diff --git a/scripts/Contents/Bullets/BigLaser.gd b/scripts/Contents/Bullets/BigLaser.gd
index 5e4c278..db01f26 100644
--- a/scripts/Contents/Bullets/BigLaser.gd
+++ b/scripts/Contents/Bullets/BigLaser.gd
@@ -3,9 +3,6 @@ class_name BigLaser
 
 var dotTime: float = 100
 
-func register():
-	speed = 0
-	penerate = 1
 func spawn():
 	CameraManager.shake(5000, 100) # 激光会运行5秒（5000毫秒），期间震屏超高强度
 	CameraManager.playAnimation("bigLaser")
diff --git a/scripts/Contents/Bullets/BossAttack/Bear/ArrowSeven.gd b/scripts/Contents/Bullets/BossAttack/Bear/ArrowSeven.gd
index f7043a3..5ca22cc 100644
--- a/scripts/Contents/Bullets/BossAttack/Bear/ArrowSeven.gd
+++ b/scripts/Contents/Bullets/BossAttack/Bear/ArrowSeven.gd
@@ -11,9 +11,6 @@ var traceTime: float = 2000
 var forwardTime: float = 500
 var forwarded: bool = false
 
-func register():
-	speed = 1
-	baseDamage = 1
 func spawn():
 	myColor = allColor.gradient.sample(randf())
 	superlight.material = superlight.material.duplicate()
diff --git a/scripts/Contents/Bullets/BossAttack/Bear/ForeverRainbow.gd b/scripts/Contents/Bullets/BossAttack/Bear/ForeverRainbow.gd
index 06b5dab..66f7220 100644
--- a/scripts/Contents/Bullets/BossAttack/Bear/ForeverRainbow.gd
+++ b/scripts/Contents/Bullets/BossAttack/Bear/ForeverRainbow.gd
@@ -4,9 +4,6 @@ extends BulletBase
 
 var myColor: Color
 
-func register():
-	baseDamage = 1
-	penerate = 1
 func spawn():
 	myColor = allColor.gradient.sample(randf())
 	setColor(myColor)
diff --git a/scripts/Contents/Bullets/BossAttack/Bear/LightGun.gd b/scripts/Contents/Bullets/BossAttack/Bear/LightGun.gd
index 9baf3cd..a8c6643 100644
--- a/scripts/Contents/Bullets/BossAttack/Bear/LightGun.gd
+++ b/scripts/Contents/Bullets/BossAttack/Bear/LightGun.gd
@@ -6,12 +6,8 @@ extends BulletBase
 @onready var track: ShaderStage = $"%track"
 @onready var sword: Sprite2D = $"%sword"
 @onready var points: GPUParticles2D = $"%points"
-
 var myColor: Color
-func register():
-	speed = 1
-	baseDamage = 1
-	penerate = 1
+
 func spawn():
 	myColor = allColor.gradient.sample(randf())
 	track.material = track.material.duplicate()
diff --git a/scripts/Contents/Bullets/BossAttack/Bear/SunDance.gd b/scripts/Contents/Bullets/BossAttack/Bear/SunDance.gd
index 1a538ee..d675216 100644
--- a/scripts/Contents/Bullets/BossAttack/Bear/SunDance.gd
+++ b/scripts/Contents/Bullets/BossAttack/Bear/SunDance.gd
@@ -6,13 +6,8 @@ extends BulletBase
 @onready var leave2: Sprite2D = $"%leave2"
 @onready var leave3: Sprite2D = $"%leave3"
 @onready var leave4: Sprite2D = $"%leave4"
-
 var myColor: Color
 
-func register():
-	speed = 0
-	baseDamage = 1
-	penerate = 1
 func spawn():
 	myColor = allColor.gradient.sample(randf())
 	setColor(myColor)
diff --git a/scripts/Contents/Bullets/BossAttack/KukeMC/HeavyCrystal.gd b/scripts/Contents/Bullets/BossAttack/KukeMC/HeavyCrystal.gd
index 599e355..10a5427 100644
--- a/scripts/Contents/Bullets/BossAttack/KukeMC/HeavyCrystal.gd
+++ b/scripts/Contents/Bullets/BossAttack/KukeMC/HeavyCrystal.gd
@@ -4,8 +4,6 @@ extends BulletBase
 
 var readyTime: float = 1000
 
-func register():
-	speed = 10
 func ai():
 	if timeLived() < readyTime:
 		PresetBulletAI.lockLauncher(self, launcher, true)
diff --git a/scripts/Contents/Bullets/ChickLaser.gd b/scripts/Contents/Bullets/ChickLaser.gd
index 30feeca..a8500c2 100644
--- a/scripts/Contents/Bullets/ChickLaser.gd
+++ b/scripts/Contents/Bullets/ChickLaser.gd
@@ -1,8 +1,6 @@
 extends BulletBase
 class_name Laser
 
