diff --git a/Frostbite2D/include/frostbite2D/2d/actor.h b/Frostbite2D/include/frostbite2D/2d/actor.h
index b6ac4d8..0015eb4 100644
--- a/Frostbite2D/include/frostbite2D/2d/actor.h
+++ b/Frostbite2D/include/frostbite2D/2d/actor.h
@@ -47,7 +47,13 @@ public:
   const UUID& GetUUID() const { return uuid_; }
   std::string GetUUIDString() const { return uuid_.toString(); }
 
+  /**
+   * @brief 获取锚点在父坐标系中的位置
+   */
   const Vec2& GetPosition() const { return position_; }
+  /**
+   * @brief 设置锚点在父坐标系中的位置
+   */
   void SetPosition(const Vec2& pos);
   void SetPosition(float x, float y);
 
@@ -65,10 +71,26 @@ public:
   void SetSize(const Vec2& size);
   void SetSize(float width, float height);
 
+  /**
+   * @brief 获取归一化锚点，(0, 0) 为左上角，(0.5, 0.5) 为中心
+   */
   const Vec2& GetAnchor() const { return anchor_; }
+  /**
+   * @brief 设置归一化锚点，不会自动补偿 position
+   */
   void SetAnchor(const Vec2& anchor);
   void SetAnchor(float x, float y);
 
+  /**
+   * @brief 获取未旋转矩形左上角在父坐标系中的位置
+   */
+  Vec2 GetTopLeftPosition() const;
+  /**
+   * @brief 设置未旋转矩形左上角在父坐标系中的位置
+   */
+  void SetTopLeftPosition(const Vec2& pos);
+  void SetTopLeftPosition(float x, float y);
+
   bool IsVisible() const { return visible_; }
   void SetVisible(bool visible) { visible_ = visible; }
 
@@ -93,8 +115,19 @@ public:
   void EnableEventIntercept() { eventInterceptEnabled_ = true; }
   void DisableEventIntercept() { eventInterceptEnabled_ = false; }
 
+  enum class UpdatePhase {
+    BeforeChildren,
+    AfterChildren
+  };
+
+  using UpdateCallback = Function<void(Actor&, float)>;
   using EventCallback = std::function<bool(const Event&)>;
 
+  uint32 AddUpdateListener(UpdateCallback callback,
+                           UpdatePhase phase = UpdatePhase::BeforeChildren);
+  bool RemoveUpdateListener(uint32 listenerId);
+  void ClearUpdateListeners();
+
   uint32 AddEventListener(EventType type, EventCallback callback);
   bool RemoveEventListener(uint32 listenerId);
   void ClearEventListeners();
@@ -152,6 +185,17 @@ private:
   int32 eventPriority_ = 0;
   bool eventInterceptEnabled_ = false;
 
+  struct UpdateListener {
+    uint32 id;
+    UpdatePhase phase;
+    UpdateCallback callback;
+    bool active = true;
+  };
+  std::vector<UpdateListener> updateListeners_;
+  uint32 nextUpdateListenerId_ = 1;
+  bool iteratingUpdateListeners_ = false;
+  bool updateListenersDirty_ = false;
+
   struct EventListener {
     uint32 id;
     EventType type;
@@ -163,6 +207,8 @@ private:
   void markTransformDirty();
   void updateLocalTransform() const;
   void updateWorldTransform() const;
+  void executeUpdateListeners(UpdatePhase phase, float deltaTime);
+  void compactUpdateListeners();
 
