diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index bb3f60f1c..e3ab2f6a0 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -186,11 +186,6 @@
             android:name=".ui.about.AboutActivity"
             android:launchMode="singleTask"
             android:screenOrientation="behind" />
-        <!-- 捐赠界面 -->
-        <activity
-            android:name=".ui.about.DonateActivity"
-            android:launchMode="singleTask"
-            android:screenOrientation="behind" />
         <!-- 书源管理 -->
         <activity
             android:name=".ui.book.source.manage.BookSourceActivity"
@@ -432,7 +427,9 @@
         <service android:name=".service.TTSReadAloudService" />
         <service android:name=".service.HttpReadAloudService" />
         <service android:name=".service.AudioPlayService" />
-        <service android:name=".service.DownloadService" />
+        <service
+            android:name=".service.DownloadService"
+            android:exported="" />
 
         <receiver
             android:name=".receiver.MediaButtonReceiver"
diff --git a/app/src/main/java/io/legado/app/service/DownloadService.kt b/app/src/main/java/io/legado/app/service/DownloadService.kt
index ef2f94573..4c99f9bee 100644
--- a/app/src/main/java/io/legado/app/service/DownloadService.kt
+++ b/app/src/main/java/io/legado/app/service/DownloadService.kt
@@ -1,5 +1,6 @@
 package io.legado.app.service
 
+import android.annotation.SuppressLint
 import android.app.DownloadManager
 import android.content.BroadcastReceiver
 import android.content.Context
@@ -39,9 +40,13 @@ class DownloadService : BaseService() {
         }
     }
 
+    @SuppressLint("UnspecifiedRegisterReceiverFlag")
     override fun onCreate() {
         super.onCreate()
-        registerReceiver(downloadReceiver, IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE))
+        registerReceiver(
+            downloadReceiver,
+            IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE)
+        )
     }
 
     override fun onDestroy() {
@@ -55,6 +60,7 @@ class DownloadService : BaseService() {
                 intent.getStringExtra("url"),
                 intent.getStringExtra("fileName")
             )
+
             IntentAction.play -> {
                 val id = intent.getLongExtra("downloadId", 0)
                 if (completeDownloads.contains(id)) {
@@ -63,6 +69,7 @@ class DownloadService : BaseService() {
                     toastOnUi("未完成,下载的文件夹Download")
                 }
             }
+
             IntentAction.stop -> {
                 val downloadId = intent.getLongExtra("downloadId", 0)
                 removeDownload(downloadId)
@@ -177,6 +184,7 @@ class DownloadService : BaseService() {
                             successDownload(id)
                             getString(R.string.download_success)
                         }
+
                         DownloadManager.STATUS_FAILED -> getString(R.string.download_error)
                         else -> getString(R.string.unknown_state)
                     }
diff --git a/app/src/main/java/io/legado/app/service/ExportBookService.kt b/app/src/main/java/io/legado/app/service/ExportBookService.kt
index 1159dc9f9..c5d0c28c5 100644
--- a/app/src/main/java/io/legado/app/service/ExportBookService.kt
+++ b/app/src/main/java/io/legado/app/service/ExportBookService.kt
@@ -63,6 +63,7 @@ import me.ag2s.epublib.epub.EpubWriter
 import me.ag2s.epublib.epub.EpubWriterProcessor
 import me.ag2s.epublib.util.ResourceUtil
 import splitties.init.appCtx
+import splitties.systemservices.notificationManager
 import java.io.BufferedOutputStream
 import java.io.ByteArrayOutputStream
 import java.io.File
@@ -87,6 +88,7 @@ class ExportBookService : BaseService() {
         val epubScope: String? = null
     )
 
+    private val groupKey = "${appCtx.packageName}.exportBook"
     private val handler = buildMainHandler()
     private val waitExportBooks = linkedMapOf<String, ExportConfig>()
     private var exportJob: Job? = null
@@ -125,26 +127,34 @@ class ExportBookService : BaseService() {
 
     @SuppressLint("MissingPermission")
     override fun upNotification() {
+        val notification = NotificationCompat.Builder(this, AppConst.channelIdDownload)
+            .setSmallIcon(R.drawable.ic_export)
+            .setContentTitle(getString(R.string.export_book))
+            .setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
+            .setContentText(notificationContent)
+            .setGroup(groupKey)
+            .setGroupSummary(true)
+        startForeground(AppConst.notificationIdExport, notification.build())
+    }
+
+    private fun upExportNotification() {
         val notification = NotificationCompat.Builder(this, AppConst.channelIdDownload)
             .setSmallIcon(R.drawable.ic_export)
             .setContentTitle(getString(R.string.export_book))
             .setContentIntent(activityPendingIntent<CacheActivity>("cacheActivity"))
             .setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
             .setContentText(notificationContent)
+            .setDeleteIntent(servicePendingIntent<ExportBookService>(IntentAction.stop))
+            .setGroup(groupKey)
         if (exportJob?.isActive == true) {
+            notification.setOngoing(true)
             notification.addAction(
                 R.drawable.ic_stop_black_24dp,
                 getString(R.string.cancel),
                 servicePendingIntent<ExportBookService>(IntentAction.stop)
             )
-        } else {
-            notification.addAction(
-                R.drawable.ic_stop_black_24dp,
-                getString(R.string.close),
-                servicePendingIntent<ExportBookService>(IntentAction.stop)
-            )
         }
-        startForeground(AppConst.notificationIdExport, notification.build())
+        notificationManager.notify(AppConst.notificationIdExport, notification.build())
     }
 
     private fun export() {
@@ -154,7 +164,7 @@ class ExportBookService : BaseService() {
         val entry = waitExportBooks.firstNotNullOfOrNull { it }
         if (entry == null) {
             notificationContent = "导出完成"
-            upNotification()
+            upExportNotification()
             return
         }
         val bookUrl = entry.key
@@ -171,7 +181,7 @@ class ExportBookService : BaseService() {
                     book.name,
                     waitExportBooks.size
                 )
-                upNotification()
+                upExportNotification()
                 if (exportConfig.type == "epub") {
                     if (exportConfig.epubScope.isNullOrBlank()) {
                         exportEPUB(exportConfig.path, book)