diff --git a/app/src/main/java/com/xiaoqu/watch/ui/home/HomeFragment.kt b/app/src/main/java/com/xiaoqu/watch/ui/home/HomeFragment.kt
index 36c6186..fb019f1 100644
--- a/app/src/main/java/com/xiaoqu/watch/ui/home/HomeFragment.kt
+++ b/app/src/main/java/com/xiaoqu/watch/ui/home/HomeFragment.kt
@@ -139,42 +139,17 @@ class HomeFragment : BaseFragment<FragmentHomeBinding>() {
     override fun onResume() {
         super.onResume()
         if (notificationManager.pendingCount <= 0) {
-            // 全部已查看/无通知 → 清除
             activeDotCards.clear()
             renderDots()
             return
         }
-
-        // 有未读通知 → 用 preNotificationStats 精确补充红点到 activeDotCards
-        val baseline = notificationManager.preNotificationStats
-        if (baseline != null && activeDotCards.isEmpty()) {
-            // 非首页返回：activeDotCards 为空（view 重建），需要重新计算
-            viewLifecycleOwner.lifecycleScope.launch {
-                val result = safeApiCall { taskApi.getStatistics() }
-                if (result is ApiResult.Success && result.data != null) {
-                    val data = result.data
-                    val changed = notificationManager.diffStats(baseline, data)
-                    val ack = notificationManager.acknowledgedCards
-                    // 只加未查看的
-                    for (status in changed) {
-                        if (status !in ack) activeDotCards.add(status)
-                    }
-                    // 记录增量
-                    if (2 in changed) notificationManager.recordCardIncrement(2, data.waitForTask - baseline.waitForTask)
-                    if (3 in changed) notificationManager.recordCardIncrement(3, data.treatTask - baseline.treatTask)
-                    if (4 in changed) notificationManager.recordCardIncrement(4, data.incompleteTask - baseline.incompleteTask)
-                    // 更新数字
-                    tvPoolNum.text = data.waitForTask.toString()
-                    tvPunchNum.text = data.treatTask.toString()
-                    tvCompleteNum.text = data.incompleteTask.toString()
-                    notificationManager.lastStats = data
-                    renderDots()
-                }
-            }
-        } else {
-            // 首页返回（从卡片列表回来等）：activeDotCards 已有值，直接渲染
-            renderDots()
-        }
+        // 有未读通知 → 所有未 ack 的卡片显示红点
+        val ack = notificationManager.acknowledgedCards
+        activeDotCards.clear()
+        if (2 !in ack) activeDotCards.add(2)
+        if (3 !in ack) activeDotCards.add(3)
+        if (4 !in ack) activeDotCards.add(4)
+        renderDots()
     }
 
     override fun onDestroyView() {
@@ -387,30 +362,12 @@ class HomeFragment : BaseFragment<FragmentHomeBinding>() {
             if (result is ApiResult.Success && result.data != null) {
                 val data = result.data
 
-                // 对比红点：累积到 activeDotCards，不覆盖已有的
-                if (checkDots) {
-                    val oldStats = notificationManager.lastStats
-                    if (oldStats != null) {
-                        // 有旧数据 → 精确对比
-                        val changedCards = notificationManager.diffStats(oldStats, data)
-                        for (status in changedCards) {
-                            activeDotCards.add(status)
-                            val increment = when (status) {
-                                2 -> data.waitForTask - oldStats.waitForTask
-                                3 -> data.treatTask - oldStats.treatTask
-                                4 -> data.incompleteTask - oldStats.incompleteTask
-                                else -> 0
-                            }
-                            notificationManager.recordCardIncrement(status, increment)
-                        }
-                    } else {
-                        // 无旧数据（首次加载 lastStats 还为 null）→ 有 pending 通知就显示所有有值的
-                        if (notificationManager.pendingCount > 0) {
-                            if (data.waitForTask > 0) activeDotCards.add(2)
-                            if (data.treatTask > 0) activeDotCards.add(3)
-                            if (data.incompleteTask > 0) activeDotCards.add(4)
-                        }
-                    }
+                // 有 pending 通知 → 所有未 ack 的卡片显示红点（不用 diffStats，避免竞态）
+                if (checkDots && notificationManager.pendingCount > 0) {
+                    val ack = notificationManager.acknowledgedCards
+                    if (2 !in ack) activeDotCards.add(2)
+                    if (3 !in ack) activeDotCards.add(3)
+                    if (4 !in ack) activeDotCards.add(4)
                     renderDots()
                 }