diff --git a/DungeonShooting_Godot/prefab/ui/TileSetEditorTerrain.tscn b/DungeonShooting_Godot/prefab/ui/TileSetEditorTerrain.tscn
index 449bd53..a436e21 100644
--- a/DungeonShooting_Godot/prefab/ui/TileSetEditorTerrain.tscn
+++ b/DungeonShooting_Godot/prefab/ui/TileSetEditorTerrain.tscn
@@ -1,10 +1,11 @@
-[gd_scene load_steps=14 format=3 uid="uid://dfqb73y4br8yd"]
+[gd_scene load_steps=15 format=3 uid="uid://dfqb73y4br8yd"]
 
 [ext_resource type="Script" path="res://src/game/ui/tileSetEditorTerrain/TileSetEditorTerrainPanel.cs" id="1_6jjk7"]
 [ext_resource type="Texture2D" uid="uid://n4atvj5fkcpg" path="res://resource/sprite/ui/commonIcon/Add.png" id="2_ns54l"]
 [ext_resource type="Script" path="res://src/game/ui/tileSetEditorTerrain/down/TileEditArea.cs" id="2_ynf0r"]
 [ext_resource type="Script" path="res://src/game/common/ui/EditorMaskBrush.cs" id="3_gydh0"]
 [ext_resource type="Texture2D" uid="uid://c5778ntk2rdon" path="res://resource/sprite/ui/commonIcon/Delete.png" id="3_jn1bd"]
+[ext_resource type="Texture2D" uid="uid://dggb6p4sdmfry" path="res://resource/sprite/ui/commonIcon/Edit.png" id="3_xmuhh"]
 [ext_resource type="Texture2D" uid="uid://bn47bmilcw4x0" path="res://resource/sprite/ui/commonIcon/Select2.png" id="4_ka47m"]
 [ext_resource type="Script" path="res://src/game/ui/tileSetEditorTerrain/up/TileEditTerrain.cs" id="5_0x7yx"]
 [ext_resource type="Texture2D" uid="uid://d2wslibovwv7w" path="res://resource/sprite/ui/commonIcon/CenterTool.png" id="5_08bc4"]
@@ -50,7 +51,7 @@
 grow_vertical = 2
 
 [node name="TopTab" type="Panel" parent="VSplitContainer/PanelTop/HSplitContainer"]
-custom_minimum_size = Vector2(250, 0)
+custom_minimum_size = Vector2(270, 0)
 layout_mode = 2
 
 [node name="VBoxContainer" type="VBoxContainer" parent="VSplitContainer/PanelTop/HSplitContainer/TopTab"]
@@ -78,6 +79,10 @@
 layout_mode = 2
 icon = ExtResource("2_ns54l")
 
+[node name="EditButton" type="Button" parent="VSplitContainer/PanelTop/HSplitContainer/TopTab/VBoxContainer/HBoxContainer"]
+layout_mode = 2
+icon = ExtResource("3_xmuhh")
+
 [node name="DeleteButton" type="Button" parent="VSplitContainer/PanelTop/HSplitContainer/TopTab/VBoxContainer/HBoxContainer"]
 layout_mode = 2
 icon = ExtResource("3_jn1bd")
diff --git a/DungeonShooting_Godot/src/game/ui/tileSetEditorTerrain/TileSetEditorTerrain.cs b/DungeonShooting_Godot/src/game/ui/tileSetEditorTerrain/TileSetEditorTerrain.cs
index 66467f8..d87f6ff 100644
--- a/DungeonShooting_Godot/src/game/ui/tileSetEditorTerrain/TileSetEditorTerrain.cs
+++ b/DungeonShooting_Godot/src/game/ui/tileSetEditorTerrain/TileSetEditorTerrain.cs
@@ -63,6 +63,15 @@
     }
 
     /// <summary>
+    /// 类型: <see cref="Godot.Button"/>, 路径: TileSetEditorTerrain.VSplitContainer.PanelTop.HSplitContainer.TopTab.VBoxContainer.HBoxContainer.EditButton
+    /// </summary>
+    public class EditButton : UiNode<TileSetEditorTerrainPanel, Godot.Button, EditButton>
+    {
+        public EditButton(TileSetEditorTerrainPanel uiPanel, Godot.Button node) : base(uiPanel, node) {  }
+        public override EditButton Clone() => new (UiPanel, (Godot.Button)Instance.Duplicate());
+    }
+
+    /// <summary>
     /// 类型: <see cref="Godot.Button"/>, 路径: TileSetEditorTerrain.VSplitContainer.PanelTop.HSplitContainer.TopTab.VBoxContainer.HBoxContainer.DeleteButton
     /// </summary>
     public class DeleteButton : UiNode<TileSetEditorTerrainPanel, Godot.Button, DeleteButton>
@@ -103,6 +112,19 @@
         private AddButton _L_AddButton;
 
