diff --git a/.gitignore b/.gitignore
index 586bfbd..8be18fa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
 # Godot 4+ specific ignores
 .godot/
-
+.*/
 bin/
\ No newline at end of file
diff --git a/Asserts/defalutTheme.tres b/Asserts/defalutTheme.tres
new file mode 100644
index 0000000..32a7697
--- /dev/null
+++ b/Asserts/defalutTheme.tres
@@ -0,0 +1,4 @@
+[gd_resource type="Theme" format=3 uid="uid://c53fg2fg071yp"]
+
+[resource]
+default_font_size = 30
diff --git a/Main.cs b/Main.cs
index a12e648..48fb0de 100644
--- a/Main.cs
+++ b/Main.cs
@@ -28,15 +28,35 @@ public partial class Main : Node2D
 	// 	GetNode<Node2D>("Chessboard").Scale = new Vector2(scaleFactor, scaleFactor);
 	// }
 
-		// Called when the node enters the scene tree for the first time.
+	// Called when the node enters the scene tree for the first time.
+	Global global = null;
 	public override void _Ready() {
 		// GetTree().Connect("screen_resized", ResizeChessboardToFitScreen);
 		// Button undo = GetNode<Button>("Undo");
 		// undo.Connect("pressed", (event) => {
 		// });
+
+		// ChessBoard board = GetNodeAndResource("res://res/ChessBoard.tscn");
+		// ChessBoard board1 = GetChild<ChessBoard>(0);
+		// board.Visible = false;
+		// board.Can
+		global = GetNode<Global>("/root/Global");
 	}
 
-	// Called every frame. 'delta' is the elapsed time since the previous frame.
-	public override void _Process(double delta) {
+    // Called every frame. 'delta' is the elapsed time since the previous frame.
+    public override void _Process(double delta) {
+	}
+
+	private void GoToSignlePlayer() {
+		// global.GotoScene("res://Scenes/SinglePlayer.tscn");
+		global.GotoScene("res://Scenes/ChessGame.tscn");
+	}
+
+	private void GoToMultiPlayer() {
+		// global.GotoScene("res://Scenes/MultiPlayer.tscn");
+    	global.GotoScene("res://Scenes/Menu.tscn");
+	}
+
+	private void goToMenu() {
 	}
 }
diff --git a/Main.tscn b/Main.tscn
index fbed594..ec8017c 100644
--- a/Main.tscn
+++ b/Main.tscn
@@ -1,30 +1,50 @@
 [gd_scene load_steps=3 format=3 uid="uid://boa4od72355o4"]
 
 [ext_resource type="Script" path="res://Main.cs" id="1_h4cv2"]
-[ext_resource type="PackedScene" uid="uid://b1tx7v3230wab" path="res://Scenes/Chessboard.tscn" id="2_bx85x"]
+[ext_resource type="Theme" uid="uid://c53fg2fg071yp" path="res://Asserts/defalutTheme.tres" id="2_8jwne"]
 
 [node name="Main" type="Node2D"]
 script = ExtResource("1_h4cv2")
 
-[node name="Chessboard" parent="." instance=ExtResource("2_bx85x")]
-position = Vector2(360, 660)
-scale = Vector2(2.5, 2.5)
+[node name="Control" type="Control" parent="."]
+layout_mode = 3
+anchors_preset = 0
+theme = ExtResource("2_8jwne")
 
-[node name="Undo" type="Button" parent="."]
-offset_left = 200.0
-offset_top = 50.0
-offset_right = 300.0
-offset_bottom = 150.0
-theme_override_font_sizes/font_size = 32
-text = "撤回"
+[node name="SignlePlayer" type="Button" parent="Control"]
+layout_mode = 0
+offset_left = 83.0
+offset_top = 671.0
+offset_right = 298.0
+offset_bottom = 850.0
+text = "单人"
 
-[node name="ReInit" type="Button" parent="."]
-offset_left = 450.0
-offset_top = 50.0
-offset_right = 550.0
-offset_bottom = 150.0
-theme_override_font_sizes/font_size = 32
-text = "重开"
+[node name="MultiPlayer" type="Button" parent="Control"]
+layout_mode = 0
+offset_left = 406.0
+offset_top = 670.0
+offset_right = 612.0
+offset_bottom = 852.0
+text = "多人"
 
