diff --git a/app/src/mobile/java/com/fongmi/android/tv/Product.java b/app/src/mobile/java/com/fongmi/android/tv/Product.java
index bc5f8fb85..dcd352122 100644
--- a/app/src/mobile/java/com/fongmi/android/tv/Product.java
+++ b/app/src/mobile/java/com/fongmi/android/tv/Product.java
@@ -1,17 +1,12 @@
 package com.fongmi.android.tv;
 
 import android.content.Context;
-import android.content.res.Resources;
 
 import com.fongmi.android.tv.utils.Prefers;
 import com.fongmi.android.tv.utils.ResUtil;
 
 public class Product {
 
-    public static Resources hackResources(Resources resources) {
-        return resources;
-    }
-
     public static int getColumn() {
         return Math.abs(Prefers.getSize() - 5);
     }
diff --git a/app/src/mobile/java/com/fongmi/android/tv/ui/activity/CollectActivity.java b/app/src/mobile/java/com/fongmi/android/tv/ui/activity/CollectActivity.java
index 98011e1aa..c211d5db5 100644
--- a/app/src/mobile/java/com/fongmi/android/tv/ui/activity/CollectActivity.java
+++ b/app/src/mobile/java/com/fongmi/android/tv/ui/activity/CollectActivity.java
@@ -2,6 +2,7 @@ package com.fongmi.android.tv.ui.activity;
 
 import android.app.Activity;
 import android.content.Intent;
+import android.os.Bundle;
 import android.text.Editable;
 import android.text.TextUtils;
 import android.view.View;
@@ -32,6 +33,7 @@ import com.fongmi.android.tv.ui.adapter.CollectAdapter;
 import com.fongmi.android.tv.ui.adapter.RecordAdapter;
 import com.fongmi.android.tv.ui.adapter.VodAdapter;
 import com.fongmi.android.tv.ui.adapter.WordAdapter;
+import com.fongmi.android.tv.ui.base.BaseActivity;
 import com.fongmi.android.tv.ui.custom.CustomListener;
 import com.fongmi.android.tv.ui.custom.ViewType;
 import com.fongmi.android.tv.ui.custom.dialog.SiteDialog;
@@ -84,7 +86,7 @@ public class CollectActivity extends BaseActivity implements SiteCallback, WordA
     }
 
     @Override
-    protected void initView() {
+    protected void initView(Bundle savedInstanceState) {
         mSites = new ArrayList<>();
         setRecyclerView();
         setLayoutSize();
diff --git a/app/src/mobile/java/com/fongmi/android/tv/ui/activity/DetailActivity.java b/app/src/mobile/java/com/fongmi/android/tv/ui/activity/DetailActivity.java
index ced5793ea..118dd4bc1 100644
--- a/app/src/mobile/java/com/fongmi/android/tv/ui/activity/DetailActivity.java
+++ b/app/src/mobile/java/com/fongmi/android/tv/ui/activity/DetailActivity.java
@@ -6,6 +6,7 @@ import android.content.Intent;
 import android.content.pm.ActivityInfo;
 import android.content.res.Configuration;
 import android.graphics.Rect;
+import android.os.Bundle;
 import android.text.Html;
 import android.text.Layout;
 import android.util.Rational;
@@ -45,6 +46,7 @@ import com.fongmi.android.tv.player.Players;
 import com.fongmi.android.tv.ui.adapter.EpisodeAdapter;
 import com.fongmi.android.tv.ui.adapter.FlagAdapter;
 import com.fongmi.android.tv.ui.adapter.ParseAdapter;
+import com.fongmi.android.tv.ui.base.BaseActivity;
 import com.fongmi.android.tv.ui.custom.CustomKeyDownVod;
 import com.fongmi.android.tv.ui.custom.SpaceItemDecoration;
 import com.fongmi.android.tv.ui.custom.dialog.TrackDialog;
@@ -184,7 +186,7 @@ public class DetailActivity extends BaseActivity implements CustomKeyDownVod.Lis
     }
 
