diff --git a/game-server/app/services/eventSercive.ts b/game-server/app/services/eventSercive.ts
index ce447a679..77fac75a6 100644
--- a/game-server/app/services/eventSercive.ts
+++ b/game-server/app/services/eventSercive.ts
@@ -20,6 +20,13 @@ export async function checkEventBattle(roleId: string, eventStatus: number, batt
     let refTime = eventStatus == EVENT_STATUS.OPEN? getEventTime(now): 0;
 
     let result = await EventRecordModel.setBattleCode(roleId, battleId, refTime, battleCode);
+    if (!result) {
+        if(refTime) {
+            let preTime = getEventTime(new Date(refTime - 1));
+            console.log('preTime:', preTime);
+            result = await EventRecordModel.setBattleCode(roleId, battleId, preTime, battleCode);
+        }
+    }
     if (!result) {
         return { status: -1, resResult: resResult(STATUS.EVENT_INFO_NOT_FOUND) };
     } else {