diff --git a/colorpickerdialogex/build.properties b/colorpickerdialogex/build.properties
index 0dee8ac..1e1d04e 100644
--- a/colorpickerdialogex/build.properties
+++ b/colorpickerdialogex/build.properties
@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Sat May 02 12:22:08 GMT 2026
+#Sat May 02 20:54:37 CST 2026
 stageCount=0
 libraryProject=libcolorpickerdialogex
 baseVersion=15.0
 publishVersion=15.0.0
-buildCount=20
+buildCount=28
 baseBetaVersion=15.0.1
diff --git a/colorpickerdialogex/src/main/java/cc/winboll/studio/colorpickerdialogex/MainActivity.java b/colorpickerdialogex/src/main/java/cc/winboll/studio/colorpickerdialogex/MainActivity.java
index 88944d3..8d41e2e 100644
--- a/colorpickerdialogex/src/main/java/cc/winboll/studio/colorpickerdialogex/MainActivity.java
+++ b/colorpickerdialogex/src/main/java/cc/winboll/studio/colorpickerdialogex/MainActivity.java
@@ -2,6 +2,8 @@ package cc.winboll.studio.colorpickerdialogex;
 
 import android.content.Intent;
 import android.os.Bundle;
+import android.view.Menu;
+import android.view.MenuItem;
 import android.view.View;
 import android.widget.LinearLayout;
 import androidx.appcompat.app.AppCompatActivity;
@@ -20,8 +22,8 @@ public class MainActivity extends AppCompatActivity {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
-		Toolbar toolbar=(Toolbar)findViewById(R.id.toolbar);
-		setSupportActionBar(toolbar);
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
 
         mLogView = findViewById(R.id.logview);
 
@@ -39,6 +41,21 @@ public class MainActivity extends AppCompatActivity {
 		}
     }
 
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.main_menu, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        if (item.getItemId() == R.id.menu_about) {
+            startActivity(new Intent(this, AboutActivity.class));
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
 	public void onSettingBackgroundWithColorPickerDialogEx(View view) {
 		ColorPickerDialogEx dlg = new ColorPickerDialogEx(this, getResources().getColor(R.color.colorPrimary));
 		dlg.setOnColorChangedListener(new com.a4455jkjh.colorpicker.view.OnColorChangedListener() {
diff --git a/colorpickerdialogex/src/main/res/menu/main_menu.xml b/colorpickerdialogex/src/main/res/menu/main_menu.xml
new file mode 100644
index 0000000..b613387
--- /dev/null
+++ b/colorpickerdialogex/src/main/res/menu/main_menu.xml
@@ -0,0 +1,8 @@
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/menu_about"
+        android:title="About"
+        android:icon="@android:drawable/ic_dialog_info"
+        app:showAsAction="ifRoom" />
+</menu>
\ No newline at end of file
diff --git a/libcolorpickerdialogex/build.properties b/libcolorpickerdialogex/build.properties
index 0dee8ac..1e1d04e 100644
--- a/libcolorpickerdialogex/build.properties
+++ b/libcolorpickerdialogex/build.properties
@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Sat May 02 12:22:08 GMT 2026
+#Sat May 02 20:54:37 CST 2026
 stageCount=0
 libraryProject=libcolorpickerdialogex
 baseVersion=15.0
 publishVersion=15.0.0
-buildCount=20
+buildCount=28
 baseBetaVersion=15.0.1