-[connection signal="pressed" from="Undo" to="Chessboard" method="undo"]
-[connection signal="pressed" from="ReInit" to="Chessboard" method="redo"]
+[node name="Label" type="Label" parent="Control"]
+layout_mode = 0
+offset_left = 210.0
+offset_top = 312.0
+offset_right = 520.0
+offset_bottom = 498.0
+text = "中国象棋"
+horizontal_alignment = 1
+vertical_alignment = 1
+
+[node name="Setting" type="Button" parent="Control"]
+visible = false
+layout_mode = 0
+offset_left = 249.0
+offset_top = 1034.0
+offset_right = 432.0
+offset_bottom = 1201.0
+text = "设置"
+
+[connection signal="pressed" from="Control/SignlePlayer" to="." method="GoToSignlePlayer"]
+[connection signal="pressed" from="Control/MultiPlayer" to="." method="GoToMultiPlayer"]
diff --git a/Scenes/ChessGame.tscn b/Scenes/ChessGame.tscn
new file mode 100644
index 0000000..ad18976
--- /dev/null
+++ b/Scenes/ChessGame.tscn
@@ -0,0 +1,38 @@
+[gd_scene load_steps=3 format=3 uid="uid://g40y10iaf7qb"]
+
+[ext_resource type="Script" path="res://Scripts/Controllers/ChessGame.cs" id="1_3x8ac"]
+[ext_resource type="PackedScene" uid="uid://b1tx7v3230wab" path="res://Scenes/Entities/Chessboard.tscn" id="1_yheur"]
+
+[node name="ChessGame" type="Node2D"]
+script = ExtResource("1_3x8ac")
+
+[node name="Chessboard" parent="." instance=ExtResource("1_yheur")]
+position = Vector2(360, 660)
+scale = Vector2(2.5, 2.5)
+
+[node name="Undo" type="Button" parent="."]
+offset_left = 200.0
+offset_top = 50.0
+offset_right = 300.0
+offset_bottom = 150.0
+theme_override_font_sizes/font_size = 32
+text = "撤回"
+
+[node name="ReInit" type="Button" parent="."]
+offset_left = 450.0
+offset_top = 50.0
+offset_right = 550.0
+offset_bottom = 150.0
+theme_override_font_sizes/font_size = 32
+text = "重开"
+
+[node name="Home" type="Button" parent="."]
+offset_left = 310.0
+offset_top = 1108.0
+offset_right = 412.0
+offset_bottom = 1226.0
+text = "返回主页"
+
+[connection signal="pressed" from="Undo" to="." method="Undo"]
+[connection signal="pressed" from="ReInit" to="." method="ReInit"]
+[connection signal="pressed" from="Home" to="." method="GoHome"]
diff --git a/Scenes/Chesspiece.tscn b/Scenes/Chesspiece.tscn
deleted file mode 100644
index 044a92f..0000000
--- a/Scenes/Chesspiece.tscn
+++ /dev/null
@@ -1,8 +0,0 @@
-[gd_scene load_steps=2 format=3 uid="uid://gkbtavjf2273"]
-
-[ext_resource type="Script" path="res://Scripts/Entities/ChessPiece.cs" id="2_cj0n3"]
-
-[node name="Chesspiece" type="Node2D"]
-
-[node name="Sprite2D" type="Sprite2D" parent="."]
-script = ExtResource("2_cj0n3")
diff --git a/Scenes/Chessboard.tscn b/Scenes/Entities/Chessboard.tscn
similarity index 100%
rename from Scenes/Chessboard.tscn
rename to Scenes/Entities/Chessboard.tscn
diff --git a/Scenes/Entities/Chesspiece.tscn b/Scenes/Entities/Chesspiece.tscn
new file mode 100644
index 0000000..0f9ab52
--- /dev/null
+++ b/Scenes/Entities/Chesspiece.tscn
@@ -0,0 +1,10 @@
+[gd_scene load_steps=3 format=3 uid="uid://gkbtavjf2273"]
+
+[ext_resource type="Texture2D" uid="uid://bthav6cae4fni" path="res://Asserts/ChesspieceBase.tres" id="1_8v1j6"]
+[ext_resource type="Script" path="res://Scripts/Entities/ChessPiece.cs" id="2_y54gx"]
+
+[node name="Chesspiece" type="Node2D"]
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+texture = ExtResource("1_8v1j6")
+script = ExtResource("2_y54gx")
diff --git a/Scenes/Menu.tscn b/Scenes/Menu.tscn
new file mode 100644
index 0000000..7491be4
--- /dev/null
+++ b/Scenes/Menu.tscn
@@ -0,0 +1,125 @@
+[gd_scene load_steps=3 format=3 uid="uid://cl8nkm6j8s8jh"]
+
+[ext_resource type="Script" path="res://Scripts/Controllers/Menu.cs" id="1_chiyi"]
+[ext_resource type="Theme" uid="uid://c53fg2fg071yp" path="res://Asserts/defalutTheme.tres" id="1_sg40w"]
+
+[node name="Menu" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+theme = ExtResource("1_sg40w")
+script = ExtResource("1_chiyi")
+metadata/_edit_horizontal_guides_ = [141.0]
+
+[node name="Home" type="Button" parent="."]
+layout_mode = 0
+offset_left = 49.0
+offset_top = 100.0
+offset_right = 171.0
+offset_bottom = 170.0
+text = "返回主页"
+
+[node name="Name" type="Control" parent="."]
+anchors_preset = 0
+offset_left = 215.0
+offset_top = 109.0
+offset_right = 697.0
+offset_bottom = 168.0
+
+[node name="Label" type="Label" parent="Name"]
+layout_mode = 2
+offset_left = 2.0
+offset_top = 1.0
+offset_right = 80.0
+offset_bottom = 47.0
+text = "名字"
+horizontal_alignment = 1
+vertical_alignment = 1
+
+[node name="LineEdit" type="LineEdit" parent="Name"]
+layout_mode = 2
+offset_left = 93.0
+offset_right = 320.0
+offset_bottom = 50.0
+
+[node name="Button" type="Button" parent="Name"]
+layout_mode = 0
+offset_left = 340.0
+offset_top = 3.0
+offset_right = 428.0
+offset_bottom = 55.0
+text = "确认修改
+"
+
+[node name="Server" type="Control" parent="."]
+anchors_preset = 0
+offset_left = 19.0
+offset_top = 184.0
+offset_right = 705.0
+offset_bottom = 1198.0
+
+[node name="ItemList" type="ItemList" parent="Server"]
+layout_mode = 0
+offset_top = 120.0
+offset_right = 663.0
+offset_bottom = 965.0
+
+[node name="ConnectServer" type="Button" parent="Server"]
+layout_mode = 0
+offset_left = 297.0
+offset_top = 17.0
+offset_right = 517.0
+offset_bottom = 90.0
+text = "重连服务器"
+
+[node name="Flush" type="Button" parent="Server"]
+layout_mode = 0
+offset_left = 535.0
+offset_top = 17.0
+offset_right = 652.0
+offset_bottom = 81.0
+text = "Flush"
+
+[node name="ColorRect" type="ColorRect" parent="Server"]
+layout_mode = 0
+offset_left = 236.0
+offset_top = 35.0
+offset_right = 276.0
+offset_bottom = 75.0
+
+[node name="Label" type="Label" parent="Server"]
+layout_mode = 0
+offset_left = 19.0
+offset_top = 37.0
+offset_right = 229.0
+offset_bottom = 79.0
+text = "服务器连接状态"
+
+[node name="Dialogs" type="Control" parent="."]
+anchors_preset = 0
+
+[node name="AcceptDialog" type="AcceptDialog" parent="Dialogs"]
+initial_position = 2
+size = Vector2i(100, 118)
+
+[node name="PopupMenu" type="PopupMenu" parent="Dialogs"]
+
+[node name="ConfirmationDialog" type="ConfirmationDialog" parent="Dialogs"]
+initial_position = 2
+size = Vector2i(200, 118)
+
+[node name="URL" type="LineEdit" parent="."]
+layout_mode = 0
+offset_left = 22.0
+offset_top = 1166.0
+offset_right = 662.0
+offset_bottom = 1247.0
+
+[connection signal="pressed" from="Home" to="." method="goToHome"]
+[connection signal="pressed" from="Name/Button" to="." method="EnterName"]
+[connection signal="item_activated" from="Server/ItemList" to="." method="OnItemSelected"]
+[connection signal="pressed" from="Server/ConnectServer" to="." method="Connect"]
+[connection signal="pressed" from="Server/Flush" to="." method="FlushData"]
diff --git a/Scenes/web.tscn b/Scenes/web.tscn
new file mode 100644
index 0000000..aa89323
--- /dev/null
+++ b/Scenes/web.tscn
@@ -0,0 +1,3 @@
+[gd_scene format=3 uid="uid://dp044iptyvvh"]
+
+[node name="Web" type="Node"]
diff --git a/Scripts/Controllers/ChessGame.cs b/Scripts/Controllers/ChessGame.cs
new file mode 100644
index 0000000..6f5e248
--- /dev/null
+++ b/Scripts/Controllers/ChessGame.cs
@@ -0,0 +1,101 @@
+using Godot;
+using Godot.Collections;
+
+public partial class ChessGame : Node2D
+{
+	ChessBoard board;
+	Global global;
+	private bool isSession = false;
+
+	// Called when the node enters the scene tree for the first time.
+	public override void _Ready()
+	{
+		// Init.Call();
+		global = GetNode<Global>("/root/Global");
+		board = GetNode<ChessBoard>("Chessboard");
+		// GetNode<Button>("Undo").Connect("pressed", Callable.From(board.Undo));
+		// GetNode<Button>("ReInit").Connect("pressed", Callable.From(board.ReInit));
+		// GetNode<Button>("Home").Connect("pressed", Callable.From(this.GoHome));
+
+		if (!global.RPClient.GetIsConnected()) {
+			return;
+		}
+
+		isSession = true;
+		GD.Print("ws is connected");
