diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index ac35681..bb09d7d 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -59,7 +59,7 @@
             android:configChanges="keyboardHidden|orientation|screenSize"
             android:label="@string/app_name"
             android:launchMode="singleTop"
-            android:theme="@style/NoteTheme"
+            android:theme="@style/Theme.AppCompat.Light.DarkActionBar"
             android:uiOptions="splitActionBarWhenNarrow"
             android:windowSoftInputMode="adjustPan"
             android:exported="true">
diff --git a/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java b/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java
index 96a9ff8..f2091d0 100644
--- a/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java
+++ b/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java
@@ -74,6 +74,7 @@ import java.util.regex.Pattern;
 
 public class NoteEditActivity extends Activity implements OnClickListener,
         NoteSettingChangedListener, OnTextViewChangeListener {
+
     private class HeadViewHolder {
         public TextView tvModified;
 
diff --git a/app/src/main/java/net/micode/notes/ui/NotesListActivity.java b/app/src/main/java/net/micode/notes/ui/NotesListActivity.java
index 9d9eebe..492fcf6 100644
--- a/app/src/main/java/net/micode/notes/ui/NotesListActivity.java
+++ b/app/src/main/java/net/micode/notes/ui/NotesListActivity.java
@@ -60,6 +60,8 @@ import android.widget.PopupMenu;
 import android.widget.TextView;
 import android.widget.Toast;
 
+import androidx.appcompat.app.AppCompatActivity;
+
 import net.micode.notes.R;
 import net.micode.notes.data.Notes;
 import net.micode.notes.data.Notes.NoteColumns;
@@ -78,7 +80,8 @@ import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.util.HashSet;
 
-public class NotesListActivity extends Activity  implements OnClickListener, OnItemLongClickListener {
+public class NotesListActivity extends AppCompatActivity implements OnClickListener, OnItemLongClickListener {
+    private int mode=-1;
     private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
 
     private static final int FOLDER_LIST_QUERY_TOKEN      = 1;
@@ -139,6 +142,9 @@ public class NotesListActivity extends Activity  implements OnClickListener, OnI
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.note_list);
+
+        getWindow().setBackgroundDrawableResource(R.drawable.beijing);
+        getWindow().setBackgroundDrawableResource(R.drawable.bb);
         initResources();
 
         /**
@@ -775,12 +781,27 @@ public class NotesListActivity extends Activity  implements OnClickListener, OnI
         } else {
             Log.e(TAG, "Wrong state:" + mState);
         }
+
+        if(mode==-1)
+            menu.findItem(R.id.menu_beijing).setVisible(false);
+        else if(mode==0)
+            menu.findItem(R.id.menu_bb).setVisible(false);
         return true;
     }
 
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
+            case R.id.menu_beijing:{
+                mode=-1;
+                getWindow().setBackgroundDrawableResource(R.drawable.beijing);
+                break;
+            }
+            case R.id.menu_bb:{
+                mode=0;
+                getWindow().setBackgroundDrawableResource(R.drawable.bb);
+                break;
+            }
             case R.id.menu_new_folder: {
                 showCreateOrModifyFolderDialog(true);
                 break;
diff --git a/app/src/main/res/drawable/bb.png b/app/src/main/res/drawable/bb.png
new file mode 100644
index 0000000..a4cfd30
Binary files /dev/null and b/app/src/main/res/drawable/bb.png differ
diff --git a/app/src/main/res/drawable/beijing.png b/app/src/main/res/drawable/beijing.png
new file mode 100644
index 0000000..2a2a6ee
Binary files /dev/null and b/app/src/main/res/drawable/beijing.png differ
diff --git a/app/src/main/res/layout/note_list.xml b/app/src/main/res/layout/note_list.xml
index 6b25d38..23989cb 100644
--- a/app/src/main/res/layout/note_list.xml
+++ b/app/src/main/res/layout/note_list.xml
@@ -18,8 +18,8 @@
 <FrameLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="fill_parent"
-    android:layout_height="fill_parent"
-    android:background="@drawable/list_background">
+    android:layout_height="fill_parent">
+<!--    android:background="@drawable/list_background">-->
 
     <LinearLayout
         android:layout_width="fill_parent"
diff --git a/app/src/main/res/menu/note_list.xml b/app/src/main/res/menu/note_list.xml
index 42ea736..6d8b14b 100644
--- a/app/src/main/res/menu/note_list.xml
+++ b/app/src/main/res/menu/note_list.xml
@@ -36,4 +36,10 @@
     <item
         android:id="@+id/menu_search"
         android:title="@string/menu_search"/>
+    <item
+        android:id="@+id/menu_beijing"
+        android:title="@string/menu_beijing"/>
+    <item
+        android:id="@+id/menu_bb"
+        android:title="@string/menu_bb"/>
 </menu>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 55df868..6a316b5 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -120,6 +120,9 @@
     <string name="call_record_folder_name">Call notes</string>
     <string name="hint_foler_name">Input name</string>
 
+    <string name="menu_beijing">Background: beijing</string>
+    <string name="menu_bb">Background: bb</string>
+
     <string name="search_label">Searching Notes</string>
     <string name="search_hint">Search notes</string>
     <string name="search_setting_description">Text in your notes</string>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 1ed07c0..448262c 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -63,7 +63,10 @@
     </style>
 
     <style name="NoteActionBarStyle" parent="@android:style/Widget.Holo.Light.ActionBar.Solid">
-<!--        <item name="android:displayOptions" />-->
-        <item name="android:visibility">visible</item>
+        <item name="android:displayOptions" />
+        <item name="android:visibility">gone</item>
     </style>
 </resources>
+    <!--<style name="NoteActionBarStyle" parent="@android:style/Widget.Holo.Light.ActionBar.Solid">-->
+    <!--    <item name="android:visibility">visible</item>-->
+    <!--</style>-->
\ No newline at end of file