diff --git a/DungeonShooting_Godot/prefab/ui/TileSetEditorCombination.tscn b/DungeonShooting_Godot/prefab/ui/TileSetEditorCombination.tscn
index 4f906ac..2ab686e 100644
--- a/DungeonShooting_Godot/prefab/ui/TileSetEditorCombination.tscn
+++ b/DungeonShooting_Godot/prefab/ui/TileSetEditorCombination.tscn
@@ -1,13 +1,17 @@
-[gd_scene load_steps=11 format=3 uid="uid://daias2tkvj20c"]
+[gd_scene load_steps=15 format=3 uid="uid://daias2tkvj20c"]
 
 [ext_resource type="Script" path="res://src/game/ui/tileSetEditorCombination/TileSetEditorCombinationPanel.cs" id="1_to1lc"]
 [ext_resource type="Script" path="res://src/game/ui/tileSetEditorCombination/leftBottom/TileEditArea.cs" id="2_h43yx"]
 [ext_resource type="Shader" path="res://resource/material/Grid.gdshader" id="2_t1p2n"]
 [ext_resource type="Texture2D" uid="uid://uhhfgdhpk7i4" path="res://icon.png" id="2_wr143"]
+[ext_resource type="Script" path="res://src/game/ui/tileSetEditorCombination/leftTop/RectBrush.cs" id="3_avikb"]
 [ext_resource type="Script" path="res://src/game/ui/tileSetEditorCombination/leftBottom/MaskBrush.cs" id="4_ytys0"]
+[ext_resource type="Texture2D" uid="uid://fkg21rtph51d" path="res://resource/sprite/ui/commonIcon/Delete2.png" id="5_6jqro"]
+[ext_resource type="Texture2D" uid="uid://7l7aqhsaexoh" path="res://resource/sprite/ui/commonIcon/Play.png" id="6_75xjp"]
 [ext_resource type="Script" path="res://src/game/ui/tileSetEditorCombination/leftTop/TileEditCombination.cs" id="6_bb3jf"]
 [ext_resource type="Texture2D" uid="uid://bn47bmilcw4x0" path="res://resource/sprite/ui/commonIcon/Select2.png" id="6_g5ey6"]
 [ext_resource type="Script" path="res://src/game/ui/tileSetEditorCombination/right/TileSelected.cs" id="6_gql80"]
+[ext_resource type="Texture2D" uid="uid://d2wslibovwv7w" path="res://resource/sprite/ui/commonIcon/CenterTool.png" id="7_mbnpy"]
 
 [sub_resource type="ShaderMaterial" id="ShaderMaterial_df7va"]
 resource_local_to_scene = true
@@ -89,8 +93,12 @@
 scale = Vector2(3, 3)
 mouse_filter = 2
 
+[node name="CanvasRoot" type="Node2D" parent="HSplitContainer/VSplitContainer/LeftTop/MarginContainer/LeftTopBg/CombinationRoot"]
+
 [node name="BrushRoot" type="Node2D" parent="HSplitContainer/VSplitContainer/LeftTop/MarginContainer/LeftTopBg/CombinationRoot"]
-z_index = 1
+
+[node name="RectBrush" type="Node2D" parent="HSplitContainer/VSplitContainer/LeftTop/MarginContainer/LeftTopBg/CombinationRoot"]
+script = ExtResource("3_avikb")
 
 [node name="Grid" type="ColorRect" parent="HSplitContainer/VSplitContainer/LeftTop/MarginContainer/LeftTopBg"]
 material = SubResource("ShaderMaterial_df7va")
@@ -102,6 +110,52 @@
 grow_vertical = 2
 mouse_filter = 2
 
+[node name="FocusBtn" type="TextureButton" parent="HSplitContainer/VSplitContainer/LeftTop/MarginContainer/LeftTopBg"]
+layout_mode = 1
+anchors_preset = 1
+anchor_left = 1.0
+anchor_right = 1.0
+offset_left = -79.0
+offset_top = 14.0
+offset_right = -15.0
+offset_bottom = 78.0
+grow_horizontal = 0
+tooltip_text = "聚焦"
+texture_normal = ExtResource("7_mbnpy")
+ignore_texture_size = true
+stretch_mode = 5
+
+[node name="DeleteBtn" type="TextureButton" parent="HSplitContainer/VSplitContainer/LeftTop/MarginContainer/LeftTopBg"]
+layout_mode = 1
+anchors_preset = 1
+anchor_left = 1.0
+anchor_right = 1.0
+offset_left = -151.0
+offset_top = 14.0
+offset_right = -87.0
+offset_bottom = 78.0
+grow_horizontal = 0
+tooltip_text = "删除所有图块"
+texture_normal = ExtResource("5_6jqro")
+ignore_texture_size = true
+stretch_mode = 5
+
+[node name="ImportBtn" type="Button" parent="HSplitContainer/VSplitContainer/LeftTop/MarginContainer/LeftTopBg"]
+layout_mode = 1
+anchors_preset = 3
+anchor_left = 1.0
+anchor_top = 1.0
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_left = -191.0
+offset_top = -84.0
+offset_right = -15.0
+offset_bottom = -20.0
+grow_horizontal = 0
+grow_vertical = 0
+text = "导入组合"
+icon = ExtResource("6_75xjp")
+
 [node name="LeftBottom" type="Panel" parent="HSplitContainer/VSplitContainer"]
 layout_mode = 2
 size_flags_horizontal = 3
@@ -180,6 +234,21 @@
 grow_vertical = 2
 mouse_filter = 2
 
