diff --git a/example/qml/App.qml b/example/qml/App.qml
index 7b50e37b..676e8fb9 100644
--- a/example/qml/App.qml
+++ b/example/qml/App.qml
@@ -45,5 +45,6 @@ Item {
         }
         FluApp.initialRoute = "/"
         FluApp.run()
+        __fluentui()
     }
 }
diff --git a/src/FluApp.cpp b/src/FluApp.cpp
index 9137ff5e..25ab69cc 100644
--- a/src/FluApp.cpp
+++ b/src/FluApp.cpp
@@ -29,6 +29,10 @@ void FluApp::init(QObject *application){
     FramelessConfig::instance()->set(Global::Option::CenterWindowBeforeShow);
     QQmlEngine *engine = qmlEngine(_application);
     FramelessHelper::Quick::registerTypes(engine);
+    QJSEngine * jsEngine = qjsEngine(_application);
+    std::string jsFunction = R"( (function () { console.log("FluentUI");}) )";
+    QJSValue function = jsEngine->evaluate(QString::fromStdString(jsFunction));
+    jsEngine->globalObject().setProperty("__fluentui",function);
 }
 
 void FluApp::run(){