     @Override
-    protected void initView() {
+    protected void initView(Bundle savedInstanceState) {
         mKeyDown = CustomKeyDownVod.create(this);
         mFrameParams = mBinding.video.getLayoutParams();
         mPlayers = new Players().init();
diff --git a/app/src/mobile/java/com/fongmi/android/tv/ui/activity/MainActivity.java b/app/src/mobile/java/com/fongmi/android/tv/ui/activity/MainActivity.java
index 72dce5ec4..b98767ecf 100644
--- a/app/src/mobile/java/com/fongmi/android/tv/ui/activity/MainActivity.java
+++ b/app/src/mobile/java/com/fongmi/android/tv/ui/activity/MainActivity.java
@@ -18,6 +18,7 @@ import com.fongmi.android.tv.databinding.ActivityMainBinding;
 import com.fongmi.android.tv.event.RefreshEvent;
 import com.fongmi.android.tv.net.Callback;
 import com.fongmi.android.tv.server.Server;
+import com.fongmi.android.tv.ui.base.BaseActivity;
 import com.fongmi.android.tv.ui.custom.FragmentStateManager;
 import com.fongmi.android.tv.ui.fragment.SettingFragment;
 import com.fongmi.android.tv.ui.fragment.VodFragment;
@@ -64,11 +65,7 @@ public class MainActivity extends BaseActivity implements NavigationBarView.OnIt
         mManager = new FragmentStateManager(mBinding.container, getSupportFragmentManager()) {
             @Override
             public Fragment getItem(int position) {
-                if (position == 0) {
-                    return VodFragment.newInstance();
-                } else {
-                    return SettingFragment.newInstance();
-                }
+                return position == 0 ? VodFragment.newInstance() : SettingFragment.newInstance();
             }
         };
         if (savedInstanceState == null) mManager.change(0);
diff --git a/app/src/mobile/java/com/fongmi/android/tv/ui/adapter/TypeAdapter.java b/app/src/mobile/java/com/fongmi/android/tv/ui/adapter/TypeAdapter.java
index 126a8fbdb..6dc276655 100644
--- a/app/src/mobile/java/com/fongmi/android/tv/ui/adapter/TypeAdapter.java
+++ b/app/src/mobile/java/com/fongmi/android/tv/ui/adapter/TypeAdapter.java
@@ -72,6 +72,10 @@ public class TypeAdapter extends RecyclerView.Adapter<TypeAdapter.ViewHolder> {
         return mItems.get(position);
     }
 
