diff --git a/src/kiwano/platform/Application.cpp b/src/kiwano/platform/Application.cpp
index 5222fe11..b3f0c3c2 100644
--- a/src/kiwano/platform/Application.cpp
+++ b/src/kiwano/platform/Application.cpp
@@ -52,6 +52,8 @@ void Application::Run(RunnerPtr runner, bool debug)
 {
     KGE_ASSERT(runner);
     runner_ = runner;
+    timer_   = Timer::Create();
+    running_ = true;
 
     // Setup all modules
     for (auto c : modules_)
@@ -68,8 +70,6 @@ void Application::Run(RunnerPtr runner, bool debug)
     // Everything is ready
     runner->OnReady();
 
-    running_ = true;
-    timer_   = Timer::Create();
     while (running_)
     {
         timer_->Tick();
diff --git a/src/kiwano/platform/Window.cpp b/src/kiwano/platform/Window.cpp
index 1fdd40d7..7bff692b 100644
--- a/src/kiwano/platform/Window.cpp
+++ b/src/kiwano/platform/Window.cpp
@@ -29,8 +29,10 @@ Window::Window()
     , is_fullscreen_(false)
     , width_(0)
     , height_(0)
-    , min_width_(100)
-    , min_height_(50)
+    , min_width_(0)
+    , min_height_(0)
+    , max_width_(0)
+    , max_height_(0)
 {
 }
 
diff --git a/src/kiwano/platform/Window.h b/src/kiwano/platform/Window.h
index a982bfaa..63dbb122 100644
--- a/src/kiwano/platform/Window.h
+++ b/src/kiwano/platform/Window.h
@@ -136,6 +136,14 @@ public:
      */
     virtual void SetMinimumSize(uint32_t width, uint32_t height) = 0;
 
+    /**
+     * \~chinese
+     * @brief 设置窗口最大大小
+     * @param width 最大窗口宽度
+     * @param height 最大窗口高度
+     */
+    virtual void SetMaximumSize(uint32_t width, uint32_t height) = 0;
+
     /**
      * \~chinese
      * @brief 设置鼠标指针类型
@@ -193,6 +201,8 @@ protected:
     uint32_t             height_;
     uint32_t             min_width_;
     uint32_t             min_height_;
+    uint32_t             max_width_;
+    uint32_t             max_height_;
     WindowHandle         handle_;
     String               title_;
     std::queue<EventPtr> event_queue_;
diff --git a/src/kiwano/platform/win32/WindowImpl.cpp b/src/kiwano/platform/win32/WindowImpl.cpp
index ffe85838..5fc92edf 100644
--- a/src/kiwano/platform/win32/WindowImpl.cpp
+++ b/src/kiwano/platform/win32/WindowImpl.cpp
@@ -58,6 +58,8 @@ public:
 
     void SetMinimumSize(uint32_t width, uint32_t height) override;
 
+    void SetMaximumSize(uint32_t width, uint32_t height) override;
+
     void SetCursor(CursorType cursor) override;
 
     void PumpEvents() override;
@@ -257,8 +259,11 @@ void WindowWin32Impl::Init(const String& title, uint32_t width, uint32_t height,
         height = win_height;
     }
 
-    handle_ = ::CreateWindowExA(fullscreen ? WS_EX_TOPMOST : 0, "KiwanoAppWnd", title.c_str(), GetStyle(),
-                                left, top, width, height, nullptr, nullptr, hinst, nullptr);
+    width_     = width;
+    height_    = height;
+    resizable_ = resizable;
+    handle_    = ::CreateWindowExA(fullscreen ? WS_EX_TOPMOST : 0, "KiwanoAppWnd", title.c_str(), GetStyle(), left, top,
+                                width, height, nullptr, nullptr, hinst, nullptr);
 
     if (handle_ == nullptr)
     {
@@ -266,10 +271,6 @@ void WindowWin32Impl::Init(const String& title, uint32_t width, uint32_t height,
         KGE_THROW_SYSTEM_ERROR(HRESULT_FROM_WIN32(GetLastError()), "Create window failed");
     }
 
-    width_     = width;
-    height_    = height;
-    resizable_ = resizable;
-
     // disable imm
     ::ImmAssociateContext(handle_, nullptr);
 