+[node name="FocusBtn" type="TextureButton" parent="HSplitContainer/VSplitContainer/LeftBottom/MarginContainer/LeftBottomBg"]
+layout_mode = 1
+anchors_preset = 1
+anchor_left = 1.0
+anchor_right = 1.0
+offset_left = -79.0
+offset_top = 14.0
+offset_right = -15.0
+offset_bottom = 78.0
+grow_horizontal = 0
+tooltip_text = "聚焦"
+texture_normal = ExtResource("7_mbnpy")
+ignore_texture_size = true
+stretch_mode = 5
+
 [node name="Right" type="Panel" parent="HSplitContainer"]
 layout_mode = 2
 size_flags_horizontal = 3
diff --git a/DungeonShooting_Godot/resource/sprite/ui/commonIcon/CenterTool.png b/DungeonShooting_Godot/resource/sprite/ui/commonIcon/CenterTool.png
index d980ce2..0ecd99e 100644
--- a/DungeonShooting_Godot/resource/sprite/ui/commonIcon/CenterTool.png
+++ b/DungeonShooting_Godot/resource/sprite/ui/commonIcon/CenterTool.png
Binary files differ
diff --git a/DungeonShooting_Godot/resource/sprite/ui/commonIcon/Delete2.png b/DungeonShooting_Godot/resource/sprite/ui/commonIcon/Delete2.png
new file mode 100644
index 0000000..dc4c9f9
--- /dev/null
+++ b/DungeonShooting_Godot/resource/sprite/ui/commonIcon/Delete2.png
Binary files differ
diff --git a/DungeonShooting_Godot/resource/sprite/ui/commonIcon/Delete2.png.import b/DungeonShooting_Godot/resource/sprite/ui/commonIcon/Delete2.png.import
new file mode 100644
index 0000000..7130c78
--- /dev/null
+++ b/DungeonShooting_Godot/resource/sprite/ui/commonIcon/Delete2.png.import
@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://fkg21rtph51d"
+path="res://.godot/imported/Delete2.png-171dd9a0d65da0bd6c6e0b2740c3d2b7.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://resource/sprite/ui/commonIcon/Delete2.png"
+dest_files=["res://.godot/imported/Delete2.png-171dd9a0d65da0bd6c6e0b2740c3d2b7.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
diff --git a/DungeonShooting_Godot/src/game/event/EventEnum.cs b/DungeonShooting_Godot/src/game/event/EventEnum.cs
index b133ecd..431226d 100644
--- a/DungeonShooting_Godot/src/game/event/EventEnum.cs
+++ b/DungeonShooting_Godot/src/game/event/EventEnum.cs
@@ -161,6 +161,10 @@
     /// </summary>
     OnSelectCombinationCell,
     /// <summary>
+    /// 移除组合模式下的Cell图块, 参数为<see cref="Godot.Vector2I"/>
+    /// </summary>
+    OnRemoveCombinationCell,
+    /// <summary>
     /// 清除组合模式下的Cell图块
     /// </summary>
     OnClearCombinationCell,
diff --git a/DungeonShooting_Godot/src/game/ui/tileSetEditorCombination/GridBg.cs b/DungeonShooting_Godot/src/game/ui/tileSetEditorCombination/GridBg.cs
index 4606c98..010b153 100644
--- a/DungeonShooting_Godot/src/game/ui/tileSetEditorCombination/GridBg.cs
+++ b/DungeonShooting_Godot/src/game/ui/tileSetEditorCombination/GridBg.cs
@@ -14,7 +14,7 @@
     {
         UiNode = (T)uiNode;
         _dragBinder = DragUiManager.BindDrag(this, "mouse_middle", OnDrag);
-        Resized += OnLeftBgResize;
+        Resized += RefreshGridTrans;
     }
 
     public virtual void OnDestroy()
@@ -27,36 +27,28 @@
     /// </summary>
     public void OnShow()
     {
-        OnLeftBgResize();
+        RefreshGridTrans();
     }
 
-    public override void _UnhandledInput(InputEvent @event)
+    public override void _GuiInput(InputEvent @event)
     {
-        //Ui未打开
-        var uiPanel = UiNode.GetUiPanel();
-        if (!uiPanel.IsOpen)
-        {
-            return;
-        }
         if (@event is InputEventMouseButton mouseButton)
         {
-            if (uiPanel.IsOpen)
+            AcceptEvent();
+            if (mouseButton.ButtonIndex == MouseButton.WheelDown)
             {
-                if (mouseButton.ButtonIndex == MouseButton.WheelDown)
+                if (GetGlobalRect().HasPoint(mouseButton.GlobalPosition))
                 {
-                    if (GetGlobalRect().HasPoint(mouseButton.GlobalPosition))
-                    {
-                        //缩小
-                        Shrink();
-                    }
+                    //缩小
+                    Shrink();
                 }
-                else if (mouseButton.ButtonIndex == MouseButton.WheelUp)
+            }
+            else if (mouseButton.ButtonIndex == MouseButton.WheelUp)
+            {
+                if (GetGlobalRect().HasPoint(mouseButton.GlobalPosition))
                 {
-                    if (GetGlobalRect().HasPoint(mouseButton.GlobalPosition))
-                    {
-                        //放大
-                        Magnify();
-                    }
+                    //放大
+                    Magnify();
                 }
             }
         }
@@ -97,13 +89,15 @@
         if (state == DragState.DragMove)
         {
             ContainerRoot.Position += pos;
-            OnLeftBgResize();
+            RefreshGridTrans();
         }
     }
     
