diff --git a/Frostbite2D/include/frostbite2D/2d/actor.h b/Frostbite2D/include/frostbite2D/2d/actor.h
index d2dd705..b6ac4d8 100644
--- a/Frostbite2D/include/frostbite2D/2d/actor.h
+++ b/Frostbite2D/include/frostbite2D/2d/actor.h
@@ -3,6 +3,7 @@
 #include <frostbite2D/base/RefObject.h>
 #include <frostbite2D/types/type_alias.h>
 #include <frostbite2D/types/type_math.h>
+#include <frostbite2D/types/uuid.h>
 #include <frostbite2D/utils/intrusive_list.hpp>
 #include <frostbite2D/event/event.h>
 #include <frostbite2D/event/key_event.h>
@@ -43,6 +44,9 @@ public:
   const std::string& GetName() const { return name_; }
   void SetName(const std::string& name) { name_ = name; }
 
+  const UUID& GetUUID() const { return uuid_; }
+  std::string GetUUIDString() const { return uuid_.toString(); }
+
   const Vec2& GetPosition() const { return position_; }
   void SetPosition(const Vec2& pos);
   void SetPosition(float x, float y);
@@ -129,6 +133,7 @@ private:
   Scene* scene_;
   ActorList children_;
 
+  UUID uuid_;
   std::string name_;
   Vec2 position_;
   float rotation_;
diff --git a/Frostbite2D/include/frostbite2D/base/object_registry.h b/Frostbite2D/include/frostbite2D/base/object_registry.h
new file mode 100644
index 0000000..a721bd7
--- /dev/null
+++ b/Frostbite2D/include/frostbite2D/base/object_registry.h
@@ -0,0 +1,37 @@
+#pragma once
+
+#include <frostbite2D/types/type_alias.h>
+#include <memory>
+#include <map>
+
+namespace frostbite2D {
+
+class Actor;
+class UUID;
+
+class ObjectRegistry {
+public:
+  static ObjectRegistry& get();
+
+  ObjectRegistry(const ObjectRegistry&) = delete;
+  ObjectRegistry& operator=(const ObjectRegistry&) = delete;
+
+  void registerObject(const UUID& uuid, Actor* actor);
+  void unregisterObject(const UUID& uuid);
+
+  Actor* getObject(const UUID& uuid);
+  Actor* getObject(const std::string& uuidStr);
+
+  bool hasObject(const UUID& uuid) const;
+  bool hasObject(const std::string& uuidStr) const;
+
+  void clear();
+
+private:
+  ObjectRegistry() = default;
+  ~ObjectRegistry() = default;
+
+  std::map<std::string, Actor*> registry_;
+};
+
+} // namespace frostbite2D
diff --git a/Frostbite2D/include/frostbite2D/types/uuid.h b/Frostbite2D/include/frostbite2D/types/uuid.h
new file mode 100644
index 0000000..0f031cd
--- /dev/null
+++ b/Frostbite2D/include/frostbite2D/types/uuid.h
@@ -0,0 +1,36 @@
+#pragma once
+
+#include <array>
+#include <cstdint>
+#include <cstdlib>
+#include <string>
+
+namespace frostbite2D {
+
+class UUID {
+public:
+  static UUID generate();
+  static UUID fromString(const std::string& str);
+  std::string toString() const;
+
+  UUID() = default;
+
+  bool operator==(const UUID& other) const { return data_ == other.data_; }
+  bool operator!=(const UUID& other) const { return data_ != other.data_; }
+
+  bool isValid() const {
+    for (auto byte : data_) {
+      if (byte != 0) return true;
+    }
+    return false;
+  }
+
+  const std::array<uint8_t, 16>& data() const { return data_; }
+
+private:
+  explicit UUID(const std::array<uint8_t, 16>& data) : data_(data) {}
+
+  std::array<uint8_t, 16> data_{};
+};
+
+} // namespace frostbite2D
diff --git a/Frostbite2D/src/frostbite2D/2d/actor.cpp b/Frostbite2D/src/frostbite2D/2d/actor.cpp
index 6ca7e37..4376dc7 100644
--- a/Frostbite2D/src/frostbite2D/2d/actor.cpp
+++ b/Frostbite2D/src/frostbite2D/2d/actor.cpp
@@ -1,4 +1,5 @@
 #include <frostbite2D/2d/actor.h>
+#include <frostbite2D/base/object_registry.h>
 #include <frostbite2D/event/key_event.h>
 #include <frostbite2D/event/mouse_event.h>
 #include <frostbite2D/event/touch_event.h>
@@ -16,6 +17,8 @@ Actor::Actor()
   , zOrder_(0)
   , opacity_(1.0f)
   , anchor_(Vec2(0.0f, 0.0f)) {
+  uuid_ = UUID::generate();
+  ObjectRegistry::get().registerObject(uuid_, this);
 }
 
