diff --git a/libwinboll/build.properties b/libwinboll/build.properties
index ce0ff21..ebdcee9 100644
--- a/libwinboll/build.properties
+++ b/libwinboll/build.properties
@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Sat May 09 21:21:56 CST 2026
+#Sun May 10 02:49:50 CST 2026
 stageCount=27
 libraryProject=libwinboll
 baseVersion=15.11
 publishVersion=15.11.26
-buildCount=24
+buildCount=25
 baseBetaVersion=15.11.27
diff --git a/libwinboll/src/main/res/layout/library.xml b/libwinboll/src/main/res/layout/library.xml
index b1d869f..643e901 100644
--- a/libwinboll/src/main/res/layout/library.xml
+++ b/libwinboll/src/main/res/layout/library.xml
@@ -4,8 +4,8 @@
     android:gravity="center">
 
     <TextView
-        android:text="@string/hello_world"
         android:layout_width="wrap_content"
-        android:layout_height="wrap_content" />
+        android:layout_height="wrap_content"
+        android:text="cc.winboll.studio.libwinboll.LibraryActivity"/>
 
 </LinearLayout>
diff --git a/winboll/build.properties b/winboll/build.properties
index ce0ff21..ebdcee9 100644
--- a/winboll/build.properties
+++ b/winboll/build.properties
@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Sat May 09 21:21:56 CST 2026
+#Sun May 10 02:49:50 CST 2026
 stageCount=27
 libraryProject=libwinboll
 baseVersion=15.11
 publishVersion=15.11.26
-buildCount=24
+buildCount=25
 baseBetaVersion=15.11.27
diff --git a/winboll/src/main/java/cc/winboll/studio/winboll/MainActivity.java b/winboll/src/main/java/cc/winboll/studio/winboll/MainActivity.java
index 9f80e3e..4cc42b1 100644
--- a/winboll/src/main/java/cc/winboll/studio/winboll/MainActivity.java
+++ b/winboll/src/main/java/cc/winboll/studio/winboll/MainActivity.java
@@ -192,6 +192,10 @@ public class MainActivity extends DrawerFragmentActivity {
         } else if (nItemId == R.id.item_termux_env_test) {
 			Intent intent = new Intent(getApplicationContext(), TermuxEnvTestActivity.class);
 
+			WinBoLLActivityManager.getInstance().startWinBoLLActivity(getApplicationContext(), intent, AboutActivity.class);
+        } else if (nItemId == R.id.item_library_activity) {
+			Intent intent = new Intent(getApplicationContext(), cc.winboll.studio.libwinboll.LibraryActivity.class);
+
 			WinBoLLActivityManager.getInstance().startWinBoLLActivity(getApplicationContext(), intent, AboutActivity.class);
         } else {
 			return super.onOptionsItemSelected(item);
diff --git a/winboll/src/main/res/menu/toolbar_test.xml b/winboll/src/main/res/menu/toolbar_test.xml
index bb3b59a..d8b2edf 100644
--- a/winboll/src/main/res/menu/toolbar_test.xml
+++ b/winboll/src/main/res/menu/toolbar_test.xml
@@ -7,6 +7,9 @@
 			<item
 				android:id="@+id/item_termux_env_test"
 				android:title="TermuxEnvTestActivity"/>
+			<item
+				android:id="@+id/item_library_activity"
+				android:title="LibraryActivity"/>
         </menu>
     </item>
 </menu>