diff --git a/_game/LevelDemonstration.tscn b/_game/LevelDemonstration.tscn
index ede40d8..ec4c6e4 100644
--- a/_game/LevelDemonstration.tscn
+++ b/_game/LevelDemonstration.tscn
@@ -51,32 +51,32 @@ tile_map_data = PackedByteArray("AAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAIAAAAAAAA
 auto_controlled_avatar = NodePath("../Avatar")
 
 [node name="Avatar" parent="." instance=ExtResource("3_6jw57")]
-position = Vector2(218, 251)
+position = Vector2(606, 108)
 collision_mask = 4
 
 [node name="EventTriggerDoor" parent="." instance=ExtResource("4_p0ota")]
 position = Vector2(342, 176)
 
-[node name="PropComponent" type="Node" parent="EventTriggerDoor"]
+[node name="[Prop_0001]" type="Node" parent="EventTriggerDoor"]
 script = ExtResource("5_gslp7")
 prop_id = 1
 metadata/_custom_type_script = "uid://b4menkyub4ce7"
 
-[node name="States" type="Node" parent="EventTriggerDoor/PropComponent"]
+[node name="States" type="Node" parent="EventTriggerDoor/[Prop_0001]"]
 
-[node name="Close" type="Node" parent="EventTriggerDoor/PropComponent/States"]
+[node name="Close" type="Node" parent="EventTriggerDoor/[Prop_0001]/States"]
 script = ExtResource("6_6jw57")
 state_id = 0
 effects = Array[ExtResource("7_2t6pm")]([SubResource("Resource_2t6pm")])
 metadata/_custom_type_script = "uid://7lml6d1t5xtq"
 
-[node name="Open" type="Node" parent="EventTriggerDoor/PropComponent/States"]
+[node name="Open" type="Node" parent="EventTriggerDoor/[Prop_0001]/States"]
 script = ExtResource("6_6jw57")
 state_id = 1
 effects = Array[ExtResource("7_2t6pm")]([SubResource("Resource_g37lb")])
 metadata/_custom_type_script = "uid://7lml6d1t5xtq"
 
-[node name="FromClose" type="Node" parent="EventTriggerDoor/PropComponent/States/Open"]
+[node name="FromClose" type="Node" parent="EventTriggerDoor/[Prop_0001]/States/Open"]
 script = ExtResource("8_xkd7q")
 from_state_id = 0
 effects = Array[ExtResource("7_2t6pm")]([SubResource("Resource_xkd7q")])
@@ -87,15 +87,15 @@ script = ExtResource("9_ady2r")
 tween_resource = SubResource("Resource_xja44")
 metadata/_custom_type_script = "uid://bhexx6mj1xv3q"
 
-[node name="PropComponent" type="Node" parent="PhantomCamera2D"]
+[node name="[Prop_0000]" type="Node" parent="PhantomCamera2D"]
 script = ExtResource("5_gslp7")
 prop_id = 0
 metadata/_custom_type_script = "uid://b4menkyub4ce7"
 
-[node name="States" type="Node" parent="PhantomCamera2D/PropComponent"]
+[node name="States" type="Node" parent="PhantomCamera2D/[Prop_0000]"]
 script = ExtResource("11_m16wo")
 
-[node name="[ID_0] Default" type="Node" parent="PhantomCamera2D/PropComponent/States"]
+[node name="[ID_0] Default" type="Node" parent="PhantomCamera2D/[Prop_0000]/States"]
 script = ExtResource("6_6jw57")
 state_id = 0
 
@@ -112,3 +112,45 @@ script = ExtResource("12_xja44")
 
