diff --git a/components/Characters/Rooster.tscn b/components/Characters/Rooster.tscn
index ca3d00f..fea4b49 100644
--- a/components/Characters/Rooster.tscn
+++ b/components/Characters/Rooster.tscn
@@ -2,7 +2,7 @@
 
 [ext_resource type="PackedScene" uid="uid://cvogxi7mktumf" path="res://components/Abstracts/EntityBase.tscn" id="1_e5pl8"]
 [ext_resource type="Script" uid="uid://cthtupc6dtbav" path="res://scripts/Contents/Characters/Rooster.gd" id="2_oqdqd"]
-[ext_resource type="PackedScene" uid="uid://dlaks67h2osms" path="res://components/Weapons/ChainGun.tscn" id="3_s7kxe"]
+[ext_resource type="PackedScene" uid="uid://c0n3igy4hucrg" path="res://components/Weapons/PurpleCrystal.tscn" id="3_s7kxe"]
 [ext_resource type="AudioStream" uid="uid://cdrevrq7n6yqa" path="res://resources/sounds/effect/Boing.mp3" id="4_66s6c"]
 [ext_resource type="AudioStream" uid="uid://benyec5bqni0b" path="res://resources/sounds/effect/Chomp.wav" id="4_k0yme"]
 [ext_resource type="AudioStream" uid="uid://dmxh3bpk8vyy5" path="res://resources/sounds/effect/Coin.mp3" id="5_xnbhq"]
@@ -54,7 +54,8 @@ metadata/_edit_vertical_guides_ = [71.0]
 [node name="weaponStore" parent="." index="1"]
 process_mode = 4
 
-[node name="ChainGun" parent="weaponStore" index="0" instance=ExtResource("3_s7kxe")]
+[node name="PurpleCrystal" parent="weaponStore" index="0" instance=ExtResource("3_s7kxe")]
+debugRebuild = false
 
 [node name="sprint" parent="sounds" index="0"]
 stream = ExtResource("4_66s6c")
diff --git a/scripts/Contents/Characters/Rooster.gd b/scripts/Contents/Characters/Rooster.gd
index 2d09656..d03f2fd 100644
--- a/scripts/Contents/Characters/Rooster.gd
+++ b/scripts/Contents/Characters/Rooster.gd
@@ -12,8 +12,7 @@ func register():
 				EffectController.create(ComponentManager.getEffect("BloodFall"), texture.global_position).shot()
 	)
 	if !WorldManager.isRelease():
-		fields[FieldStore.Entity.BULLET_SPLIT] = 2
-		fields[FieldStore.Entity.BULLET_REFRACTION] = 2
+		fields[FieldStore.Entity.BULLET_REFRACTION] = 3
 func ai():
 	texture.play("walk")
 	var direction = Vector2(
diff --git a/scripts/Statemachine/BulletBase.gd b/scripts/Statemachine/BulletBase.gd
index 39d62c0..1a5d0f9 100644
--- a/scripts/Statemachine/BulletBase.gd
+++ b/scripts/Statemachine/BulletBase.gd
@@ -152,19 +152,30 @@ func trySplit():
 			var cloned = duplicate() as BulletBase
 			cloned.rotation = deg_to_rad(360.0 / total * i)
 			cloned.isChildSplit = true
-			get_parent().add_child(split(cloned, i, total, last))
+			cloned.launcher = launcher
+			cloned.parent = parent
+			get_parent().add_child.call_deferred(split(cloned, i, total, last))
 func tryRefract():
 	if is_instance_valid(launcher) and !isChildRefract:
 		var value = launcher.fields.get(FieldStore.Entity.BULLET_REFRACTION)
 		var total = MathTool.shrimpRate(value)
 		var last = value - floor(value)
+		var aimed: Array[EntityBase] = []
 		for i in total:
-			var entity = EntityTool.findClosetEntity(position, get_tree(), !launcher.isPlayer(), launcher.isPlayer(), [launcher])
+			var entity = EntityTool.findClosetEntity(
+				position, get_tree(),
+				!launcher.isPlayer(),
+				launcher.isPlayer(),
+				[launcher] + aimed
+			)
 			if is_instance_valid(entity):
+				aimed.append(entity)
 				var cloned = duplicate() as BulletBase
 				cloned.look_at(entity.position)
 				cloned.isChildRefract = true
-				get_parent().add_child(refract(cloned, entity, i, total, last))
+				cloned.launcher = launcher
+				cloned.parent = parent
+				get_parent().add_child.call_deferred(refract(cloned, entity, i, total, last))
 
 # 抽象方法
 func firstFrame():
diff --git a/scripts/Tools/EntityTool.gd b/scripts/Tools/EntityTool.gd
index 5dd1c81..a02b6e8 100644
--- a/scripts/Tools/EntityTool.gd
+++ b/scripts/Tools/EntityTool.gd
@@ -8,7 +8,7 @@ static func fromHurtbox(node: Node) -> EntityBase:
 			if entity is EntityBase:
 				return entity as EntityBase
 	return null
-static func findClosetEntity(to: Vector2, fromTree: SceneTree, player: bool = false, mob: bool = false, excludes: Array[EntityBase] = [], allowSummon: bool = false) -> EntityBase:
+static func findClosetEntity(to: Vector2, fromTree: SceneTree, player: bool = false, mob: bool = false, excludes: Array = [], allowSummon: bool = false) -> EntityBase:
 	var result = null
 	var lastDistance = INF
 	var nodes = []