+    public boolean hasType() {
+        return getItemCount() > 1;
+    }
+
     @Override
     public int getItemCount() {
         return mItems.size();
diff --git a/app/src/mobile/java/com/fongmi/android/tv/ui/base/BaseActivity.java b/app/src/mobile/java/com/fongmi/android/tv/ui/base/BaseActivity.java
new file mode 100644
index 000000000..345fb25ab
--- /dev/null
+++ b/app/src/mobile/java/com/fongmi/android/tv/ui/base/BaseActivity.java
@@ -0,0 +1,78 @@
+package com.fongmi.android.tv.ui.base;
+
+import android.app.Activity;
+import android.graphics.drawable.Drawable;
+import android.os.Bundle;
+import android.view.View;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.viewbinding.ViewBinding;
+
+import com.fongmi.android.tv.R;
+import com.fongmi.android.tv.api.WallConfig;
+import com.fongmi.android.tv.event.RefreshEvent;
+import com.fongmi.android.tv.utils.FileUtil;
+import com.fongmi.android.tv.utils.Prefers;
+import com.fongmi.android.tv.utils.ResUtil;
+
+import org.greenrobot.eventbus.EventBus;
+import org.greenrobot.eventbus.Subscribe;
+import org.greenrobot.eventbus.ThreadMode;
+
+import java.io.File;
+
+public abstract class BaseActivity extends AppCompatActivity {
+
+    protected abstract ViewBinding getBinding();
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(getBinding().getRoot());
+        EventBus.getDefault().register(this);
+        setWall();
+        initView(savedInstanceState);
+        initEvent();
+    }
+
+    protected Activity getActivity() {
+        return this;
+    }
+
+    protected void initView(Bundle savedInstanceState) {
+    }
+
+    protected void initEvent() {
+    }
+
+    protected boolean isVisible(View view) {
+        return view.getVisibility() == View.VISIBLE;
+    }
+
+    protected boolean isGone(View view) {
+        return view.getVisibility() == View.GONE;
+    }
+
+    private void setWall() {
+        try {
+            File file = FileUtil.getWall(Prefers.getWall());
+            if (file.exists() && file.length() > 0) getWindow().setBackgroundDrawable(WallConfig.drawable(Drawable.createFromPath(file.getPath())));
+            else getWindow().setBackgroundDrawableResource(ResUtil.getDrawable(file.getName()));
+        } catch (Exception e) {
+            getWindow().setBackgroundDrawableResource(R.drawable.wallpaper_1);
+        }
+    }
+
+    @Subscribe(threadMode = ThreadMode.MAIN)
+    public void onRefreshEvent(RefreshEvent event) {
+        if (event.getType() != RefreshEvent.Type.WALL) return;
+        WallConfig.get().setDrawable(null);
+        setWall();
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        EventBus.getDefault().unregister(this);
+    }
+}
diff --git a/app/src/mobile/java/com/fongmi/android/tv/ui/base/BaseFragment.java b/app/src/mobile/java/com/fongmi/android/tv/ui/base/BaseFragment.java
new file mode 100644
index 000000000..ce4be4e26
--- /dev/null
+++ b/app/src/mobile/java/com/fongmi/android/tv/ui/base/BaseFragment.java
@@ -0,0 +1,53 @@
+package com.fongmi.android.tv.ui.base;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.viewbinding.ViewBinding;
+
+public abstract class BaseFragment extends Fragment {
+
+    protected abstract ViewBinding getBinding(@NonNull LayoutInflater inflater, @Nullable ViewGroup container);
+
+    private boolean init;
+
+    @Nullable
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        return getBinding(inflater, container).getRoot();
+    }
+
+    protected void initView() {
+    }
+
+    protected void initEvent() {
+    }
+
+    public boolean canBack() {
+        return true;
+    }
+
+    private void resume() {
+        if (init) return;
+        initView();
+        initEvent();
+        init = true;
+    }
+
+    @Override
+    public void setUserVisibleHint(boolean isVisibleToUser) {
+        super.setUserVisibleHint(isVisibleToUser);
+        if (isVisibleToUser) if (isResumed()) resume();
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        if (getUserVisibleHint()) resume();
+    }
+}
diff --git a/app/src/mobile/java/com/fongmi/android/tv/ui/custom/FragmentStateManager.java b/app/src/mobile/java/com/fongmi/android/tv/ui/custom/FragmentStateManager.java
index a36e8aeee..9ef50243c 100644
--- a/app/src/mobile/java/com/fongmi/android/tv/ui/custom/FragmentStateManager.java
+++ b/app/src/mobile/java/com/fongmi/android/tv/ui/custom/FragmentStateManager.java
@@ -6,7 +6,7 @@ import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
 import androidx.fragment.app.FragmentTransaction;
 
-import com.fongmi.android.tv.ui.activity.BaseFragment;
+import com.fongmi.android.tv.ui.base.BaseFragment;
 
 public abstract class FragmentStateManager {
 
diff --git a/app/src/mobile/java/com/fongmi/android/tv/ui/fragment/SettingFragment.java b/app/src/mobile/java/com/fongmi/android/tv/ui/fragment/SettingFragment.java
index 65a02703d..007a6e335 100644
--- a/app/src/mobile/java/com/fongmi/android/tv/ui/fragment/SettingFragment.java
+++ b/app/src/mobile/java/com/fongmi/android/tv/ui/fragment/SettingFragment.java
@@ -23,7 +23,7 @@ import com.fongmi.android.tv.impl.ConfigCallback;
 import com.fongmi.android.tv.impl.LiveCallback;
 import com.fongmi.android.tv.impl.SiteCallback;
 import com.fongmi.android.tv.net.Callback;
-import com.fongmi.android.tv.ui.activity.BaseFragment;
+import com.fongmi.android.tv.ui.base.BaseFragment;
 import com.fongmi.android.tv.ui.custom.dialog.ConfigDialog;
 import com.fongmi.android.tv.ui.custom.dialog.HistoryDialog;
 import com.fongmi.android.tv.ui.custom.dialog.LiveDialog;
diff --git a/app/src/mobile/java/com/fongmi/android/tv/ui/fragment/VodFragment.java b/app/src/mobile/java/com/fongmi/android/tv/ui/fragment/VodFragment.java
index 9787004b4..b6eae0c1c 100644
--- a/app/src/mobile/java/com/fongmi/android/tv/ui/fragment/VodFragment.java
+++ b/app/src/mobile/java/com/fongmi/android/tv/ui/fragment/VodFragment.java
@@ -21,9 +21,9 @@ import com.fongmi.android.tv.databinding.FragmentVodBinding;
 import com.fongmi.android.tv.event.RefreshEvent;
 import com.fongmi.android.tv.impl.FilterCallback;
 import com.fongmi.android.tv.impl.SiteCallback;
-import com.fongmi.android.tv.ui.activity.BaseFragment;
 import com.fongmi.android.tv.ui.activity.CollectActivity;
 import com.fongmi.android.tv.ui.adapter.TypeAdapter;
+import com.fongmi.android.tv.ui.base.BaseFragment;
 import com.fongmi.android.tv.ui.custom.dialog.FilterDialog;
 import com.fongmi.android.tv.ui.custom.dialog.LinkDialog;
 import com.fongmi.android.tv.ui.custom.dialog.SiteDialog;
@@ -170,6 +170,7 @@ public class VodFragment extends BaseFragment implements SiteCallback, FilterCal
 
