diff --git a/components/Bullets/Pipe.tscn b/components/Bullets/Pipe.tscn
index 9e1a980..d27eb10 100644
--- a/components/Bullets/Pipe.tscn
+++ b/components/Bullets/Pipe.tscn
@@ -15,8 +15,8 @@ animations = [{
 "speed": 5.0
 }]
 
-[sub_resource type="RectangleShape2D" id="RectangleShape2D_j5ir5"]
-size = Vector2(162, 12)
+[sub_resource type="CircleShape2D" id="CircleShape2D_vcs8c"]
+radius = 83.00603
 
 [node name="Pipe" instance=ExtResource("1_3h25n")]
 script = ExtResource("2_vcs8c")
@@ -29,4 +29,4 @@ scale = Vector2(0.27, 0.27)
 sprite_frames = SubResource("SpriteFrames_vcs8c")
 
 [node name="hitbox" parent="." index="1"]
-shape = SubResource("RectangleShape2D_j5ir5")
+shape = SubResource("CircleShape2D_vcs8c")
diff --git a/components/Characters/Rooster.tscn b/components/Characters/Rooster.tscn
index b00f0ed..2944a62 100644
--- a/components/Characters/Rooster.tscn
+++ b/components/Characters/Rooster.tscn
@@ -1,4 +1,4 @@
-[gd_scene load_steps=13 format=3 uid="uid://dky8574uqc18r"]
+[gd_scene load_steps=20 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"]
@@ -10,6 +10,43 @@
 [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="Curve" id="Curve_da2ca"]
+_data = [Vector2(0.5, 1), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
+point_count = 2
+
+[sub_resource type="CurveTexture" id="CurveTexture_0omr3"]
+curve = SubResource("Curve_da2ca")
+
+[sub_resource type="Curve" id="Curve_joj4g"]
+_limits = [-360.0, 1.0, 0.0, 1.0]
+_data = [Vector2(0, 1), 0.0, 0.0, 0, 0, Vector2(1, -360), 0.0, 0.0, 0, 0]
+point_count = 2
+
+[sub_resource type="CurveTexture" id="CurveTexture_jluqw"]
+curve = SubResource("Curve_joj4g")
+
+[sub_resource type="Curve" id="Curve_0omr3"]
+_data = [Vector2(0.5, 1), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
+point_count = 2
+
+[sub_resource type="CurveTexture" id="CurveTexture_joj4g"]
+curve = SubResource("Curve_0omr3")
+
+[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_joj4g"]
+particle_flag_disable_z = true
+emission_shape = 1
+emission_sphere_radius = 300.0
+angle_min = 1.0728835e-05
+angle_max = 360.00003
+angle_curve = SubResource("CurveTexture_jluqw")
+gravity = Vector3(0, 0, 0)
+radial_accel_min = -200.0
+radial_accel_max = -100.0
+scale_min = 7.0
+scale_max = 10.0
+scale_curve = SubResource("CurveTexture_joj4g")
+alpha_curve = SubResource("CurveTexture_0omr3")
+
 [sub_resource type="SpriteFrames" id="SpriteFrames_4v2ol"]
 animations = [{
 "frames": [],
@@ -55,7 +92,13 @@ useStatic = true
 metadata/_edit_horizontal_guides_ = [-188.0]
 metadata/_edit_vertical_guides_ = [71.0]
 
-[node name="weaponStore" parent="." index="1"]
+[node name="chargeParticle" type="GPUParticles2D" parent="." index="0"]
+unique_name_in_owner = true
+position = Vector2(0, -54)
+amount = 100
+process_material = SubResource("ParticleProcessMaterial_joj4g")
+
+[node name="weaponStore" parent="." index="2"]
 process_mode = 4
 
 [node name="Pipe" parent="weaponStore" index="0" instance=ExtResource("3_da2ca")]
@@ -72,7 +115,7 @@ stream = ExtResource("5_xnbhq")
 [node name="hurt" parent="sounds" index="3"]
 stream = ExtResource("6_m5px1")
 
-[node name="texture" parent="." index="3"]
+[node name="texture" parent="." index="4"]
 position = Vector2(0, -47)
 sprite_frames = SubResource("SpriteFrames_4v2ol")
 animation = &"walk"
@@ -89,6 +132,6 @@ shape = SubResource("CircleShape2D_h1v0q")
 [node name="normal" type="Node2D" parent="texture/weapons" index="0"]
 position = Vector2(56, -69)
 
