diff --git a/DungeonShooting_Godot/src/framework/activity/ActivityObject.cs b/DungeonShooting_Godot/src/framework/activity/ActivityObject.cs
index f53cac1..9e54ad1 100644
--- a/DungeonShooting_Godot/src/framework/activity/ActivityObject.cs
+++ b/DungeonShooting_Godot/src/framework/activity/ActivityObject.cs
@@ -502,10 +502,15 @@
     public void Throw(float altitude, float verticalSpeed, Vector2 velocity, float rotate)
     {
         var parent = GetParent();
-        if (parent == null || parent != GameApplication.Instance.RoomManager.YSortLayer)
+        if (parent == null)
         {
             GameApplication.Instance.RoomManager.YSortLayer.AddChild(this);
         }
+        else if (parent != GameApplication.Instance.RoomManager.YSortLayer)
+        {
+            parent.RemoveChild(this);
+            GameApplication.Instance.RoomManager.YSortLayer.AddChild(this);
+        }
         
         Altitude = altitude;
         VerticalSpeed = verticalSpeed;
@@ -659,7 +664,6 @@
             else
             {
                 GlobalRotationDegrees = GlobalRotationDegrees + ThrowRotationDegreesSpeed * newDelta;
-                CalcThrowAnimatedPosition();
 
                 var ysp = VerticalSpeed;
 
@@ -728,6 +732,8 @@
                         ThrowOver();
                     }
                 }
+                //计算精灵位置
+                CalcThrowAnimatedPosition();
             }
         }
 
@@ -929,16 +935,9 @@
         ShadowSprite.Rotation = 0;
         //阴影位置计算
         var pos = AnimatedSprite.GlobalPosition;
-        if (_fallData != null && !_isFallOver)
-        {
-            ShadowSprite.GlobalPosition = new Vector2(pos.X + ShadowOffset.X, pos.Y + ShadowOffset.Y + Altitude);
-        }
-        else
-        {
-            ShadowSprite.GlobalPosition = pos + ShadowOffset;
-        }
+        ShadowSprite.GlobalPosition = new Vector2(pos.X + ShadowOffset.X, pos.Y + ShadowOffset.Y + Altitude);
     }
-    
+
     //计算位置
     private void CalcThrowAnimatedPosition()
     {
diff --git a/DungeonShooting_Godot/src/game/GameApplication.cs b/DungeonShooting_Godot/src/game/GameApplication.cs
index 183c2bf..d6b0007 100644
--- a/DungeonShooting_Godot/src/game/GameApplication.cs
+++ b/DungeonShooting_Godot/src/game/GameApplication.cs
@@ -65,7 +65,7 @@
 		Engine.MaxFps = 60;
 		//调试绘制开关
 		ActivityObject.IsDebug = Debug;
-		//Engine.TimeScale = 0.3f;
+		//Engine.TimeScale = 0.2f;
 
 		//初始化ui
 		UiManager.Init();
diff --git a/DungeonShooting_Godot/src/game/item/weapon/WeaponAttribute.cs b/DungeonShooting_Godot/src/game/item/weapon/WeaponAttribute.cs
index 0d9b41c..8a5ecc1 100644
--- a/DungeonShooting_Godot/src/game/item/weapon/WeaponAttribute.cs
+++ b/DungeonShooting_Godot/src/game/item/weapon/WeaponAttribute.cs
@@ -79,7 +79,7 @@
     /// </summary>
     public float StartFiringSpeed = 300;
     /// <summary>
-    /// 最终射速, 最终每分钟能开火次数
+    /// 最终射速, 最终每分钟能开火次数, 仅当 ContinuousShoot 为 true 时生效
     /// </summary>
     public float FinalFiringSpeed = 300;
     /// <summary>
diff --git a/DungeonShooting_Godot/src/game/room/RoomManager.cs b/DungeonShooting_Godot/src/game/room/RoomManager.cs
index fa9b674..5e26ca9 100644
--- a/DungeonShooting_Godot/src/game/room/RoomManager.cs
+++ b/DungeonShooting_Godot/src/game/room/RoomManager.cs
@@ -94,10 +94,6 @@
         
         Player.PickUpWeapon(ActivityObject.Create<Weapon>(ActivityIdPrefix.Weapon + "0001"));
 
-        var weapon = ActivityObject.Create<Weapon>(ActivityIdPrefix.Weapon + "0001");
-        weapon.PutDown(RoomLayerEnum.NormalLayer);
-        weapon.Altitude = 32;
-
         // for (int i = 0; i < 10; i++)
         // {
         //     var enemy = ActivityObject.Create<Enemy>(ActivityIdPrefix.Enemy + "0001");
diff --git a/DungeonShooting_Godot/src/game/ui/roomUI/GunBar.cs b/DungeonShooting_Godot/src/game/ui/roomUI/GunBar.cs
index 4022dd2..cfd1f34 100644
--- a/DungeonShooting_Godot/src/game/ui/roomUI/GunBar.cs
+++ b/DungeonShooting_Godot/src/game/ui/roomUI/GunBar.cs
@@ -27,7 +27,7 @@
 
     public void Process(float delta)
     {
-        var weapon = Player.Current.Holster.ActiveWeapon;
+        var weapon = Player.Current?.Holster.ActiveWeapon;
         if (weapon != null)
         {
             SetWeaponAmmunition(weapon.CurrAmmo, weapon.ResidueAmmo);