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 79f0107ed..1c5aba598 100644
--- a/app/src/main/java/io/legado/app/service/AudioPlayService.kt
+++ b/app/src/main/java/io/legado/app/service/AudioPlayService.kt
@@ -308,7 +308,7 @@ class AudioPlayService : BaseService(),
     /**
      * @return 音频焦点
      */
-    fun requestFocus(): Boolean {
+    private fun requestFocus(): Boolean {
         return MediaHelp.requestFocus(audioManager, this, mFocusRequest)
     }