diff --git a/components/Characters/Rooster.tscn b/components/Characters/Rooster.tscn
index fea4b49..80dd2ed 100644
--- a/components/Characters/Rooster.tscn
+++ b/components/Characters/Rooster.tscn
@@ -1,13 +1,14 @@
-[gd_scene load_steps=12 format=3 uid="uid://bm7ymrri6pykb"]
+[gd_scene load_steps=13 format=3 uid="uid://bm7ymrri6pykb"]
 
 [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://c0n3igy4hucrg" path="res://components/Weapons/PurpleCrystal.tscn" id="3_s7kxe"]
+[ext_resource type="PackedScene" uid="uid://dlaks67h2osms" path="res://components/Weapons/ChainGun.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"]
 [ext_resource type="AudioStream" uid="uid://4wuuf1osk0yv" path="res://resources/sounds/effect/Low Boing.wav" id="6_m5px1"]
-[ext_resource type="Texture2D" uid="uid://x7ic6wm22jv4" path="res://resources/characters/cock/rooster.png" id="11_joj4g"]
+[ext_resource type="Texture2D" uid="uid://fn8qx72clh38" path="res://resources/characters/cock/rooster-a.svg" id="8_da2ca"]
+[ext_resource type="Texture2D" uid="uid://ci2ik43ce82uy" path="res://resources/characters/cock/rooster-b.svg" id="9_0omr3"]
 
 [sub_resource type="SpriteFrames" id="SpriteFrames_4v2ol"]
 animations = [{
@@ -26,7 +27,7 @@ animations = [{
 animations = [{
 "frames": [{
 "duration": 1.0,
-"texture": ExtResource("11_joj4g")
+"texture": ExtResource("8_da2ca")
 }],
 "loop": true,
 "name": &"idle",
@@ -34,7 +35,10 @@ animations = [{
 }, {
 "frames": [{
 "duration": 1.0,
-"texture": ExtResource("11_joj4g")
+"texture": ExtResource("8_da2ca")
+}, {
+"duration": 1.0,
+"texture": ExtResource("9_0omr3")
 }],
 "loop": true,
 "name": &"walk",
@@ -54,7 +58,7 @@ metadata/_edit_vertical_guides_ = [71.0]
 [node name="weaponStore" parent="." index="1"]
 process_mode = 4
 
-[node name="PurpleCrystal" parent="weaponStore" index="0" instance=ExtResource("3_s7kxe")]
+[node name="ChainGun" parent="weaponStore" index="0" instance=ExtResource("3_s7kxe")]
 debugRebuild = false
 
 [node name="sprint" parent="sounds" index="0"]
@@ -70,15 +74,14 @@ stream = ExtResource("5_xnbhq")
 stream = ExtResource("6_m5px1")
 
 [node name="texture" parent="." index="3"]
-position = Vector2(0, -70)
+position = Vector2(0, -47)
 sprite_frames = SubResource("SpriteFrames_4v2ol")
 animation = &"walk"
 
 [node name="staticAnimation" parent="texture" index="1"]
 position = Vector2(0, -24)
-scale = Vector2(0.32309517, 0.32309517)
 sprite_frames = SubResource("SpriteFrames_jluqw")
-animation = &"walk"
+animation = &"idle"
 
 [node name="hitbox" parent="texture/hurtbox" index="0"]
 position = Vector2(8, -28)
@@ -88,5 +91,5 @@ shape = SubResource("CircleShape2D_h1v0q")
 position = Vector2(54, -45)
 
 [node name="statebar" parent="." index="4" node_paths=PackedStringArray("entity")]
-position = Vector2(0, -202)
+position = Vector2(0, -150)
 entity = NodePath("..")
diff --git a/components/Weapons/ChainGun.tscn b/components/Weapons/ChainGun.tscn
index 654dbb4..7e3108e 100644
--- a/components/Weapons/ChainGun.tscn
+++ b/components/Weapons/ChainGun.tscn
@@ -1,8 +1,9 @@
-[gd_scene load_steps=4 format=3 uid="uid://dlaks67h2osms"]
+[gd_scene load_steps=5 format=3 uid="uid://dlaks67h2osms"]
 
