diff --git a/app/src/main/java/com/jerryxiao/easterdream13/EasterDream.java b/app/src/main/java/com/jerryxiao/easterdream13/EasterDream.java
index f6936fc..7a47fc9 100644
--- a/app/src/main/java/com/jerryxiao/easterdream13/EasterDream.java
+++ b/app/src/main/java/com/jerryxiao/easterdream13/EasterDream.java
@@ -22,12 +22,13 @@ import android.util.DisplayMetrics;
 import android.util.Log;
 import android.view.Gravity;
 import android.view.View;
-import android.view.ViewGroup;
 import android.widget.FrameLayout;
 import android.widget.ImageView;
 
 import androidx.annotation.ChecksSdkIntAtLeast;
+import androidx.appcompat.widget.AppCompatTextView;
 import androidx.core.app.ActivityCompat;
+import androidx.core.widget.TextViewCompat;
 import androidx.preference.PreferenceManager;
 
 import java.util.ArrayList;
@@ -36,6 +37,7 @@ import java.util.Timer;
 import java.util.TimerTask;
 
 public class EasterDream extends DreamService {
+    private static final float i_sqrt2_adj = (float) (1.0/Math.sqrt(2)) * 0.95f;
     private static String TAG = "EasterDream";
     private SharedPreferences prefs;
 
@@ -44,8 +46,6 @@ public class EasterDream extends DreamService {
     private FrameLayout lastDreamLayout = null;
     private boolean enabled = false;
     public void refresh() {
-        final ImageView mLogo;
-        final BubblesDrawable mBg;
         final FrameLayout dreamLayout = new FrameLayout(this);
         dreamLayout.setVisibility(View.GONE);
 
@@ -57,14 +57,35 @@ public class EasterDream extends DreamService {
         final FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(widgetSize, widgetSize);
         lp.gravity = Gravity.CENTER;
 
-        mLogo = new ImageView(this);
-        mLogo.setVisibility(View.GONE);
-        mLogo.setImageResource(R.drawable.t_platlogo);
-        dreamLayout.addView(mLogo, lp);
+        final String logoString = prefs.getString("logo_text", "");
+        final boolean showLogo = prefs.getBoolean("show_logo", true);
 
-        mBg = new BubblesDrawable(this);
+        if (showLogo) {
+            final ImageView mLogo = new ImageView(this);
+            mLogo.setVisibility(View.GONE);
+            mLogo.setImageResource(logoString.isEmpty() ? R.drawable.t_platlogo : R.drawable.t_platlogo_empty);
+            dreamLayout.addView(mLogo, lp);
+            mLogo.setVisibility(View.VISIBLE);
+
+            if (!logoString.isEmpty()) {
+                final AppCompatTextView logoText = new AppCompatTextView(this);
+                logoText.setVisibility(View.GONE);
+                logoText.setGravity(Gravity.CENTER_VERTICAL | Gravity.CENTER_HORIZONTAL);
+                TextViewCompat.setAutoSizeTextTypeWithDefaults(logoText, TextViewCompat.AUTO_SIZE_TEXT_TYPE_UNIFORM);
+                logoText.setText(logoString);
+                logoText.setTextColor(0xffd6d6d6);
+                logoText.setBackgroundColor(0x00000000);
+                final int widgetSize2 = (int) (widgetSize * i_sqrt2_adj);
+                final FrameLayout.LayoutParams lp2 = new FrameLayout.LayoutParams(widgetSize2, widgetSize2);
+                lp2.gravity = Gravity.CENTER;
+                dreamLayout.addView(logoText, lp2);
+                logoText.setVisibility(View.VISIBLE);
+            }
+        }
+
+        final BubblesDrawable mBg = new BubblesDrawable(this);
         mBg.setLevel(0);
-        mBg.avoid = widgetSize / 2;
+        mBg.avoid = showLogo ? widgetSize / 2 : 0;
         mBg.padding = 0.5f * dp;
         mBg.minR = 1 * dp;
         if (wallPaperDrawable != null) {
@@ -75,7 +96,6 @@ public class EasterDream extends DreamService {
         }
 
         mBg.chooseEmojiSet();
-        mLogo.setVisibility(View.VISIBLE);
         mBg.setLevel(10000);
 
