diff --git a/SakuraCore/src/Application.cpp b/SakuraCore/src/Application.cpp
index ab6f35b..ececc54 100644
--- a/SakuraCore/src/Application.cpp
+++ b/SakuraCore/src/Application.cpp
@@ -50,7 +50,7 @@ bool Application::Init() {
 
     m_AppData.windowdata.eventCallback = [this](Event &event) { RaiseEvent(event); };
     m_Window.push_back(std::make_shared<Window>(m_AppData.windowdata));
-    bool isSuccessful = m_Window[0]->Create();
+    bool isSuccessful = m_Window[0]->Create({m_AppData.windowdata.windowFlags});
     if (!isSuccessful) {
         Shutdown();
         return false;
diff --git a/SakuraCore/src/Window.cpp b/SakuraCore/src/Window.cpp
index 356dbda..1304668 100644
--- a/SakuraCore/src/Window.cpp
+++ b/SakuraCore/src/Window.cpp
@@ -11,10 +11,8 @@ namespace SakuraVNE {
 Window::Window(const WindowData &data) : m_Data(data) {}
 Window::~Window() { Destroy(); }
 
-bool Window::Create(std::span<const SDL_WindowFlags> flags) {
-    for (auto &flag : flags) {
-        m_Flags |= flag;
-    }
+bool Window::Create(const SDL_WindowFlags flags) {
+    m_Flags |= flags;
 
     m_Handle = SDL_CreateWindow(m_Data.title.c_str(), m_Data.width, m_Data.height, m_Flags);
 
diff --git a/SakuraCore/src/Window.h b/SakuraCore/src/Window.h
index 8f84b57..72584a3 100644
--- a/SakuraCore/src/Window.h
+++ b/SakuraCore/src/Window.h
@@ -9,7 +9,7 @@
 
 namespace SakuraVNE {
 struct WindowData {
-    std::span<const SDL_WindowFlags> windowFlags;
+    SDL_WindowFlags windowFlags;
     std::string title = "Window Title";
     int width = 1280;
     int height = 720;
@@ -27,7 +27,7 @@ public:
     Window(const WindowData &data = WindowData());
     ~Window();
 
-    bool Create(std::span<const SDL_WindowFlags> flags = {});
+    bool Create(const SDL_WindowFlags flags = 0);
     void Destroy();
 
     void Update();