diff --git a/Extra2D/include/extra2d/extra2d.h b/Extra2D/include/extra2d/extra2d.h
index 9b7b7c9..047fba1 100644
--- a/Extra2D/include/extra2d/extra2d.h
+++ b/Extra2D/include/extra2d/extra2d.h
@@ -6,32 +6,34 @@
 // Core
 #include <extra2d/core/color.h>
 #include <extra2d/core/math_types.h>
-#include <extra2d/core/types.h>
 #include <extra2d/core/module.h>
 #include <extra2d/core/registry.h>
+#include <extra2d/core/types.h>
+
 
 // Config removed - app info now in Application class
 
 // Platform
 #include <extra2d/platform/iinput.h>
+#include <extra2d/platform/input_module.h>
 #include <extra2d/platform/iwindow.h>
 #include <extra2d/platform/keys.h>
-#include <extra2d/platform/input_module.h>
-#include <extra2d/platform/backend_factory.h>
 #include <extra2d/platform/window_module.h>
 
+
 // Graphics
 #include <extra2d/graphics/camera/camera.h>
-#include <extra2d/graphics/texture/font.h>
+#include <extra2d/graphics/camera/viewport_adapter.h>
 #include <extra2d/graphics/core/render_backend.h>
 #include <extra2d/graphics/core/render_module.h>
-#include <extra2d/graphics/shader/shader_manager.h>
-#include <extra2d/graphics/texture/texture.h>
 #include <extra2d/graphics/core/render_target.h>
-#include <extra2d/graphics/camera/viewport_adapter.h>
 #include <extra2d/graphics/memory/vram_manager.h>
+#include <extra2d/graphics/shader/shader_manager.h>
+#include <extra2d/graphics/texture/font.h>
+#include <extra2d/graphics/texture/texture.h>
 #include <extra2d/graphics/texture/texture_pool.h>
 
+
 // Scene
 #include <extra2d/scene/node.h>
 #include <extra2d/scene/scene.h>
@@ -49,11 +51,12 @@
 #include <extra2d/utils/timer.h>
 
 // Services
+#include <extra2d/services/camera_service.h>
 #include <extra2d/services/event_service.h>
+#include <extra2d/services/logger_service.h>
 #include <extra2d/services/scene_service.h>
 #include <extra2d/services/timer_service.h>
-#include <extra2d/services/camera_service.h>
-#include <extra2d/services/logger_service.h>
+
 
 // Application
 #include <extra2d/app/application.h>
diff --git a/examples/text_rendering/main.cpp b/examples/text_rendering/main.cpp
index c3017d5..17cb764 100644
--- a/examples/text_rendering/main.cpp
+++ b/examples/text_rendering/main.cpp
@@ -112,7 +112,6 @@ int main(int argc, char *argv[]) {
     cfg.h = 720;
     cfg.title = "Extra2D 文字显示示例";
     cfg.priority = 0;
-    cfg.backend = "sdl2";
   });
 
   app.use<RenderModule>([](auto &cfg) { cfg.priority = 10; });