diff --git a/_Core/ProjectPaths.gd b/_Core/ProjectPaths.gd
index 7df5859..9f9afc1 100644
--- a/_Core/ProjectPaths.gd
+++ b/_Core/ProjectPaths.gd
@@ -16,6 +16,8 @@ class_name ProjectPaths
 const CORE_ROOT = "res://_Core/"
 const CORE_MANAGERS = CORE_ROOT + "managers/"
 const CORE_SYSTEMS = CORE_ROOT + "systems/"
+const CORE_COMPONENTS = CORE_ROOT + "components/"
+const CORE_UTILS = CORE_ROOT + "utils/"
 
 # ============================================================================
 # 场景路径
diff --git a/docs/01-项目入门/项目结构说明.md b/docs/01-项目入门/项目结构说明.md
index d983abc..0ee5a43 100644
--- a/docs/01-项目入门/项目结构说明.md
+++ b/docs/01-项目入门/项目结构说明.md
@@ -82,6 +82,8 @@ EventSystem.emit_event("player_moved", {"position": Vector2(100, 200)})
 
 ```
 scenes/
+├── MainScene.tscn              # 🎯 主入口场景 - 所有图像显示的入口文件
+├── MainScene.gd                # 主场景控制器脚本
 ├── maps/                       # 地图场景
 │   ├── main_world.tscn         # 主世界地图
 │   ├── dungeon_01.tscn         # 地牢场景
diff --git a/tests/unit/test_toast_manager.gd.uid b/tests/unit/test_toast_manager.gd.uid
new file mode 100644
index 0000000..c78bc1e
--- /dev/null
+++ b/tests/unit/test_toast_manager.gd.uid
@@ -0,0 +1 @@
+uid://cfcsbf2237mm2