diff --git a/components/Bullets/OxygenFire.tscn b/components/Bullets/OxygenFire.tscn
index bca37d0..a6ec9f1 100644
--- a/components/Bullets/OxygenFire.tscn
+++ b/components/Bullets/OxygenFire.tscn
@@ -146,7 +146,6 @@ penerate = 1.0
 lifeTime = 1000.0
 autoSpawnAnimation = true
 freeAfterSpawn = true
-knockback = 10.0
 
 [node name="animator" parent="texture" index="0"]
 libraries = {
diff --git a/components/Characters/Rooster.tscn b/components/Characters/Rooster.tscn
index 1851d1c..65b6568 100644
--- a/components/Characters/Rooster.tscn
+++ b/components/Characters/Rooster.tscn
@@ -1,7 +1,8 @@
-[gd_scene load_steps=20 format=3 uid="uid://dky8574uqc18r"]
+[gd_scene load_steps=21 format=3 uid="uid://dky8574uqc18r"]
 
 [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://b5ebx8duvgtt5" path="res://components/Weapons/Oxygener.tscn" id="3_0omr3"]
 [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="PackedScene" uid="uid://cxabqjo7skxev" path="res://components/Weapons/BigLaser.tscn" id="5_joj4g"]
@@ -101,7 +102,11 @@ process_material = SubResource("ParticleProcessMaterial_joj4g")
 [node name="weaponStore" parent="." index="2"]
 process_mode = 4
 
-[node name="BigLaser" parent="weaponStore" index="0" instance=ExtResource("5_joj4g")]
+[node name="Oxygener" parent="weaponStore" index="0" instance=ExtResource("3_0omr3")]
+offset_bottom = 446.0
+debugRebuild = false
+
+[node name="BigLaser" parent="weaponStore" index="1" instance=ExtResource("5_joj4g")]
 
 [node name="sprint" parent="sounds" index="0"]
 stream = ExtResource("4_66s6c")
diff --git a/components/Weapons/Oxygener.tscn b/components/Weapons/Oxygener.tscn
index bc40a5f..a1c91a2 100644
--- a/components/Weapons/Oxygener.tscn
+++ b/components/Weapons/Oxygener.tscn
@@ -11,18 +11,20 @@ displayName = "氧化加农炮"
 quality = 0
 typeTopic = 2
 store = {
-"atk": 3.0,
-"fireatk": 1.0,
+"atk": 10.0,
+"count": 1,
+"fireatk": 5.0,
 "max-n": 7.0,
-"min-n": 3.0
+"min-n": 2.0
 }
 storeType = {
 "atk": 0,
+"count": 1,
 "fireatk": 0,
 "max-n": 1,
 "min-n": 1
 }
-descriptionTemplate = "高速喷出[b]火焰[/b]，造成$fireatk点伤害。小概率喷出[b]硝化火[/b]，召唤$min-n~$max-n滴[b]浓硝酸[/b]围绕在火焰旁，每滴造成$atk点伤害。[b]火焰[/b]具有高额击退效果，[b]浓硝酸[/b]液滴的射程较短。"
+descriptionTemplate = "高速喷出[b]火焰[/b]，造成$fireatk点伤害。小概率喷出[b]硝化火[/b]，召唤$min-n~$max-n滴[b]浓硝酸[/b]围绕在火焰旁，每滴造成$atk点伤害。[b]火焰[/b]具有高额击退效果，[b]浓硝酸[/b]液滴的射程较短，每发射$count次火焰会消耗[color=yellow]1[/color]个[b]篮球[/b]。"
 cooldown = 50.0
 debugRebuild = true
 
@@ -35,4 +37,4 @@ quality = 0
 typeTopic = 2
 
 [node name="description" parent="container" index="2"]
-text = "[center]高速喷出[b]火焰[/b]，造成[color=cyan]1.00[/color]点伤害。小概率喷出[b]硝化火[/b]，召唤[color=cyan]3[/color]~[color=cyan]7[/color]滴[b]浓硝酸[/b]围绕在火焰旁，每滴造成[color=cyan]3.00[/color]点伤害。[b]火焰[/b]具有高额击退效果，[b]浓硝酸[/b]液滴的射程较短。[/center]"
+text = "[center]高速喷出[b]火焰[/b]，造成[color=cyan]5.00[/color]点伤害。小概率喷出[b]硝化火[/b]，召唤[color=cyan]2[/color]~[color=cyan]7[/color]滴[b]浓硝酸[/b]围绕在火焰旁，每滴造成[color=cyan]10.00[/color]点伤害。[b]火焰[/b]具有高额击退效果，[b]浓硝酸[/b]液滴的射程较短，每发射[color=cyan]1[/color]次火焰会消耗[color=yellow]1[/color]个[b]篮球[/b]。[/center]"
diff --git a/scripts/Contents/Bullets/OxygenFire.gd b/scripts/Contents/Bullets/OxygenFire.gd
index 1f4dffb..b760008 100644
--- a/scripts/Contents/Bullets/OxygenFire.gd
+++ b/scripts/Contents/Bullets/OxygenFire.gd
@@ -2,4 +2,4 @@ extends BulletBase
 class_name OxygenFire
 
 func ai():
-    PresetBulletAI.forward(self, rotation)
+	PresetBulletAI.forward(self, rotation)
diff --git a/scripts/Contents/Weapons/Oxygener.gd b/scripts/Contents/Weapons/Oxygener.gd
index dd48217..ac19c0e 100644
--- a/scripts/Contents/Weapons/Oxygener.gd
+++ b/scripts/Contents/Weapons/Oxygener.gd
@@ -4,8 +4,11 @@ extends Weapon
 func update(to: int, origin: Dictionary, _entity: EntityBase):
 	origin["atk"] += 1 * to * soulLevel
 	origin["fireatk"] += 0.5 * to * soulLevel
-	origin["max-n"] += 2 * soulLevel
+	origin["max-n"] += 2 * (soulLevel - 1)
+	origin["count"] *= soulLevel
 	return origin
+func checkAttack(entity: EntityBase) -> bool:
+	return entity.useItem({ItemStore.ItemType.BASKETBALL: 1.0 / readStore("count")})
 func attack(entity: EntityBase):
 	for bullet in BulletBase.generate(
 		ComponentManager.getBullet("OxygenFire"),
diff --git a/scripts/Structs/Weapon.gd b/scripts/Structs/Weapon.gd
index 9b1ef90..f18be06 100644
--- a/scripts/Structs/Weapon.gd
+++ b/scripts/Structs/Weapon.gd
@@ -169,7 +169,7 @@ func playSound(sound: String):
 		cloned.queue_free()
 func canAttackBy(entity: EntityBase):
 	cooldownTimer.speedScale = entity.fields.get(FieldStore.Entity.ATTACK_SPEED) * attackSpeed
-	return cooldownTimer.isCooldowned() and entity.isEnergyEnough(needEnergy)
+	return cooldownTimer.isCooldowned() and entity.isEnergyEnough(needEnergy) and checkAttack(entity)
 func tryAttack(entity: EntityBase):
 	if canAttackBy(entity):
 		var result = await attack(entity)
@@ -183,5 +183,7 @@ func charged(base: float, percent: float):
 # 抽象
 func update(_to: int, origin: Dictionary, _entity: EntityBase):
 	return origin
+func checkAttack(_entity: EntityBase) -> bool:
+	return true
 func attack(_entity: EntityBase):
 	pass