-[node name="statebar" parent="." index="4" node_paths=PackedStringArray("entity")]
+[node name="statebar" parent="." index="5" node_paths=PackedStringArray("entity")]
 position = Vector2(0, -150)
 entity = NodePath("..")
diff --git a/components/Effects/PipeFall.tscn b/components/Effects/PipeFall.tscn
new file mode 100644
index 0000000..9dc571e
--- /dev/null
+++ b/components/Effects/PipeFall.tscn
@@ -0,0 +1,10 @@
+[gd_scene load_steps=3 format=3 uid="uid://ukta2xq1l32k"]
+
+[ext_resource type="PackedScene" uid="uid://bcvuuy2m0pke0" path="res://components/Abstracts/EffectBase.tscn" id="1_qau47"]
+[ext_resource type="AudioStream" uid="uid://7k43qbbcim2l" path="res://resources/sounds/weapon/pipefall.mp3" id="2_4ds2m"]
+
+[node name="PipeFall" instance=ExtResource("1_qau47")]
+spawnSound = "spawn"
+
+[node name="spawn" parent="sounds" index="0"]
+stream = ExtResource("2_4ds2m")
diff --git a/components/Weapons/Pipe.tscn b/components/Weapons/Pipe.tscn
index abe84cf..f6c6bde 100644
--- a/components/Weapons/Pipe.tscn
+++ b/components/Weapons/Pipe.tscn
@@ -20,6 +20,8 @@ storeType = {
 }
 descriptionTemplate = "按住蓄力扔出钢管，蓄力越久伤害越高。
 基础伤害：$atk，蓄力倍率：$charge"
+needEnergy = 2.0
+cooldown = 1000.0
 
 [node name="avatar" parent="container/info" index="0"]
 texture = ExtResource("2_mmtf8")
diff --git a/resources/sounds/weapon/pipefall.mp3 b/resources/sounds/weapon/pipefall.mp3
new file mode 100644
index 0000000..c4f7565
Binary files /dev/null and b/resources/sounds/weapon/pipefall.mp3 differ
diff --git a/resources/sounds/weapon/pipefall.mp3.import b/resources/sounds/weapon/pipefall.mp3.import
new file mode 100644
index 0000000..a982d76
--- /dev/null
+++ b/resources/sounds/weapon/pipefall.mp3.import
@@ -0,0 +1,19 @@
+[remap]
+
+importer="mp3"
+type="AudioStreamMP3"
+uid="uid://7k43qbbcim2l"
+path="res://.godot/imported/pipefall.mp3-a309c798ff22faf6a524405b2ca37197.mp3str"
+
+[deps]
+
+source_file="res://resources/sounds/weapon/pipefall.mp3"
+dest_files=["res://.godot/imported/pipefall.mp3-a309c798ff22faf6a524405b2ca37197.mp3str"]
+
+[params]
+
+loop=false
+loop_offset=0
+bpm=0
+beat_count=0
+bar_beats=4
diff --git a/scripts/Contents/Bullets/PipeBullet.gd b/scripts/Contents/Bullets/PipeBullet.gd
index 2ef04c6..38383f0 100644
--- a/scripts/Contents/Bullets/PipeBullet.gd
+++ b/scripts/Contents/Bullets/PipeBullet.gd
@@ -7,3 +7,5 @@ func ai():
 	PresetBulletAI.forward(self, rotation)
 	texture.rotation += energy * (1 - lifeTimePercent()) / 100
 	speed = initialSpeed * (1 - lifeTimePercent())
+func destroy(_beacuseMap: bool):
+	EffectController.create(ComponentManager.getEffect("PipeFall"), position).shot()
diff --git a/scripts/Contents/Characters/Rooster.gd b/scripts/Contents/Characters/Rooster.gd
index df72da2..3fdeb66 100644
--- a/scripts/Contents/Characters/Rooster.gd
+++ b/scripts/Contents/Characters/Rooster.gd
@@ -1,6 +1,8 @@
 extends EntityBase
 class_name Rooster
 
+@onready var chargeParticle: GPUParticles2D = $%chargeParticle
+
 func register():
 	attackCooldownMap[0] = 200
 	attackCooldownMap[1] = 6000
@@ -11,6 +13,7 @@ func register():
 			elif bullet is FoxZhua:
 				EffectController.create(ComponentManager.getEffect("BloodFall"), texture.global_position).shot()
 	)
+	chargeParticle.emitting = false
 var chargeStartTime = {}
 
 func ai():
@@ -62,6 +65,7 @@ func startCharge(weaponIndex: int):
 		var weapon = weapons[weaponIndex]
 		if weapon.chargable:
 			chargeStartTime[weaponIndex] = Time.get_ticks_msec()
+			chargeParticle.emitting = true
 func endCharge(weaponIndex: int):
 	if chargeStartTime.has(weaponIndex):
 		var startTime = chargeStartTime[weaponIndex]
@@ -73,3 +77,4 @@ func endCharge(weaponIndex: int):
 			if weapon.chargable:
 				weapon.chargedTime = chargedTime
 				tryAttack(weaponIndex)
+				chargeParticle.emitting = false
diff --git a/scripts/Structs/Weapon.gd b/scripts/Structs/Weapon.gd
index 525a21e..2522fbf 100644
--- a/scripts/Structs/Weapon.gd
+++ b/scripts/Structs/Weapon.gd
@@ -175,7 +175,7 @@ func tryAttack(entity: EntityBase):
 			entity.useEnergy(needEnergy)
 		return result
 func charged(base: float, percent: float):
-	return base * (1 + chargedTime / 50 * percent)
+	return base * (1 + chargedTime / 75 * percent)
 
 # 抽象
 func update(_to: int, origin: Dictionary, _entity: EntityBase):