     
-    //背景宽度变化
-    private void OnLeftBgResize()
+    /// <summary>
+    /// 刷新背景网格位置和缩放
+    /// </summary>
+    public void RefreshGridTrans()
     {
         Grid.Material.SetShaderMaterialParameter(ShaderParamNames.Size, Size);
         SetGridTransform(ContainerRoot.Position, ContainerRoot.Scale.X);
diff --git a/DungeonShooting_Godot/src/game/ui/tileSetEditorCombination/TileSetEditorCombination.cs b/DungeonShooting_Godot/src/game/ui/tileSetEditorCombination/TileSetEditorCombination.cs
index 3e5b17b..89feacd 100644
--- a/DungeonShooting_Godot/src/game/ui/tileSetEditorCombination/TileSetEditorCombination.cs
+++ b/DungeonShooting_Godot/src/game/ui/tileSetEditorCombination/TileSetEditorCombination.cs
@@ -32,6 +32,15 @@
     }
 
     /// <summary>
+    /// 类型: <see cref="Godot.Node2D"/>, 路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftTop.MarginContainer.LeftTopBg.CombinationRoot.CanvasRoot
+    /// </summary>
+    public class CanvasRoot : UiNode<TileSetEditorCombinationPanel, Godot.Node2D, CanvasRoot>
+    {
+        public CanvasRoot(TileSetEditorCombinationPanel uiPanel, Godot.Node2D node) : base(uiPanel, node) {  }
+        public override CanvasRoot Clone() => new (UiPanel, (Godot.Node2D)Instance.Duplicate());
+    }
+
+    /// <summary>
     /// 类型: <see cref="Godot.Node2D"/>, 路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftTop.MarginContainer.LeftTopBg.CombinationRoot.BrushRoot
     /// </summary>
     public class BrushRoot : UiNode<TileSetEditorCombinationPanel, Godot.Node2D, BrushRoot>
@@ -41,11 +50,33 @@
     }
 
     /// <summary>
+    /// 类型: <see cref="UI.TileSetEditorCombination.RectBrush"/>, 路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftTop.MarginContainer.LeftTopBg.CombinationRoot.RectBrush
+    /// </summary>
+    public class RectBrush : UiNode<TileSetEditorCombinationPanel, UI.TileSetEditorCombination.RectBrush, RectBrush>
+    {
+        public RectBrush(TileSetEditorCombinationPanel uiPanel, UI.TileSetEditorCombination.RectBrush node) : base(uiPanel, node) {  }
+        public override RectBrush Clone() => new (UiPanel, (UI.TileSetEditorCombination.RectBrush)Instance.Duplicate());
+    }
+
+    /// <summary>
     /// 类型: <see cref="Godot.Control"/>, 路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftTop.MarginContainer.LeftTopBg.CombinationRoot
     /// </summary>
     public class CombinationRoot : UiNode<TileSetEditorCombinationPanel, Godot.Control, CombinationRoot>
     {
         /// <summary>
+        /// 使用 Instance 属性获取当前节点实例对象, 节点类型: <see cref="Godot.Node2D"/>, 节点路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftTop.MarginContainer.LeftTopBg.CanvasRoot
+        /// </summary>
+        public CanvasRoot L_CanvasRoot
+        {
+            get
+            {
+                if (_L_CanvasRoot == null) _L_CanvasRoot = new CanvasRoot(UiPanel, Instance.GetNode<Godot.Node2D>("CanvasRoot"));
+                return _L_CanvasRoot;
+            }
+        }
+        private CanvasRoot _L_CanvasRoot;
+
+        /// <summary>
         /// 使用 Instance 属性获取当前节点实例对象, 节点类型: <see cref="Godot.Node2D"/>, 节点路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftTop.MarginContainer.LeftTopBg.BrushRoot
         /// </summary>
         public BrushRoot L_BrushRoot
@@ -58,6 +89,19 @@
         }
         private BrushRoot _L_BrushRoot;
 
