diff --git a/api/CreateGame_CN.md b/api/CreateGame_CN.md
index 1009636..fc24aa1 100644
--- a/api/CreateGame_CN.md
+++ b/api/CreateGame_CN.md
@@ -16,6 +16,11 @@ Content-Type: application/json
 }
 ```
 
+支持的地图列表:
+- 小地图: RectSmall
+- 中型地图: RectMid
+- 大型地图: RectLarge
+
 ### 返回结果
 Status Code: 200
 
diff --git a/src/monitor/MagCore.Monitor/Modules/ApiReq.cs b/src/monitor/MagCore.Monitor/Modules/ApiReq.cs
index 4f64d98..d17f585 100644
--- a/src/monitor/MagCore.Monitor/Modules/ApiReq.cs
+++ b/src/monitor/MagCore.Monitor/Modules/ApiReq.cs
@@ -10,8 +10,8 @@ namespace MagCore.Monitor.Modules
 {
     public static class ApiReq
     {
-        //private static string _url = "http://106.75.33.221:6000/";
-        private static string _url = "http://localhost:6000/";
+        private static string _url = "http://106.75.33.221:6000/";
+        //private static string _url = "http://localhost:6000/";
 
         public static HttpClient CreateReq()
         {
diff --git a/src/monitor/MagCore.Monitor/Modules/GameLoader.cs b/src/monitor/MagCore.Monitor/Modules/GameLoader.cs
index 2f9d371..111744d 100644
--- a/src/monitor/MagCore.Monitor/Modules/GameLoader.cs
+++ b/src/monitor/MagCore.Monitor/Modules/GameLoader.cs
@@ -21,7 +21,7 @@ public static class GameLoader
 
         internal static Dictionary<int, Player> Players = null;
 
-        private static IMapLoader _map = null;
+        internal static IMapLoader _map = null;
         public static void Update()
         {
             //init a new thread to refresh the game list
diff --git a/src/monitor/MagCore.Monitor/Modules/KeyboardHandler.cs b/src/monitor/MagCore.Monitor/Modules/KeyboardHandler.cs
index 66205bf..f9412e0 100644
--- a/src/monitor/MagCore.Monitor/Modules/KeyboardHandler.cs
+++ b/src/monitor/MagCore.Monitor/Modules/KeyboardHandler.cs
@@ -22,11 +22,11 @@ public static void Update()
                         var key = keys[0];
                         if (key >= Keys.D1 && key < (Keys)(Keys.D1 + GameListLoader.Games.Count))
                         {
-                            ScreenHandler.ChangeSize(10, 10);
-
                             var sel = key - Keys.D1;
                             GameLoader.Load(sel);
-                        }
+
+                            ScreenHandler.ChangeSize(GameLoader._map.Width, GameLoader._map.Height);
+                       }
 
                     }
                     break;
diff --git a/src/monitor/MagCore.Monitor/Modules/Map/IMapLoader.cs b/src/monitor/MagCore.Monitor/Modules/Map/IMapLoader.cs
index 4da8e02..3613f04 100644
--- a/src/monitor/MagCore.Monitor/Modules/Map/IMapLoader.cs
+++ b/src/monitor/MagCore.Monitor/Modules/Map/IMapLoader.cs
@@ -16,5 +16,8 @@ public interface IMapLoader
         void Draw(SpriteBatch sb, GameTime gt);
 
         Cell Locate(int x, int y);
+
+        int Height { get; }
+        int Width { get; }
     }
 }
diff --git a/src/monitor/MagCore.Monitor/Modules/Map/RectMapLoader.cs b/src/monitor/MagCore.Monitor/Modules/Map/RectMapLoader.cs
index 57f10aa..379f680 100644
--- a/src/monitor/MagCore.Monitor/Modules/Map/RectMapLoader.cs
+++ b/src/monitor/MagCore.Monitor/Modules/Map/RectMapLoader.cs
@@ -19,7 +19,26 @@ public class RectMapLoader : IMapLoader
 
         private Color _color = Color.White;
 
-        private Position _origin = new Position(0, 0);
+        //private Position _origin = new Position(0, 0);
+
+        public int Height
+        {
+            get
+            {
+                return Rows.Count; 
+            }
+        }
+        public int Width
+        {
+            get
+            {
+                if (Rows.Count > 0)
+                    return Rows[0].Cells.Count;
+                else
+                    return 0;
+            }
+        }
+
 
         public RectMapLoader()
         {
