diff --git a/app/src/leanback/java/com/fongmi/android/tv/ui/activity/SettingCustomActivity.java b/app/src/leanback/java/com/fongmi/android/tv/ui/activity/SettingCustomActivity.java
index 1f63e7ea3..d9d8d39cd 100644
--- a/app/src/leanback/java/com/fongmi/android/tv/ui/activity/SettingCustomActivity.java
+++ b/app/src/leanback/java/com/fongmi/android/tv/ui/activity/SettingCustomActivity.java
@@ -20,6 +20,7 @@ public class SettingCustomActivity extends BaseActivity {
     private String[] size;
     private String[] episode;
     private String[] fullscreenMenuKey;
+    private String[] smallWindowBackKey;
 
     @Override
     protected ViewBinding getBinding() {
@@ -48,6 +49,7 @@ public class SettingCustomActivity extends BaseActivity {
         mBinding.fullscreenMenuKeyText.setText((fullscreenMenuKey = ResUtil.getStringArray(R.array.select_fullscreen_menu_key))[Setting.getFullscreenMenuKey()]);
         mBinding.homeSiteLockText.setText(getSwitch(Setting.isHomeSiteLock()));
         mBinding.incognitoText.setText(getSwitch(Setting.isIncognito()));
+        mBinding.smallWindowBackKeyText.setText((smallWindowBackKey = ResUtil.getStringArray(R.array.select_small_window_back_key))[Setting.getSmallWindowBackKey()]);
     }
 
     @Override
@@ -61,9 +63,10 @@ public class SettingCustomActivity extends BaseActivity {
         mBinding.displayMiniProgress.setOnClickListener(this::setDisplayMiniProgress);
         mBinding.speed.setOnClickListener(this::setSpeed);
         mBinding.speed.setOnLongClickListener(this::resetSpeed);
-        mBinding.fullscreenMenuKey.setOnClickListener(this::setfullscreenMenuKey);
+        mBinding.fullscreenMenuKey.setOnClickListener(this::setFullscreenMenuKey);
         mBinding.homeSiteLock.setOnClickListener(this::setHomeSiteLock);
         mBinding.incognito.setOnClickListener(this::setIncognito);
+        mBinding.smallWindowBackKey.setOnClickListener(this::setSmallWindowBackKey);
     }
 
     private void setQuality(View view) {
@@ -120,7 +123,7 @@ public class SettingCustomActivity extends BaseActivity {
         return true;
     }
 
-    private void setfullscreenMenuKey(View view) {
+    private void setFullscreenMenuKey(View view) {
         int index = Setting.getFullscreenMenuKey();
         Setting.putFullscreenMenuKey(index = index == fullscreenMenuKey.length - 1 ? 0 : ++index);
         mBinding.fullscreenMenuKeyText.setText(fullscreenMenuKey[index]);
@@ -136,4 +139,10 @@ public class SettingCustomActivity extends BaseActivity {
         mBinding.incognitoText.setText(getSwitch(Setting.isIncognito()));
     }
 
+    private void setSmallWindowBackKey(View view) {
+        int index = Setting.getSmallWindowBackKey();
+        Setting.putSmallWindowBackKey(index = index == smallWindowBackKey.length - 1 ? 0 : ++index);
+        mBinding.smallWindowBackKeyText.setText(smallWindowBackKey[index]);
+    }
+
 }
diff --git a/app/src/leanback/java/com/fongmi/android/tv/ui/activity/VideoActivity.java b/app/src/leanback/java/com/fongmi/android/tv/ui/activity/VideoActivity.java
index d3baeecfc..e5e91fe6b 100644
--- a/app/src/leanback/java/com/fongmi/android/tv/ui/activity/VideoActivity.java
+++ b/app/src/leanback/java/com/fongmi/android/tv/ui/activity/VideoActivity.java
@@ -1583,6 +1583,11 @@ public class VideoActivity extends BaseActivity implements CustomKeyDownVod.List
     @Override
     public boolean dispatchKeyEvent(KeyEvent event) {
         hasKeyEvent = true;
+        if (!isFullscreen() && KeyUtil.isBackKey(event) && Setting.getSmallWindowBackKey() == 1 && getFocus1() != mBinding.video) {
+            mBinding.video.requestFocus();
+            mFocus1 = mBinding.video;
+            return true;
+        }
         if (isFullscreen() && KeyUtil.isMenuKey(event) && Setting.getFullscreenMenuKey() == 0) onToggle();
         if (isFullscreen() && KeyUtil.isMenuKey(event) && Setting.getFullscreenMenuKey() == 1) onEpisodes();
         if (isVisible(mBinding.control.getRoot())) setR1Callback();
diff --git a/app/src/leanback/res/layout/activity_setting_custom.xml b/app/src/leanback/res/layout/activity_setting_custom.xml
index 75b0718c6..f9dd0e1b1 100644
--- a/app/src/leanback/res/layout/activity_setting_custom.xml
+++ b/app/src/leanback/res/layout/activity_setting_custom.xml
@@ -352,6 +352,36 @@
             android:layout_marginTop="16dp"
             android:orientation="horizontal">
 