 
diff --git a/app/src/main/res/drawable/t_platlogo_empty.xml b/app/src/main/res/drawable/t_platlogo_empty.xml
new file mode 100644
index 0000000..b60cac2
--- /dev/null
+++ b/app/src/main/res/drawable/t_platlogo_empty.xml
@@ -0,0 +1,24 @@
+<!--
+Copyright (C) 2021 The Android Open Source Project
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="128dp"
+    android:height="128dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@color/system_accent3_500"
+        android:pathData="M11,0.3c0.6,-0.3 1.4,-0.3 2,0l0.6,0.4c0.7,0.4 1.4,0.6 2.2,0.6l0.7,-0.1c0.7,0 1.4,0.3 1.8,0.9l0.3,0.6c0.4,0.7 1,1.2 1.7,1.5L21,4.5c0.7,0.3 1.1,0.9 1.2,1.7v0.7C22.2,7.7 22.5,8.4 23,9l0.4,0.5c0.4,0.6 0.5,1.3 0.2,2l-0.3,0.6c-0.3,0.7 -0.4,1.5 -0.3,2.3l0.1,0.7c0.1,0.7 -0.2,1.4 -0.7,1.9L22,17.5c-0.6,0.5 -1.1,1.1 -1.3,1.9L20.5,20c-0.2,0.7 -0.8,1.2 -1.5,1.4l-0.7,0.1c-0.8,0.2 -1.4,0.5 -2,1.1l-0.5,0.5c-0.5,0.5 -1.3,0.7 -2,0.5l-0.6,-0.2c-0.8,-0.2 -1.5,-0.2 -2.3,0l-0.6,0.2c-0.7,0.2 -1.5,0 -2,-0.5l-0.5,-0.5c-0.5,-0.5 -1.2,-0.9 -2,-1.1L5,21.4c-0.7,-0.2 -1.3,-0.7 -1.5,-1.4l-0.2,-0.7C3.1,18.6 2.6,18 2,17.5l-0.6,-0.4c-0.6,-0.5 -0.8,-1.2 -0.7,-1.9l0.1,-0.7c0.1,-0.8 0,-1.6 -0.3,-2.3l-0.3,-0.6c-0.3,-0.7 -0.2,-1.4 0.2,-2L1,9c0.5,-0.6 0.7,-1.4 0.8,-2.2V6.2C1.9,5.5 2.3,4.8 3,4.5l0.6,-0.3c0.7,-0.3 1.3,-0.9 1.7,-1.5l0.3,-0.6c0.4,-0.6 1.1,-1 1.8,-0.9l0.7,0.1c0.8,0 1.6,-0.2 2.2,-0.6L11,0.3z" />
+</vector>
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index a503682..c08e338 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -9,4 +9,6 @@
     <string name="permission_denied_read_external_storage">读取存储空间权限被拒绝，壁纸将不会显示</string>
     <string name="error_title">错误</string>
     <string name="button_ok">好</string>
-</resources>
\ No newline at end of file
+    <string name="show_logo_title">显示徽标</string>
+    <string name="logo_text_title">自定义徽标文字</string>
+</resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index adbd129..6a629e7 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -8,4 +8,6 @@
     <string name="permission_denied_read_external_storage">Storage read permission denied, wallpaper can\'t be shown</string>
     <string name="error_title">Error occurred</string>
     <string name="button_ok">OK</string>
+    <string name="show_logo_title">Show logo</string>
+    <string name="logo_text_title">Custom text in logo</string>
 </resources>
diff --git a/app/src/main/res/xml/preferences.xml b/app/src/main/res/xml/preferences.xml
index 14ba8a1..1455c0f 100644
--- a/app/src/main/res/xml/preferences.xml
+++ b/app/src/main/res/xml/preferences.xml
@@ -8,6 +8,16 @@
             app:title="@string/dim_screen_title"
             app:defaultValue="false" />
 
+        <SwitchPreferenceCompat
+            app:key="show_logo"
+            app:title="@string/show_logo_title"
+            app:defaultValue="true" />
+
+        <EditTextPreference
+            app:key="logo_text"
+            app:title="@string/logo_text_title"
+            app:defaultValue=""
+            app:useSimpleSummaryProvider="true" />
 
         <ListPreference
             app:defaultValue="10"