@@ -42,8 +61,8 @@ public void SetMapData(dynamic data)
                 count++;
             }
 
-            _origin.X = (Global.Graphics.PreferredBackBufferWidth - (Rows[0].Count * 16)) / 2;
-            _origin.Y = (Global.Graphics.PreferredBackBufferHeight - (Rows.Count * 16)) / 2;
+            //_origin.X = (Global.Graphics.PreferredBackBufferWidth - (Rows[0].Count * 16)) / 2;
+            //_origin.Y = (Global.Graphics.PreferredBackBufferHeight - (Rows.Count * 16)) / 2;
         }
 
         public void LoadContent(ContentManager content)
@@ -66,7 +85,8 @@ public void Draw(SpriteBatch sb, GameTime gt)
                 for (int j = 0; j < row.Count; j++)
                 {
                     Cell cell = row.Cells[j];
-                    Rectangle rect = new Rectangle(j * 16 + _origin.X, i * 16 + _origin.Y, 16, 16);
+                    //Rectangle rect = new Rectangle(j * 16 + _origin.X, i * 16 + _origin.Y, 16, 16);
+                    Rectangle rect = new Rectangle(j * 16, i * 16, 16, 16);
                     switch (cell.Type)
                     {
                         case 0:
diff --git a/src/monitor/MagCore.Monitor/Modules/ScreenHandler.cs b/src/monitor/MagCore.Monitor/Modules/ScreenHandler.cs
index dc10239..5af0aee 100644
--- a/src/monitor/MagCore.Monitor/Modules/ScreenHandler.cs
+++ b/src/monitor/MagCore.Monitor/Modules/ScreenHandler.cs
@@ -17,8 +17,8 @@ public static void Reset()
 
         public static void ChangeSize(int col, int row)
         {
-            Global.Graphics.PreferredBackBufferWidth = col * 16 + 2;
-            Global.Graphics.PreferredBackBufferHeight = row * 16 + 2;
+            Global.Graphics.PreferredBackBufferWidth = col * 16;
+            Global.Graphics.PreferredBackBufferHeight = row * 16;
             Global.Graphics.ApplyChanges();
         }
     }
diff --git a/src/sdk/JustRush/Program.cs b/src/sdk/JustRush/Program.cs
index 05c0650..40edc22 100644
--- a/src/sdk/JustRush/Program.cs
+++ b/src/sdk/JustRush/Program.cs
@@ -18,9 +18,6 @@ static void Main(string[] args)
             ServerHelper.Initialize("http://106.75.33.221:6000/");
             //ServerHelper.Initialize("http://localhost:6000/");
 
-            map = MapHelper.GetMap("RectSmall");
-            game = new Game(map.Rows.Count, map.Rows[0].Count);
-
             Player:
             Console.WriteLine("Enter nickname:");
             input = Console.ReadLine();
@@ -38,11 +35,17 @@ static void Main(string[] args)
             }
             
             string gameId = string.Empty;
+            string mapName = string.Empty;
             Console.WriteLine("1: Create a new game");
             Console.WriteLine("2: Join a game");
             input = Console.ReadLine();
             if (input == "1")
+            {
+                map = MapHelper.GetMap("RectSmall");
+                game = new Game(map.Rows.Count, map.Rows[0].Count);
                 gameId = GameHelper.CreateGame("RectSmall");
+
+            }
             else
             {
                 Console.WriteLine("Game list:");
@@ -57,7 +60,11 @@ static void Main(string[] args)
                 {
                     for (int i = 0; i < list.Length; i++)
                     {
-                        Console.WriteLine(i.ToString() + " : " + list[i]);
+                        if (list[i].state == 0)
+                        {
+                            Console.WriteLine("{0} : {1} 地图:{2}", i, list[i].id.ToString(), list[i].map.ToString());
+                        }
+                        
                     }
                 }
                 Console.WriteLine("Select a game to join:");
@@ -65,7 +72,12 @@ static void Main(string[] args)
                 if (Int32.TryParse(input.Trim(), out int sel)
                     && sel >= 0 && sel < list.Length)
                 {