 void Actor::SetOpacity(float opacity) {
@@ -118,6 +121,7 @@ void Actor::updateWorldTransform() const {
 }
 
 Actor::~Actor() {
+  ObjectRegistry::get().unregisterObject(uuid_);
   RemoveAllChildren();
 }
 
diff --git a/Frostbite2D/src/frostbite2D/base/object_registry.cpp b/Frostbite2D/src/frostbite2D/base/object_registry.cpp
new file mode 100644
index 0000000..192bca0
--- /dev/null
+++ b/Frostbite2D/src/frostbite2D/base/object_registry.cpp
@@ -0,0 +1,44 @@
+#include <frostbite2D/base/object_registry.h>
+#include <frostbite2D/2d/actor.h>
+#include <frostbite2D/types/uuid.h>
+
+namespace frostbite2D {
+
+ObjectRegistry& ObjectRegistry::get() {
+  static ObjectRegistry instance;
+  return instance;
+}
+
+void ObjectRegistry::registerObject(const UUID& uuid, Actor* actor) {
+  registry_[uuid.toString()] = actor;
+}
+
+void ObjectRegistry::unregisterObject(const UUID& uuid) {
+  registry_.erase(uuid.toString());
+}
+
+Actor* ObjectRegistry::getObject(const UUID& uuid) {
+  return getObject(uuid.toString());
+}
+
+Actor* ObjectRegistry::getObject(const std::string& uuidStr) {
+  auto it = registry_.find(uuidStr);
+  if (it != registry_.end()) {
+    return it->second;
+  }
+  return nullptr;
+}
+
+bool ObjectRegistry::hasObject(const UUID& uuid) const {
+  return hasObject(uuid.toString());
+}
+
+bool ObjectRegistry::hasObject(const std::string& uuidStr) const {
+  return registry_.find(uuidStr) != registry_.end();
+}
+
+void ObjectRegistry::clear() {
+  registry_.clear();
+}
+
+} // namespace frostbite2D
diff --git a/Frostbite2D/src/frostbite2D/core/application.cpp b/Frostbite2D/src/frostbite2D/core/application.cpp
index cdbce4b..6a9a96e 100644
--- a/Frostbite2D/src/frostbite2D/core/application.cpp
+++ b/Frostbite2D/src/frostbite2D/core/application.cpp
@@ -4,6 +4,7 @@
 #include <cstdio>
 #include <memory>
 #include <frostbite2D/audio/audio_system.h>
+#include <frostbite2D/base/object_registry.h>
 #include <frostbite2D/core/application.h>
 #include <frostbite2D/event/event.h>
 #include <frostbite2D/event/key_event.h>
@@ -102,6 +103,8 @@ void Application::shutdown() {
     sdlQuitCalled = true;
   }
 
+  ObjectRegistry::get().clear();
+
   initialized_ = false;
   running_ = false;
 }
@@ -155,12 +158,11 @@ bool Application::initCoreModules() {
 
   // 设置窗口清除颜色和视口
   renderer_->setClearColor(0.0f, 0.0f, 0.0f);
-  renderer_->setViewport(0, 0, config_.windowConfig.width,
-                         config_.windowConfig.height);
+  renderer_->setViewport(0, 0, window_->width(), window_->height());
 