   friend class Scene;
 };
diff --git a/Frostbite2D/include/frostbite2D/core/task_system.h b/Frostbite2D/include/frostbite2D/core/task_system.h
new file mode 100644
index 0000000..00c346c
--- /dev/null
+++ b/Frostbite2D/include/frostbite2D/core/task_system.h
@@ -0,0 +1,142 @@
+#pragma once
+
+#include <atomic>
+#include <condition_variable>
+#include <exception>
+#include <future>
+#include <memory>
+#include <mutex>
+#include <queue>
+#include <thread>
+#include <type_traits>
+#include <utility>
+#include <vector>
+
+#include <frostbite2D/types/type_alias.h>
+
+namespace frostbite2D {
+
+struct TaskSystemConfig {
+  uint32 workerCount = 0;
+  uint32 maxMainThreadCallbacksPerFrame = 0;
+  uint32 threadStackSize = 0;
+};
+
+class TaskSystem {
+public:
+  static TaskSystem& get();
+
+  TaskSystem(const TaskSystem&) = delete;
+  TaskSystem& operator=(const TaskSystem&) = delete;
+
+  bool init(const TaskSystemConfig& config = {});
+  void shutdown();
+
+  bool isInitialized() const { return initialized_; }
+  bool isMainThread() const;
+  size_t workerCount() const;
+  uint32 maxMainThreadCallbacksPerFrame() const;
+
+  template <typename F>
+  void post(F&& task) {
+    enqueueWorkerTask(Function<void()>(std::forward<F>(task)));
+  }
+
+  template <typename F>
+  auto submit(F&& task) -> std::future<std::invoke_result_t<F>> {
+    using Result = std::invoke_result_t<F>;
+
+    auto packagedTask =
+        std::make_shared<std::packaged_task<Result()>>(std::forward<F>(task));
+    std::future<Result> future = packagedTask->get_future();
+
+    enqueueWorkerTask([packagedTask]() mutable { (*packagedTask)(); });
+    return future;
+  }
+
+  template <typename F>
+  void postToMainThread(F&& callback) {
+    enqueueMainThreadTask(Function<void()>(std::forward<F>(callback)));
+  }
+
+  template <typename Task, typename OnComplete>
+  void submitThen(Task&& task, OnComplete&& onComplete) {
+    using Result = std::invoke_result_t<Task>;
+    using Storage = std::decay_t<Result>;
+
+    auto taskFn = std::make_shared<std::decay_t<Task>>(std::forward<Task>(task));
+    auto completeFn =
+        std::make_shared<std::decay_t<OnComplete>>(std::forward<OnComplete>(onComplete));
+
+    enqueueWorkerTask([this, taskFn, completeFn]() mutable {
+      try {
+        if constexpr (std::is_void_v<Result>) {
+          std::invoke(*taskFn);
+          enqueueMainThreadTask([completeFn]() mutable { std::invoke(*completeFn); });
+        } else {
+          auto result = std::make_shared<Storage>(std::invoke(*taskFn));
+          enqueueMainThreadTask([completeFn, result]() mutable {
+            std::invoke(*completeFn, std::move(*result));
+          });
+        }
+      } catch (...) {
+        logUnhandledTaskException(std::current_exception());
+      }
+    });
+  }
+
+  template <typename Task, typename OnComplete, typename OnError>
+  void submitThen(Task&& task, OnComplete&& onComplete, OnError&& onError) {
+    using Result = std::invoke_result_t<Task>;
+    using Storage = std::decay_t<Result>;
+
+    auto taskFn = std::make_shared<std::decay_t<Task>>(std::forward<Task>(task));
+    auto completeFn =
+        std::make_shared<std::decay_t<OnComplete>>(std::forward<OnComplete>(onComplete));
+    auto errorFn =
+        std::make_shared<std::decay_t<OnError>>(std::forward<OnError>(onError));
+
+    enqueueWorkerTask([this, taskFn, completeFn, errorFn]() mutable {
+      try {
+        if constexpr (std::is_void_v<Result>) {
+          std::invoke(*taskFn);
+          enqueueMainThreadTask([completeFn]() mutable { std::invoke(*completeFn); });
+        } else {
+          auto result = std::make_shared<Storage>(std::invoke(*taskFn));
+          enqueueMainThreadTask([completeFn, result]() mutable {
+            std::invoke(*completeFn, std::move(*result));
+          });
+        }
+      } catch (...) {
+        auto error = std::make_shared<std::exception_ptr>(std::current_exception());
+        enqueueMainThreadTask([errorFn, error]() mutable { std::invoke(*errorFn, *error); });
+      }
+    });
+  }
+
+  void drainMainThreadTasks(uint32 maxTasks = 0);
+
+private:
+  TaskSystem() = default;
+  ~TaskSystem();
+
+  void enqueueWorkerTask(Function<void()> task);
+  void enqueueMainThreadTask(Function<void()> task);
+  size_t resolveWorkerCount(uint32 requestedCount) const;
+  static void logUnhandledTaskException(std::exception_ptr error);
+
+  TaskSystemConfig config_;
+  std::vector<std::thread> workers_;
+  std::queue<Function<void()>> workerTasks_;
+  std::queue<Function<void()>> mainThreadTasks_;
+
+  mutable std::mutex workerMutex_;
+  mutable std::mutex mainThreadMutex_;
+  std::condition_variable workerCondition_;
+
+  std::atomic<bool> initialized_ = false;
+  std::atomic<bool> acceptingTasks_ = false;
+  std::thread::id mainThreadId_;
+};
+
+} // namespace frostbite2D
diff --git a/Frostbite2D/include/frostbite2D/graphics/renderer.h b/Frostbite2D/include/frostbite2D/graphics/renderer.h
index a7f4751..75f40ba 100644
--- a/Frostbite2D/include/frostbite2D/graphics/renderer.h
+++ b/Frostbite2D/include/frostbite2D/graphics/renderer.h
@@ -37,6 +37,7 @@ public:
   void drawSprite(const Vec2& pos, const Size& size, Ptr<Texture> texture);
   void drawSprite(const Vec2& pos, const Rect& srcRect, const Vec2& texSize, 
                   Ptr<Texture> texture, const Color& color = Color(1, 1, 1, 1));
+  void setupBlendMode(BlendMode mode);
   