-                    gameId = list[sel];
+                    gameId = list[sel].id.ToString();
+                    mapName = list[sel].map.ToString();
+
+                    map = MapHelper.GetMap(mapName);
+                    game = new Game(map.Rows.Count, map.Rows[0].Count);
+
                 }
                 else
                 {
@@ -74,6 +86,7 @@ static void Main(string[] args)
                 }
             }
 
+
             game.Id = gameId;
 
             if (!GameHelper.JoinGame(gameId, self.Id))
diff --git a/src/sdk/MagCore.Sdk/Helper/GameHelper.cs b/src/sdk/MagCore.Sdk/Helper/GameHelper.cs
index 8bd7d2e..3232c7f 100644
--- a/src/sdk/MagCore.Sdk/Helper/GameHelper.cs
+++ b/src/sdk/MagCore.Sdk/Helper/GameHelper.cs
@@ -102,7 +102,7 @@ public static bool GetGame(string gameId, ref Game game)
                 return false;
         }
 
-        public static string[] GameList()
+        public static dynamic[] GameList()
         {
             var code = ApiReq.CreateReq()
                         .WithMethod("api/game", "get")
@@ -110,13 +110,10 @@ public static string[] GameList()
             if (code == System.Net.HttpStatusCode.OK)
             {
                 var result = DynamicJson.Parse(json);
-                List<string> games = new List<string>();
+                List<dynamic> games = new List<dynamic>();
                 foreach (var item in result)
                 {
-                    if ((int)item.state == 0)
-                    {
-                        games.Add(item.id.ToString());
-                    }
+                    games.Add(item);
                 }
 
                 return games.ToArray();
diff --git a/src/server/MagCore.Server/MagCore.Server.csproj b/src/server/MagCore.Server/MagCore.Server.csproj
index 84de16b..d9217db 100644
--- a/src/server/MagCore.Server/MagCore.Server.csproj
+++ b/src/server/MagCore.Server/MagCore.Server.csproj
@@ -24,6 +24,12 @@
   </ItemGroup>
 
   <ItemGroup>
+    <None Update="Maps\RectLarge.map">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="Maps\RectMid.map">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
     <None Update="Maps\RectSmall.map">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
diff --git a/src/server/MagCore.Server/Maps/RectLarge.map b/src/server/MagCore.Server/Maps/RectLarge.map
new file mode 100644
index 0000000..3a720ab
--- /dev/null
+++ b/src/server/MagCore.Server/Maps/RectLarge.map
@@ -0,0 +1,53 @@
+E=4
+S=0
+D=0
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
+11111111111111111111111111111111111111111111111111
diff --git a/src/server/MagCore.Server/Maps/RectMid.map b/src/server/MagCore.Server/Maps/RectMid.map
new file mode 100644
index 0000000..97173a2
--- /dev/null
+++ b/src/server/MagCore.Server/Maps/RectMid.map
@@ -0,0 +1,33 @@
+E=4
+S=0
+D=0
+111111111111111111111111111111
+100011111111111111111111110001
+101111111111111111111111111101
+101001111111111111111111100101
+111011111111111111111111110111
+111110111111111111111111011111
+111111111111111111111111111111
+111111111111111111111111111111
+111111111111111111111111111111
+111111111111111111111111111111
+111111111111111111111111111111
+111111111111111111111111111111
+111111111111111111111111111111
+111111111111111111111111111111
+111111111111111111111111111111
+111111111111111111111111111111
+111111111111111111111111111111
+111111111111111111111111111111
+111111111111111111111111111111
+111111111111111111111111111111
+111111111111111111111111111111
+111111111111111111111111111111
+111111111111111111111111111111
+111111111111111111111111111111
+111110111111111111111111011111
+111011111111111111111111110111
+101001111111111111111111100101
+101111111111111111111111111101
+100011111111111111111111110001
+111111111111111111111111111111
\ No newline at end of file