+        /// <summary>
+        /// 使用 Instance 属性获取当前节点实例对象, 节点类型: <see cref="UI.TileSetEditorCombination.RectBrush"/>, 节点路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftTop.MarginContainer.LeftTopBg.RectBrush
+        /// </summary>
+        public RectBrush L_RectBrush
+        {
+            get
+            {
+                if (_L_RectBrush == null) _L_RectBrush = new RectBrush(UiPanel, Instance.GetNode<UI.TileSetEditorCombination.RectBrush>("RectBrush"));
+                return _L_RectBrush;
+            }
+        }
+        private RectBrush _L_RectBrush;
+
         public CombinationRoot(TileSetEditorCombinationPanel uiPanel, Godot.Control node) : base(uiPanel, node) {  }
         public override CombinationRoot Clone() => new (UiPanel, (Godot.Control)Instance.Duplicate());
     }
@@ -72,6 +116,33 @@
     }
 
     /// <summary>
+    /// 类型: <see cref="Godot.TextureButton"/>, 路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftTop.MarginContainer.LeftTopBg.FocusBtn
+    /// </summary>
+    public class FocusBtn : UiNode<TileSetEditorCombinationPanel, Godot.TextureButton, FocusBtn>
+    {
+        public FocusBtn(TileSetEditorCombinationPanel uiPanel, Godot.TextureButton node) : base(uiPanel, node) {  }
+        public override FocusBtn Clone() => new (UiPanel, (Godot.TextureButton)Instance.Duplicate());
+    }
+
+    /// <summary>
+    /// 类型: <see cref="Godot.TextureButton"/>, 路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftTop.MarginContainer.LeftTopBg.DeleteBtn
+    /// </summary>
+    public class DeleteBtn : UiNode<TileSetEditorCombinationPanel, Godot.TextureButton, DeleteBtn>
+    {
+        public DeleteBtn(TileSetEditorCombinationPanel uiPanel, Godot.TextureButton node) : base(uiPanel, node) {  }
+        public override DeleteBtn Clone() => new (UiPanel, (Godot.TextureButton)Instance.Duplicate());
+    }
+
+    /// <summary>
+    /// 类型: <see cref="Godot.Button"/>, 路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftTop.MarginContainer.LeftTopBg.ImportBtn
+    /// </summary>
+    public class ImportBtn : UiNode<TileSetEditorCombinationPanel, Godot.Button, ImportBtn>
+    {
+        public ImportBtn(TileSetEditorCombinationPanel uiPanel, Godot.Button node) : base(uiPanel, node) {  }
+        public override ImportBtn Clone() => new (UiPanel, (Godot.Button)Instance.Duplicate());
+    }
+
+    /// <summary>
     /// 类型: <see cref="UI.TileSetEditorCombination.TileEditCombination"/>, 路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftTop.MarginContainer.LeftTopBg
     /// </summary>
     public class LeftTopBg : UiNode<TileSetEditorCombinationPanel, UI.TileSetEditorCombination.TileEditCombination, LeftTopBg>
@@ -102,6 +173,45 @@
         }
         private Grid _L_Grid;
 
+        /// <summary>
+        /// 使用 Instance 属性获取当前节点实例对象, 节点类型: <see cref="Godot.TextureButton"/>, 节点路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftTop.MarginContainer.FocusBtn
+        /// </summary>
+        public FocusBtn L_FocusBtn
+        {
+            get
+            {
+                if (_L_FocusBtn == null) _L_FocusBtn = new FocusBtn(UiPanel, Instance.GetNode<Godot.TextureButton>("FocusBtn"));
+                return _L_FocusBtn;
+            }
+        }
+        private FocusBtn _L_FocusBtn;
+
+        /// <summary>
+        /// 使用 Instance 属性获取当前节点实例对象, 节点类型: <see cref="Godot.TextureButton"/>, 节点路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftTop.MarginContainer.DeleteBtn
+        /// </summary>
+        public DeleteBtn L_DeleteBtn
+        {
+            get
+            {
+                if (_L_DeleteBtn == null) _L_DeleteBtn = new DeleteBtn(UiPanel, Instance.GetNode<Godot.TextureButton>("DeleteBtn"));
+                return _L_DeleteBtn;
+            }
+        }
+        private DeleteBtn _L_DeleteBtn;
+
+        /// <summary>
+        /// 使用 Instance 属性获取当前节点实例对象, 节点类型: <see cref="Godot.Button"/>, 节点路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftTop.MarginContainer.ImportBtn
+        /// </summary>
+        public ImportBtn L_ImportBtn
+        {
+            get
+            {
+                if (_L_ImportBtn == null) _L_ImportBtn = new ImportBtn(UiPanel, Instance.GetNode<Godot.Button>("ImportBtn"));
+                return _L_ImportBtn;
+            }
+        }
+        private ImportBtn _L_ImportBtn;
+
         public LeftTopBg(TileSetEditorCombinationPanel uiPanel, UI.TileSetEditorCombination.TileEditCombination node) : base(uiPanel, node) {  }
         public override LeftTopBg Clone() => new (UiPanel, (UI.TileSetEditorCombination.TileEditCombination)Instance.Duplicate());
     }
@@ -235,6 +345,15 @@
     }
 