-func register():
-	penerate = 1
 func ai():
 	rotation_degrees += 1
 	PresetBulletAI.lockLauncher(self, launcher, true)
diff --git a/scripts/Contents/Bullets/ChickSprint.gd b/scripts/Contents/Bullets/ChickSprint.gd
index 461313a..e7577e7 100644
--- a/scripts/Contents/Bullets/ChickSprint.gd
+++ b/scripts/Contents/Bullets/ChickSprint.gd
@@ -1,9 +1,6 @@
 extends BulletBase
 class_name ChickSprint
 
-func register():
-	speed = 0
-	penerate = 1
 func ai():
 	baseDamage = launcher.velocity.length() / 500.0
 	PresetBulletAI.lockLauncher(self, launcher, true)
diff --git a/scripts/Contents/Bullets/Diamond.gd b/scripts/Contents/Bullets/Diamond.gd
index 03f35a6..4e0e2ad 100644
--- a/scripts/Contents/Bullets/Diamond.gd
+++ b/scripts/Contents/Bullets/Diamond.gd
@@ -3,8 +3,6 @@ class_name Diamond
 
 const traceTime = 1500
 
-func register():
-	baseDamage = 2
 func ai():
 	PresetBulletAI.forward(self, rotation)
 	if timeLived() < traceTime:
diff --git a/scripts/Contents/Bullets/LGBTBullet.gd b/scripts/Contents/Bullets/LGBTBullet.gd
index 327fb37..5ad65f2 100644
--- a/scripts/Contents/Bullets/LGBTBullet.gd
+++ b/scripts/Contents/Bullets/LGBTBullet.gd
@@ -5,8 +5,6 @@ var tracer: EntityBase = null
 var maxTraceTime: float = 0
 var tracePower: float = 0
 
-func register():
-	speed = 1
 func ai():
 	speed *= 1.05
 	speed = clamp(speed, 0, 20)
diff --git a/scripts/Contents/Bullets/Meowmere.gd b/scripts/Contents/Bullets/Meowmere.gd
index f13d946..0007a6e 100644
--- a/scripts/Contents/Bullets/Meowmere.gd
+++ b/scripts/Contents/Bullets/Meowmere.gd
@@ -1,6 +1,4 @@
 extends BulletBase
 
-func register():
-	penerate = 1
 func ai():
 	PresetBulletAI.lockLauncher(self, launcher, true)
diff --git a/scripts/Contents/Bullets/Pencil.gd b/scripts/Contents/Bullets/Pencil.gd
index 159560b..3261881 100644
--- a/scripts/Contents/Bullets/Pencil.gd
+++ b/scripts/Contents/Bullets/Pencil.gd
@@ -1,8 +1,6 @@
 extends BulletBase
 class_name Pencil
 
-func register():
-	baseDamage = 20
 func spawn():
 	await TickTool.millseconds(1000)
 	hitbox.disabled = false
diff --git a/scripts/Contents/Bullets/RainbowCat.gd b/scripts/Contents/Bullets/RainbowCat.gd
index 1b193ed..7683aa4 100644
--- a/scripts/Contents/Bullets/RainbowCat.gd
+++ b/scripts/Contents/Bullets/RainbowCat.gd
@@ -1,8 +1,6 @@
 extends BulletBase
 class_name RainbowCat
 
-func register():
-	penerate = 1
 func ai():
 	PresetBulletAI.forward(self, rotation)
 func succeedToHit(_dmg: float, _entity: EntityBase):
diff --git a/scripts/Contents/Bullets/Star.gd b/scripts/Contents/Bullets/Star.gd
index 9a99081..8821283 100644
--- a/scripts/Contents/Bullets/Star.gd
+++ b/scripts/Contents/Bullets/Star.gd
@@ -1,7 +1,5 @@
 extends BulletBase
 class_name Star
 
-func register():
-	baseDamage = 1
 func ai():
 	PresetBulletAI.forward(self, rotation)
diff --git a/scripts/Statemachine/BulletBase.gd b/scripts/Statemachine/BulletBase.gd
index 70f31ce..437fa72 100644
--- a/scripts/Statemachine/BulletBase.gd
+++ b/scripts/Statemachine/BulletBase.gd
@@ -151,6 +151,7 @@ func trySplit():
 		for i in total:
 			var cloned = duplicate() as BulletBase
 			cloned.rotation = deg_to_rad(360.0 / total * i)
+			cloned.isChildSplit = true
 			split(cloned, i, total, last)
 func tryRefract():
 	if is_instance_valid(launcher) and !isChildRefract:
@@ -162,6 +163,7 @@ func tryRefract():
 			if is_instance_valid(entity):
 				var cloned = duplicate() as BulletBase
 				cloned.look_at(entity.position)
+				cloned.isChildRefract = true
 				refract(cloned, entity, i, total, last)
 
 # 抽象方法