diff --git a/app/src/leanback/java/com/fongmi/android/tv/ui/activity/HomeActivity.java b/app/src/leanback/java/com/fongmi/android/tv/ui/activity/HomeActivity.java
index de6123fbf..6b1c56f51 100644
--- a/app/src/leanback/java/com/fongmi/android/tv/ui/activity/HomeActivity.java
+++ b/app/src/leanback/java/com/fongmi/android/tv/ui/activity/HomeActivity.java
@@ -17,6 +17,7 @@ import com.fongmi.android.tv.App;
 import com.fongmi.android.tv.R;
 import com.fongmi.android.tv.api.ApiConfig;
 import com.fongmi.android.tv.api.LiveConfig;
+import com.fongmi.android.tv.api.Updater;
 import com.fongmi.android.tv.api.WallConfig;
 import com.fongmi.android.tv.bean.Func;
 import com.fongmi.android.tv.bean.History;
@@ -42,7 +43,6 @@ import com.fongmi.android.tv.utils.Clock;
 import com.fongmi.android.tv.utils.Notify;
 import com.fongmi.android.tv.utils.Prefers;
 import com.fongmi.android.tv.utils.ResUtil;
-import com.fongmi.android.tv.api.Updater;
 import com.fongmi.android.tv.utils.Utils;
 import com.google.common.collect.Lists;
 
diff --git a/app/src/main/java/com/fongmi/android/tv/App.java b/app/src/main/java/com/fongmi/android/tv/App.java
index 1cb129207..6d4de3214 100644
--- a/app/src/main/java/com/fongmi/android/tv/App.java
+++ b/app/src/main/java/com/fongmi/android/tv/App.java
@@ -1,9 +1,13 @@
 package com.fongmi.android.tv;
 
+import android.app.Activity;
 import android.app.Application;
+import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.core.os.HandlerCompat;
 
 import com.fongmi.android.tv.ui.activity.CrashActivity;
@@ -18,6 +22,7 @@ public class App extends Application {
     private final ExecutorService executor;
     private final Handler handler;
     private static App instance;
+    private Activity activity;
 
     public App() {
         instance = this;
@@ -29,6 +34,10 @@ public class App extends Application {
         return instance;
     }
 
+    public static Activity getActivity() {
+        return get().activity;
+    }
+
     public static void execute(Runnable runnable) {
         get().executor.execute(runnable);
     }
@@ -50,9 +59,48 @@ public class App extends Application {
         for (Runnable r : runnable) get().handler.removeCallbacks(r);
     }
 
+    private void setActivity(Activity activity) {
+        this.activity = activity;
+    }
+
     @Override
     public void onCreate() {
         super.onCreate();
         CaocConfig.Builder.create().backgroundMode(CaocConfig.BACKGROUND_MODE_SILENT).errorActivity(CrashActivity.class).apply();
+        registerActivityLifecycleCallbacks(new ActivityLifecycleCallbacks() {
+            @Override
+            public void onActivityCreated(@NonNull Activity activity, @Nullable Bundle savedInstanceState) {
+                if (activity != getActivity()) setActivity(activity);
+            }
+
+            @Override
+            public void onActivityStarted(@NonNull Activity activity) {
+                if (activity != getActivity()) setActivity(activity);
+            }
+
+            @Override
+            public void onActivityResumed(@NonNull Activity activity) {
+                if (activity != getActivity()) setActivity(activity);
+            }
+
+            @Override
+            public void onActivityPaused(@NonNull Activity activity) {
+                if (activity == getActivity()) setActivity(null);
+            }
+
+            @Override
+            public void onActivityStopped(@NonNull Activity activity) {
+                if (activity == getActivity()) setActivity(null);
+            }
+
+            @Override
+            public void onActivityDestroyed(@NonNull Activity activity) {
+                if (activity == getActivity()) setActivity(null);
+            }
+
+            @Override
+            public void onActivitySaveInstanceState(@NonNull Activity activity, @NonNull Bundle outState) {
+            }
+        });
     }
 }
\ No newline at end of file