     /// <summary>
+    /// 类型: <see cref="Godot.TextureButton"/>, 路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftBottom.MarginContainer.LeftBottomBg.FocusBtn
+    /// </summary>
+    public class FocusBtn_1 : UiNode<TileSetEditorCombinationPanel, Godot.TextureButton, FocusBtn_1>
+    {
+        public FocusBtn_1(TileSetEditorCombinationPanel uiPanel, Godot.TextureButton node) : base(uiPanel, node) {  }
+        public override FocusBtn_1 Clone() => new (UiPanel, (Godot.TextureButton)Instance.Duplicate());
+    }
+
+    /// <summary>
     /// 类型: <see cref="UI.TileSetEditorCombination.TileEditArea"/>, 路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftBottom.MarginContainer.LeftBottomBg
     /// </summary>
     public class LeftBottomBg : UiNode<TileSetEditorCombinationPanel, UI.TileSetEditorCombination.TileEditArea, LeftBottomBg>
@@ -265,6 +384,19 @@
         }
         private Grid_1 _L_Grid;
 
+        /// <summary>
+        /// 使用 Instance 属性获取当前节点实例对象, 节点类型: <see cref="Godot.TextureButton"/>, 节点路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftBottom.MarginContainer.FocusBtn
+        /// </summary>
+        public FocusBtn_1 L_FocusBtn
+        {
+            get
+            {
+                if (_L_FocusBtn == null) _L_FocusBtn = new FocusBtn_1(UiPanel, Instance.GetNode<Godot.TextureButton>("FocusBtn"));
+                return _L_FocusBtn;
+            }
+        }
+        private FocusBtn_1 _L_FocusBtn;
+
         public LeftBottomBg(TileSetEditorCombinationPanel uiPanel, UI.TileSetEditorCombination.TileEditArea node) : base(uiPanel, node) {  }
         public override LeftBottomBg Clone() => new (UiPanel, (UI.TileSetEditorCombination.TileEditArea)Instance.Duplicate());
     }
@@ -570,16 +702,36 @@
 
 
     /// <summary>
+    /// 场景中唯一名称的节点, 节点类型: <see cref="Godot.Node2D"/>, 节点路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftTop.MarginContainer.LeftTopBg.CombinationRoot.CanvasRoot
+    /// </summary>
+    public CanvasRoot S_CanvasRoot => L_HSplitContainer.L_VSplitContainer.L_LeftTop.L_MarginContainer.L_LeftTopBg.L_CombinationRoot.L_CanvasRoot;
+
+    /// <summary>
     /// 场景中唯一名称的节点, 节点类型: <see cref="Godot.Node2D"/>, 节点路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftTop.MarginContainer.LeftTopBg.CombinationRoot.BrushRoot
     /// </summary>
     public BrushRoot S_BrushRoot => L_HSplitContainer.L_VSplitContainer.L_LeftTop.L_MarginContainer.L_LeftTopBg.L_CombinationRoot.L_BrushRoot;
 
     /// <summary>
+    /// 场景中唯一名称的节点, 节点类型: <see cref="UI.TileSetEditorCombination.RectBrush"/>, 节点路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftTop.MarginContainer.LeftTopBg.CombinationRoot.RectBrush
+    /// </summary>
+    public RectBrush S_RectBrush => L_HSplitContainer.L_VSplitContainer.L_LeftTop.L_MarginContainer.L_LeftTopBg.L_CombinationRoot.L_RectBrush;
+
+    /// <summary>
     /// 场景中唯一名称的节点, 节点类型: <see cref="Godot.Control"/>, 节点路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftTop.MarginContainer.LeftTopBg.CombinationRoot
     /// </summary>
     public CombinationRoot S_CombinationRoot => L_HSplitContainer.L_VSplitContainer.L_LeftTop.L_MarginContainer.L_LeftTopBg.L_CombinationRoot;
 
     /// <summary>
+    /// 场景中唯一名称的节点, 节点类型: <see cref="Godot.TextureButton"/>, 节点路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftTop.MarginContainer.LeftTopBg.DeleteBtn
+    /// </summary>
+    public DeleteBtn S_DeleteBtn => L_HSplitContainer.L_VSplitContainer.L_LeftTop.L_MarginContainer.L_LeftTopBg.L_DeleteBtn;
+
+    /// <summary>
+    /// 场景中唯一名称的节点, 节点类型: <see cref="Godot.Button"/>, 节点路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftTop.MarginContainer.LeftTopBg.ImportBtn
+    /// </summary>
+    public ImportBtn S_ImportBtn => L_HSplitContainer.L_VSplitContainer.L_LeftTop.L_MarginContainer.L_LeftTopBg.L_ImportBtn;
+
+    /// <summary>
     /// 场景中唯一名称的节点, 节点类型: <see cref="UI.TileSetEditorCombination.TileEditCombination"/>, 节点路径: TileSetEditorCombination.HSplitContainer.VSplitContainer.LeftTop.MarginContainer.LeftTopBg
     /// </summary>
     public LeftTopBg S_LeftTopBg => L_HSplitContainer.L_VSplitContainer.L_LeftTop.L_MarginContainer.L_LeftTopBg;
diff --git a/DungeonShooting_Godot/src/game/ui/tileSetEditorCombination/leftBottom/TileEditArea.cs b/DungeonShooting_Godot/src/game/ui/tileSetEditorCombination/leftBottom/TileEditArea.cs
index ec72cdd..76f6f29 100644
--- a/DungeonShooting_Godot/src/game/ui/tileSetEditorCombination/leftBottom/TileEditArea.cs
+++ b/DungeonShooting_Godot/src/game/ui/tileSetEditorCombination/leftBottom/TileEditArea.cs
@@ -21,6 +21,9 @@
         _maskGrid = new UiGrid<TileSetEditorCombination.MaskRect, bool>(UiNode.L_TileTexture.L_MaskRoot.L_MaskRect, typeof(MaskRectCell));
         _maskGrid.SetCellOffset(Vector2I.Zero);
         _maskGrid.GridContainer.MouseFilter = MouseFilterEnum.Ignore;
+
+        //聚焦按钮点击
+        UiNode.L_FocusBtn.Instance.Pressed += OnFocusClick;
     }
 