 [ext_resource type="PackedScene" uid="uid://ckq2cq6m23hq3" path="res://components/Abstracts/WeaponCardBase.tscn" id="1_x1nyl"]
 [ext_resource type="Texture2D" uid="uid://ccxdfsg5071t4" path="res://resources/bullets/chain-gun/Chain_Gun.webp" id="2_ghn43"]
 [ext_resource type="Script" uid="uid://dev0urlc13rxc" path="res://scripts/Contents/Weapons/ChainGun.gd" id="2_ponmu"]
+[ext_resource type="AudioStream" uid="uid://bdcyao3e6xs63" path="res://resources/sounds/effect/chainshoot.wav" id="4_g38si"]
 
 [node name="ChainGun" instance=ExtResource("1_x1nyl")]
 script = ExtResource("2_ponmu")
@@ -12,22 +13,26 @@ costBeachball = 400
 store = {
 "atk": 3,
 "count": 1,
-"split": 30
+"split": 15
 }
 storeType = {
 "atk": 1,
 "count": 1,
-"split": 1
+"split": 3
 }
-descriptionTemplate = "以$split单位的间隔发射$count个[b]微型水晶[/b]，可造成$atk点伤害。"
-needEnergy = 1.0
-cooldown = 50.0
+descriptionTemplate = "超高速发射$count个[b]微型水晶[/b]，可造成$atk点伤害，散射+$split。"
+needEnergy = 0.75
+cooldown = 66.0
+debugRebuild = true
+
+[node name="attack" parent="sounds" index="0"]
+stream = ExtResource("4_g38si")
 
 [node name="avatar" parent="container/info" index="0"]
 texture = ExtResource("2_ghn43")
 
 [node name="energy" parent="container/info/infos/energyInfo" index="1"]
-text = "1.0"
+text = "0.8"
 
 [node name="beachball" parent="container/info/infos" index="1"]
 count = 400
@@ -36,4 +41,4 @@ count = 400
 displayName = "链式机枪"
 
 [node name="description" parent="container" index="2"]
-text = "[center]以[color=cyan]30[/color]单位的间隔发射[color=cyan]1[/color]个[b]微型水晶[/b]，可造成[color=cyan]3[/color]点伤害。[/center]"
+text = "[center]超高速发射[color=cyan]1[/color]个[b]微型水晶[/b]，可造成[color=cyan]3[/color]点伤害，散射+[color=cyan]15.0°[/color]。[/center]"
diff --git a/project.godot b/project.godot
index 5c32577..0152548 100644
--- a/project.godot
+++ b/project.godot
@@ -19,6 +19,7 @@ config/icon="res://icon.svg"
 
 window/size/viewport_width=1280
 window/size/viewport_height=720
+window/size/mode=2
 
 [dotnet]
 
diff --git a/resources/sounds/effect/chainshoot.wav b/resources/sounds/effect/chainshoot.wav
new file mode 100644
index 0000000..0cccfdf
Binary files /dev/null and b/resources/sounds/effect/chainshoot.wav differ
diff --git a/resources/sounds/effect/chainshoot.wav.import b/resources/sounds/effect/chainshoot.wav.import
new file mode 100644
index 0000000..3ab59a3
--- /dev/null
+++ b/resources/sounds/effect/chainshoot.wav.import
@@ -0,0 +1,24 @@
+[remap]
+
+importer="wav"
+type="AudioStreamWAV"
+uid="uid://bdcyao3e6xs63"
+path="res://.godot/imported/chainshoot.wav-a0d7629f12757fe65a40d82f1ed87019.sample"
+
+[deps]
+
+source_file="res://resources/sounds/effect/chainshoot.wav"
+dest_files=["res://.godot/imported/chainshoot.wav-a0d7629f12757fe65a40d82f1ed87019.sample"]
+
+[params]
+
+force/8_bit=false
+force/mono=false
+force/max_rate=false
+force/max_rate_hz=44100
+edit/trim=false
+edit/normalize=false
+edit/loop_mode=0
+edit/loop_begin=0
+edit/loop_end=-1
+compress/mode=2
diff --git a/scripts/Contents/Bullets/ChainGun.gd b/scripts/Contents/Bullets/ChainGun.gd
index c100c19..75ae276 100644
--- a/scripts/Contents/Bullets/ChainGun.gd
+++ b/scripts/Contents/Bullets/ChainGun.gd
@@ -1,16 +1,21 @@
 extends BulletBase
 
