diff --git a/app/src/main/kotlin/li/songe/gkd/service/ManageService.kt b/app/src/main/kotlin/li/songe/gkd/service/ManageService.kt
index 261c3e6..8d1127c 100644
--- a/app/src/main/kotlin/li/songe/gkd/service/ManageService.kt
+++ b/app/src/main/kotlin/li/songe/gkd/service/ManageService.kt
@@ -6,6 +6,7 @@ import androidx.core.app.NotificationManagerCompat
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.debounce
 import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.launch
 import li.songe.gkd.app
@@ -16,6 +17,7 @@ import li.songe.gkd.notif.abNotif
 import li.songe.gkd.notif.createNotif
 import li.songe.gkd.notif.defaultChannel
 import li.songe.gkd.util.clickCountFlow
+import li.songe.gkd.util.getSubsStatus
 import li.songe.gkd.util.ruleSummaryFlow
 import li.songe.gkd.util.storeFlow
 
@@ -26,22 +28,22 @@ class ManageService : CompositionService({
     val scope = useScope()
     scope.launch {
         combine(
+            GkdAbService.isRunning,
+            storeFlow,
             ruleSummaryFlow,
             clickCountFlow,
-            storeFlow,
-            GkdAbService.isRunning
-        ) { allRules, clickCount, store, abRunning ->
+        ) { abRunning, store, ruleSummary, count ->
             if (!abRunning) return@combine "无障碍未授权"
             if (!store.enableService) return@combine "服务已暂停"
             if (store.useCustomNotifText) {
-                return@combine store.customNotifText.replace("$" + "{count}", clickCount.toString())
+                return@combine store.customNotifText
+                    .replace("\${a}", ruleSummary.globalGroups.size.toString())
+                    .replace("\${b}", ruleSummary.appSize.toString())
+                    .replace("\${c}", ruleSummary.appGroupSize.toString())
+                    .replace("\${d}", count.toString())
             }
-            allRules.numText + if (clickCount > 0) {
-                "/${clickCount}点击"
-            } else {
-                ""
-            }
-        }.stateIn(scope, SharingStarted.Eagerly, "").collect { text ->
+            return@combine getSubsStatus(ruleSummary, count)
+        }.debounce(500L).stateIn(scope, SharingStarted.Eagerly, "").collect { text ->
             createNotif(
                 context, defaultChannel.id, abNotif.copy(
                     text = text
diff --git a/app/src/main/kotlin/li/songe/gkd/ui/home/HomeVm.kt b/app/src/main/kotlin/li/songe/gkd/ui/home/HomeVm.kt
index 18bb555..bd71abc 100644
--- a/app/src/main/kotlin/li/songe/gkd/ui/home/HomeVm.kt
+++ b/app/src/main/kotlin/li/songe/gkd/ui/home/HomeVm.kt
@@ -21,6 +21,7 @@ import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.debounce
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.stateIn
+import li.songe.gkd.appScope
 import li.songe.gkd.data.GithubPoliciesAsset
 import li.songe.gkd.data.RawSubscription
 import li.songe.gkd.data.RpcError
@@ -32,6 +33,7 @@ import li.songe.gkd.util.SortTypeOption
 import li.songe.gkd.util.appInfoCacheFlow
 import li.songe.gkd.util.clickCountFlow
 import li.songe.gkd.util.client
+import li.songe.gkd.util.getSubsStatus
 import li.songe.gkd.util.launchTry
 import li.songe.gkd.util.map
 import li.songe.gkd.util.orderedAppInfosFlow
@@ -105,13 +107,11 @@ class HomeVm @Inject constructor() : ViewModel() {
         }
     }.stateIn(viewModelScope, SharingStarted.Eagerly, null)
 
-    val subsStatusFlow = combine(ruleSummaryFlow, clickCountFlow) { allRules, clickCount ->
-        allRules.numText + if (clickCount > 0) {
-            "/${clickCount}点击"
-        } else {
-            ""
-        }
-    }.stateIn(viewModelScope, SharingStarted.Eagerly, "")
+    val subsStatusFlow by lazy {
+        combine(ruleSummaryFlow, clickCountFlow) { ruleSummary, count ->
+            getSubsStatus(ruleSummary, count)
+        }.stateIn(appScope, SharingStarted.Eagerly, "")
+    }
 
