diff --git a/components/Scenes/World.tscn b/components/Scenes/World.tscn
index 5581788..63b7e64 100644
--- a/components/Scenes/World.tscn
+++ b/components/Scenes/World.tscn
@@ -1,13 +1,13 @@
 [gd_scene load_steps=5 format=3 uid="uid://dmxi1ikn6avig"]
 
-[ext_resource type="Script" path="res://scripts/Tools/WorldTool.gd" id="1_t2xvy"]
+[ext_resource type="Script" path="res://scripts/Tools/WorldManager.gd" id="1_lxsxj"]
 [ext_resource type="PackedScene" uid="uid://dfwg750a47ggx" path="res://components/Scenes/UI.tscn" id="2_04cdd"]
 [ext_resource type="PackedScene" uid="uid://bm7ymrri6pykb" path="res://components/Characters/Rooster.tscn" id="3_5ui6q"]
 [ext_resource type="Texture2D" uid="uid://ckk8kahhof06u" path="res://resources/maps/Castle 2.png" id="6_p0nkj"]
 
 [node name="world" type="Node2D"]
 y_sort_enabled = true
-script = ExtResource("1_t2xvy")
+script = ExtResource("1_lxsxj")
 
 [node name="UI" parent="." instance=ExtResource("2_04cdd")]
 
diff --git a/scripts/Contents/Characters/Rooster.gd b/scripts/Contents/Characters/Rooster.gd
index a9b0bde..1c811ef 100644
--- a/scripts/Contents/Characters/Rooster.gd
+++ b/scripts/Contents/Characters/Rooster.gd
@@ -2,7 +2,6 @@ extends EntityBase
 class_name Rooster
 
 func _ready():
-	fields[FieldStore.Entity.MAX_HEALTH] = 500
 	super._ready()
 
 func ai():
diff --git a/scripts/Contents/Wave.gd b/scripts/Contents/Wave.gd
index 8bcb195..90c30eb 100644
--- a/scripts/Contents/Wave.gd
+++ b/scripts/Contents/Wave.gd
@@ -12,7 +12,8 @@ static var current: int = 0
 static var countBoost: float = 0.1 # 每波增加的敌人数量百分比，指数级
 static var data: Array[Wave] = [
 	# entity, minCount, maxCount, isBoss, from, to, per
-	create(preload("res://components/Characters/Hen.tscn"), 1, 5, false, 0, INF, 1)
+	create(preload("res://components/Characters/Hen.tscn"), 1, 5, false, 0, INF, 1),
+	create(preload("res://components/Characters/Chick.tscn"), 0, 0, true, 1, INF, 2)
 ]
 
 static func create(
@@ -35,8 +36,10 @@ static func create(
 	return wave
 static func entityCountOf(wave: Wave) -> int:
 	if wave.from <= current and wave.to >= current and int(current - wave.from) % wave.per == 0:
-		print("abc")
-		return randi_range(int(wave.minCount), int(wave.maxCount * ((1 + countBoost) ** current)))
+		if wave.isBoss:
+			return 1
+		else:
+			return randi_range(int(wave.minCount), int(wave.maxCount * ((1 + countBoost) ** current)))
 	return 0
 static func spawn():
 	for i in range(len(data)):
diff --git a/scripts/Statemachine/EntityBase.gd b/scripts/Statemachine/EntityBase.gd
index 61851e5..fc2683f 100644
--- a/scripts/Statemachine/EntityBase.gd
+++ b/scripts/Statemachine/EntityBase.gd
@@ -139,3 +139,5 @@ static func generate(
 	if addToWorld:
 		WorldManager.rootNode.add_child(instance)
 	return instance
+static func mobCount():
+	return len(WorldManager.tree.get_nodes_in_group("mobs"))
diff --git a/scripts/Tools/WorldTool.gd b/scripts/Tools/WorldManager.gd
similarity index 65%
rename from scripts/Tools/WorldTool.gd
rename to scripts/Tools/WorldManager.gd
index 42ae300..5c9d81e 100644
--- a/scripts/Tools/WorldTool.gd
+++ b/scripts/Tools/WorldManager.gd
@@ -7,4 +7,6 @@ static var tree: SceneTree
 func _ready():
 	tree = get_tree()
 	rootNode = self
-	Wave.next()
+func _physics_process(_delta):
+	if EntityBase.mobCount() == 0:
+		Wave.next()