diff --git a/DungeonShooting_Godot/src/framework/map/preinstall/RoomPreinstall.cs b/DungeonShooting_Godot/src/framework/map/preinstall/RoomPreinstall.cs
index 9a7d44e..f08bc15 100644
--- a/DungeonShooting_Godot/src/framework/map/preinstall/RoomPreinstall.cs
+++ b/DungeonShooting_Godot/src/framework/map/preinstall/RoomPreinstall.cs
@@ -159,7 +159,6 @@
                     random.RandomRangeInt((int)(pos.X - birthRect.X / 2), (int)(pos.X + birthRect.X / 2)),
                     random.RandomRangeInt((int)(pos.Y - birthRect.Y / 2), (int)(pos.Y + birthRect.Y / 2))
                 );
-                var offset = RoomInfo.GetOffsetPosition();
                 //var offset = RoomInfo.RoomSplit.RoomInfo.Position.AsVector2I();
                 //mark.Position = RoomInfo.GetWorldPosition() + tempPos - offset;
                 mark.Position = RoomInfo.ToGlobalPosition(tempPos);
diff --git a/DungeonShooting_Godot/src/game/activity/role/RoleState.cs b/DungeonShooting_Godot/src/game/activity/role/RoleState.cs
index 0ba5075..7344daf 100644
--- a/DungeonShooting_Godot/src/game/activity/role/RoleState.cs
+++ b/DungeonShooting_Godot/src/game/activity/role/RoleState.cs
@@ -210,4 +210,20 @@
 
         return distance;
     }
+    
+    /// <summary>
+    /// 子弹穿透次数
+    /// </summary>
+    public event Action<Weapon, int, RefValue<int>> CalcBulletPenetrationEvent;
+    public int CalcBulletPenetration(Weapon weapon, int distance)
+    {
+        if (CalcBulletPenetrationEvent != null)
+        {
+            var result = new RefValue<int>(distance);
+            CalcBulletPenetrationEvent(weapon, distance, result);
+            return result.Value;
+        }
+
+        return distance;
+    }
 }
\ No newline at end of file
diff --git a/DungeonShooting_Godot/src/game/activity/weapon/Weapon_Bullet.cs b/DungeonShooting_Godot/src/game/activity/weapon/Weapon_Bullet.cs
index 80cedf5..2370533 100644
--- a/DungeonShooting_Godot/src/game/activity/weapon/Weapon_Bullet.cs
+++ b/DungeonShooting_Godot/src/game/activity/weapon/Weapon_Bullet.cs
@@ -91,6 +91,7 @@
             data.FlySpeed = roleState.CalcBulletSpeed(this, data.FlySpeed);
             data.MaxDistance = roleState.CalcBulletDistance(this, data.MaxDistance);
             data.BounceCount = roleState.CalcBulletBounceCount(this, data.BounceCount);
+            data.Penetration = roleState.CalcBulletPenetration(this, data.Penetration);
             deviationAngle = roleState.CalcBulletDeviationAngle(this, deviationAngle);
             
             if (TriggerRole.IsAi) //只有玩家使用该武器才能获得正常速度的子弹
diff --git a/DungeonShooting_Godot/src/game/data/BulletData.cs b/DungeonShooting_Godot/src/game/data/BulletData.cs
index a8895d9..cd57ab2 100644
--- a/DungeonShooting_Godot/src/game/data/BulletData.cs
+++ b/DungeonShooting_Godot/src/game/data/BulletData.cs
@@ -55,7 +55,7 @@
     /// <summary>
     /// 子弹最大穿透次数
     /// </summary>
-    public float Penetration;
+    public int Penetration;
 
     /// <summary>
     /// 子弹最大存在时间
diff --git a/README.md b/README.md
index 0acf3f2..ddf21a1 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,6 @@
 
 --- 
 ### 其他
-**开发日志:** [开发日志.md](DungeonShooting_Document/开发日志.md)
+**开发日志:** [开发日志.md](DungeonShooting_Document/开发日志.md)  
 **哔哩哔哩:** https://space.bilibili.com/259437820  
 **项目Ui插件:** https://github.com/xlljc/Ds_Ui
\ No newline at end of file