     public void setAdapter(Result result) {
         try {
+            if (mAdapter.hasType()) return;
             result.setTypes(getTypes(result));
             mAdapter.addAll(result.getTypes());
             for (Class item : mAdapter.getTypes()) if (result.getFilters().containsKey(item.getTypeId())) item.setFilters(result.getFilters().get(item.getTypeId()));
diff --git a/app/src/mobile/java/com/fongmi/android/tv/ui/fragment/child/HomeFragment.java b/app/src/mobile/java/com/fongmi/android/tv/ui/fragment/child/HomeFragment.java
index 3ee964978..85e63b7a1 100644
--- a/app/src/mobile/java/com/fongmi/android/tv/ui/fragment/child/HomeFragment.java
+++ b/app/src/mobile/java/com/fongmi/android/tv/ui/fragment/child/HomeFragment.java
@@ -21,11 +21,11 @@ import com.fongmi.android.tv.bean.Site;
 import com.fongmi.android.tv.bean.Vod;
 import com.fongmi.android.tv.databinding.FragmentHomeBinding;
 import com.fongmi.android.tv.model.SiteViewModel;
-import com.fongmi.android.tv.ui.activity.BaseFragment;
 import com.fongmi.android.tv.ui.activity.CollectActivity;
 import com.fongmi.android.tv.ui.activity.DetailActivity;
 import com.fongmi.android.tv.ui.adapter.HistoryAdapter;
 import com.fongmi.android.tv.ui.adapter.VodAdapter;
+import com.fongmi.android.tv.ui.base.BaseFragment;
 import com.fongmi.android.tv.ui.fragment.VodFragment;
 
 public class HomeFragment extends BaseFragment implements VodAdapter.OnClickListener, HistoryAdapter.OnClickListener, SwipeRefreshLayout.OnRefreshListener {
diff --git a/app/src/mobile/java/com/fongmi/android/tv/ui/fragment/child/TypeFragment.java b/app/src/mobile/java/com/fongmi/android/tv/ui/fragment/child/TypeFragment.java
index e4c9740e3..22ac372f6 100644
--- a/app/src/mobile/java/com/fongmi/android/tv/ui/fragment/child/TypeFragment.java
+++ b/app/src/mobile/java/com/fongmi/android/tv/ui/fragment/child/TypeFragment.java
@@ -16,10 +16,10 @@ import com.fongmi.android.tv.api.ApiConfig;
 import com.fongmi.android.tv.bean.Vod;
 import com.fongmi.android.tv.databinding.FragmentTypeBinding;
 import com.fongmi.android.tv.model.SiteViewModel;
-import com.fongmi.android.tv.ui.activity.BaseFragment;
 import com.fongmi.android.tv.ui.activity.CollectActivity;
 import com.fongmi.android.tv.ui.activity.DetailActivity;
 import com.fongmi.android.tv.ui.adapter.VodAdapter;
+import com.fongmi.android.tv.ui.base.BaseFragment;
 import com.fongmi.android.tv.ui.custom.CustomScroller;
 import com.fongmi.android.tv.ui.fragment.VodFragment;