     public override void OnDestroy()
@@ -29,31 +32,52 @@
         _maskGrid.Destroy();
     }
 
-    public override void _Process(double delta)
+    public override void _GuiInput(InputEvent @event)
     {
-        //Ui未打开
-        if (!UiNode.UiPanel.IsOpen)
+        base._GuiInput(@event);
+        if (@event is InputEventMouse)
         {
-            return;
-        }
-
-        if (Input.IsMouseButtonPressed(MouseButton.Left)) //左键选中
-        {
-            if (this.IsMouseInRect())
+            AcceptEvent();
+            if (Input.IsMouseButtonPressed(MouseButton.Left)) //左键选中
             {
                 var cellPosition = GetMouseCellPosition();
                 if (UiNode.UiPanel.EditorPanel.IsCellPositionInTexture(cellPosition))
                 {
                     if (Input.IsActionJustPressed("mouse_left")) //刚按下, 清除之前的选中
                     {
-                        OnRemoveCell();
+                        OnClearCell();
                     }
                     OnSelectCell(cellPosition);
                 }
             }
+            else if (Input.IsMouseButtonPressed(MouseButton.Right)) //右键键擦除
+            {
+                var cellPosition = GetMouseCellPosition();
+                if (UiNode.UiPanel.EditorPanel.IsCellPositionInTexture(cellPosition))
+                {
+                    OnRemoveCell(cellPosition);
+                }
+            }
         }
     }
 
+    //聚焦按钮点击
+    private void OnFocusClick()
+    {
+        var pos = Size / 2;
+        var texture = UiNode.L_TileTexture.Instance.Texture;
+        if (texture != null)
+        {
+            ContainerRoot.Position = pos - texture.GetSize() * 0.5f * ContainerRoot.Scale;
+        }
+        else
+        {
+            ContainerRoot.Position = pos;
+        }
+
+        RefreshGridTrans();
+    }
+
     /// <summary>
     /// 选中Cell图块
     /// </summary>
@@ -74,9 +98,28 @@
     }
 
     /// <summary>
-    /// 移除选中的Cell图块
+    /// 移除指定的Cell图块
     /// </summary>
-    private void OnRemoveCell()
+    private void OnRemoveCell(Vector2I cell)
+    {
+        if (_useMask.Contains(cell))
+        {
+            var cellIndex = UiNode.UiPanel.EditorPanel.CellPositionToIndex(cell);
+            var uiCell = _maskGrid.GetCell(cellIndex);
+            if (uiCell != null && uiCell.Data)
+            {
+                _useMask.Remove(cell);
+                uiCell.SetData(false);
+                
+                EventManager.EmitEvent(EventEnum.OnRemoveCombinationCell, cell);
+            }
+        }
+    }
+    
+    /// <summary>
+    /// 移除所有选中的Cell图块
+    /// </summary>
+    private void OnClearCell()
     {
         _useMask.Clear();
         var count = _maskGrid.Count;
@@ -110,6 +153,8 @@
                 _maskGrid.Add(false);
             }
         }
+
+        OnFocusClick();
     }
     
