优化

app/src/main/java/io/legado/app/receiver/MediaButtonReceiver.kt

@@ -86,6 +86,7 @@ class MediaButtonReceiver : BroadcastReceiver() {
                 LifecycleHelp.isExistActivity(AudioPlayActivity::class.java) ->
                     postEvent(EventBus.MEDIA_BUTTON, true)
                 else -> if (AppConfig.mediaButtonOnExit || LifecycleHelp.activitySize() > 0 || !isMediaKey) {
+                    ReadAloud.upReadAloudClass()
                     if (ReadBook.book != null) {
                         ReadBook.readAloud()
                     } else {