diff --git a/game-server/app/services/comBattleService.ts b/game-server/app/services/comBattleService.ts
index a53fa931d..48d959375 100644
--- a/game-server/app/services/comBattleService.ts
+++ b/game-server/app/services/comBattleService.ts
@@ -183,7 +183,7 @@ export async function getRealReward(blueprtId: number, roleSts: RoleStatus[], ro
         }
     }
     if(hasTimeExtraReward && hasExtraReward) {
-        let sameGuildCnt = roleSts.filter(cur => cur.guildCode == roleSt.guildCode && cur.roleId != roleSt.roleId).length;
+        let sameGuildCnt = roleSts.filter(cur => !!roleSt.guildCode && cur.guildCode == roleSt.guildCode && cur.roleId != roleSt.roleId).length;
         if(sameGuildCnt > 0) {
             let dicGuildReward = roleSt.isCap? dicReward.captainTimeGuildReward: dicReward.teammateTimeGuildReward;
             let guildRewards = dicGuildReward.get(sameGuildCnt)||[]