diff --git a/src/core/GameApplication.cpp b/src/core/GameApplication.cpp
index 7b6b2ad..4f17f16 100644
--- a/src/core/GameApplication.cpp
+++ b/src/core/GameApplication.cpp
@@ -1,12 +1,16 @@
 #include "GameApplication.h"
 #include "utils/Tools.h"
 #include "Time.h"
-GameApplication::GameApplication() {
+
+
+GameApplication::GameApplication() 
+    
+{
 
 }
 
 GameApplication::~GameApplication() {
-
+  
 }
 
 bool GameApplication::initialize() {
@@ -23,6 +27,9 @@ bool GameApplication::initialize() {
         SDL_Log("无法加载json");
     }
     Time::init();
+    
+   
+    
     // 输入管理
     m_inputManager = std::make_unique<InputManager>();
     // 窗口管理
@@ -95,4 +102,5 @@ void GameApplication::run() {
     m_windowManager->endUI();
 
     m_windowManager->Present();
-}
\ No newline at end of file
+}
+
diff --git a/src/core/GameApplication.h b/src/core/GameApplication.h
index e96cb3c..cfcad0c 100644
--- a/src/core/GameApplication.h
+++ b/src/core/GameApplication.h
@@ -22,6 +22,7 @@ private:
     std::unique_ptr<UIRenderer> m_uiRenderer;
     std::unique_ptr<DebugManager> m_debugManager;
     Config m_config;
+   
 
 public:
     GameApplication();
@@ -29,5 +30,4 @@ public:
     bool initialize();
     SDL_AppResult handleInputEvent(SDL_Event* event);
     void run();
-
 };
\ No newline at end of file
diff --git a/src/scenes/base/SceneManager.cpp b/src/scenes/base/SceneManager.cpp
index 0b911a9..193be9e 100644
--- a/src/scenes/base/SceneManager.cpp
+++ b/src/scenes/base/SceneManager.cpp
@@ -38,6 +38,9 @@ void SceneManager::registerAllScene() {
     registerSceneFactory("GameScene", []() -> std::shared_ptr<Scene> {
         return std::make_shared<GameScene>();
     });
+    registerSceneFactory("OnlineGameScene", []() -> std::shared_ptr<Scene> {
+        return std::make_shared<OnlineGameScene>();
+    });
 }
 
 std::shared_ptr<Scene> SceneManager::createScene(const std::string& sceneName) {
diff --git a/src/scenes/base/SceneManager.h b/src/scenes/base/SceneManager.h
index 6e38d14..833baf0 100644
--- a/src/scenes/base/SceneManager.h
+++ b/src/scenes/base/SceneManager.h
@@ -9,6 +9,7 @@
 #include "Scene.h"
 #include "scenes/gameplay/GameScene.h"
 #include "scenes/menu/MainMenuScene.h"
+#include "scenes/gameplay/OnlineGameScene.h"
 #include <SDL3/SDL.h>
 #include <string>
 #include <stack>
diff --git a/src/scenes/gameplay/GameScene.cpp b/src/scenes/gameplay/GameScene.cpp
index f41702e..e97271a 100644
--- a/src/scenes/gameplay/GameScene.cpp
+++ b/src/scenes/gameplay/GameScene.cpp
@@ -56,7 +56,7 @@ void GameScene::renderUI() {
 }
 
 void GameScene::handleClick(int logicalX, int logicalY) {
-    if (m_gameUIManager->handleClick(logicalX, logicalY)) {
+    if (m_gameUIManager && m_gameUIManager->handleClick(logicalX, logicalY)) {
         return;
     }
     
diff --git a/src/scenes/gameplay/GameScene.h b/src/scenes/gameplay/GameScene.h
index b53d512..5cb9b9f 100644
--- a/src/scenes/gameplay/GameScene.h
+++ b/src/scenes/gameplay/GameScene.h
@@ -21,12 +21,12 @@ public:
     
 
     void restartGame();
-private:
+protected:
     
     std::unique_ptr<BoardRenderer> m_boardRenderer;
     std::unique_ptr<CoordinateConverter> m_CoordinateConverter;
     std::unique_ptr<GameSession> m_gameSession;
-    
+private:
     std::unique_ptr<GameUIManager> m_gameUIManager;
     