   ShaderManager& getShaderManager() { return shaderManager_; }
   Batch& getBatch() { return batch_; }
@@ -45,7 +46,6 @@ private:
   Renderer();
   // ~Renderer() 在 shutdown() 中手动调用销毁
   
-  void setupBlendMode(BlendMode mode);
   void updateUniforms();
   
   ShaderManager shaderManager_;
@@ -64,4 +64,4 @@ private:
   Renderer& operator=(const Renderer&) = delete;
 };
 
-}
\ No newline at end of file
+}
diff --git a/Frostbite2D/include/frostbite2D/graphics/types.h b/Frostbite2D/include/frostbite2D/graphics/types.h
index 8226651..322db79 100644
--- a/Frostbite2D/include/frostbite2D/graphics/types.h
+++ b/Frostbite2D/include/frostbite2D/graphics/types.h
@@ -11,6 +11,8 @@ enum class BlendMode {
   None,
   Normal,
   Additive,
+  Screen,
+  Premultiplied,
   Subtractive,
   Multiply
 };
@@ -77,4 +79,4 @@ struct Quad {
   }
 };
 
-}
\ No newline at end of file
+}
diff --git a/Frostbite2D/src/frostbite2D/2d/actor.cpp b/Frostbite2D/src/frostbite2D/2d/actor.cpp
index 4376dc7..952c296 100644
--- a/Frostbite2D/src/frostbite2D/2d/actor.cpp
+++ b/Frostbite2D/src/frostbite2D/2d/actor.cpp
@@ -78,6 +78,21 @@ void Actor::SetAnchor(float x, float y) {
   markTransformDirty();
 }
 
+Vec2 Actor::GetTopLeftPosition() const {
+  return Vec2(position_.x - anchor_.x * size_.x,
+              position_.y - anchor_.y * size_.y);
+}
+
+void Actor::SetTopLeftPosition(const Vec2& pos) {
+  position_ = Vec2(pos.x + anchor_.x * size_.x,
+                   pos.y + anchor_.y * size_.y);
+  markTransformDirty();
+}
+
+void Actor::SetTopLeftPosition(float x, float y) {
+  SetTopLeftPosition(Vec2(x, y));
+}
+
 const Transform2D& Actor::GetLocalTransform() const {
   if (transformDirty_) {
     updateLocalTransform();
@@ -126,7 +141,9 @@ Actor::~Actor() {
 }
 
 void Actor::Update(float deltaTime) {
+  executeUpdateListeners(UpdatePhase::BeforeChildren, deltaTime);
   UpdateChildren(deltaTime);
+  executeUpdateListeners(UpdatePhase::AfterChildren, deltaTime);
 }
 
 void Actor::Render() {
@@ -219,6 +236,46 @@ void Actor::RenderChildren() {
   }
 }
 
