diff --git a/live/src/main/java/com/yunbao/live/utils/LiveExoPlayerManager.java b/live/src/main/java/com/yunbao/live/utils/LiveExoPlayerManager.java
index 7a406fcd0..114473fc2 100644
--- a/live/src/main/java/com/yunbao/live/utils/LiveExoPlayerManager.java
+++ b/live/src/main/java/com/yunbao/live/utils/LiveExoPlayerManager.java
@@ -39,10 +39,10 @@ public class LiveExoPlayerManager {
     public LiveExoPlayerManager(Context mContext) {
         this.mContext = mContext;
         DefaultLoadControl control = new DefaultLoadControl.Builder()
-                .setPrioritizeTimeOverSizeThresholds(true)
+                .setPrioritizeTimeOverSizeThresholds(false)
                 .setBackBuffer(15_000, true)
-                .setBufferDurationsMs(100,
-                        15_000,
+                .setBufferDurationsMs(150,
+                        5_000,
                         50,
                         100)
                 .build();
diff --git a/live/src/main/java/com/yunbao/live/views/PortraitLiveManager.java b/live/src/main/java/com/yunbao/live/views/PortraitLiveManager.java
index 8530ba7c8..a57abcb1d 100644
--- a/live/src/main/java/com/yunbao/live/views/PortraitLiveManager.java
+++ b/live/src/main/java/com/yunbao/live/views/PortraitLiveManager.java
@@ -306,7 +306,7 @@ public class PortraitLiveManager implements LivePlayListener, SocketMessageListe
                 mLivePlayViewHolder.setLiveBean(mLiveBean);
                 mLivePlayViewHolder.setCover(mLiveBean.getAvatar());
                 mLivePlayViewHolder.setLiveBeanLandscape(mLiveBean.getLandscape());
-                mLivePlayViewHolder.play(mLiveBean.getPull(), LiveRoomPlayViewHolder.PLAY_MODEL_720);
+                mLivePlayViewHolder.play(mLiveBean.getPull(), LiveRoomPlayViewHolder.PLAY_MODEL_DEF);
                 mLivePlayViewHolder.setOnMicCallback(new LiveRoomPlayViewHolder.OnMicCallback() {
                     @Override
                     public void onMikUpdate() {