         /// <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: TileSetEditorTerrain.VSplitContainer.PanelTop.HSplitContainer.TopTab.VBoxContainer.EditButton
+        /// </summary>
+        public EditButton L_EditButton
+        {
+            get
+            {
+                if (_L_EditButton == null) _L_EditButton = new EditButton(UiPanel, Instance.GetNode<Godot.Button>("EditButton"));
+                return _L_EditButton;
+            }
+        }
+        private EditButton _L_EditButton;
+
+        /// <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: TileSetEditorTerrain.VSplitContainer.PanelTop.HSplitContainer.TopTab.VBoxContainer.DeleteButton
         /// </summary>
         public DeleteButton L_DeleteButton
@@ -839,6 +861,11 @@
     public AddButton S_AddButton => L_VSplitContainer.L_PanelTop.L_HSplitContainer.L_TopTab.L_VBoxContainer.L_HBoxContainer.L_AddButton;
 
     /// <summary>
+    /// 场景中唯一名称的节点, 节点类型: <see cref="Godot.Button"/>, 节点路径: TileSetEditorTerrain.VSplitContainer.PanelTop.HSplitContainer.TopTab.VBoxContainer.HBoxContainer.EditButton
+    /// </summary>
+    public EditButton S_EditButton => L_VSplitContainer.L_PanelTop.L_HSplitContainer.L_TopTab.L_VBoxContainer.L_HBoxContainer.L_EditButton;
+
+    /// <summary>
     /// 场景中唯一名称的节点, 节点类型: <see cref="Godot.Button"/>, 节点路径: TileSetEditorTerrain.VSplitContainer.PanelTop.HSplitContainer.TopTab.VBoxContainer.HBoxContainer.DeleteButton
     /// </summary>
     public DeleteButton S_DeleteButton => L_VSplitContainer.L_PanelTop.L_HSplitContainer.L_TopTab.L_VBoxContainer.L_HBoxContainer.L_DeleteButton;
diff --git a/DungeonShooting_Godot/src/game/ui/tileSetEditorTerrain/TileSetEditorTerrainPanel.cs b/DungeonShooting_Godot/src/game/ui/tileSetEditorTerrain/TileSetEditorTerrainPanel.cs
index bedcdd7..dd75542 100644
--- a/DungeonShooting_Godot/src/game/ui/tileSetEditorTerrain/TileSetEditorTerrainPanel.cs
+++ b/DungeonShooting_Godot/src/game/ui/tileSetEditorTerrain/TileSetEditorTerrainPanel.cs
@@ -72,10 +72,16 @@
         TerrainGridMiddle = InitTopGrid(S_TerrainRoot.L_TerrainTexture2.Instance, GameConfig.TerrainBitMiddle, TileSetTerrainInfo.MiddleLayerType);
         TerrainGridFloor = InitTopGrid(S_TerrainRoot.L_TerrainTexture3.Instance, GameConfig.TerrainBitFloor, TileSetTerrainInfo.FloorLayerType);
 
+        //删除地形按钮
+        S_DeleteButton.Instance.Pressed += OnDeleteTerrainClick;
+        //添加地形按钮
+        S_AddButton.Instance.Pressed += OnAddTerrainClick;
+        
         OnSetTileTexture(EditorPanel.Texture);
         OnChangeTileSetBgColor(EditorPanel.BgColor);
         
         OnChangeTerrainType(-1);
+        //改变选中的地形
         TerrainTabGrid.SelectEvent += OnChangeTerrain;
     }
 
@@ -266,7 +272,7 @@
         if (terrain.TerrainType == 0) //选中47个Terrain
         {
             TerrainGrid3x3.ForEach(cell => SetTerrainCellData(terrain, cell));
-            if (EditorPanel.TileSetSourceIndex == 0) //选中Main Source
+            if (EditorPanel.TileSetSourceIndex == 0 && CurrTerrainIndex == 0) //选中Main Source
             {
                 TerrainGridMiddle.ForEach(cell => SetTerrainCellData(terrain, cell));
                 TerrainGridFloor.ForEach(cell => SetTerrainCellData(terrain, cell));
@@ -292,7 +298,7 @@
     /// </summary>
     private void OnChangeTerrainType(long index)
     {
-        if (EditorPanel.TileSetSourceIndex == 0) //选中 Main Source
+        if (EditorPanel.TileSetSourceIndex == 0 && CurrTerrainIndex == 0) //选中 Main Source
         {
             S_TerrainTexture2.Instance.Visible = true;
             S_TerrainTexture3.Instance.Visible = true;
@@ -331,4 +337,32 @@
             TerrainGrid2x2.Visible = false;
         }
     }
+
+    //删除地形
+    private void OnDeleteTerrainClick()
+    {
+        if (EditorPanel.TileSetSourceIndex == 0 && CurrTerrainIndex == 0) //不能删除 Main Terrain
+        {
+            EditorWindowManager.ShowTips("警告", "不允许删 Main Terrain！");
+            return;
+        }
+
+        var terrain = CurrTerrain;
+        if (terrain != null)
+        {
+            EditorWindowManager.ShowConfirm("提示", $"是否删除地形'{terrain.Name}'？", (v) =>
+            {
+                if (v)
+                {
+                    //执行删除操作
+                }
+            });
+        }
+    }
+
+    //创建地形
+    private void OnAddTerrainClick()
+    {
+        
+    }
 }