 [node name="Props" type="Node2D" parent="ReedScene"]
 script = ExtResource("14_3ihdv")
+
+[node name="EventTriggerDoor" parent="ReedScene/Props" instance=ExtResource("4_p0ota")]
+position = Vector2(832, 64)
+
+[node name="[Prop_0000]" type="Node" parent="ReedScene/Props/EventTriggerDoor"]
+script = ExtResource("5_gslp7")
+prop_id = 0
+
+[node name="States" type="Node" parent="ReedScene/Props/EventTriggerDoor/[Prop_0000]"]
+script = ExtResource("11_m16wo")
+
+[node name="[ID_0] Default" type="Node" parent="ReedScene/Props/EventTriggerDoor/[Prop_0000]/States"]
+script = ExtResource("6_6jw57")
+state_id = 0
+
+[node name="EventTriggerDoor2" parent="ReedScene/Props" instance=ExtResource("4_p0ota")]
+position = Vector2(723, 64)
+
+[node name="[Prop_0001]" type="Node" parent="ReedScene/Props/EventTriggerDoor2"]
+script = ExtResource("5_gslp7")
+prop_id = 1
+
+[node name="States" type="Node" parent="ReedScene/Props/EventTriggerDoor2/[Prop_0001]"]
+script = ExtResource("11_m16wo")
+
+[node name="[ID_0] Default" type="Node" parent="ReedScene/Props/EventTriggerDoor2/[Prop_0001]/States"]
+script = ExtResource("6_6jw57")
+state_id = 0
+
+[node name="EventTriggerDoor3" parent="ReedScene/Props" instance=ExtResource("4_p0ota")]
+position = Vector2(458, 63)
+
+[node name="[Prop_0002]" type="Node" parent="ReedScene/Props/EventTriggerDoor3"]
+script = ExtResource("5_gslp7")
+prop_id = 2
+
+[node name="States" type="Node" parent="ReedScene/Props/EventTriggerDoor3/[Prop_0002]"]
+script = ExtResource("11_m16wo")
+
+[node name="[ID_0] Default" type="Node" parent="ReedScene/Props/EventTriggerDoor3/[Prop_0002]/States"]
+script = ExtResource("6_6jw57")
+state_id = 0
diff --git a/addons/reedscene/act/ActManager.gd b/addons/reedscene/act/ActManager.gd
index fd9b8ab..661753a 100644
--- a/addons/reedscene/act/ActManager.gd
+++ b/addons/reedscene/act/ActManager.gd
@@ -12,6 +12,8 @@ var _gen_default_act: Callable = Callable(self, "_editor_generate_default_act")
 ##是否要输出报错信息
 @export var debug_log: bool = false
 
+signal act_changed(from_act_id: int, to_act_id: int)
+
 ##用来扫描prop
 func _scan_scene_for_props(scene_root: Node) -> Dictionary:
 	var result := {}
@@ -76,7 +78,7 @@ func _editor_generate_default_act() -> void:
 
 		var pid := prop_comp.prop_id
 		var init_state := prop_comp.initial_state_id
-		act.prop_state_map[pid] = init_state
+		act.prop_state_map[pid].state_id = init_state
 		count += 1
 
 	prop_state_map[0] = act
diff --git a/addons/reedscene/scene/ReedScene.gd b/addons/reedscene/scene/ReedScene.gd
index 0a456d1..a2fcdb1 100644
--- a/addons/reedscene/scene/ReedScene.gd
+++ b/addons/reedscene/scene/ReedScene.gd
@@ -56,7 +56,6 @@ const SCENE_MANAGER_NAME := "SceneManager"
 ## ==============================
 ## Internal State
 ## ==============================
-
 var _act_manager: ActManager
 var _props_root: Node
 var _prop_map: Dictionary = {}   # prop_id -> PropComponent
@@ -126,11 +125,10 @@ func _find_prop_component(prop: Node) -> PropComponent:
 func _bind_act_events() -> void:
 	if _act_manager == null:
 		return
-
 	_act_manager.act_changed.connect(_on_act_changed)
 
 
-func _on_act_changed(from_act: StringName, to_act: StringName) -> void:
+func _on_act_changed(from_act: int, to_act: int) -> void:
 	if debug_log:
 		print("[ReedScene] Act changed:", from_act, "->", to_act)
 
@@ -153,7 +151,6 @@ func _editor_ensure_node(name: String, type: Variant) -> Node:
 	node.name = name
 	add_child(node)
 
-	# ⚠️ 关键：让节点成为 Scene 的一部分
 	node.owner = get_tree().edited_scene_root
 
 	if debug_log:
diff --git a/update.md b/update.md
index 537fd1b..6fe9e25 100644
--- a/update.md
+++ b/update.md
@@ -32,6 +32,10 @@ v0.2.3
 - 基础的关卡编辑器，主要明确了几个概念：Prop Scene，Act，目前已经有了一个基础的展示功能性质的Demo
 - 分离了Player和控制器，现在Player是Avatar，控制器是PlayerController，控制器向玩家发送指令，玩家接收指令以驱动功能。
 
+v0.2.4
+
+- 鈎爪的基礎版本，包含了鈎爪類，鈎爪管理類，鈎爪錨點類等，鈎爪的移動方式是在LocoComp裏添加了一個額外的移動模式。
+
 ## 更新计划
 
 V0.1
@@ -99,8 +103,18 @@ V0.3
   - [ ] 可以通過signal播放不同的相機震動
   - [ ] 可以播放一個隨機的SFX Asset
   - [ ] 不同的SFX預設
+- [ ] GlobalCameraManger
+  - [ ] 全局的相機管理器，可以用來切換相機在不同的幾個預設之間切換
+    - [ ] 敘事性相機
+    - [ ] 跟隨玩家的運動性相機
+
 
 V0.4
 主要是拓展基于项目的特殊需求，包括：
 
 - [ ] 钩爪功能基本实现
+  - [x] 飛向目標點
+  - [x] 如果目標點移動，會持續跟隨
+  - [ ] 細化手感參數
+  - [ ] 在鈎爪飛到一半的時候可以取消鈎爪
+  - [x] 鈎爪的長度可變