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 ed50a7992..0454266c9 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
@@ -72,6 +72,7 @@ public class HomeActivity extends BaseActivity implements CustomTitleView.Listen
     private HistoryPresenter mPresenter;
     private ArrayObjectAdapter mAdapter;
     private SiteViewModel mViewModel;
+    private boolean loading;
     private boolean confirm;
     private Result mResult;
     private Clock mClock;
@@ -155,9 +156,11 @@ public class HomeActivity extends BaseActivity implements CustomTitleView.Listen
     }
 
     private void initConfig() {
+        if (isLoading()) return;
         WallConfig.get().init();
         LiveConfig.get().init();
         ApiConfig.get().init().load(getCallback());
+        setLoading(true);
     }
 
     private Callback getCallback() {
@@ -201,6 +204,7 @@ public class HomeActivity extends BaseActivity implements CustomTitleView.Listen
     }
 
     private void setFocus() {
+        setLoading(false);
         mBinding.recycler.requestFocus();
         App.post(() -> mBinding.title.setFocusable(true), 500);
     }
@@ -279,6 +283,14 @@ public class HomeActivity extends BaseActivity implements CustomTitleView.Listen
         App.post(() -> confirm = false, 5000);
     }
 
+    public boolean isLoading() {
+        return loading;
+    }
+
+    public void setLoading(boolean loading) {
+        this.loading = loading;
+    }
+
     @Override
     public void onItemClick(Func item) {
         switch (item.getResId()) {
@@ -339,6 +351,11 @@ public class HomeActivity extends BaseActivity implements CustomTitleView.Listen
         SiteDialog.create(this).show();
     }
 
+    @Override
+    public void onRefresh() {
+        initConfig();
+    }
+
     @Override
     public void setSite(Site item) {
         ApiConfig.get().setHome(item);
diff --git a/app/src/leanback/java/com/fongmi/android/tv/ui/custom/CustomTitleView.java b/app/src/leanback/java/com/fongmi/android/tv/ui/custom/CustomTitleView.java
index 9f1f3d01e..293a10f42 100644
--- a/app/src/leanback/java/com/fongmi/android/tv/ui/custom/CustomTitleView.java
+++ b/app/src/leanback/java/com/fongmi/android/tv/ui/custom/CustomTitleView.java
@@ -10,6 +10,7 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.widget.AppCompatTextView;
 
+import com.fongmi.android.tv.App;
 import com.fongmi.android.tv.R;
 import com.fongmi.android.tv.api.ApiConfig;
 import com.fongmi.android.tv.bean.Site;
@@ -23,6 +24,7 @@ public class CustomTitleView extends AppCompatTextView {
 
     private Listener listener;
     private Animation flicker;
+    private boolean coolDown;
 
     public CustomTitleView(@NonNull Context context) {
         super(context);
@@ -39,13 +41,15 @@ public class CustomTitleView extends AppCompatTextView {
     }
 
     private boolean hasEvent(KeyEvent event) {
-        return KeyUtil.isEnterKey(event) || KeyUtil.isLeftKey(event) || KeyUtil.isRightKey(event);
+        return KeyUtil.isEnterKey(event) || KeyUtil.isLeftKey(event) || KeyUtil.isRightKey(event) || (KeyUtil.isUpKey(event) && !coolDown);
     }
 
     @Override
     protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
         super.onFocusChanged(focused, direction, previouslyFocusedRect);
+        App.post(() -> coolDown = false, 500);
         if (focused) startAnimation(flicker);
+        if (focused) coolDown = true;
         else clearAnimation();
     }
 
@@ -63,10 +67,18 @@ public class CustomTitleView extends AppCompatTextView {
             listener.setSite(getSite(true));
         } else if (event.getAction() == KeyEvent.ACTION_DOWN && KeyUtil.isRightKey(event)) {
             listener.setSite(getSite(false));
+        } else if (event.getAction() == KeyEvent.ACTION_UP && KeyUtil.isUpKey(event)) {
+            onKeyUp();
         }
         return true;
     }
 
+    private void onKeyUp() {
+        App.post(() -> coolDown = false, 3000);
+        listener.onRefresh();
+        coolDown = true;
+    }
+
     private Site getSite(boolean next) {
         List<Site> items = ApiConfig.get().getSites();
         int position = ApiConfig.getHomeIndex();
@@ -78,5 +90,7 @@ public class CustomTitleView extends AppCompatTextView {
     public interface Listener extends SiteCallback {
 
         void showDialog();
+
+        void onRefresh();
     }
 }