diff --git a/server/app/worker.py b/server/app/worker.py
index 2baadb1..666f346 100644
--- a/server/app/worker.py
+++ b/server/app/worker.py
@@ -53,7 +53,8 @@ celery_app.conf.beat_schedule = {
     },
     "push-generate-daily-schedule": {
         "task": "tasks.push.generate_daily_schedule",
-        "schedule": crontab(minute=10, hour=0),
+        # 由“每天一次”调整为“每 2 小时一次”（UTC）
+        "schedule": crontab(minute=10, hour="*/2"),
         "kwargs": {"max_users": 5000},
         "options": {"queue": f"{prefix}:celery"},
     }