+		global.RPClient.OnPRCSessionExit += (cmd, code) => {
+			GoHome();
+		};
+		board.Set("Hello", Callable.From(() => {GD.PrintErr("hello");}));
+		board.Set("chessMoveFunc", Callable.From((Vector2 newPos, Vector2 fromPos) => {
+			var res = global.RPClient.SendSessionToAll(global.sessionId, new Dictionary{
+					{"type", "move"},
+					{"from", fromPos},
+					{"to", newPos},
+					{"fromX", fromPos.X},
+					{"fromY", fromPos.Y},
+					{"toX", newPos.X},
+					{"toY", newPos.Y},
+				});
+			GD.Print($"chessMoveFunc Callback {fromPos} -> {newPos} {res}");
+			return false;
+		}));
+		global.RPClient.OnPRCSessionRecv += (msg) => {
+			SessionMsgHandle(msg["msg"].AsGodotDictionary());
+		};
+	}
+
+	// Called every frame. 'delta' is the elapsed time since the previous frame.
+	public override void _Process(double delta) {
+	}
+
+	private void SessionMsgHandle(Dictionary msg) {
+		// GD.PrintErr($"session msg: {msg}");
+		switch (msg["type"].AsString()) {
+			case "move":
+				Vector2 to = new(GD.StrToVar(msg["toX"].ToString()).AsInt32(),
+					GD.StrToVar(msg["toY"].ToString()).AsInt32());
+
+				Vector2 from = new(GD.StrToVar(msg["fromX"].ToString()).AsInt32(),
+					GD.StrToVar(msg["fromY"].ToString()).AsInt32());
+				board.MoveAndRecord(to, from);
+				break;
+			case "undo":
+				board.Undo();
+				break;
+			case "reInit":
+				board.ReInit();
+				break;
+		}
+	}
+
+	public void GoHome() {
+		if (global.RPClient.IsOnline()) {
+			global.RPClient.ExitServer();
+		}
+    	global.GotoScene("res://Main.tscn");
+	}
+
+	public void Undo() {
+		GD.PrintErr($"Undo {isSession}");
+		if (isSession == false) {
+			GD.PrintErr($"Undo ??");
+			board.Undo();
+			return;
+		}
+		global.RPClient.SendSessionToAll(global.sessionId, new Dictionary{
+			{"type", "undo"},
+		});
+	}
+
+	public void ReInit() {
+		GD.PrintErr($"ReInit {isSession}");
+		if (isSession == false) {
+			board.ReInit();
+			return;
+		}
+		global.RPClient.SendSessionToAll(global.sessionId, new Dictionary{
+			{"type", "reInit"},
+		});
+	}
+}
diff --git a/Scripts/Controllers/Menu.cs b/Scripts/Controllers/Menu.cs
new file mode 100644
index 0000000..a0c6cbd
--- /dev/null
+++ b/Scripts/Controllers/Menu.cs
@@ -0,0 +1,136 @@
+using Godot;
+using Godot.Collections;
+
+public partial class Menu : Control
+{
+	Global global = null;
+	ItemList lists = null;
+	ConfirmationDialog dialog = null;
+	LineEdit nameLineEdit = null;
+	LineEdit urlLineEdit = null;
+	ColorRect colorRect = null;
+	Timer timer = null;
+
+	// Called when the node enters the scene tree for the first time.
+	public override void _Ready()
+	{
+		global = GetNode<Global>("/root/Global");
+		nameLineEdit = GetNode<LineEdit>("Name/LineEdit");
+		urlLineEdit = GetNode<LineEdit>("URL");
+		urlLineEdit.Text = global.URL;
+		urlLineEdit.Set("text_submitted", Callable.From(()=>{
+			global.URL = urlLineEdit.Text;
+		}));
+
+		lists = GetNode<ItemList>("Server/ItemList");
+		dialog = GetNode<ConfirmationDialog>("Dialogs/ConfirmationDialog");
+		colorRect = GetNode<ColorRect>("Server/ColorRect");
+		dialog.DialogAutowrap = true;
+		dialog.MinSize = new Vector2I(400, 200);
+		dialog.Canceled += () => {
+			if (dialog.Title == "Session Created")
+			global.RPClient.SessionAckCreate(dialog.GetMeta("sessionId").ToString(), false);
+		};
+		dialog.Confirmed += () => {
+			// GD.PrintErr("confirm", dialog.GetLabel().Text);
+			// goToSignle();
+			if (dialog.Title == "Session Created")
+			global.RPClient.SessionAckCreate(dialog.GetMeta("sessionId").ToString(), true);
+		};
+
+		global.RPClient.RegSessionAckCreateCallback((
+			sessionId,
+			res,
+			reqUserId,
+			reqUserName) => {
+			if (reqUserId != null) {
+				dialog.Title = "Session Created";
+				dialog.SetMeta("reqUserName", reqUserName);
+				dialog.SetMeta("reqUserId", reqUserId);
+				dialog.SetMeta("sessionId", sessionId);
+				// dialog.GetLabel==>Text = $"{sessdata["reqUserName"]}";
+				dialog.DialogText = $"username: {reqUserName}\n" +
+					$"reqUserId: {reqUserId}\n";
+				dialog.Visible = true;
+			} else {
+				if (res) {
+					global.sessionId = sessionId;
+					global.GotoScene("res://Scenes/ChessGame.tscn");
+				} else {
+					dialog.Title = "Failed";
+					dialog.DialogText = $"session create failed";
+					dialog.Visible = true;
+				}
+			}
+			return true;
+		});
+
+		timer = new Timer();
+		AddChild(timer);
+		timer.Connect("timeout", Callable.From(() => {
+			if (global.RPClient.GetIsConnected()) {
+				colorRect.Color = Colors.Green;
+			} else {
+				colorRect.Color = Colors.Red;
+			}
+		}));
+		timer.Start(1);
+	}
+
+	// Called every frame. 'delta' is the elapsed time since the previous frame.
+	public override void _Process(double delta) {
+	}
+
+	private void OnItemSelected(int index) {
+		Dictionary item = lists.GetItemMetadata(index).AsGodotDictionary();
+		GD.Print($"Item {index} selected, {item}");
+		string[] strings = { item["id"].ToString() };
+		global.RPClient.SessionCreate(strings);
+	}
+
+	private void FlushData()
+	{
+		global.RPClient.RegionInspect("server", (data) => {
+			GD.Print(data);
+			lists.Clear();
+			foreach (Dictionary<string, string> user in data) {
+				string userId = user["id"].ToString();
+				string userName = user["name"].ToString();
+				if (userId == global.RPClient.GetUserId()) {
+					lists.SetItemDisabled(
+						lists.AddItem($"Name: {userName}"),
+						true);
+					continue;
+				}
+				var idx = lists.AddItem($"Name: {userName}");
+				lists.SetItemMetadata(idx, user);
+				lists.SetItemTooltip(idx, $"User ID: {userId}");
+			}
+			return true;
+		});
+	}
+
+	public void Connect()
+	{
+		GD.Print("Connect");
+		global.RPClient.ExitServer();
+		global.RPClient.ConnectToUrlEx(urlLineEdit.Text);
+		global.SetProcess(true);
+	}
+
+	public void EnterName() {
+		var newLine = nameLineEdit.Text;
+		global.RPClient.UserRename(newLine);
+		nameLineEdit.Text = newLine;
+	}
+
+	private void goToHome() {
+		global.RPClient.ExitServer();
+		global.GotoScene("res://Main.tscn");
+	}
+
+	// private void OnItemListItemClicked(int index, Vector2 atPosition, int mouse_button_index)
+	// {
+	// 	GD.Print($"Item {index} clicked at {atPosition} with mouse button index {mouse_button_index}");
+	// }
+}
diff --git a/Scripts/Entities/ChessBoard.cs b/Scripts/Entities/ChessBoard.cs
index a316423..f1b6867 100644
--- a/Scripts/Entities/ChessBoard.cs
+++ b/Scripts/Entities/ChessBoard.cs
@@ -6,6 +6,10 @@ public partial class ChessBoard : Node2D {
 	MoveRecords Records = null;
 	// Called when the node enters the scene tree for the first time.
 	public Vector2 selectedNodePos = Vector2.Inf;
+
+	public delegate bool ChessMoveFunc(Vector2 toPos, Vector2 fromPos);
+	public Callable chessMoveFunc { get; set; }
+
 	public override void _Ready() {
 		Board = new VirtualBoard(this as Node);
 		Records = new MoveRecords(onUndoRecordCallback: (newNode, oldNode, newPos, oldPos) => {
@@ -16,72 +20,55 @@ public partial class ChessBoard : Node2D {
 			if (newPiece != null) {
 				Board.InsertNode(newPiece, newPos);
 			}
-			// if (oldPiece != null) {
-			// 	Board.RemoveNode(oldPos);
-			// }
 		});
 		Board.InitChessBoard();
 		// this.AddChild();
 	}
-
+	
 	public override void _Input(InputEvent @event) {
 		if (@event is InputEventMouseButton mouseEvent &&
 			mouseEvent.Pressed &&
 			mouseEvent.ButtonIndex == MouseButton.Left) {
 			// HandleMouseClick(GetGlobalTransformWithCanvas().AffineInverse() * mouseButton.Position);
-			// HandleMouseClick(GetLocalMousePosition());
-			ActionPos(
-				(PosTrans.transArrToPix.AffineInverse() *
-				GetLocalMousePosition()).Round()
-			);
+			HandleMouseClick(GetLocalMousePosition());
+			// ActionPos(
+			// 	(PosTrans.transArrToPix.AffineInverse() *
+			// 	GetLocalMousePosition()).Round()
+			// );
 		}
 	}
 