-var count: int = 1
-var splits: float = 10.0
+var count: int = 0
+var splits: float = 0
 
 @onready var anchor: Node2D = $"%anchor"
 
 func spawn():
 	for j in count:
-		for i in BulletBase.generate(ComponentManager.getBullet("PurpleCrystalSmall"), launcher, anchor.global_position, rotation):
+		for i in BulletBase.generate(
+			ComponentManager.getBullet("PurpleCrystalSmall"),
+			launcher,
+			anchor.global_position,
+			rotation + deg_to_rad(splits * randf_range(-1, 1))
+		):
 			if i is BulletBase:
 				var dir = Vector2.from_angle(i.rotation).rotated(deg_to_rad(-90))
 				i.baseDamage = baseDamage
-				i.position += dir * (count - j * 2) * splits / 2
+				i.position += dir * (count - j * 2) * 10 / 2
 func ai():
 	PresetBulletAI.lockLauncher(self, launcher, true)
diff --git a/scripts/Contents/Bullets/Volcano.gd b/scripts/Contents/Bullets/Volcano.gd
index b57c9b8..7eb1ad3 100644
--- a/scripts/Contents/Bullets/Volcano.gd
+++ b/scripts/Contents/Bullets/Volcano.gd
@@ -27,7 +27,8 @@ func generateShadow():
 			launcher,
 			position,
 			startAngle + i * deg_to_rad(splitAngle),
-			false, false, true, true
+			true,
+			true
 		):
 			if bullet is VolcanoShadow:
 				bullet.baseDamage = baseDamage * dmg5
diff --git a/scripts/Contents/Characters/Rooster.gd b/scripts/Contents/Characters/Rooster.gd
index d03f2fd..bdc0020 100644
--- a/scripts/Contents/Characters/Rooster.gd
+++ b/scripts/Contents/Characters/Rooster.gd
@@ -11,8 +11,10 @@ func register():
 			elif bullet is FoxZhua:
 				EffectController.create(ComponentManager.getEffect("BloodFall"), texture.global_position).shot()
 	)
-	if !WorldManager.isRelease():
-		fields[FieldStore.Entity.BULLET_REFRACTION] = 3
+	# if !WorldManager.isRelease():
+	# 	fields[FieldStore.Entity.BULLET_REFRACTION] = 3
+	# 	fields[FieldStore.Entity.BULLET_SPLIT] = 3
+	# 	fields[FieldStore.Entity.EXTRA_BULLET_COUNT] = 3
 func ai():
 	texture.play("walk")
 	var direction = Vector2(
diff --git a/scripts/Contents/Weapons/ChainGun.gd b/scripts/Contents/Weapons/ChainGun.gd
index 7b702a3..1d38b96 100644
--- a/scripts/Contents/Weapons/ChainGun.gd
+++ b/scripts/Contents/Weapons/ChainGun.gd
@@ -4,7 +4,7 @@ extends Weapon
 func update(to, origin, _entity):
 	origin["atk"] += 2 * to * soulLevel
 	origin["count"] = 1 * soulLevel
-	origin["split"] /= 1 + 0.05 * to * soulLevel
+	origin["split"] /= 1 + 0.005 * to * soulLevel
 	return origin
 func attack(entity: EntityBase):
 	for i in BulletBase.generate(ComponentManager.getBullet("ChainGun"), entity, entity.texture.global_position, (get_global_mouse_position() - entity.texture.global_position).angle()):
@@ -12,3 +12,4 @@ func attack(entity: EntityBase):
 			i.baseDamage = readStore("atk")
 			i.count = floor(readStore("count"))
 			i.splits = readStore("split")
+	return true
diff --git a/scripts/Contents/Weapons/Volcano.gd b/scripts/Contents/Weapons/Volcano.gd
index 32c88f7..388ee1c 100644
--- a/scripts/Contents/Weapons/Volcano.gd
+++ b/scripts/Contents/Weapons/Volcano.gd
@@ -16,7 +16,7 @@ func attack(entity: EntityBase):
 		ComponentManager.getBullet("Volcano"),
 		entity,
 		entity.findWeaponAnchor("normal"),
-		entity.position.angle_to_point(entity.get_global_mouse_position()), false, false, true, true
+		entity.position.angle_to_point(entity.get_global_mouse_position()), true, true
 	):
 		var bullet: Volcano = j
 		bullet.baseDamage = readStore("atk")
