diff --git a/Frostbite2D/src/frostbite2D/core/application.cpp b/Frostbite2D/src/frostbite2D/core/application.cpp
index 8a95377..494bf60 100644
--- a/Frostbite2D/src/frostbite2D/core/application.cpp
+++ b/Frostbite2D/src/frostbite2D/core/application.cpp
@@ -149,6 +149,12 @@ bool Application::initCoreModules() {
     return false;
   }
 
+  window_->onResize([this](int width, int height) {
+    renderer_->setViewport(0, 0, width, height);
+    camera_->setViewport(width, height);
+    SDL_Log("Window resized to %dx%d", width, height);
+  });
+
   // 初始化渲染器
   renderer_ = &Renderer::get();
   if (!renderer_->init()) {
diff --git a/Frostbite2D/src/frostbite2D/core/window.cpp b/Frostbite2D/src/frostbite2D/core/window.cpp
index 400276a..1bfc9e6 100644
--- a/Frostbite2D/src/frostbite2D/core/window.cpp
+++ b/Frostbite2D/src/frostbite2D/core/window.cpp
@@ -134,11 +134,21 @@ void Window::close() { shouldClose_ = true; }
 void Window::setTitle(const std::string &title) {}
 
 void Window::setSize(int w, int h) {
+  if (sdlWindow_) {
+    SDL_SetWindowSize(sdlWindow_, w, h);
+  }
   width_ = w;
   height_ = h;
+  if (resizeCb_) {
+    resizeCb_(w, h);
+  }
 }
 
-void Window::setPos(int x, int y) {}
+void Window::setPos(int x, int y) {
+  if (sdlWindow_) {
+    SDL_SetWindowPosition(sdlWindow_, x, y);
+  }
+}
 
 void Window::setFullscreen(bool fs) { fullscreen_ = fs; }
 
@@ -154,7 +164,14 @@ Size Window::size() const {
   return Size{static_cast<float>(width_), static_cast<float>(height_)};
 }
 
-Vec2 Window::pos() const { return Vec2{0.0f, 0.0f}; }
+Vec2 Window::pos() const {
+  if (sdlWindow_) {
+    int x, y;
+    SDL_GetWindowPosition(sdlWindow_, &x, &y);
+    return Vec2{static_cast<float>(x), static_cast<float>(y)};
+  }
+  return Vec2{0.0f, 0.0f};
+}
 
 bool Window::fullscreen() const { return fullscreen_; }
 
diff --git a/Game/src/main.cpp b/Game/src/main.cpp
index 72a19c4..0c5d7cb 100644
--- a/Game/src/main.cpp
+++ b/Game/src/main.cpp
@@ -100,6 +100,18 @@ int main(int argc, char **argv) {
         if(ke.getButton() == 6) {
           Application::get().quit();
         }
+        if (ke.getButton() == 0) {
+          Application::get().getWindow()->setPos(0, 0);
+          SDL_Log("setPos ret=%d, %d", Application::get().getWindow()->pos().x, Application::get().getWindow()->pos().y);
+
+          Application::get().getWindow()->setSize(1920, 1080);
+        }
+        if (ke.getButton() == 1) {
+          Application::get().getWindow()->setPos(0, 0);
+
+          Application::get().getWindow()->setSize(1280, 720);
+        }
+
         return true;
       });