-	public void ActionPos(Vector2 clickArrPos) {
-		if (VirtualBoard.ArrPosOutOfRange(clickArrPos)) return;
-		GD.Print($"{clickArrPos} mouse clicked");
-		ChessPiece NowChess = Board.getNodeFromBoard(clickArrPos) as ChessPiece;
-        ChessPiece SelChess = Board.getNodeFromBoard(selectedNodePos) as ChessPiece;
-
-        if (Vector2.Inf.Equals(selectedNodePos)) {
-			if (NowChess == null) {
-				return;
-			}
-			NowChess.Selected();
-            GD.Print($"{clickArrPos} is selected");
-            selectedNodePos = clickArrPos;
-        } else if (selectedNodePos == clickArrPos) {
-			if (SelChess != null) {
-				SelChess.DeSelected();
-			}
-            GD.Print($"{selectedNodePos} is deselected");
-            selectedNodePos = Vector2.Inf;
-        } else {
-			GD.Print($"{selectedNodePos} move to {clickArrPos}");
-			if (SelChess != null) {
-				SelChess.DeSelected();
-            	GD.Print($"{selectedNodePos} is deselected");
-			}
-			Node NowNode;
-            if (NowChess != null) {
-				GD.Print("nowchess", NowChess);
-				NowNode = NowChess.Duplicate();
-                Board.RemoveNode(clickArrPos);
-            } else {
-				NowNode = NowChess as Node;
-			}
-			Records.AddRecord(NowNode, SelChess, clickArrPos, selectedNodePos);
-            Board.MoveNode(clickArrPos, selectedNodePos);
-            selectedNodePos = Vector2.Inf;
-			// GD.Print($"End: {selectedNodePos} {SelChess} move to {clickArrPos} {NowChess}");
-        }
+	public void ActionPos(Vector2 newPos) {
     }
 
