diff --git a/app/src/main/java/io/legado/app/service/AudioPlayService.kt b/app/src/main/java/io/legado/app/service/AudioPlayService.kt
index 64104ed87..1c6d215bd 100644
--- a/app/src/main/java/io/legado/app/service/AudioPlayService.kt
+++ b/app/src/main/java/io/legado/app/service/AudioPlayService.kt
@@ -274,7 +274,6 @@ class AudioPlayService : BaseService(),
                         if (index == AudioPlay.durChapterIndex) {
                             bookChapter = chapter
                             subtitle = chapter.title
-                            postEvent(EventBus.AUDIO_SUB_TITLE, subtitle)
                             postEvent(EventBus.AUDIO_SIZE, chapter.end?.toInt() ?: 0)
                             postEvent(EventBus.AUDIO_PROGRESS, position)
                         }
diff --git a/app/src/main/java/io/legado/app/service/help/AudioPlay.kt b/app/src/main/java/io/legado/app/service/help/AudioPlay.kt
index ec120b491..35e6a4d1c 100644
--- a/app/src/main/java/io/legado/app/service/help/AudioPlay.kt
+++ b/app/src/main/java/io/legado/app/service/help/AudioPlay.kt
@@ -123,6 +123,9 @@ object AudioPlay {
     fun next(context: Context) {
         Coroutine.async {
             book?.let { book ->
+                if (book.durChapterIndex >= book.totalChapterNum) {
+                    return@let
+                }
                 pause(context)
                 durChapterIndex++
                 durPageIndex = 0