diff --git a/internal/biz/vo/cache.go b/internal/biz/vo/cache.go
index dcdb2cf..376012b 100644
--- a/internal/biz/vo/cache.go
+++ b/internal/biz/vo/cache.go
@@ -29,7 +29,7 @@ var CacheKeyMap = map[CacheKey]time.Duration{
 	CmbOrderLockKey:                     30 * time.Second,
 	CmbQueryLockKey:                     30 * time.Second,
 	CmbProductQueryLockKey:              30 * time.Second,
-	CmbBatchNoticeCacheKey:              43200 * time.Second,
+	CmbBatchNoticeCacheKey:              21600 * time.Second, // 6小时
 	CmbBatchNoticeLockKey:               300 * time.Second,
 	OrderConsumeFailAlarmKey:            3600 * time.Second, // 1小时
 	OrderConsumeFailAlarmLockKey:        60 * time.Second,