-	public void undo() {
+	public void MoveAndRecord(Vector2 toPos, Vector2 fromPos) {
+		GD.Print($"{fromPos} move to {toPos}");
+		ChessPiece toChess = Board.GetNodeFromBoard(toPos) as ChessPiece;
+        ChessPiece fromChess = Board.GetNodeFromBoard(fromPos) as ChessPiece;
+		
+		if (fromChess != null) {
+			fromChess.DeSelected();
+		}
+
+		Node NowNode;
+        if (toChess != null) {
+			GD.Print("nowchess", toChess);
+			NowNode = toChess.Duplicate();
+            Board.RemoveNode(toPos);
+        } else {
+			NowNode = toChess as Node;
+		}
+		Records.AddRecord(NowNode, fromChess, toPos, fromPos);
+        Board.MoveNode(toPos, fromPos);
+
+		selectedNodePos = Vector2.Inf;
+	}
+
+	public void Undo() {
 		Records.Undo();
 	}
 
-	public void redo() {
+	public void ReInit() {
 		Records.Clear();
 		Board.Clear();
 		selectedNodePos = Vector2.Inf;
@@ -89,13 +76,39 @@ public partial class ChessBoard : Node2D {
 	}
 
 	private void HandleMouseClick(Vector2 clickPosition) {
+			Vector2 newPos = (PosTrans.transArrToPix.AffineInverse() *
+				clickPosition).Round();
 
-		// 如果有棋子被选中，则进行后续操作
-		// if (nowSelectedChess == null) {
-		// 	seletedNode = null;
-		// } else if (nowSelectedChess != null && seletedNode != null) {
-		// 	if (seletedNode is ChessPiece chessPiece) MoveChess(arrayPos, chessPiece.arrPos);
-		// }
+		if (VirtualBoard.ArrPosOutOfRange(newPos)) return;
+		GD.Print($"{newPos} mouse clicked");
+		ChessPiece NowChess = Board.GetNodeFromBoard(newPos) as ChessPiece;
+        ChessPiece SelChess = Board.GetNodeFromBoard(selectedNodePos) as ChessPiece;
+
+        if (Vector2.Inf.Equals(selectedNodePos)) {
+			if (NowChess == null) {
+				return;
+			}
+			NowChess.Selected();
+            selectedNodePos = newPos;
+        } else if (selectedNodePos == newPos) {
+			if (SelChess != null) {
+				SelChess.DeSelected();
+			}
+            selectedNodePos = Vector2.Inf;
+        } else {
+			if (chessMoveFunc.Delegate != null) {
+				GD.Print("chessMoveFunc Move: ", selectedNodePos, "->", newPos);
+				if ((bool)chessMoveFunc.Call(newPos, selectedNodePos)) {
+					MoveAndRecord(newPos, selectedNodePos);
+				}
+			} else {
+				GD.Print("default MoveFunc Move: ", selectedNodePos, "->", newPos);
+				MoveAndRecord(newPos, selectedNodePos);
+			}
+
+			// MoveAndRecord(newPos, selectedNodePos);
+			// GD.Print($"End: {selectedNodePos} {SelChess} move to {clickArrPos} {NowChess}");
+        }
 	}
 
 	
diff --git a/Scripts/Entities/ChessPiece.cs b/Scripts/Entities/ChessPiece.cs
index 2e7094e..3be93fd 100644
--- a/Scripts/Entities/ChessPiece.cs
+++ b/Scripts/Entities/ChessPiece.cs
@@ -35,6 +35,7 @@ public partial class ChessPiece : Sprite2D {
         if (isSelected) {
             return;
         }
+        GD.Print($"{arrPos} is selected");
         this.Transform *= transToSeleted;
         this.isSelected = true;
     }
@@ -43,6 +44,7 @@ public partial class ChessPiece : Sprite2D {
         if (!isSelected) {
             return;
         }
+        GD.Print($"{arrPos} is deselected");
         this.Transform *= transToSeleted.AffineInverse();
         this.isSelected = false;
     }
@@ -54,7 +56,7 @@ public partial class ChessPiece : Sprite2D {
 
