diff --git a/app/src/main/java/com/fongmi/android/tv/player/PlayerManager.java b/app/src/main/java/com/fongmi/android/tv/player/PlayerManager.java
index b21575d20..f2f4c6b7f 100644
--- a/app/src/main/java/com/fongmi/android/tv/player/PlayerManager.java
+++ b/app/src/main/java/com/fongmi/android/tv/player/PlayerManager.java
@@ -6,7 +6,6 @@ import android.text.TextUtils;
 import androidx.annotation.NonNull;
 import androidx.media3.common.MediaItem;
 import androidx.media3.common.MediaMetadata;
-import androidx.media3.common.MediaTitle;
 import androidx.media3.common.PlaybackException;
 import androidx.media3.common.Player;
 import androidx.media3.common.Tracks;
@@ -81,10 +80,6 @@ public class PlayerManager implements ParseCallback {
         return engine.getCurrentTracks();
     }
 
-    public List<MediaTitle> getCurrentMediaTitles() {
-        return engine.getCurrentMediaTitles();
-    }
-
     public MediaItem getCurrentMediaItem() {
         return player.getCurrentMediaItem();
     }
@@ -141,10 +136,6 @@ public class PlayerManager implements ParseCallback {
         return engine.haveTrack(type);
     }
 
-    public boolean haveTitle() {
-        return engine.haveTitle();
-    }
-
     public boolean haveDanmaku() {
         return getDanmakus() != null && getDanmakus().stream().anyMatch(Danmaku::isSelected);
     }
@@ -204,12 +195,6 @@ public class PlayerManager implements ParseCallback {
         setMediaItem();
     }
 
-    public void setTitle(MediaTitle title) {
-        if (spec != null) spec.setUrl(spec.getUri().buildUpon().fragment("title=" + title.index).build().toString());
-        setMediaItem();
-        seekTo(0);
-    }
-
     public static MediaMetadata buildMetadata(String title, String artist, String artUri) {
         Uri artwork = TextUtils.isEmpty(artUri) ? null : Uri.parse(artUri);
         return new MediaMetadata.Builder().setTitle(title).setArtist(artist).setArtworkUri(artwork).build();
@@ -397,11 +382,6 @@ public class PlayerManager implements ParseCallback {
             initTrack = true;
         }
 
-        @Override
-        public void onMediaTitlesChanged(@NonNull List<MediaTitle> titles) {
-            callback.onTitlesChanged();
-        }
-
         @Override
         public void onPlayerError(@NonNull PlaybackException e) {
             PlayerEngine.ErrorAction action = engine.handleError(e);
diff --git a/app/src/main/java/com/fongmi/android/tv/player/engine/ExoPlayerEngine.java b/app/src/main/java/com/fongmi/android/tv/player/engine/ExoPlayerEngine.java
index 28d6c62d0..7a782ef53 100644
--- a/app/src/main/java/com/fongmi/android/tv/player/engine/ExoPlayerEngine.java
+++ b/app/src/main/java/com/fongmi/android/tv/player/engine/ExoPlayerEngine.java
@@ -2,7 +2,6 @@ package com.fongmi.android.tv.player.engine;
 
 import androidx.media3.common.MediaItem;
 import androidx.media3.common.MediaMetadata;
-import androidx.media3.common.MediaTitle;
 import androidx.media3.common.PlaybackException;
 import androidx.media3.common.Player;
 import androidx.media3.common.Tracks;
@@ -107,16 +106,6 @@ public class ExoPlayerEngine implements PlayerEngine {
         return player.getCurrentTracks();
     }
 
-    @Override
-    public boolean haveTitle() {
-        return !player.getCurrentMediaTitles().isEmpty();
-    }
-
-    @Override
-    public List<MediaTitle> getCurrentMediaTitles() {
-        return player.getCurrentMediaTitles();
-    }
-
     @Override
     public String getErrorMessage(PlaybackException e) {
         return provider.get(e);
diff --git a/app/src/main/java/com/fongmi/android/tv/player/engine/PlayerEngine.java b/app/src/main/java/com/fongmi/android/tv/player/engine/PlayerEngine.java
index b069f730d..d3ac01606 100644
--- a/app/src/main/java/com/fongmi/android/tv/player/engine/PlayerEngine.java
+++ b/app/src/main/java/com/fongmi/android/tv/player/engine/PlayerEngine.java
@@ -1,7 +1,6 @@
 package com.fongmi.android.tv.player.engine;
 
 import androidx.media3.common.MediaMetadata;
-import androidx.media3.common.MediaTitle;
 import androidx.media3.common.PlaybackException;
 import androidx.media3.common.Player;
 import androidx.media3.common.Tracks;
@@ -46,14 +45,6 @@ public interface PlayerEngine {
 
     Tracks getCurrentTracks();
 
-    default boolean haveTitle() {
-        return false;
-    }
-
-    default List<MediaTitle> getCurrentMediaTitles() {
-        return Collections.emptyList();
-    }
-
     String getErrorMessage(PlaybackException e);
 
     ErrorAction handleError(PlaybackException e);
diff --git a/app/src/main/java/com/fongmi/android/tv/player/exo/ExoUtil.java b/app/src/main/java/com/fongmi/android/tv/player/exo/ExoUtil.java
index e16fb6fe3..851f5e3fb 100644
--- a/app/src/main/java/com/fongmi/android/tv/player/exo/ExoUtil.java
+++ b/app/src/main/java/com/fongmi/android/tv/player/exo/ExoUtil.java
@@ -44,11 +44,9 @@ import java.util.stream.Collectors;
 public class ExoUtil {
 
     public static void setPlayerView(PlayerView view) {
-        view.setRender(Setting.getRender());
         view.getSubtitleView().setStyle(getCaptionStyle());
         view.getSubtitleView().setApplyEmbeddedStyles(true);
         view.getSubtitleView().setApplyEmbeddedFontSizes(false);
-        if (Setting.getSubtitlePosition() != 0) view.getSubtitleView().setBottomPosition(Setting.getSubtitlePosition());
         if (Setting.getSubtitleTextSize() != 0) view.getSubtitleView().setFractionalTextSize(Setting.getSubtitleTextSize());
     }
 
@@ -76,7 +74,6 @@ public class ExoUtil {
 
     public static String getMimeType(int errorCode) {
         if (errorCode == PlaybackException.ERROR_CODE_PARSING_CONTAINER_UNSUPPORTED || errorCode == PlaybackException.ERROR_CODE_PARSING_CONTAINER_MALFORMED || errorCode == PlaybackException.ERROR_CODE_IO_UNSPECIFIED) return MimeTypes.APPLICATION_M3U8;
-        if (errorCode == PlaybackException.ERROR_CODE_PARSING_MANIFEST_UNSUPPORTED || errorCode == PlaybackException.ERROR_CODE_PARSING_MANIFEST_MALFORMED) return MimeTypes.APPLICATION_OCTET_STREAM;
         return null;
     }
 
diff --git a/app/src/main/java/com/fongmi/android/tv/ui/base/PlaybackActivity.java b/app/src/main/java/com/fongmi/android/tv/ui/base/PlaybackActivity.java
index 8dd6ba350..9afd93755 100644
--- a/app/src/main/java/com/fongmi/android/tv/ui/base/PlaybackActivity.java
+++ b/app/src/main/java/com/fongmi/android/tv/ui/base/PlaybackActivity.java
@@ -208,7 +208,6 @@ public abstract class PlaybackActivity extends BaseActivity implements MediaCont
     }
 
     private void setRender() {
-        getExoView().setRender(Setting.getRender());
         detachSurface();
         attachSurface();
     }