+            <LinearLayout
+                android:id="@+id/smallWindowBackKey"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="16dp"
+                android:layout_weight="1"
+                android:background="@drawable/selector_item"
+                android:focusable="true"
+                android:focusableInTouchMode="true"
+                android:orientation="horizontal">
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginEnd="16dp"
+                    android:text="@string/setting_small_window_back_key"
+                    android:textColor="@color/white"
+                    android:textSize="18sp" />
+
+                <TextView
+                    android:id="@+id/smallWindowBackKeyText"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:gravity="end"
+                    android:textColor="@color/white"
+                    android:textSize="18sp"
+                    tools:text="返回" />
+
+            </LinearLayout>
+
             <LinearLayout
                 android:id="@+id/incognito"
                 android:layout_width="0dp"
diff --git a/app/src/main/java/com/fongmi/android/tv/Setting.java b/app/src/main/java/com/fongmi/android/tv/Setting.java
index d7c32099c..ae18611c2 100644
--- a/app/src/main/java/com/fongmi/android/tv/Setting.java
+++ b/app/src/main/java/com/fongmi/android/tv/Setting.java
@@ -405,4 +405,12 @@ public class Setting {
         Prefers.put("incognito", incognito);
     }
 
+    public static void putSmallWindowBackKey(int key) {
+        Prefers.put("small_window_back_key", key);
+    }
+
+    public static int getSmallWindowBackKey() {
+        return Prefers.getInt("small_window_back_key", 0);
+    }
+
 }
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index e1ce33d56..c3807b5c2 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -79,6 +79,7 @@
     <string name="setting_fullscreen_menu_key">全屏菜单键</string>
     <string name="setting_home_site_lock">首页源锁定</string>
     <string name="setting_incognito">无痕模式</string>
+    <string name="setting_small_window_back_key">小窗返回键</string>
     <string name="setting_doh">DoH</string>
     <string name="setting_proxy">Proxy</string>
     <string name="setting_cache">缓存</string>
@@ -219,6 +220,11 @@
         <item>选集</item>
     </string-array>
 
+    <string-array name="select_small_window_back_key">
+        <item>返回</item>
+        <item>焦点移动</item>
+    </string-array>
+
     <string-array name="select_caption">
         <item>预设</item>
         <item>系统</item>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index e346a2394..5bfc150f1 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -79,6 +79,7 @@
     <string name="setting_fullscreen_menu_key">全屏選單鍵</string>
     <string name="setting_home_site_lock">首頁源鎖定</string>
     <string name="setting_incognito">無痕模式</string>
+    <string name="setting_small_window_back_key">小窗返回鍵</string>
     <string name="setting_doh">DoH</string>
     <string name="setting_proxy">Proxy</string>
     <string name="setting_cache">暫存</string>
@@ -219,6 +220,11 @@
         <item>選集</item>
     </string-array>
 
+    <string-array name="select_small_window_back_key">
+        <item>返回</item>
+        <item>焦點移動</item>
+    </string-array>
+
     <string-array name="select_caption">
         <item>預設</item>
         <item>系統</item>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index d6369cef6..69fc8b3e7 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -79,6 +79,7 @@
     <string name="setting_fullscreen_menu_key">Fullscreen menu key</string>
     <string name="setting_home_site_lock">Home site lock</string>
     <string name="setting_incognito">Incognito mode</string>
+    <string name="setting_small_window_back_key">Small window back key</string>
     <string name="setting_doh">DoH</string>
     <string name="setting_proxy">Proxy</string>
     <string name="setting_cache">Cache</string>
@@ -224,6 +225,11 @@
         <item>Episodes</item>
     </string-array>
 
+    <string-array name="select_small_window_back_key">
+        <item>Back</item>
+        <item>Focus move</item>
+    </string-array>
+
     <string-array name="select_caption">
         <item>Default</item>
         <item>System</item>