+uint32 Actor::AddUpdateListener(UpdateCallback callback, UpdatePhase phase) {
+  if (!callback) {
+    return 0;
+  }
+
+  UpdateListener listener;
+  listener.id = nextUpdateListenerId_++;
+  listener.phase = phase;
+  listener.callback = std::move(callback);
+  updateListeners_.push_back(std::move(listener));
+  return updateListeners_.back().id;
+}
+
+bool Actor::RemoveUpdateListener(uint32 listenerId) {
+  for (auto& listener : updateListeners_) {
+    if (listener.id == listenerId && listener.active) {
+      listener.active = false;
+      if (iteratingUpdateListeners_) {
+        updateListenersDirty_ = true;
+      } else {
+        compactUpdateListeners();
+      }
+      return true;
+    }
+  }
+  return false;
+}
+
+void Actor::ClearUpdateListeners() {
+  if (iteratingUpdateListeners_) {
+    for (auto& listener : updateListeners_) {
+      listener.active = false;
+    }
+    updateListenersDirty_ = true;
+    return;
+  }
+
+  updateListeners_.clear();
+}
+
 uint32 Actor::AddEventListener(EventType type, EventCallback callback) {
   EventListener listener;
   listener.id = nextListenerId_++;
@@ -242,6 +299,38 @@ void Actor::ClearEventListeners() {
   eventListeners_.clear();
 }
 
+void Actor::executeUpdateListeners(UpdatePhase phase, float deltaTime) {
+  if (updateListeners_.empty()) {
+    return;
+  }
+
+  iteratingUpdateListeners_ = true;
+  size_t listenerCount = updateListeners_.size();
+
+  for (size_t i = 0; i < listenerCount; ++i) {
+    auto& listener = updateListeners_[i];
+    if (!listener.active || listener.phase != phase || !listener.callback) {
+      continue;
+    }
+    listener.callback(*this, deltaTime);
+  }
+
+  iteratingUpdateListeners_ = false;
+  if (updateListenersDirty_) {
+    compactUpdateListeners();
+  }
+}
+
+void Actor::compactUpdateListeners() {
+  updateListeners_.erase(
+      std::remove_if(updateListeners_.begin(), updateListeners_.end(),
+                     [](const UpdateListener& listener) {
+                       return !listener.active;
+                     }),
+      updateListeners_.end());
+  updateListenersDirty_ = false;
+}
+
 bool Actor::OnEvent(const Event& event) {
   if (!eventReceiveEnabled_) {
     return false;
@@ -385,4 +474,3 @@ bool Actor::BubbleEvent(const Event& event) {
 }
 
 }
-
diff --git a/Frostbite2D/src/frostbite2D/core/application.cpp b/Frostbite2D/src/frostbite2D/core/application.cpp
index dc09c45..7028466 100644
--- a/Frostbite2D/src/frostbite2D/core/application.cpp
+++ b/Frostbite2D/src/frostbite2D/core/application.cpp
@@ -6,6 +6,7 @@
 #include <frostbite2D/audio/audio_system.h>
 #include <frostbite2D/base/object_registry.h>
 #include <frostbite2D/core/application.h>
+#include <frostbite2D/core/task_system.h>
 #include <frostbite2D/event/event.h>
 #include <frostbite2D/event/key_event.h>
 #include <frostbite2D/event/mouse_event.h>
@@ -70,6 +71,8 @@ void Application::shutdown() {
   running_ = false;
   shouldQuit_ = true;
 
+  TaskSystem::get().shutdown();
+
   // 单例销毁（反向初始化顺序）
   // 场景管理
   SceneManager::get().ClearAll();
@@ -177,6 +180,11 @@ bool Application::initCoreModules() {
   camera_->setFlipY(true); // 启用 Y 轴翻转，(0,0) 在左上角
   renderer_->setCamera(camera_);
 
+  if (!TaskSystem::get().init()) {
+    SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to initialize task system");
+    return false;
+  }
+
   return true;
 }
 
