diff --git a/src/public/scheduler/scheduler_watchdog.ts b/src/public/scheduler/scheduler_watchdog.ts
index 6ef9bb8..2d8bca4 100644
--- a/src/public/scheduler/scheduler_watchdog.ts
+++ b/src/public/scheduler/scheduler_watchdog.ts
@@ -34,7 +34,7 @@ export class WatchDog extends Scheduler {
         //获取今天0点之后在线的玩家
         let users = await G.mongodb.collection("user").find({
             lv: {$gt: 10},
-            newonlinetime: {$gte: G.time - 3600, $lte: G.time + 30}
+            newonlinetime: {$gte: G.time - 1800, $lte: G.time + 30}
         }, {
             projection: {
                 uid: 1,