     /// <summary>
diff --git a/DungeonShooting_Godot/src/game/ui/tileSetEditorCombination/leftTop/RectBrush.cs b/DungeonShooting_Godot/src/game/ui/tileSetEditorCombination/leftTop/RectBrush.cs
new file mode 100644
index 0000000..7f9253a
--- /dev/null
+++ b/DungeonShooting_Godot/src/game/ui/tileSetEditorCombination/leftTop/RectBrush.cs
@@ -0,0 +1,75 @@
+using Godot;
+
+namespace UI.TileSetEditorCombination;
+
+public partial class RectBrush : Node2D
+{
+    /// <summary>
+    /// 所在的根节点
+    /// </summary>
+    public Control Root { get; set; }
+
+    private bool _drawFlag = false;
+    private int _x;
+    private int _y;
+    private int _w;
+    private int _h;
+    
+    public override void _Process(double delta)
+    {
+        QueueRedraw();
+    }
+
+    /// <summary>
+    /// 停止绘制
+    /// </summary>
+    public void ClearDrawRect()
+    {
+        _drawFlag = false;
+    }
+
+    /// <summary>
+    /// 设置绘制的矩形区域
+    /// </summary>
+    public void SetDrawRect(int x, int y, int w, int h)
+    {
+        _drawFlag = true;
+        _x = x;
+        _y = y;
+        _w = w;
+        _h = h;
+    }
+
+    /// <summary>
+    /// 获取中心点坐标
+    /// </summary>
+    public Vector2I GetCenterPosition()
+    {
+        if (!_drawFlag)
+        {
+            return Vector2I.Zero;
+        }
+        return new Vector2I(_x + _w / 2, _y + _h / 2);
+    }
+
+    /// <summary>
+    /// 获取绘制的矩形大小
+    /// </summary>
+    public Vector2I GetRectSize()
+    {
+        if (!_drawFlag)
+        {
+            return Vector2I.Zero;
+        }
+
+        return new Vector2I(_w, _h);
+    }
+
+    public override void _Draw()
+    {
+        if (Root != null && _drawFlag)
+        {
+            DrawRect(new Rect2(_x, _y, _w, _h), new Color(1, 1, 0, 0.5f), false, 2f / Root.Scale.X);
+        }
+    }
+}
\ No newline at end of file
diff --git a/DungeonShooting_Godot/src/game/ui/tileSetEditorCombination/leftTop/TileEditCombination.cs b/DungeonShooting_Godot/src/game/ui/tileSetEditorCombination/leftTop/TileEditCombination.cs
index 9fc4298..751e698 100644
--- a/DungeonShooting_Godot/src/game/ui/tileSetEditorCombination/leftTop/TileEditCombination.cs
+++ b/DungeonShooting_Godot/src/game/ui/tileSetEditorCombination/leftTop/TileEditCombination.cs
@@ -1,12 +1,15 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using Godot;
 
 namespace UI.TileSetEditorCombination;
 
 public partial class TileEditCombination : GridBg<TileSetEditorCombination.LeftTopBg>
 {
-    //kay: 代表原图中的坐标, 单位: 格
+    // ------------------------------- 笔刷相关 -------------------------------
+    //笔刷数据, kay: 代表原图中的坐标, 单位: 格
     private Dictionary<Vector2I, CombinationCell> _brushData = new Dictionary<Vector2I, CombinationCell>();
+
     //笔刷偏移, 单位: 像素
     private Vector2I _brushOffset = Vector2I.Zero;
     //上一帧笔刷位置
@@ -17,17 +20,33 @@
     private int _yStart = int.MaxValue;
     private int _xEnd = int.MinValue;
     private int _yEnd = int.MinValue;
-
-    private Dictionary<Vector2I, CombinationCell> _canvas = new Dictionary<Vector2I, CombinationCell>();
+    // -----------------------------------------------------------------------
     
+    // ------------------------------- 画布相关 -------------------------------
+    //画布数据, kay: 绘制坐标, 单位: 像素
+    private Dictionary<Vector2I, CombinationCell> _canvas = new Dictionary<Vector2I, CombinationCell>();
+    //画布数据是否需要更新
+    private bool _canvasDirty = false;
+    // -----------------------------------------------------------------------
+
+
     public override void SetUiNode(IUiNode uiNode)
     {
         base.SetUiNode(uiNode);
+        UiNode.L_CombinationRoot.L_RectBrush.Instance.Root = UiNode.L_CombinationRoot.Instance;
         Grid = UiNode.L_Grid.Instance;
         ContainerRoot = UiNode.L_CombinationRoot.Instance;
-        
+
         UiNode.UiPanel.AddEventListener(EventEnum.OnSelectCombinationCell, OnSelectCombinationCell);
+        UiNode.UiPanel.AddEventListener(EventEnum.OnRemoveCombinationCell, OnRemoveCombinationCell);
         UiNode.UiPanel.AddEventListener(EventEnum.OnClearCombinationCell, OnClearCombinationCell);
+
+        //删除按钮点击事件
+        UiNode.L_DeleteBtn.Instance.Pressed += OnDeleteClick;
+        //聚焦按钮点击事件
+        UiNode.L_FocusBtn.Instance.Pressed += OnFocusClick;
+        //导入组合按钮点击事件
+        UiNode.L_ImportBtn.Instance.Pressed += OnImportClick;
     }
 
     public override void _Process(double delta)
@@ -39,22 +58,122 @@
 
         var brushRoot = UiNode.L_CombinationRoot.L_BrushRoot.Instance;
         var combinationRoot = UiNode.L_CombinationRoot.Instance;
-        Vector2 newPos = combinationRoot.GetLocalMousePosition().FloorAdsorption(GameConfig.TileCellSizeVector2I) + _brushOffset;
-        brushRoot.Position = newPos;
+        brushRoot.Position = combinationRoot.GetLocalMousePosition().FloorAdsorption(GameConfig.TileCellSizeVector2I) + _brushOffset;
 