@@ -333,6 +334,12 @@ void WindowWin32Impl::SetMinimumSize(uint32_t width, uint32_t height)
     min_height_ = height;
 }
 
+void WindowWin32Impl::SetMaximumSize(uint32_t width, uint32_t height)
+{
+    max_width_  = width;
+    max_height_ = height;
+}
+
 void WindowWin32Impl::SetCursor(CursorType cursor)
 {
     mouse_cursor_ = cursor;
@@ -498,13 +505,15 @@ LRESULT WindowWin32Impl::MessageProc(HWND hwnd, UINT32 msg, WPARAM wparam, LPARA
         }
         else if (SIZE_MAXIMIZED == wparam)
         {
+            KGE_SYS_LOG("Window maximized");
+
             if (is_minimized_)
             {
                 is_minimized_ = false;
                 if (Application::GetInstance().IsRunning())
                 {
                     TimerPtr timer = Application::GetInstance().GetTimer();
-                    timer->Pause();
+                    timer->Resume();
                 }
             }
         }
@@ -519,7 +528,7 @@ LRESULT WindowWin32Impl::MessageProc(HWND hwnd, UINT32 msg, WPARAM wparam, LPARA
                 if (Application::GetInstance().IsRunning())
                 {
                     TimerPtr timer = Application::GetInstance().GetTimer();
-                    timer->Pause();
+                    timer->Resume();
                 }
             }
             else if (is_resizing_)
@@ -528,8 +537,6 @@ LRESULT WindowWin32Impl::MessageProc(HWND hwnd, UINT32 msg, WPARAM wparam, LPARA
             }
             else
             {
-                KGE_SYS_LOG("Window resized");
-
                 this->width_  = ((uint32_t)(short)LOWORD(lparam));
                 this->height_ = ((uint32_t)(short)HIWORD(lparam));
 
@@ -537,6 +544,8 @@ LRESULT WindowWin32Impl::MessageProc(HWND hwnd, UINT32 msg, WPARAM wparam, LPARA
                 evt->width                = this->GetWidth();
                 evt->height               = this->GetHeight();
                 this->PushEvent(evt);
+
+                KGE_SYS_LOG("Window resized to (%d, %d)", this->width_, this->height_);
             }
         }
     }
@@ -552,7 +561,6 @@ LRESULT WindowWin32Impl::MessageProc(HWND hwnd, UINT32 msg, WPARAM wparam, LPARA
         }
         return 0;
     }
-    break;
 
     case WM_EXITSIZEMOVE:
     {
@@ -562,17 +570,40 @@ LRESULT WindowWin32Impl::MessageProc(HWND hwnd, UINT32 msg, WPARAM wparam, LPARA
             TimerPtr timer = Application::GetInstance().GetTimer();
             timer->Resume();
         }
+
+        // Send window resized event when client size changed
+        RECT client_rect = { 0 };
+        ::GetClientRect(hwnd, &client_rect);
+
+        uint32_t client_width  = uint32_t(client_rect.right - client_rect.left);
+        uint32_t client_height = uint32_t(client_rect.bottom - client_rect.top);
+        if (client_width != this->GetWidth() || client_height != this->GetHeight())
+        {
+            KGE_SYS_LOG("Window resized to (%d, %d)", client_width, client_height);
+
+            this->width_  = client_width;
+            this->height_ = client_height;
+
+            WindowResizedEventPtr evt = new WindowResizedEvent;
+            evt->width                = this->GetWidth();
+            evt->height               = this->GetHeight();
+            this->PushEvent(evt);
+        }
         return 0;
     }
-    break;
 
     case WM_GETMINMAXINFO:
     {
-        // prevent the window from becoming too small
-        ((MINMAXINFO*)lparam)->ptMinTrackSize.x = LONG(min_width_);
-        ((MINMAXINFO*)lparam)->ptMinTrackSize.y = LONG(min_height_);
+        if (min_width_ || min_height_)
+        {
+            ((MINMAXINFO*)lparam)->ptMinTrackSize = POINT{ LONG(min_width_), LONG(min_height_) };
+        }
+        if (max_width_ || max_height_)
+        {
+            ((MINMAXINFO*)lparam)->ptMaxTrackSize = POINT{ LONG(max_width_), LONG(max_height_) };
+        }
+        return 0;
     }
-    return 0;
 
     case WM_MOVE:
     {