diff --git a/DungeonShooting_Godot/prefab/weapon/bullet/Bullet.tscn b/DungeonShooting_Godot/prefab/weapon/bullet/Bullet.tscn
index cc8610a..7b14bc0 100644
--- a/DungeonShooting_Godot/prefab/weapon/bullet/Bullet.tscn
+++ b/DungeonShooting_Godot/prefab/weapon/bullet/Bullet.tscn
@@ -13,19 +13,25 @@
 } ]
 
 [sub_resource type="RectangleShape2D" id=2]
-extents = Vector2( 5.5, 2 )
+extents = Vector2( 6, 2 )
 
 [node name="Bullet" type="Node"]
 script = ExtResource( 1 )
-CollisionLayer = 2
 
 [node name="ShadowSprite" type="Sprite" parent="."]
 material = ExtResource( 2 )
 
 [node name="AnimatedSprite" type="AnimatedSprite" parent="."]
-position = Vector2( -1, 0 )
+position = Vector2( 2.38419e-07, 0 )
 frames = SubResource( 1 )
 
 [node name="Collision" type="CollisionShape2D" parent="."]
 position = Vector2( 1.5, 0 )
+
+[node name="CollisionArea" type="Area2D" parent="."]
+collision_layer = 0
+collision_mask = 0
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="CollisionArea"]
+position = Vector2( 2, 0 )
 shape = SubResource( 2 )
diff --git a/DungeonShooting_Godot/resource/sprite/bullet/bullet2.png b/DungeonShooting_Godot/resource/sprite/bullet/bullet2.png
new file mode 100644
index 0000000..3cea799
--- /dev/null
+++ b/DungeonShooting_Godot/resource/sprite/bullet/bullet2.png
Binary files differ
diff --git a/DungeonShooting_Godot/resource/sprite/bullet/bullet2.png.import b/DungeonShooting_Godot/resource/sprite/bullet/bullet2.png.import
new file mode 100644
index 0000000..b2003cd
--- /dev/null
+++ b/DungeonShooting_Godot/resource/sprite/bullet/bullet2.png.import
@@ -0,0 +1,35 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/bullet2.png-6ca9527061677971732c8192cb1aa209.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://resource/sprite/bullet/bullet2.png"
+dest_files=[ "res://.import/bullet2.png-6ca9527061677971732c8192cb1aa209.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=false
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+process/normal_map_invert_y=false
+stream=false
+size_limit=0
+detect_3d=false
+svg/scale=1.0
diff --git a/DungeonShooting_Godot/scene/Room.tscn b/DungeonShooting_Godot/scene/Room.tscn
index 9f664bf..43c2477 100644
--- a/DungeonShooting_Godot/scene/Room.tscn
+++ b/DungeonShooting_Godot/scene/Room.tscn
@@ -15,7 +15,6 @@
 [node name="Camera2D" type="Camera2D" parent="."]
 position = Vector2( 253, 219 )
 current = true
-process_mode = 0
 limit_smoothed = true
 editor_draw_drag_margin = true
 script = ExtResource( 5 )
diff --git a/DungeonShooting_Godot/src/game/item/weapon/bullet/Bullet.cs b/DungeonShooting_Godot/src/game/item/weapon/bullet/Bullet.cs
index 4c43084..5dd8c0a 100644
--- a/DungeonShooting_Godot/src/game/item/weapon/bullet/Bullet.cs
+++ b/DungeonShooting_Godot/src/game/item/weapon/bullet/Bullet.cs
@@ -8,13 +8,20 @@
     public Bullet(string scenePath, float maxDistance, Vector2 position, float rotation, uint targetLayer) :
         base(scenePath)
     {
+        CollisionArea = GetNode<Area2D>("CollisionArea");
+        CollisionArea.CollisionMask = targetLayer;
+        CollisionArea.Connect("body_entered", this, nameof(_BodyEntered));
+
+        Collision.Disabled = true;
+        
         MaxDistance = maxDistance;
-        CollisionMask = targetLayer;
         Position = position;
         Rotation = rotation;
         ShadowOffset = new Vector2(0, 5);
     }
 
+    public Area2D CollisionArea { get; }
+    
     // 最大飞行距离
     private float MaxDistance;
 
@@ -34,35 +41,29 @@
     public override void _PhysicsProcess(float delta)
     {
         base._PhysicsProcess(delta);
-
         //移动
-        var kinematicCollision = MoveAndCollide(new Vector2(FlySpeed * delta, 0).Rotated(Rotation));
-        //有碰撞
-        if (kinematicCollision == null)
+        Position += new Vector2(FlySpeed * delta, 0).Rotated(Rotation);
+        //距离太大, 自动销毁
+        CurrFlyDistance += FlySpeed * delta;
+        if (CurrFlyDistance >= MaxDistance)
         {
-            //距离太大, 自动销毁
-            CurrFlyDistance += FlySpeed * delta;
-            if (CurrFlyDistance >= MaxDistance)
-            {
-                Destroy();
-            }
-        }
-        else
-        {
-            var collider = kinematicCollision.Collider;
-            if (collider is Role role)
-            {
-                role.Hit(1);
-            }
-
-            //播放受击动画
-            Node2D hit = ResourceManager.Load<PackedScene>(ResourcePath.prefab_effect_Hit_tscn).Instance<Node2D>();
-            hit.RotationDegrees = MathUtils.RandRangeInt(0, 360);
-            hit.GlobalPosition = kinematicCollision.Position;
-            GameApplication.Instance.Room.GetRoot(true).AddChild(hit);
-
             Destroy();
         }
+    }
 
+    private void _BodyEntered(Node2D other)
+    {
+        if (other is Role role)
+        {
+            role.Hit(1);
+        }
+
+        //播放受击动画
+        Node2D hit = ResourceManager.Load<PackedScene>(ResourcePath.prefab_effect_Hit_tscn).Instance<Node2D>();
+        hit.RotationDegrees = MathUtils.RandRangeInt(0, 360);
+        hit.GlobalPosition = GlobalPosition;
+        GameApplication.Instance.Room.GetRoot(true).AddChild(hit);
+
+        Destroy();
     }
 }
\ No newline at end of file