-        //左键按下开始绘制
-        if (_initBrush && Input.IsMouseButtonPressed(MouseButton.Left) && this.IsMouseInRect())
+        if (_canvasDirty) //更新画布范围
         {
-            if (_brushPrevPos != newPos || !_drawBrushFlag)
+            _canvasDirty = false;
+            if (_canvas.Count > 0)
             {
-                _drawBrushFlag = true;
-                _brushPrevPos = newPos;
-                DrawBrush();
+                //单位: 像素
+                var canvasXStart = int.MaxValue;
+                var canvasYStart = int.MaxValue;
+                var canvasXEnd = int.MinValue;
+                var canvasYEnd = int.MinValue;
+
+                foreach (var keyValuePair in _canvas)
+                {
+                    var pos = keyValuePair.Key;
+                    canvasXStart = Mathf.Min(pos.X, canvasXStart);
+                    canvasYStart = Mathf.Min(pos.Y, canvasYStart);
+                    canvasXEnd = Mathf.Max(pos.X + GameConfig.TileCellSize, canvasXEnd);
+                    canvasYEnd = Mathf.Max(pos.Y + GameConfig.TileCellSize, canvasYEnd);
+                }
+                
+                UiNode.L_CombinationRoot.L_RectBrush.Instance.SetDrawRect(
+                    canvasXStart,
+                    canvasYStart,
+                    canvasXEnd - canvasXStart,
+                    canvasYEnd - canvasYStart
+                );
+            }
+            else
+            {
+                UiNode.L_CombinationRoot.L_RectBrush.Instance.ClearDrawRect();
             }
         }
-        else
+    }
+
+    public override void _GuiInput(InputEvent @event)
+    {
+        base._GuiInput(@event);
+        if (@event is InputEventMouse)
         {
-            _drawBrushFlag = false;
+            AcceptEvent();
+            var brushRoot = UiNode.L_CombinationRoot.L_BrushRoot.Instance;
+            var newPos = brushRoot.Position;
+            
+            sbyte flag = 0;
+            //左键按下开始绘制
+            if (_initBrush)
+            {
+                if (Input.IsMouseButtonPressed(MouseButton.Left)) //绘制
+                {
+                    flag = 1;
+                    if (_brushPrevPos != newPos || !_drawBrushFlag)
+                    {
+                        _drawBrushFlag = true;
+                        _brushPrevPos = newPos;
+                        DrawBrush();
+                    }
+                }
+                else if (Input.IsMouseButtonPressed(MouseButton.Right)) //擦除
+                {
+                    flag = -1;
+                    brushRoot.Modulate = new Color(1, 1, 1, 0.3f);
+                    if (_brushPrevPos != newPos || !_drawBrushFlag)
+                    {
+                        _drawBrushFlag = true;
+                        _brushPrevPos = newPos;
+                        EraseBrush();
+                    }
+                }
+            }
+
+            if (flag != 0)
+            {
+                _drawBrushFlag = false;
+            }
+
+            if (flag != -1)
+            {
+                brushRoot.Modulate = Colors.White;
+            }
+        }
+    }
+
+    //删除所有图块
+    private void OnDeleteClick()
+    {
+        foreach (var keyValuePair in _canvas)
+        {
+            keyValuePair.Value.QueueFree();
+        }
+
+        _canvas.Clear();
+        _canvasDirty = true;
+    }
+    
+    //点击聚焦按钮
+    private void OnFocusClick()
+    {
+        var pos = Size / 2;
+        var center = UiNode.L_CombinationRoot.L_RectBrush.Instance.GetCenterPosition();
+        ContainerRoot.Position = pos - center * ContainerRoot.Scale;
+        RefreshGridTrans();
+    }
+    
+    //导入按钮点击
+    private void OnImportClick()
+    {
+        var size = UiNode.L_CombinationRoot.L_RectBrush.Instance.GetRectSize();
+        if (size == Vector2.Zero)
+        {
+            EditorWindowManager.ShowTips("警告", "请先绘制组合图块！");
+        }
+        else if (size == GameConfig.TileCellSizeVector2I)
+        {
+            EditorWindowManager.ShowTips("警告", "导入一格大小的组合图块没有任何意义！");
         }
     }
     
@@ -74,8 +193,26 @@
             {
                 canvasCell = (CombinationCell)combinationCell.Duplicate();
                 canvasCell.Position = pos;
-                UiNode.L_CombinationRoot.AddChild(canvasCell);
+                UiNode.L_CombinationRoot.L_CanvasRoot.AddChild(canvasCell);
                 _canvas.Add(pos, canvasCell);
+                _canvasDirty = true;
+            }
+        }
+    }
+
+    //擦除笔刷
+    private void EraseBrush()
+    {
+        var brushRoot = UiNode.L_CombinationRoot.L_BrushRoot.Instance;
+        foreach (var keyValuePair in _brushData)
+        {
+            var combinationCell = keyValuePair.Value;
+            var pos = (combinationCell.Position + brushRoot.Position).AsVector2I();
+            if (_canvas.TryGetValue(pos, out var canvasCell))
+            {
+                canvasCell.QueueFree();
+                _canvas.Remove(pos);
+                _canvasDirty = true;
             }
         }
     }
@@ -102,6 +239,19 @@
     }
     
     //移除组合图块
+    private void OnRemoveCombinationCell(object obj)
+    {
+        if (obj is Vector2I cell)
+        {
+            if (_brushData.TryGetValue(cell, out var cellData))
+            {
+                cellData.QueueFree();
+                _brushData.Remove(cell);
+            }
+        }
+    }
+
+    //移除所有组合图块
     private void OnClearCombinationCell(object obj)
     {
         foreach (var keyValuePair in _brushData)