   // 创建并设置相机
   camera_ = new Camera();
-  camera_->setViewport(config_.windowConfig.width, config_.windowConfig.height);
+  camera_->setViewport(window_->width(), window_->height());
   camera_->setFlipY(true); // 启用 Y 轴翻转，(0,0) 在左上角
   renderer_->setCamera(camera_);
 
diff --git a/Frostbite2D/src/frostbite2D/types/uuid.cpp b/Frostbite2D/src/frostbite2D/types/uuid.cpp
new file mode 100644
index 0000000..08816b1
--- /dev/null
+++ b/Frostbite2D/src/frostbite2D/types/uuid.cpp
@@ -0,0 +1,67 @@
+#include <frostbite2D/types/uuid.h>
+#include <cstdio>
+#include <sstream>
+#include <iomanip>
+
+namespace frostbite2D {
+
+UUID UUID::generate() {
+  std::array<uint8_t, 16> data;
+  for (int i = 0; i < 16; ++i) {
+    data[i] = static_cast<uint8_t>(rand() % 256);
+  }
+
+  data[6] = (data[6] & 0x0F) | 0x40;
+  data[8] = (data[8] & 0x3F) | 0x80;
+
+  return UUID(data);
+}
+
+UUID UUID::fromString(const std::string& str) {
+  if (str.length() != 36) {
+    return UUID{};
+  }
+
+  std::array<uint8_t, 16> data{};
+  std::stringstream ss(str);
+  char dash;
+  for (int i = 0; i < 16; ++i) {
+    int byte;
+    ss >> std::hex >> byte;
+    data[i] = static_cast<uint8_t>(byte);
+    if (i < 15) {
+      ss >> dash;
+    }
+  }
+
+  return UUID(data);
+}
+
+std::string UUID::toString() const {
+  const auto& data = data_;
+  std::stringstream ss;
+  ss << std::hex << std::setfill('0')
+     << std::setw(2) << static_cast<int>(data[0])
+     << std::setw(2) << static_cast<int>(data[1])
+     << std::setw(2) << static_cast<int>(data[2])
+     << std::setw(2) << static_cast<int>(data[3])
+     << '-'
+     << std::setw(2) << static_cast<int>(data[4])
+     << std::setw(2) << static_cast<int>(data[5])
+     << '-'
+     << std::setw(2) << static_cast<int>(data[6])
+     << std::setw(2) << static_cast<int>(data[7])
+     << '-'
+     << std::setw(2) << static_cast<int>(data[8])
+     << std::setw(2) << static_cast<int>(data[9])
+     << '-'
+     << std::setw(2) << static_cast<int>(data[10])
+     << std::setw(2) << static_cast<int>(data[11])
+     << std::setw(2) << static_cast<int>(data[12])
+     << std::setw(2) << static_cast<int>(data[13])
+     << std::setw(2) << static_cast<int>(data[14])
+     << std::setw(2) << static_cast<int>(data[15]);
+  return ss.str();
+}
+
+} // namespace frostbite2D
diff --git a/Game/src/main.cpp b/Game/src/main.cpp
index c98e99c..97df0f0 100644
--- a/Game/src/main.cpp
+++ b/Game/src/main.cpp
@@ -32,8 +32,8 @@ int main(int argc, char **argv) {
   AppConfig config = AppConfig::createDefault();
   config.appName = "Frostbite2D Test App";
   config.appVersion = "1.0.0";
-  config.windowConfig.width = 1920;
-  config.windowConfig.height = 1080;
+  config.windowConfig.width = 1280;
+  config.windowConfig.height = 720;
   config.windowConfig.title = "Frostbite2D - Renderer Test";
 
   Application& app = Application::get();
@@ -66,6 +66,10 @@ int main(int argc, char **argv) {
     SDL_Log("Animation created successfully");
     // ani->SetAnchor(Vec2(0.5f, 0.5f));
     ani->SetPosition(640, 360);
+
+    auto uuid = ani->GetUUIDString();
+    SDL_Log("Animation UUID: %s", uuid.c_str());
+
     menuScene->AddChild(ani);
   }