     fun addSubsFromUrl(url: String) = viewModelScope.launchTry(Dispatchers.IO) {
         if (subsRefreshingFlow.value) return@launchTry
diff --git a/app/src/main/kotlin/li/songe/gkd/ui/home/SettingsPage.kt b/app/src/main/kotlin/li/songe/gkd/ui/home/SettingsPage.kt
index d983719..6052151 100644
--- a/app/src/main/kotlin/li/songe/gkd/ui/home/SettingsPage.kt
+++ b/app/src/main/kotlin/li/songe/gkd/ui/home/SettingsPage.kt
@@ -12,10 +12,13 @@ import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.outlined.HelpOutline
 import androidx.compose.material.icons.filled.Upload
 import androidx.compose.material.icons.outlined.Settings
 import androidx.compose.material3.AlertDialog
 import androidx.compose.material3.Card
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
 import androidx.compose.material3.LinearProgressIndicator
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.OutlinedTextField
@@ -50,6 +53,7 @@ import li.songe.gkd.ui.component.RotatingLoadingIcon
 import li.songe.gkd.ui.component.SettingItem
 import li.songe.gkd.ui.component.TextMenu
 import li.songe.gkd.ui.component.TextSwitch
+import li.songe.gkd.ui.component.buildDialogOptions
 import li.songe.gkd.ui.destinations.AboutPageDestination
 import li.songe.gkd.ui.destinations.AdvancedPageDestination
 import li.songe.gkd.ui.style.EmptyHeight
@@ -107,9 +111,7 @@ fun useSettingsPage(): ScaffoldExt {
             OutlinedTextField(
                 value = value,
                 placeholder = {
-                    Text(
-                        text = "请输入提示内容",
-                    )
+                    Text(text = "请输入提示内容")
                 },
                 onValueChange = {
                     value = it.take(maxCharLen)
@@ -145,7 +147,28 @@ fun useSettingsPage(): ScaffoldExt {
             mutableStateOf(store.customNotifText)
         }
         val maxCharLen = 64
-        AlertDialog(title = { Text(text = "通知文案") }, text = {
+        AlertDialog(title = {
+            Row(
+                verticalAlignment = Alignment.CenterVertically,
+                horizontalArrangement = Arrangement.SpaceBetween,
+                modifier = Modifier.fillMaxWidth(),
+            ) {
+                Text(text = "通知文案")
+                IconButton(onClick = throttle {
+                    mainVm.dialogFlow.value = buildDialogOptions(
+                        title = "文案规则",
+                        text = "通知文案支持变量替换,规则如下\n\${a} 全局规则数\n\${b} 应用数\n\${c} 应用规则组数\n\${d} 触发次数\n\n示例模板\n\${a}全局/\${b}应用/\${c}规则组/\${d}触发\n\n替换结果\n0全局/1应用/2规则组/3触发",
+                        confirmText = "知道了",
+                        confirmAction = { mainVm.dialogFlow.value = null },
+                    )
+                }) {
+                    Icon(
+                        imageVector = Icons.AutoMirrored.Outlined.HelpOutline,
+                        contentDescription = null,
+                    )
+                }
+            }
+        }, text = {
             OutlinedTextField(
                 value = value,
                 placeholder = {
diff --git a/app/src/main/kotlin/li/songe/gkd/util/Store.kt b/app/src/main/kotlin/li/songe/gkd/util/Store.kt
index 0a8fbfe..10166e4 100644
--- a/app/src/main/kotlin/li/songe/gkd/util/Store.kt
+++ b/app/src/main/kotlin/li/songe/gkd/util/Store.kt
@@ -65,7 +65,7 @@ data class Store(
     val showSaveSnapshotToast: Boolean = true,
     val useSystemToast: Boolean = false,
     val useCustomNotifText: Boolean = false,
-    val customNotifText: String = "GKD",
+    val customNotifText: String = "\${a}全局/\${b}应用/\${c}规则组/\${d}触发",
 )
 
 val storeFlow by lazy {
diff --git a/app/src/main/kotlin/li/songe/gkd/util/SubsState.kt b/app/src/main/kotlin/li/songe/gkd/util/SubsState.kt
index af2d612..6df06cc 100644
--- a/app/src/main/kotlin/li/songe/gkd/util/SubsState.kt
+++ b/app/src/main/kotlin/li/songe/gkd/util/SubsState.kt
@@ -131,8 +131,8 @@ data class RuleSummary(
     val appIdToGroups: ImmutableMap<String, ImmutableList<RawSubscription.RawAppGroup>> = persistentMapOf(),
     val appIdToAllGroups: ImmutableMap<String, ImmutableList<ResolvedAppGroup>> = persistentMapOf(),
 ) {
-    private val appSize = appIdToRules.keys.size
-    private val appGroupSize = appIdToGroups.values.sumOf { s -> s.size }
+    val appSize = appIdToRules.keys.size
+    val appGroupSize = appIdToGroups.values.sumOf { s -> s.size }
 
     val numText = if (globalGroups.size + appGroupSize > 0) {
         if (globalGroups.isNotEmpty()) {
@@ -285,6 +285,14 @@ val ruleSummaryFlow by lazy {
     }.flowOn(Dispatchers.Default).stateIn(appScope, SharingStarted.Eagerly, RuleSummary())
 }
 
+fun getSubsStatus(ruleSummary: RuleSummary, count: Int): String {
+    return if (count > 0) {
+        "${ruleSummary.numText}/${count}触发"
+    } else {
+        ruleSummary.numText
+    }
+}
+
 private fun loadSubs(id: Long): RawSubscription {
     val file = subsFolder.resolve("${id}.json")
     if (!file.exists()) {