@@ -248,6 +256,8 @@ void Application::mainLoop() {
       }
     }
 
+    TaskSystem::get().drainMainThreadTasks();
+
     if (!paused_) {
       update();
     }
diff --git a/Frostbite2D/src/frostbite2D/core/task_system.cpp b/Frostbite2D/src/frostbite2D/core/task_system.cpp
new file mode 100644
index 0000000..27d5513
--- /dev/null
+++ b/Frostbite2D/src/frostbite2D/core/task_system.cpp
@@ -0,0 +1,207 @@
+#include <frostbite2D/core/task_system.h>
+
+#include <SDL2/SDL_log.h>
+#include <algorithm>
+#include <stdexcept>
+#include <utility>
+
+namespace frostbite2D {
+
+TaskSystem& TaskSystem::get() {
+  static TaskSystem instance;
+  return instance;
+}
+
+bool TaskSystem::init(const TaskSystemConfig& config) {
+  if (initialized_) {
+    return true;
+  }
+
+  try {
+    config_ = config;
+    if (config_.workerCount == 0) {
+      config_.workerCount = static_cast<uint32>(resolveWorkerCount(0));
+    }
+
+    {
+      std::lock_guard<std::mutex> workerLock(workerMutex_);
+      std::queue<Function<void()>> emptyWorkerTasks;
+      std::swap(workerTasks_, emptyWorkerTasks);
+    }
+
+    {
+      std::lock_guard<std::mutex> mainThreadLock(mainThreadMutex_);
+      std::queue<Function<void()>> emptyMainThreadTasks;
+      std::swap(mainThreadTasks_, emptyMainThreadTasks);
+    }
+
+    mainThreadId_ = std::this_thread::get_id();
+    acceptingTasks_ = true;
+
+    workers_.reserve(config_.workerCount);
+    for (uint32 i = 0; i < config_.workerCount; ++i) {
+      workers_.emplace_back([this]() {
+        while (true) {
+          Function<void()> task;
+
+          {
+            std::unique_lock<std::mutex> lock(workerMutex_);
+            workerCondition_.wait(lock, [this]() {
+              return !acceptingTasks_.load() || !workerTasks_.empty();
+            });
+
+            if (!acceptingTasks_.load() && workerTasks_.empty()) {
+              return;
+            }
+
+            task = std::move(workerTasks_.front());
+            workerTasks_.pop();
+          }
+
+          task();
+        }
+      });
+    }
+
+    initialized_ = true;
+    SDL_Log("TaskSystem initialized with %u worker threads", config_.workerCount);
+    return true;
+  } catch (const std::exception& ex) {
+    SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to initialize TaskSystem: %s", ex.what());
+    shutdown();
+    return false;
+  }
+}
+
+void TaskSystem::shutdown() {
+  if (!initialized_) {
+    return;
+  }
+
+  acceptingTasks_ = false;
+  workerCondition_.notify_all();
+
+  for (std::thread& worker : workers_) {
+    if (worker.joinable()) {
+      worker.join();
+    }
+  }
+  workers_.clear();
+
+  {
+    std::lock_guard<std::mutex> workerLock(workerMutex_);
+    std::queue<Function<void()>> emptyWorkerTasks;
+    std::swap(workerTasks_, emptyWorkerTasks);
+  }
+
+  {
+    std::lock_guard<std::mutex> mainThreadLock(mainThreadMutex_);
+    std::queue<Function<void()>> emptyMainThreadTasks;
+    std::swap(mainThreadTasks_, emptyMainThreadTasks);
+  }
+
+  initialized_ = false;
+  mainThreadId_ = std::thread::id();
+  SDL_Log("TaskSystem shutdown");
+}
+
+bool TaskSystem::isMainThread() const {
+  return initialized_ && std::this_thread::get_id() == mainThreadId_;
+}
+
+size_t TaskSystem::workerCount() const {
+  return workers_.size();
+}
+
+uint32 TaskSystem::maxMainThreadCallbacksPerFrame() const {
+  return config_.maxMainThreadCallbacksPerFrame;
+}
+
+void TaskSystem::drainMainThreadTasks(uint32 maxTasks) {
+  if (!initialized_) {
+    return;
+  }
+
+  uint32 taskBudget = maxTasks != 0 ? maxTasks : config_.maxMainThreadCallbacksPerFrame;
+  uint32 processed = 0;
+
+  while (true) {
+    Function<void()> task;
+
+    {
+      std::lock_guard<std::mutex> lock(mainThreadMutex_);
+      if (mainThreadTasks_.empty()) {
+        break;
+      }
+
+      if (taskBudget != 0 && processed >= taskBudget) {
+        break;
+      }
+
+      task = std::move(mainThreadTasks_.front());
+      mainThreadTasks_.pop();
+    }
+
+    task();
+    ++processed;
+  }
+}
+
+TaskSystem::~TaskSystem() {
+  shutdown();
+}
+
+void TaskSystem::enqueueWorkerTask(Function<void()> task) {
+  if (!acceptingTasks_) {
+    throw std::runtime_error("TaskSystem is not accepting new worker tasks");
+  }
+
+  {
+    std::lock_guard<std::mutex> lock(workerMutex_);
+    workerTasks_.push(std::move(task));
+  }
+
+  workerCondition_.notify_one();
+}
+
+void TaskSystem::enqueueMainThreadTask(Function<void()> task) {
+  if (!acceptingTasks_) {
+    return;
+  }
+
+  std::lock_guard<std::mutex> lock(mainThreadMutex_);
+  mainThreadTasks_.push(std::move(task));
+}
+
+size_t TaskSystem::resolveWorkerCount(uint32 requestedCount) const {
+  if (requestedCount > 0) {
+    return requestedCount;
+  }
+
+#ifdef __SWITCH__
+  return 1;
+#else
+  unsigned int hardwareCount = std::thread::hardware_concurrency();
+  if (hardwareCount <= 1) {
+    return 1;
+  }
+
+  return std::max(1u, std::min(hardwareCount - 1, 4u));
+#endif
+}
+
+void TaskSystem::logUnhandledTaskException(std::exception_ptr error) {
+  if (!error) {
+    return;
+  }
+
+  try {
+    std::rethrow_exception(error);
+  } catch (const std::exception& ex) {
+    SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "TaskSystem task failed: %s", ex.what());
+  } catch (...) {
+    SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "TaskSystem task failed with unknown exception");
+  }
+}
+
+} // namespace frostbite2D
diff --git a/Frostbite2D/src/frostbite2D/graphics/batch.cpp b/Frostbite2D/src/frostbite2D/graphics/batch.cpp
index 2a2212d..acbf1c8 100644
--- a/Frostbite2D/src/frostbite2D/graphics/batch.cpp
+++ b/Frostbite2D/src/frostbite2D/graphics/batch.cpp
@@ -1,6 +1,7 @@
 #include "SDL_log.h"
 #include <SDL2/SDL.h>
 #include <frostbite2D/graphics/batch.h>
+#include <frostbite2D/graphics/renderer.h>
 #include <glad/glad.h>
 
