diff --git a/src/FluentUI.cpp b/src/FluentUI.cpp
index ed5e6c6a..409a2aa4 100644
--- a/src/FluentUI.cpp
+++ b/src/FluentUI.cpp
@@ -20,20 +20,6 @@
 #include "FluNetwork.h"
 #include "QRCode.h"
 
-int major = 1;
-int minor = 0;
-auto uri = "FluentUI";
-
-FluentUI* FluentUI::m_instance = nullptr;
-
-FluentUI *FluentUI::getInstance()
-{
-    if(FluentUI::m_instance == nullptr){
-        FluentUI::m_instance = new FluentUI;
-    }
-    return FluentUI::m_instance;
-}
-
 void FluentUI::registerTypes(QQmlEngine *engine){
     initializeEngine(engine,uri);
     registerTypes(uri);
diff --git a/src/FluentUI.h b/src/FluentUI.h
index ba6654f8..a8fa2b25 100644
--- a/src/FluentUI.h
+++ b/src/FluentUI.h
@@ -3,17 +3,20 @@
 
 #include <QObject>
 #include <QQmlEngine>
+#include "singleton.h"
 
 class FluentUI : public QObject
 {
     Q_OBJECT
 public:
-    static FluentUI *getInstance();
+    SINGLETONG(FluentUI)
     Q_DECL_EXPORT void registerTypes(QQmlEngine *engine);
     void registerTypes(const char *uri);
     void initializeEngine(QQmlEngine *engine, const char *uri);
 private:
-    static FluentUI* m_instance;
+    const int major = 1;
+    const int minor = 0;
+    const char *uri = "FluentUI";
 };
 
 #endif // FLUENTUI_H