diff --git a/app/src/main/java/com/xiaoqu/watch/service/manager/NotificationManager.kt b/app/src/main/java/com/xiaoqu/watch/service/manager/NotificationManager.kt
index c069f9f..0331d4a 100644
--- a/app/src/main/java/com/xiaoqu/watch/service/manager/NotificationManager.kt
+++ b/app/src/main/java/com/xiaoqu/watch/service/manager/NotificationManager.kt
@@ -120,6 +120,12 @@ class NotificationManager @Inject constructor(
         val taskIds = parseTaskIds(rawJson)
         if (taskIds.isEmpty()) return
 
+        // 新通知到来 → 清除上一轮的已查看记录（新一轮通知周期开始）
+        if (acknowledgedCards.isNotEmpty()) {
+            Timber.d("通知: 新通知到来，清除上一轮 ack=${acknowledgedCards}")
+            acknowledgedCards.clear()
+        }
+
         // 保存通知到达前的统计快照（只在首次通知时保存，后续累积不覆盖）
         if (preNotificationStats == null) {
             preNotificationStats = lastStats?.copy()