 namespace frostbite2D {
@@ -147,6 +148,10 @@ void Batch::flushCurrentBatch() {
     return;
   }
   
+  // Apply the batch's blend state right before drawing so per-sprite
+  // `SetBlendMode()` changes actually affect the GL pipeline.
+  Renderer::get().setupBlendMode(static_cast<BlendMode>(currentBatch_.key.blendMode));
+
   glBindVertexArray(vao_);
   
   // 绑定着色器和纹理
diff --git a/Frostbite2D/src/frostbite2D/graphics/renderer.cpp b/Frostbite2D/src/frostbite2D/graphics/renderer.cpp
index bbbcf13..9d22d95 100644
--- a/Frostbite2D/src/frostbite2D/graphics/renderer.cpp
+++ b/Frostbite2D/src/frostbite2D/graphics/renderer.cpp
@@ -103,23 +103,43 @@ void Renderer::setupBlendMode(BlendMode mode) {
   switch (mode) {
     case BlendMode::None:
       glDisable(GL_BLEND);
+      glBlendEquation(GL_FUNC_ADD);
       break;
     case BlendMode::Normal:
       glEnable(GL_BLEND);
-      glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+      glBlendEquation(GL_FUNC_ADD);
+      glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,
+                          GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
       break;
     case BlendMode::Additive:
       glEnable(GL_BLEND);
-      glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+      glBlendEquation(GL_FUNC_ADD);
+      glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE,
+                          GL_ONE, GL_ONE);
+      break;
+    case BlendMode::Screen:
+      glEnable(GL_BLEND);
+      glBlendEquation(GL_FUNC_ADD);
+      glBlendFuncSeparate(GL_ONE, GL_ONE_MINUS_SRC_COLOR,
+                          GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
+      break;
+    case BlendMode::Premultiplied:
+      glEnable(GL_BLEND);
+      glBlendEquation(GL_FUNC_ADD);
+      glBlendFuncSeparate(GL_ONE, GL_ONE_MINUS_SRC_ALPHA,
+                          GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
       break;
     case BlendMode::Subtractive:
       glEnable(GL_BLEND);
-      glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+      glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,
+                          GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
       glBlendEquation(GL_FUNC_REVERSE_SUBTRACT);
       break;
     case BlendMode::Multiply:
       glEnable(GL_BLEND);
-      glBlendFunc(GL_DST_COLOR, GL_ZERO);
+      glBlendEquation(GL_FUNC_ADD);
+      glBlendFuncSeparate(GL_DST_COLOR, GL_ONE_MINUS_SRC_ALPHA,
+                          GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
       break;
   }
 }
@@ -195,4 +215,4 @@ void Renderer::drawSprite(const Vec2& pos, const Rect& srcRect, const Vec2& texS
   batch_.submitQuad(quad, transform, texture, shader, BlendMode::Normal);
 }
 
