITY) {
         let obj = getRaceActivityObj();
 
@@ -312,7 +316,6 @@ export async function settleGuildActivityReward(aid: number) {
                 await raceActivitySettleReward(guildCode, woodenHorse);
             }
         }
-        raceActivityObj = new RaceActivityObject();
     }
 }