     private void InitLabel() {
         // this.Texture.ResourcePath = "res://Asserts/ChesspieceBase.tres";
-        this.Texture = (Texture2D)ResourceLoader.Load("res://Asserts/ChesspieceBase.tres");
+        this.Texture ??= (Texture2D)ResourceLoader.Load("res://Asserts/ChesspieceBase.tres");
         textureSize = this.Texture.GetSize();
         Vector2 labalPosition = new(
                 -textureSize.X / 2,
diff --git a/Scripts/Global.cs b/Scripts/Global.cs
new file mode 100644
index 0000000..d2f222a
--- /dev/null
+++ b/Scripts/Global.cs
@@ -0,0 +1,85 @@
+using Godot;
+using RPPackage;
+
+public partial class Global : Node
+{
+	public RPClientEDWS RPClient = new();
+	public string sessionId;
+	public string URL = "wss://game.zzyxyz.com/";
+	public Node CurrentScene { get; set; }
+
+	// Called when the node enters the scene tree for the first time.
+	public override void _Ready()
+	{
+		RPClient.OnRPCError += (string errCode, string type, string cmd, string errMsg) => {
+			GD.PrintErr($"errCode {errCode}, type/cmd {type}/{cmd}, errMsg {errMsg}");
+		};
+		RPClient.OnClose += (string eventName, object[] args) => {
+			SetProcess(false);
+		};
+		RPClient.OnOpen += (string eventName, object[] args) => {
+			RPClient.UserInit("undefined", "godot chessboard", () => {
+				return RPClient.RegionAdd("server");
+			});
+		};
+		Viewport root = GetTree().Root;
+        CurrentScene = root.GetChild(root.GetChildCount() - 1);
+		SetProcess(false);
+	}
+
+	// Called every frame. 'delta' is the elapsed time since the previous frame.
+	public override void _Process(double delta)
+	{
+		RPClient.PollEx(delta);
+	}
+
+	public override void _Notification(int what)
+	{
+		if (what == NotificationWMCloseRequest) {
+			RPClient.Close();
+			GetTree().Quit(); // default behavior
+		}
+	}
+
+	public delegate void ChangeSceneCallback(Node newSence);
+	private static ChangeSceneCallback changeSceneCallback = null;
+	public void GotoScene(string path, ChangeSceneCallback callback = null)
+	{
+		// This function will usually be called from a signal callback,
+		// or some other function from the current scene.
+		// Deleting the current scene at this point is
+		// a bad idea, because it may still be executing code.
+		// This will result in a crash or unexpected behavior.
+
+		// The solution is to defer the load to a later time, when
+		// we can be sure that no code from the current scene is running:
+		if (callback != null) {
+			changeSceneCallback = callback;
+		}
+		Callable callbackWrapper = new(null, nameof(changeSceneCallback));
+
+		CallDeferred(MethodName.DeferredGotoScene, path, callbackWrapper);
+		changeSceneCallback = null;
+	}
+
+	public void DeferredGotoScene(string path, Callable onLoaded)
+	{
+		// It is now safe to remove the current scene.
+		CurrentScene.Free();
+
+		// Load a new scene.
+		var nextScene = GD.Load<PackedScene>(path);
+
+		// Instance the new scene.
+		CurrentScene = nextScene.Instantiate();
+		if (changeSceneCallback != null) {
+			onLoaded.Call(CurrentScene);
+		}
+
+		// Add it to the active scene, as child of root.
+		GetTree().Root.AddChild(CurrentScene);
+
+		// Optionally, to make it compatible with the SceneTree.change_scene_to_file() API.
+		GetTree().CurrentScene = CurrentScene;
+	}
+}
diff --git a/Scripts/Lib/RPClient.cs b/Scripts/Lib/RPClient.cs
new file mode 100644
index 0000000..854acd5
--- /dev/null
+++ b/Scripts/Lib/RPClient.cs
@@ -0,0 +1,320 @@
+using System;
+using System.Threading;
+using Godot;
+using Godot.Collections;
+
+namespace RPPackage {
+public partial class RPClientBaseEDWS : EventDrivenWebSocket {
+
+    public delegate void RPClientEventHandler(string cmd, Dictionary data);
+    public delegate void RPClientErrorHandler(string errCode, string type, string cmd, string errMsg);
+
+    public event RPClientEventHandler OnRPCUser;
+    public event RPClientEventHandler OnRPCRegion;
+    public event RPClientEventHandler OnRPCSession;
+    public event RPClientEventHandler OnRPCMsg;
+    public event RPClientErrorHandler OnRPCError;
+
+    public RPClientBaseEDWS() : base() {
+        OnText += (text) => {
+            GD.Print($"response: {text}");
+            RPMessage msg = RPHelper.HandleIncomingMessage(text);
+            if (msg.Code != "0000") {
+                OnRPCError?.Invoke(msg.Code, msg.Type, msg.Cmd, msg.Data.ToString());
+                return;
+            }
+            switch (msg.Type) {
+                case "user":
+                    OnRPCUser?.Invoke(msg.Cmd, msg.Data);
+                    break;
+                case "region":
+                    OnRPCRegion?.Invoke(msg.Cmd, msg.Data);
+                    break;
+                case "session":
+                    OnRPCSession?.Invoke(msg.Cmd, msg.Data);
+                    break;
+                case "msg":
+                    OnRPCMsg?.Invoke(msg.Cmd, msg.Data);
+                    break;
+                default:
+                    OnRPCError?.Invoke(msg.Code, "unknown", msg.Cmd, msg.Data.ToString());
+                    break;
+            }
+        };
+    }
+
+    protected void MakeRPCError(string errCode, string type, string cmd, string errMsg) {
+        this.OnRPCError?.Invoke(errCode, type, cmd, errMsg ?? "null");
+    }
+}
+
+public partial class RPClientEDWS : RPClientBaseEDWS {
+    string userName;
+    string userId;
+    string userToken;
+    string regionId;
+
+    public string GetUserId() { return userId; }
+    
+    public delegate void SessionRecvHandle(Dictionary msg);
+    public event SessionRecvHandle OnPRCSessionRecv;
+
+    public event RPClientEventHandler OnPRCSessionExit;
+
+    public RPClientEDWS() : base() {
+        OnRPCUser += (cmd, msg) => {
+            switch (cmd) {
+                case "init":
+                    userId = msg["userId"].AsString();
+                    userToken = msg["token"].AsString();
+                    _userInitCallback?.Invoke();
+                    break;
+                case "rename":
+                    userName = msg["_"].AsString();
+                    break;
+                default:
+                    MakeRPCError("0000", "user", "unknown", msg?.ToString());
+                    break;
+            }
+        };
+        OnRPCRegion += (cmd, msg) => {
+            switch (cmd) {
+                case "add":
+                    break;
+                case "inspect":
+                    // var regions = msg["_"].AsGodotArray<Dictionary>();
+                    _regionRecvCallback?.Invoke(cmd, msg);
+                    break;
+                case "list":
+                    // var users = msg["_"].AsGodotArray<Dictionary>();
+                    _regionRecvCallback?.Invoke(cmd, msg);
+                    break;
+                default:
+                    MakeRPCError("0000", "region", "unknown", msg?.ToString());
+                    break;
+            }
+        };
+        OnRPCSession += (cmd, msg) => {
+            switch (cmd) {
+                case "sendAll":
+                    OnPRCSessionRecv?.Invoke(msg);
+                    break;
+                case "create":
+                    break;
+                case "ackCreate":
+                    // GD.PrintErr($"{cmd} {msg} {__SessionAckCreateCallback__ == null}");
+                    _sessionAckCreateCallback?.Invoke(cmd, msg);
+                    break;
+                case "exit":
+                    OnPRCSessionExit?.Invoke(cmd, msg);
+                    break;
+                default:
+                    break;
+            }
+        };
+        OnRPCMsg += (cmd, msg) => {
+            switch(cmd) {
+                case "echo":
+                    GD.Print(msg["_"].AsString());
+                    break;
+                default:
+                    break;
+            }
+        };
+        OnRPCError += (code, type, cmd, msg) => {
+        };
+    }
+
+    public void ClearRPCClientFunc() {
+
+    }
+
+    public bool IsOnline() {
+        return GetIsConnected() && userId != null;
+    }
+
+    public void ConnectServer(string url) {
+
+    }
+
+    public void ExitServer() {
+        this.SendRPMessage(new RPMessage {
+            Type = "user",
+            Cmd = "exit",
+            Uid = userId,
+            Token = userToken,
+        });
+        userId = null;
+        userToken = null;
+        this.Close();
+    }
+
+    public delegate bool UserInitCallback();
+    private UserInitCallback _userInitCallback;
+    public bool UserInit(string userName, string fingerPrint, UserInitCallback callback) {
+        if (this.GetIsConnected() == false) {
+            return false;
+        }
+        this.SendRPMessage(new RPMessage{
+            Type = "user",
+            Cmd = "init",
+            Data = new Dictionary {
+                { "userName", userName },
+                { "fingerPrint", fingerPrint }
+            }
+        });
+        _userInitCallback = null;
+        if (callback != null) _userInitCallback += callback;
+        return true;
+    }
+
+    public bool UserRename(string newName) {
+        if (this.GetIsConnected() == false) {
+            return false;
+        }
+        this.SendRPMessage(new RPMessage{
+            Type = "user",
+            Cmd = "rename",
+            Uid = userId,
+            Token = userToken,
+            Data = new Dictionary {
+                { "_", newName }
+            }
+        });
+        return true;
+    }
+
+    public bool RegionAdd(string regionId) {
+        if (this.GetIsConnected() == false || this.userId == null) {
+            return false;
+        }
+        this.SendRPMessage(new RPMessage{
+            Type = "region",
+            Cmd = "add",
+            Uid = userId,
+            Token = userToken,
+            Data = new Dictionary {
+                { "regionId", regionId }
+            }
+        });
+        return true;
+    }
+
+    public delegate bool RegionInspectCallback(
+        Array<Dictionary<string, string>> _
+    );
+    private RPClientEventHandler _regionRecvCallback;
+    public bool RegionInspect(string regionId, RegionInspectCallback callback) {
+        if (this.GetIsConnected() == false || this.userId == null) {
+            return false;
+        }
+        _regionRecvCallback = null;
+        _regionRecvCallback += (cmd, msg) => {
+            if (cmd != "inspect") {
