diff --git a/app/src/main/java/io/legado/app/App.kt b/app/src/main/java/io/legado/app/App.kt
index a578bab15..782acb2b9 100644
--- a/app/src/main/java/io/legado/app/App.kt
+++ b/app/src/main/java/io/legado/app/App.kt
@@ -90,38 +90,35 @@ class App : MultiDexApplication() {
     @RequiresApi(Build.VERSION_CODES.O)
     private fun createChannelId() {
         (getSystemService(Context.NOTIFICATION_SERVICE) as? NotificationManager)?.let {
-            //用唯一的ID创建渠道对象
             val downloadChannel = NotificationChannel(
                 channelIdDownload,
                 getString(R.string.action_download),
                 NotificationManager.IMPORTANCE_LOW
-            )
-            //初始化channel
-            downloadChannel.enableLights(false)
-            downloadChannel.enableVibration(false)
-            downloadChannel.setSound(null, null)
+            ).apply {
+                enableLights(false)
+                enableVibration(false)
+                setSound(null, null)
+            }
 
-            //用唯一的ID创建渠道对象
             val readAloudChannel = NotificationChannel(
                 channelIdReadAloud,
                 getString(R.string.read_aloud),
                 NotificationManager.IMPORTANCE_LOW
-            )
-            //初始化channel
-            readAloudChannel.enableLights(false)
-            readAloudChannel.enableVibration(false)
-            readAloudChannel.setSound(null, null)
+            ).apply {
+                enableLights(false)
+                enableVibration(false)
+                setSound(null, null)
+            }
 
-            //用唯一的ID创建渠道对象
             val webChannel = NotificationChannel(
                 channelIdWeb,
                 getString(R.string.web_service),
                 NotificationManager.IMPORTANCE_LOW
-            )
-            //初始化channel
-            webChannel.enableLights(false)
-            webChannel.enableVibration(false)
-            webChannel.setSound(null, null)
+            ).apply {
+                enableLights(false)
+                enableVibration(false)
+                setSound(null, null)
+            }
 
             //向notification manager 提交channel
             it.createNotificationChannels(listOf(downloadChannel, readAloudChannel, webChannel))