diff --git a/app/src/leanback/java/com/fongmi/android/tv/ui/activity/DetailActivity.java b/app/src/leanback/java/com/fongmi/android/tv/ui/activity/DetailActivity.java
index 91efad141..6fb566e79 100644
--- a/app/src/leanback/java/com/fongmi/android/tv/ui/activity/DetailActivity.java
+++ b/app/src/leanback/java/com/fongmi/android/tv/ui/activity/DetailActivity.java
@@ -230,6 +230,10 @@ public class DetailActivity extends BaseActivity implements CustomKeyDownVod.Lis
         mBinding.control.text.setOnClickListener(this::onTrack);
         mBinding.control.audio.setOnClickListener(this::onTrack);
         mBinding.control.video.setOnClickListener(this::onTrack);
+        mBinding.control.ending.setAddListener(this::onEndingAdd);
+        mBinding.control.ending.setSubListener(this::onEndingSub);
+        mBinding.control.opening.setAddListener(this::onOpeningAdd);
+        mBinding.control.opening.setSubListener(this::onOpeningSub);
         mBinding.control.loop.setOnClickListener(view -> onLoop());
         mBinding.control.next.setOnClickListener(view -> checkNext());
         mBinding.control.prev.setOnClickListener(view -> checkPrev());
@@ -591,30 +595,52 @@ public class DetailActivity extends BaseActivity implements CustomKeyDownVod.Lis
         long current = mPlayers.getPosition();
         long duration = mPlayers.getDuration();
         if (current < 0 || current > duration / 2) return;
-        mHistory.setOpening(current);
-        mBinding.control.opening.setText(mPlayers.stringToTime(mHistory.getOpening()));
+        setOpening(current);
+    }
+
+    private void onOpeningAdd() {
+        setOpening(Math.min(mHistory.getOpening() + 1000, mPlayers.getDuration() / 2));
+    }
+
+    private void onOpeningSub() {
+        setOpening(Math.max(0, mHistory.getOpening() - 1000));
     }
 
     private boolean onOpeningReset() {
-        mHistory.setOpening(0);
-        mBinding.control.opening.setText(R.string.play_op);
+        setOpening(0);
         return true;
     }
 
+    private void setOpening(long opening) {
+        mHistory.setOpening(opening);
+        mBinding.control.opening.setText(opening == 0 ? getString(R.string.play_op) : mPlayers.stringToTime(mHistory.getOpening()));
+    }
+
     private void onEnding() {
         long current = mPlayers.getPosition();
         long duration = mPlayers.getDuration();
         if (current < 0 || current < duration / 2) return;
-        mHistory.setEnding(duration - current);
-        mBinding.control.ending.setText(mPlayers.stringToTime(mHistory.getEnding()));
+        setEnding(duration - current);
+    }
+
+    private void onEndingAdd() {
+        setEnding(Math.min(mPlayers.getDuration() / 2, mHistory.getEnding() + 1000));
+    }
+
+    private void onEndingSub() {
+        setEnding(Math.max(0, mHistory.getEnding() - 1000));
     }
 
     private boolean onEndingReset() {
-        mHistory.setEnding(0);
-        mBinding.control.ending.setText(R.string.play_ed);
+        setEnding(0);
         return true;
     }
 
+    private void setEnding(long ending) {
+        mHistory.setEnding(ending);
+        mBinding.control.ending.setText(ending == 0 ? getString(R.string.play_ed) : mPlayers.stringToTime(mHistory.getEnding()));
+    }
+
     private void onPlayer() {
         mPlayers.togglePlayer();
         Prefers.putPlayer(mPlayers.getPlayer());
diff --git a/app/src/leanback/java/com/fongmi/android/tv/ui/custom/CustomOpEdView.java b/app/src/leanback/java/com/fongmi/android/tv/ui/custom/CustomOpEdView.java
new file mode 100644
index 000000000..f5a92f9ce
--- /dev/null
+++ b/app/src/leanback/java/com/fongmi/android/tv/ui/custom/CustomOpEdView.java
@@ -0,0 +1,59 @@
+package com.fongmi.android.tv.ui.custom;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.KeyEvent;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.appcompat.widget.AppCompatTextView;
+
+import com.fongmi.android.tv.utils.Utils;
+
+public class CustomOpEdView extends AppCompatTextView {
+
+    private AddListener addListener;
+    private SubListener subListener;
+
+    public CustomOpEdView(@NonNull Context context) {
+        super(context);
+    }
+
+    public CustomOpEdView(@NonNull Context context, @Nullable AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public void setAddListener(AddListener addListener) {
+        this.addListener = addListener;
+    }
+
+    public void setSubListener(SubListener subListener) {
+        this.subListener = subListener;
+    }
+
+    private boolean hasEvent(KeyEvent event) {
+        return event.getAction() == KeyEvent.ACTION_DOWN && (Utils.isUpKey(event) || Utils.isDownKey(event));
+    }
+
+    @Override
+    public boolean dispatchKeyEvent(KeyEvent event) {
+        if (hasEvent(event)) return onKeyDown(event);
+        else return super.dispatchKeyEvent(event);
+    }
+
+    private boolean onKeyDown(KeyEvent event) {
+        if (Utils.isUpKey(event)) addListener.onAdd();
+        if (Utils.isDownKey(event)) subListener.onSud();
+        return true;
+    }
+
+    public interface AddListener {
+
+        void onAdd();
+    }
+
+    public interface SubListener {
+
+        void onSud();
+    }
+}
diff --git a/app/src/leanback/res/layout/view_control_vod.xml b/app/src/leanback/res/layout/view_control_vod.xml
index a5dbc7d52..00e448088 100644
--- a/app/src/leanback/res/layout/view_control_vod.xml
+++ b/app/src/leanback/res/layout/view_control_vod.xml
@@ -174,7 +174,7 @@
                 android:visibility="gone"
                 tools:visibility="visible" />
 
-            <TextView
+            <com.fongmi.android.tv.ui.custom.CustomOpEdView
                 android:id="@+id/opening"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
@@ -186,7 +186,7 @@
                 android:textSize="14sp"
                 tools:text="00:00" />
 
-            <TextView
+            <com.fongmi.android.tv.ui.custom.CustomOpEdView
                 android:id="@+id/ending"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"