-}
\ No newline at end of file
+}
diff --git a/Game/assets/ImagePacks2/Loading0.jpg b/Game/assets/ImagePacks2/Loading0.jpg
new file mode 100644
index 0000000..1dc7dff
Binary files /dev/null and b/Game/assets/ImagePacks2/Loading0.jpg differ
diff --git a/Game/assets/ImagePacks2/Loading1.png b/Game/assets/ImagePacks2/Loading1.png
new file mode 100644
index 0000000..62b5a24
Binary files /dev/null and b/Game/assets/ImagePacks2/Loading1.png differ
diff --git a/Game/assets/ImagePacks2/Loading2.png b/Game/assets/ImagePacks2/Loading2.png
new file mode 100644
index 0000000..a9b520b
Binary files /dev/null and b/Game/assets/ImagePacks2/Loading2.png differ
diff --git a/Game/include/Actor/GameTown.h b/Game/include/Actor/GameTown.h
new file mode 100644
index 0000000..83755bf
--- /dev/null
+++ b/Game/include/Actor/GameTown.h
@@ -0,0 +1,12 @@
+#pragma once
+#include <frostbite2D/2d/actor.h>
+
+namespace frostbite2D {
+class GameTown : public Actor {
+
+  
+public:
+  GameTown();
+  ~GameTown();
+};
+} // namespace frostbite2D
diff --git a/Game/include/Actor/GameWorld.h b/Game/include/Actor/GameWorld.h
new file mode 100644
index 0000000..a72d89d
--- /dev/null
+++ b/Game/include/Actor/GameWorld.h
@@ -0,0 +1,18 @@
+#pragma once
+#include <frostbite2D/scene/scene.h>
+#include <map>
+#include "GameTown.h"
+
+namespace frostbite2D {
+class GameWorld : public Scene {
+private:
+  /**城镇Map */
+  std::map<int, RefPtr<GameTown>> m_TownMap;
+
+
+public:
+  GameWorld();
+  ~GameWorld();
+};
+
+} // namespace frostbite2D
diff --git a/Game/src/main.cpp b/Game/src/main.cpp
index 3a37193..652c2ac 100644
--- a/Game/src/main.cpp
+++ b/Game/src/main.cpp
@@ -1,85 +1,119 @@
-#include "SDL_log.h"
-#include "frostbite2D/types/type_math.h"
+#include "SDL_log.h"
+#include "frostbite2D/2d/sprite.h"
+#include "frostbite2D/base/RefPtr.h"
 #include <SDL2/SDL.h>
-#include <frostbite2D/core/application.h>
-#include <frostbite2D/core/window.h>
-#include <frostbite2D/event/event.h>
-#include <frostbite2D/graphics/renderer.h>
-#include <frostbite2D/graphics/texture.h>
-#include <glad/glad.h>
-
-
-#include <frostbite2D/2d/sprite.h>
-#include <frostbite2D/scene/scene.h>
-#include <frostbite2D/scene/scene_manager.h>
-#include <frostbite2D/resource/binary_reader.h>
-#include <frostbite2D/resource/pvf_archive.h>
-#include <frostbite2D/resource/script_parser.h>
-
-#include <frostbite2D/audio/audio_system.h>
-#include <frostbite2D/audio/music.h>
-#include <frostbite2D/audio/sound.h>
-#include <frostbite2D/resource/npk_archive.h>
-
-#include <frostbite2D/resource/audio_database.h>
-#include <frostbite2D/resource/sound_pack_archive.h>
-
-#include <frostbite2D/animation/animation.h>
+#include <exception>
+#include <stdexcept>
+#include <string>
+#include <vector>
 
 #include <frostbite2D/2d/text_sprite.h>
+#include <frostbite2D/audio/audio_system.h>
+#include <frostbite2D/core/application.h>
+#include <frostbite2D/core/task_system.h>
 #include <frostbite2D/graphics/font_manager.h>
-
-#include <frostbite2D/script/squirrel_vm.h>
+#include <frostbite2D/resource/asset.h>
+#include <frostbite2D/resource/npk_archive.h>
+#include <frostbite2D/resource/pvf_archive.h>
+#include <frostbite2D/resource/sound_pack_archive.h>
+#include <frostbite2D/scene/scene.h>
+#include <frostbite2D/scene/scene_manager.h>
 
 using namespace frostbite2D;
 
 int main(int argc, char **argv) {
+  (void)argc;
+  (void)argv;
+
   AppConfig config = AppConfig::createDefault();
   config.appName = "Frostbite2D Test App";
   config.appVersion = "1.0.0";
   config.windowConfig.width = 1280;
   config.windowConfig.height = 720;
-  config.windowConfig.title = "Frostbite2D - Renderer Test";
+  config.windowConfig.title = "Frostbite2D - Async Init Demo";
 