+                return;
+            }
+            callback(msg["_"].AsGodotArray<Dictionary<string, string>>());
+        };
+        this.SendRPMessage(new RPMessage{
+            Type = "region",
+            Cmd = "inspect",
+            Uid = userId,
+            Token = userToken,
+            Data = new Dictionary {
+                { "regionId", regionId }
+            }
+        });
+        return true;
+    }
+
+    public delegate bool SessionAckCreateCallback(
+        string sessionId,
+        bool res,
+        string reqUserId,
+        string reqUserName
+    );
+    private RPClientEventHandler _sessionAckCreateCallback;
+    public void RegSessionAckCreateCallback(SessionAckCreateCallback recvCallback) {
+        _sessionAckCreateCallback = null;
+        _sessionAckCreateCallback += (cmd, msg) => {
+            string sessionId = msg["sessionId"].AsString();
+            bool res = msg.ContainsKey("res") && msg["res"].AsBool();
+            string reqUserId = msg.ContainsKey("reqUserId") ? msg["reqUserId"].AsString() : null;
+            string reqUserName = msg.ContainsKey("reqUserName") ? msg["reqUserName"].AsString() : null;
+            recvCallback(sessionId, res, reqUserId, reqUserName);
+        };
+    }
+    public bool SessionCreate(string[] usersId) {
+        if (this.GetIsConnected() == false || this.userId == null) {
+            return false;
+        }
+
+        this.SendRPMessage(new RPMessage {
+            Type = "session",
+            Cmd = "create",
+            Uid = userId,
+            Token = userToken,
+            Data = new Dictionary {
+                { "_", usersId }
+            }
+        });
+        return true;
+    }
+
+    public bool SessionAckCreate(string sessionId, bool response)
+    {
+        if (this.GetIsConnected() == false || this.userId == null) {
+            return false;
+        }
+
+        // 根据响应情况发送确认消息给服务器
+        string code = response ? "0000" : "0001";
+        this.SendRPMessage(new RPMessage {
+            Type = "session",
+            Cmd = "ackCreate",
+            Uid = userId,
+            Token = userToken,
+            Code = code,
+            Data = new Dictionary {
+                { "sessionId", sessionId },
+                { "res", response }
+            }
+        });
+        return true;
+    }
+
+    public bool SendSessionToAll(string sessionId, Variant data) {
+        if (this.GetIsConnected() == false || this.userId == null || sessionId == null) {
+            return false;
+        }
+        this.SendRPMessage(new RPMessage{
+            Type = "session",
+            Cmd = "sendAll",
+            Uid = userId,
+            Token = userToken,
+            Data = new Dictionary {
+                { "sessionId", sessionId },
+                { "msg", data },
+            }
+        });
+        return true;
+    }
+
+        // 	ws.OnOpen += (eventName, args) => {
+        // 	ws.SendRPMessage(new RPMessage{
+        // 		Type = "user",
+        // 		Cmd = "tmp",
+        // 	});
+        // };
+
+        // ws.OnError += (eventName, args) => {
+        // 	GD.PrintErr(args);
+        // 	// SetProcess(false);
+        // };
+
+        // ws.OnClose += (eventName, args) => {
+        // 	// GD.Print("close");
+        // 	SetProcess(false);
+        // };
+    }
+}
\ No newline at end of file
diff --git a/Scripts/Lib/RPHelper.cs b/Scripts/Lib/RPHelper.cs
new file mode 100644
index 0000000..aca60bf
--- /dev/null
+++ b/Scripts/Lib/RPHelper.cs
@@ -0,0 +1,45 @@
+using Godot;
+using Godot.Collections;
+
+namespace RPPackage {
+public static class RPHelper
+{
+    public static Dictionary SerializeRPMessage(RPMessage message)
+    {
+        return message.ToDictionary();
+    }
+
+    public static RPMessage DeserializeRPMessage(Dictionary data)
+    {
+        return new RPMessage
+        {
+            Type    = data.ContainsKey("type") ? (string)data["type"] : null,
+            Cmd     = data.ContainsKey("cmd") ? (string)data["cmd"] : null,
+            Code    = data.ContainsKey("code") ? (string)data["code"] : null,
+            Uid     = data.ContainsKey("uid") ? (string)data["uid"] : null,
+            Token   = data.ContainsKey("token") ? (string)data["token"] : null,
+            Data    = data.ContainsKey("data") ? data["data"].AsGodotDictionary() : null,
+        };
+    }
+
+    // 假设你有WebSocket通信的实现，这里仅展示如何使用上述方法
+    public static void SendRPMessage(this EventDrivenWebSocket ws, RPMessage message)
+    {
+        ws.SendJsonEx(RPHelper.SerializeRPMessage(message));
+    }
+
+    public static RPMessage HandleIncomingMessage(string jsonMessage)
+    {
+        var dataDict = Json.ParseString(jsonMessage).AsGodotDictionary();
+        if (dataDict != null)
+        {
+            return RPHelper.DeserializeRPMessage(dataDict);
+        }
+        else
+        {
+            GD.PrintErr("Failed to parse incoming message.");
+            return null;
+        }
+    }
+}
+}
\ No newline at end of file
diff --git a/Scripts/Lib/RPMessage.cs b/Scripts/Lib/RPMessage.cs
new file mode 100644
index 0000000..732db51
--- /dev/null
+++ b/Scripts/Lib/RPMessage.cs
@@ -0,0 +1,33 @@
+using Godot;
+using Godot.Collections;
+
+namespace RPPackage {
+public class RPMessage
+{
+    public string Type { get; set; }
+    public string Cmd { get; set; }
+    public Dictionary Data { get; set; }
+    
+    public string Uid { get; set; }
+    public string Token { get; set; }
+    public string Code { get; set; }
+    public Dictionary ToDictionary()
+    {
+        var dict = new Dictionary();
+        if (Type != null)
+            dict.Add("type", Type);
+        if (Cmd != null)
+            dict.Add("cmd", Cmd);
+        if (Data != null)
+            dict.Add("data", Data);
+        
+        if (Uid != null)
+            dict.Add("uid", Uid);
+        if (Token != null)
+            dict.Add("token", Token);
+        if (Code != null)
+            dict.Add("code", Code);
+        return dict;
+    }
+}
+}
\ No newline at end of file
diff --git a/Scripts/Lib/csws.cs b/Scripts/Lib/csws.cs
new file mode 100644
index 0000000..e69de29
diff --git a/Scripts/Lib/gdws.cs b/Scripts/Lib/gdws.cs
new file mode 100644
index 0000000..e17fa59
--- /dev/null
+++ b/Scripts/Lib/gdws.cs
@@ -0,0 +1,114 @@
+using Godot;
+using Godot.Collections;
+
+public partial class EventDrivenWebSocket : WebSocketPeer {
+    public delegate void WebSocketEventHandler(string eventName, params object[] args);
+    public delegate void WSBinMsgEventHandler(byte[] args);
+    public delegate void WSMsgEventHandler(string args);
+
+    public event WebSocketEventHandler OnOpen;
+    public event WSBinMsgEventHandler OnMessage;
+    public event WSMsgEventHandler OnText;
+    public event WSBinMsgEventHandler OnBinary;
+    public event WebSocketEventHandler OnClose;
+    public event WebSocketEventHandler OnError;
+
+    private bool isConnected = false;
+    private bool isCloseEventFired = false;
+    private double connectingTime = double.NegativeInfinity;
+
+
+    public EventDrivenWebSocket() : base() {
+        isConnected = false;
+    }
+
+    public bool GetIsConnected() {
+        return isConnected;
+    }
+
+    public void PollEx(double delta) {
+        base.Poll();
+        CheckAndDispatchEvents(delta);
+    }
+
+    public void ConnectToUrlEx(string url, double delayTime = 3,
+        TlsOptions tlsClientOptions = null) {
+        if (connectingTime >= 0) {
+            return;
+        }
+        Error err = ConnectToUrl(url, tlsClientOptions);
+        if (err != Error.Ok) {
+            OnError?.Invoke("error", err);
+        }
+        connectingTime = delayTime;
+    }
+
+    protected void CheckAndDispatchEvents(double delta) {
+        var state = GetReadyState();
+        switch (state) {
+            case State.Open when !isConnected:
+                isConnected = true;
+                OnOpen?.Invoke("open", null);
+                break;
+            case State.Open:
+                while (GetAvailablePacketCount() > 0) {
+                    byte[] packet = GetPacket();
+                    OnMessage?.Invoke(packet);
+                    if (WasStringPacket()) {
+                        OnText?.Invoke(packet.GetStringFromUtf8());
+                    } else {
+                        OnBinary?.Invoke(packet);
+                    }
+                }
+                break;
+            case State.Closed:
+                connectingTime = double.NegativeInfinity;
+                OnClose?.Invoke("closed", GetCloseCode(), GetCloseReason());
+                isConnected = false;
+                break;
+            case State.Closing:
+                // OnClose?.Invoke("closing");
+                break;
+            case State.Connecting:
+                if (connectingTime >= 0) {
+                    connectingTime -= delta;
+                } else if (connectingTime != double.NegativeInfinity){
+                    connectingTime = double.NegativeInfinity;
+                    Close();
+                    OnError?.Invoke("connectTimeOut", Error.Timeout);
+                }
+                break;
+            default:
+                // 可以在这里处理其他状态或错误
+                OnError?.Invoke("error", "Unknown WebSocket state.");
+                break;
+        }
+    }
+
+
+    public void SendBinaryEx(byte[] data) {
+        SendEx(data);
+    }
+
+    public void SendJsonEx(Dictionary msg) {
+        SendTextEx(Json.Stringify(msg));
+    }
+
+    public Error SendTextEx(string message) {
+        if (isConnected) {
+            return SendText(message);
+        } else {
+            OnError?.Invoke("error", "Attempt to send on a closed connection.");
+            return Error.ConnectionError;
+        }
+    }
+
+    public Error SendEx(byte[] message, WriteMode writeMode = WriteMode.Binary) {
+        if (isConnected) {
+            return Send(message, writeMode);
+        } else {
+            OnError?.Invoke("error", "Attempt to send on a closed connection.");
+            return Error.ConnectionError;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Scripts/Utilities/VirtualBoard.cs b/Scripts/Utilities/VirtualBoard.cs
index 6dbc271..4635a95 100644
--- a/Scripts/Utilities/VirtualBoard.cs
+++ b/Scripts/Utilities/VirtualBoard.cs
@@ -1,4 +1,3 @@
-using System.Dynamic;
 using Godot;
 