diff --git a/scripts/Statemachine/BulletBase.gd b/scripts/Statemachine/BulletBase.gd
index 1a5d0f9..c9ba001 100644
--- a/scripts/Statemachine/BulletBase.gd
+++ b/scripts/Statemachine/BulletBase.gd
@@ -30,8 +30,7 @@ var parent: BulletBase = null
 var spawnInWhen: float = 0
 var spawnInWhere: Vector2 = Vector2.ZERO
 var destroying: bool = false
-var isChildSplit: bool = false
-var isChildRefract: bool = false
+var canDuplicateSelf: bool = true
 var initialSpeed: float = 0
 var initialDamage: float = 0
 var speedScale: float = 1
@@ -144,19 +143,19 @@ func tryDestroy(becauseMap: bool = false):
 		await animator.animation_finished
 	queue_free()
 func trySplit():
-	if is_instance_valid(launcher) and !isChildSplit:
+	if is_instance_valid(launcher) and canDuplicateSelf:
 		var value = launcher.fields.get(FieldStore.Entity.BULLET_SPLIT)
 		var total = MathTool.shrimpRate(value)
 		var last = value - floor(value)
 		for i in total:
 			var cloned = duplicate() as BulletBase
-			cloned.rotation = deg_to_rad(360.0 / total * i)
-			cloned.isChildSplit = true
+			cloned.rotation += deg_to_rad(360.0 / total * i + 180)
+			cloned.canDuplicateSelf = false
 			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:
+	if is_instance_valid(launcher) and canDuplicateSelf:
 		var value = launcher.fields.get(FieldStore.Entity.BULLET_REFRACTION)
 		var total = MathTool.shrimpRate(value)
 		var last = value - floor(value)
@@ -172,7 +171,7 @@ func tryRefract():
 				aimed.append(entity)
 				var cloned = duplicate() as BulletBase
 				cloned.look_at(entity.position)
-				cloned.isChildRefract = true
+				cloned.canDuplicateSelf = false
 				cloned.launcher = launcher
 				cloned.parent = parent
 				get_parent().add_child.call_deferred(refract(cloned, entity, i, total, last))
@@ -202,8 +201,6 @@ static func generate(
 	 	launchBy: EntityBase,
 	  	spawnPosition: Vector2,
 	  	spawnRotation: float,
-		asChildSplit: bool = false,
-		asChildRefract: bool = false,
 	   	addToWorld: bool = true,
 		ignoreOffset: bool = false
 	):
@@ -212,8 +209,6 @@ static func generate(
 	var instances = []
 	for i in range(count):
 		var instance: BulletBase = bullet.instantiate()
-		instance.isChildSplit = asChildSplit
-		instance.isChildRefract = asChildRefract
 		instance.launcher = launchBy
 		instance.position = spawnPosition
 		instance.rotation = spawnRotation + deg_to_rad(launchBy.fields.get(FieldStore.Entity.OFFSET_SHOOT) * randf_range(-1, 1) * int(!ignoreOffset))
diff --git a/scripts/Statemachine/EntityBase.gd b/scripts/Statemachine/EntityBase.gd
index 7b3b4d7..b609b37 100644
--- a/scripts/Statemachine/EntityBase.gd
+++ b/scripts/Statemachine/EntityBase.gd
@@ -338,7 +338,7 @@ func tryDie(by: BulletBase = null):
 			var item = drops[drop]
 			var count = ceil(randf_range(dropCounts[drop].x, dropCounts[drop].y))
 			for i in range(count):
-				ItemDropped.generate(item, randi_range(1, 3 * round(sqrt(GameRule.difficulty - GameRule.difficultyRange.x + 1))), position + MathTool.randomVector2In(GameRule.itemDroppedSpawnOffset))
+				ItemDropped.generate(item, randi_range(1, round(2.5 * sqrt(GameRule.difficulty - GameRule.difficultyRange.x + 1))), position + MathTool.randomVector2In(GameRule.itemDroppedSpawnOffset))
 		if MathTool.rate(
 			GameRule.appleDropRate +
 			by.launcher.fields.get(FieldStore.Entity.DROP_APPLE_RATE) +