     
diff --git a/src/scenes/gameplay/OnlineGameScene.cpp b/src/scenes/gameplay/OnlineGameScene.cpp
new file mode 100644
index 0000000..42f5461
--- /dev/null
+++ b/src/scenes/gameplay/OnlineGameScene.cpp
@@ -0,0 +1,82 @@
+#include "OnlineGameScene.h"
+#include "core/GameApplication.h"
+#include <iostream>
+void OnlineGameScene::onEnter(SDL_Renderer* renderer, int WIDTH, int HEIGHT, UIRenderer* uiRenderer) {
+    m_renderer = renderer;
+    m_uiRenderer = uiRenderer;
+    m_gameUIManager = std::make_unique<OnlineGameUIManager>(
+        [this](const std::string& sceneName) {
+            if (m_eventCallback) {
+                SceneEvent event{SceneEventType::ChangeScene, sceneName};
+                m_eventCallback(event);
+            }
+        }
+    );
+    m_networkManager = std::make_unique<NetworkManager>();
+    
+    m_gameUIManager->init();
+    m_gameUIManager->setCallback([this]() {
+        this->restartGame();
+    });
+
+    m_gameUIManager->setOnlineTypeCallback(
+        [this](NetType type){
+            //std::cout << "try to init networkmanager\n";
+            if (!m_networkManager) {
+                std::cerr << "networkmanager is null\n";
+            }
+            m_networkManager->init(type);
+            if (type == NetType::CLIENT) {
+                m_isMyTurn = false;
+                m_myPlayerID = PlayerID::P2;
+            }
+            if (type == NetType::HOST) {
+                m_isMyTurn = true;
+                m_myPlayerID = PlayerID::P1;
+            }
+        }
+    );
+    m_boardRenderer = std::make_unique<BoardRenderer>(WIDTH, HEIGHT, renderer);
+    m_gameSession = std::make_unique<GameSession>();
+    m_CoordinateConverter = std::make_unique<CoordinateConverter>(renderer);
+    m_gameSession->initialize();
+
+    m_boardRenderer->setBoard(m_gameSession->getBoard());
+
+    
+    
+}
+
+void OnlineGameScene::renderWorld() {
+    GameScene::renderWorld();
+}
+
+void OnlineGameScene::renderUI() {
+    m_uiRenderer->renderUI(m_gameUIManager->getUIRenderData());
+}
+
+void OnlineGameScene::handleClick(int logicalX, int logicalY) {
+    if (m_gameUIManager && m_gameUIManager->handleClick(logicalX, logicalY)) {
+        return;
+    }
+    // 如果当前是自己的回合就处理点击
+    // 否则忽略
+    if (!m_isMyTurn) {\
+        std::cout << "it is not your turn\n";
+        return;
+    }
+    GameScene::handleClick(logicalX, logicalY);
+    if (m_gameSession->getCurrentPlayer() != m_myPlayerID) {
+        m_isMyTurn = false;
+    }
+}
+
+void OnlineGameScene::handleNetworkClick(int logicalX, int logicalY) {
+    if (m_isMyTurn) {
+        return;
+    }
+    GameScene::handleClick(logicalX, logicalY);
+    if (m_gameSession->getCurrentPlayer() == m_myPlayerID) {
+        m_isMyTurn = true;
+    }
+}
\ No newline at end of file
diff --git a/src/scenes/gameplay/OnlineGameScene.h b/src/scenes/gameplay/OnlineGameScene.h
new file mode 100644
index 0000000..d900e43
--- /dev/null
+++ b/src/scenes/gameplay/OnlineGameScene.h
@@ -0,0 +1,22 @@
+#pragma once
+#include "GameScene.h"
+#include "ui/managers/OnlineGameUIManager.h"
+#include "network/NetworkManager.h"
+class OnlineGameScene : public GameScene {
+public:
+
+    void onEnter(SDL_Renderer* renderer, int WIDTH, int HEIGHT, UIRenderer* uiRenderer) override;
+
+    void renderWorld() override;
+
+    void handleClick(int logicalX, int logicalY) override;
+
+    void handleNetworkClick(int logicalX, int logicalY);
+
+    void renderUI() override;
+private:
+    PlayerID m_myPlayerID;
+    bool m_isMyTurn;
+    std::unique_ptr<NetworkManager> m_networkManager;
+    std::unique_ptr<OnlineGameUIManager> m_gameUIManager;
+};
\ No newline at end of file
diff --git a/src/ui/managers/GameUIManager.h b/src/ui/managers/GameUIManager.h
index 5f17f43..1d84981 100644
--- a/src/ui/managers/GameUIManager.h
+++ b/src/ui/managers/GameUIManager.h
@@ -23,7 +23,7 @@ public:
     void updateGameState(GameState state);
 
     bool handleClick(int logicalX, int logicalY);
-private:
+protected:
     std::function<void()> m_restartCallback;
     void setupUIComponents();
 
diff --git a/src/ui/managers/MainMenuUIManager.cpp b/src/ui/managers/MainMenuUIManager.cpp
index 4715c82..f314b9e 100644
--- a/src/ui/managers/MainMenuUIManager.cpp
+++ b/src/ui/managers/MainMenuUIManager.cpp
@@ -18,6 +18,13 @@ void MainMenuUIManager::init() {
     );
     
     m_buttons.emplace(startButton->getNameHash(), std::move(startButton));
+
+    auto onlineStartButton = UIWidgetFactory::createStandardButton(
+        "OnlineStartButton", "联机对战", 275, 250,
+        [this]() {m_eventCallback("OnlineGameScene"); }
+    );
+
+    m_buttons.emplace(onlineStartButton->getNameHash(), std::move(onlineStartButton));
     
 }
 
diff --git a/src/ui/managers/OnlineGameUIManager.h b/src/ui/managers/OnlineGameUIManager.h
new file mode 100644
index 0000000..0094f19
--- /dev/null
+++ b/src/ui/managers/OnlineGameUIManager.h
@@ -0,0 +1,13 @@
+#pragma once
+#include "GameUIManager.h"
+#include "network/NetData.h"
+class OnlineGameUIManager : public GameUIManager {
+public:
+    using OnlineTypeEvent = std::function<void(NetType )>;
+    OnlineGameUIManager(SceneEventCallback eventCallback);
+    ~OnlineGameUIManager();
+    void init() override;
+    void setOnlineTypeCallback(OnlineTypeEvent type);
+private:
+    OnlineTypeEvent m_onlineTypeEvent;
+};
\ No newline at end of file