 class VirtualBoard {
@@ -11,12 +10,12 @@ class VirtualBoard {
 		return arrayPos.X < 0 || arrayPos.X >= boradRows || arrayPos.Y < 0 || arrayPos.Y >= boradCols;
 	}
 
-    public Node getNodeFromBoard(Vector2 arrayPos) {
+    public Node GetNodeFromBoard(Vector2 arrayPos) {
 		if (ArrPosOutOfRange(arrayPos)) return null;
         return nodesBorad[(int)arrayPos.X, (int)arrayPos.Y];
     }
 
-    public void setNodeToBoard(Vector2 arrayPos, Node node) {
+    public void SetNodeToBoard(Vector2 arrayPos, Node node) {
 		if (ArrPosOutOfRange(arrayPos)) return;
         nodesBorad[(int)arrayPos.X, (int)arrayPos.Y] = node;
     }
@@ -30,29 +29,29 @@ class VirtualBoard {
 		if (ArrPosOutOfRange(newPos) || ArrPosOutOfRange(oldPos)) {
 			return false;
 		}
-		if (getNodeFromBoard(newPos) != null) {
+		if (GetNodeFromBoard(newPos) != null) {
 			return false;
 		}
-        if (getNodeFromBoard(oldPos) is ChessPiece chessPiece) {
+        if (GetNodeFromBoard(oldPos) is ChessPiece chessPiece) {
 			chessPiece.movePos(newPos);
         }
-        setNodeToBoard(newPos, getNodeFromBoard(oldPos));
-		setNodeToBoard(oldPos, null);
+        SetNodeToBoard(newPos, GetNodeFromBoard(oldPos));
+		SetNodeToBoard(oldPos, null);
 		return true;
 	}
 
 	public bool RemoveNode(Vector2 arrayPos) {
 		if (ArrPosOutOfRange(arrayPos)) return false;
-		if (getNodeFromBoard(arrayPos) is ChessPiece chessPiece) {
+		if (GetNodeFromBoard(arrayPos) is ChessPiece chessPiece) {
 			chessPiece.QueueFree();
 		}
-		setNodeToBoard(arrayPos, null);
+		SetNodeToBoard(arrayPos, null);
         return true;
 	}
 
 	public void InsertNode(ChessPiece chess, Vector2 arrayPos) {
 		chess.Position = PosTrans.transArrToPix * arrayPos;
-		setNodeToBoard(arrayPos, chess);
+		SetNodeToBoard(arrayPos, chess);
 		BoardRoot.AddChild(chess);
 	}
 
diff --git a/export_presets.cfg b/export_presets.cfg
index c7235f9..d72bace 100644
--- a/export_presets.cfg
+++ b/export_presets.cfg
@@ -40,7 +40,7 @@ application/product_version=""
 application/company_name=""
 application/product_name=""
 application/file_description=""
-application/copyright=""
+application/copyright="0.0.2"
 application/trademarks=""
 application/export_angle=0
 ssh_remote_deploy/enabled=false
@@ -61,7 +61,7 @@ ssh_remote_deploy/cleanup_script="Stop-ScheduledTask -TaskName godot_remote_debu
 Unregister-ScheduledTask -TaskName godot_remote_debug -Confirm:$false -ErrorAction:SilentlyContinue
 Remove-Item -Recurse -Force '{temp_dir}'"
 dotnet/include_scripts_content=false
-dotnet/include_debug_symbols=true
+dotnet/include_debug_symbols=false
 dotnet/embed_build_outputs=false
 
 [preset.1]
@@ -92,8 +92,8 @@ architectures/armeabi-v7a=false
 architectures/arm64-v8a=true
 architectures/x86=false
 architectures/x86_64=false
-version/code=1
-version/name=""
+version/code=2
+version/name="0.0.2"
 package/unique_name="com.example.$genname"
 package/name=""
 package/signed=true
@@ -267,113 +267,5 @@ permissions/write_social_stream=false
 permissions/write_sync_settings=false
 permissions/write_user_dictionary=false
 dotnet/include_scripts_content=false
-dotnet/include_debug_symbols=true
-dotnet/embed_build_outputs=false
-
-[preset.2]
-
-name="macOS"
-platform="macOS"
-runnable=true
-dedicated_server=false
-custom_features=""
-export_filter="all_resources"
-include_filter=""
-exclude_filter=""
-export_path=""
-encryption_include_filters=""
-encryption_exclude_filters=""
-encrypt_pck=false
-encrypt_directory=false
-
-[preset.2.options]
-
-export/distribution_type=1
-binary_format/architecture="universal"
-custom_template/debug=""
-custom_template/release=""
-debug/export_console_wrapper=1
-application/icon=""
-application/icon_interpolation=4
-application/bundle_identifier=""
-application/signature=""
-application/app_category="Games"
-application/short_version=""
-application/version=""
-application/copyright=""
-application/copyright_localized={}
-application/min_macos_version="10.12"
-application/export_angle=0
-display/high_res=true
-xcode/platform_build="14C18"
-xcode/sdk_version="13.1"
-xcode/sdk_build="22C55"
-xcode/sdk_name="macosx13.1"
-xcode/xcode_version="1420"
-xcode/xcode_build="14C18"
-codesign/codesign=1
-codesign/installer_identity=""
-codesign/apple_team_id=""
-codesign/identity=""
-codesign/entitlements/custom_file=""
-codesign/entitlements/allow_jit_code_execution=false
-codesign/entitlements/allow_unsigned_executable_memory=false
-codesign/entitlements/allow_dyld_environment_variables=false
-codesign/entitlements/disable_library_validation=false
-codesign/entitlements/audio_input=false
-codesign/entitlements/camera=false
-codesign/entitlements/location=false
-codesign/entitlements/address_book=false
-codesign/entitlements/calendars=false
-codesign/entitlements/photos_library=false
-codesign/entitlements/apple_events=false
-codesign/entitlements/debugging=false
-codesign/entitlements/app_sandbox/enabled=false
-codesign/entitlements/app_sandbox/network_server=false
-codesign/entitlements/app_sandbox/network_client=false
-codesign/entitlements/app_sandbox/device_usb=false
-codesign/entitlements/app_sandbox/device_bluetooth=false
-codesign/entitlements/app_sandbox/files_downloads=0
-codesign/entitlements/app_sandbox/files_pictures=0
-codesign/entitlements/app_sandbox/files_music=0
-codesign/entitlements/app_sandbox/files_movies=0
-codesign/entitlements/app_sandbox/files_user_selected=0
-codesign/entitlements/app_sandbox/helper_executables=[]
-codesign/custom_options=PackedStringArray()
-notarization/notarization=0
-privacy/microphone_usage_description=""
-privacy/microphone_usage_description_localized={}
-privacy/camera_usage_description=""
-privacy/camera_usage_description_localized={}
-privacy/location_usage_description=""
-privacy/location_usage_description_localized={}
-privacy/address_book_usage_description=""
-privacy/address_book_usage_description_localized={}
-privacy/calendar_usage_description=""
-privacy/calendar_usage_description_localized={}
-privacy/photos_library_usage_description=""
-privacy/photos_library_usage_description_localized={}
-privacy/desktop_folder_usage_description=""
-privacy/desktop_folder_usage_description_localized={}
-privacy/documents_folder_usage_description=""
-privacy/documents_folder_usage_description_localized={}
-privacy/downloads_folder_usage_description=""
-privacy/downloads_folder_usage_description_localized={}
-privacy/network_volumes_usage_description=""
-privacy/network_volumes_usage_description_localized={}
-privacy/removable_volumes_usage_description=""
-privacy/removable_volumes_usage_description_localized={}
-ssh_remote_deploy/enabled=false
-ssh_remote_deploy/host="user@host_ip"
-ssh_remote_deploy/port="22"
-ssh_remote_deploy/extra_args_ssh=""
-ssh_remote_deploy/extra_args_scp=""
-ssh_remote_deploy/run_script="#!/usr/bin/env bash
-unzip -o -q \"{temp_dir}/{archive_name}\" -d \"{temp_dir}\"
-open \"{temp_dir}/{exe_name}.app\" --args {cmd_args}"
-ssh_remote_deploy/cleanup_script="#!/usr/bin/env bash
-kill $(pgrep -x -f \"{temp_dir}/{exe_name}.app/Contents/MacOS/{exe_name} {cmd_args}\")
-rm -rf \"{temp_dir}\""
-dotnet/include_scripts_content=false
-dotnet/include_debug_symbols=true
+dotnet/include_debug_symbols=false
 dotnet/embed_build_outputs=false
diff --git a/project.godot b/project.godot
index 1af98b8..eb90652 100644
--- a/project.godot
+++ b/project.godot
@@ -15,6 +15,10 @@ run/main_scene="res://Main.tscn"
 config/features=PackedStringArray("4.2", "C#", "Mobile")
 config/icon="res://Asserts/icon.svg"
 
+[autoload]
+
+Global="*res://Scripts/Global.cs"
+
 [display]
 
 window/size/viewport_width=720