-  Application& app = Application::get();
-
-  // 初始化应用
+  Application &app = Application::get();
   if (!app.init(config)) {
-    SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to initialize application!");
+    SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                 "Failed to initialize application!");
     return -1;
   }
 
   app.run([]() {
-    // 初始化PVF
-    auto &pvf = PvfArchive::get();
-    if (pvf.open("assets/Script.pvf")) {
-      pvf.init();
-      SDL_Log("PVF initialized successfully");
-    }
-
-    // 初始化NPK
-    auto &npk = NpkArchive::get();
-    npk.setImagePackDirectory("assets/ImagePacks2");
-    npk.setDefaultImg("sprite/interface/base.img", 0);
-    npk.init();
-
-    // 初始化SNPK
-    auto &archive = SoundPackArchive::get();
-    archive.setSoundPackDirectory("assets/SoundPacks");
-    archive.init();
-
-    // 初始化字体
     auto &fontManager = FontManager::get();
     fontManager.init();
     fontManager.registerFont("default", "assets/Fonts/VonwaonBitmap-12px.ttf",
                              12);
 
-    // 初始化音频系统
     auto &audioSystem = AudioSystem::get();
     audioSystem.init();
     audioSystem.setMasterVolume(1.0f);
     audioSystem.setSoundVolume(0.8f);
     audioSystem.setMusicVolume(0.6f);
+
+    SDL_Log("游戏启动");
+
+    auto LoadingScene = MakePtr<Scene>();
+    SceneManager::get().PushScene(LoadingScene);
+
+    auto Background = Sprite::createFromFile("assets/ImagePacks2/Loading0.jpg");
+    Background->SetSize(1280, 720);
+    LoadingScene->AddChild(Background);
+
+    auto BackgroundBar =
+        Sprite::createFromFile("assets/ImagePacks2/Loading1.png");
+    BackgroundBar->SetPosition(0, 686);
+    LoadingScene->AddChild(BackgroundBar);
+
+    auto LoadCircleSp =
+        Sprite::createFromFile("assets/ImagePacks2/Loading2.png");
+    LoadCircleSp->SetAnchor(Vec2(0.5f, 0.5f));
+    LoadCircleSp->SetPosition(1280 / 2.0f, 686 - 60);
+    LoadCircleSp->SetBlendMode(BlendMode::Additive);
+    LoadCircleSp->AddUpdateListener([](Actor &self, float dt) {
+      auto rotation = self.GetRotation();
+      self.SetRotation(rotation + 180.0f * dt);
+    });
+    LoadingScene->AddChild(LoadCircleSp);
+
+    TaskSystem::get().submitThen(
+        []() -> std::string {
+          SDL_Log("Async init task on main thread: %s",
+                  TaskSystem::get().isMainThread() ? "true" : "false");
+
+          auto &pvf = PvfArchive::get();
+          if (!pvf.open("assets/Script.pvf")) {
+            throw std::runtime_error("Failed to open assets/Script.pvf");
+          }
+          pvf.init();
+
+          auto &npk = NpkArchive::get();
+          npk.setImagePackDirectory("assets/ImagePacks2");
+          npk.setDefaultImg("sprite/interface/base.img", 0);
+          npk.init();
+
+          auto &archive = SoundPackArchive::get();
+          archive.setSoundPackDirectory("assets/SoundPacks");
+          archive.init();
+
+          return "后台资源加载成功";
+        },
+        [](std::string message) mutable {
+          SDL_Log("后台资源加载成功");
+
+          auto TestScene = MakePtr<Scene>();
+          SceneManager::get().PushScene(TestScene);
+        },
+        [](std::exception_ptr error) {
+          try {
+            if (error) {
+              std::rethrow_exception(error);
+            }
+          } catch (const std::exception &ex) {
+            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Async init failed: %s",
+                         ex.what());
+          }
+        });
   });
 
   SDL_Log("Application exited normally");