diff --git a/scenes/game.tscn b/scenes/game.tscn
index 5a000bd..b4f4b30 100644
--- a/scenes/game.tscn
+++ b/scenes/game.tscn
@@ -72,3 +72,6 @@ script = ExtResource("5_dis4v")
 [node name="DamageNumberContainer" type="Node2D" parent="."]
 
 [node name="WeaponContainer" type="Node2D" parent="."]
+
+[node name="Camera2D" type="Camera2D" parent="."]
+zoom = Vector2(0.5, 0.5)
diff --git a/scripts/loader/sceneLoader/GameSceneLoader.cs b/scripts/loader/sceneLoader/GameSceneLoader.cs
index 3d4969b..6179586 100644
--- a/scripts/loader/sceneLoader/GameSceneLoader.cs
+++ b/scripts/loader/sceneLoader/GameSceneLoader.cs
@@ -34,7 +34,10 @@ public partial class GameSceneLoader : SceneLoaderTemplate
         MapGenerator.LayoutStrategy = new TestLayoutStrategy();
         MapGenerator.LayoutParsingStrategy = new SequenceLayoutParsingStrategy();
         MapGenerator.RoomPlacementStrategy = new PatchworkRoomPlacementStrategy();
-        MapGenerator.Seed = GuidUtils.GetGuid();
+        //Test the seeds used
+        //2531276826 Right-Down和Left-Down匹配成功
+        //4208831693 Left-Down和Right-Up匹配成功
+        MapGenerator.Seed = "2531276826";
         await MapGenerator.GenerateMap();
     }
 }
\ No newline at end of file
diff --git a/scripts/map/interfaces/IRoomSlotsMatcher.cs b/scripts/map/interfaces/IRoomSlotsMatcher.cs
deleted file mode 100644
index 29b0140..0000000
--- a/scripts/map/interfaces/IRoomSlotsMatcher.cs
+++ /dev/null
@@ -1,34 +0,0 @@
-using System.Threading.Tasks;
-using ColdMint.scripts.map.dateBean;
-using ColdMint.scripts.map.room;
-
-namespace ColdMint.scripts.map.interfaces;
-
-/// <summary>
-/// <para>IRoomSlotsMatcher</para>
-/// <para>房间插槽匹配器</para>
-/// </summary>
-public interface IRoomSlotsMatcher
-{
-    /// <summary>
-    /// <para>Whether the slots of the two rooms can be matched</para>
-    /// <para>两个房间的插槽是否可匹配</para>
-    /// </summary>
-    /// <param name="mainRoom"></param>
-    /// <param name="newRoom"></param>
-    /// <returns></returns>
-    Task<bool> IsMatch(Room? mainRoom, Room newRoom);
-
-   
-    /// <summary>
-    /// <para>LastMatchedMainSlot</para>
-    /// <para>最后匹配的主要插槽</para>
-    /// </summary>
-    RoomSlot? LastMatchedMainSlot { get; }
-    
-    /// <summary>
-    /// <para>LastMatchedMinorSlot</para>
-    /// <para>最后匹配的次要插槽</para>
-    /// </summary>
-    RoomSlot? LastMatchedMinorSlot { get; }
-}
\ No newline at end of file
diff --git a/scripts/map/room/Room.cs b/scripts/map/room/Room.cs
index 445d716..dd9c153 100644
--- a/scripts/map/room/Room.cs
+++ b/scripts/map/room/Room.cs
@@ -85,7 +85,7 @@ public class Room
         var midpoint = roomAreaCollisionShape2D.Position + roomAreaRect2.Position + roomAreaRect2.Size / 2;
         //endregion
         var roomSlots = new List<RoomSlot>();
-        for (int i = 0; i < slotCount; i++)
+        for (var i = 0; i < slotCount; i++)
         {
             //拿到了房间卡槽对象
             var area2D = slotList.GetChild<Area2D>(i);
@@ -107,11 +107,13 @@ public class Room
             //转为瓦片地图的坐标(中点)
             var tileMapStartPosition = tileMap.LocalToMap(startPosition);
             var tileMapEndPosition = tileMap.LocalToMap(endPosition);
-            var roomSlot = new RoomSlot();
-            roomSlot.EndPosition = tileMapEndPosition;
-            roomSlot.StartPosition = tileMapStartPosition;
-            //计算槽位的方向(房间中点为原点，指向槽位中点的向量)
-            roomSlot.DistanceToMidpointOfRoom = CoordinateUtils.VectorToOrientationArray(midpoint, midpointOfRoomSlots);
+            var roomSlot = new RoomSlot
+            {
+                EndPosition = tileMapEndPosition,
+                StartPosition = tileMapStartPosition,
+                //计算槽位的方向(房间中点为原点，指向槽位中点的向量)
+                DistanceToMidpointOfRoom = CoordinateUtils.VectorToOrientationArray(midpoint, midpointOfRoomSlots)
+            };
             roomSlots.Add(roomSlot);
         }
 
diff --git a/scripts/map/roomPlacer/PatchworkRoomPlacementStrategy.cs b/scripts/map/roomPlacer/PatchworkRoomPlacementStrategy.cs
index 9b6e846..0f2e7de 100644
--- a/scripts/map/roomPlacer/PatchworkRoomPlacementStrategy.cs
+++ b/scripts/map/roomPlacer/PatchworkRoomPlacementStrategy.cs
@@ -1,8 +1,10 @@
 using System.Threading.Tasks;
+using ColdMint.scripts.debug;
 using ColdMint.scripts.levelGraphEditor;
 using ColdMint.scripts.map.dateBean;
 using ColdMint.scripts.map.interfaces;
 using ColdMint.scripts.map.room;
+using ColdMint.scripts.utils;
 using Godot;
 
 namespace ColdMint.scripts.map.RoomPlacer;
@@ -50,8 +52,48 @@ public class PatchworkRoomPlacementStrategy : IRoomPlacementStrategy
         {
             return Task.FromResult<RoomPlacementData?>(null);
         }
-        // var roomResArray = RoomFactory.RoomTemplateSetToRoomRes(newRoomNodeData.RoomTemplateSet);
-        //TODO:在这里实现房间的放置策略。
+
+        var roomResArray = RoomFactory.RoomTemplateSetToRoomRes(newRoomNodeData.RoomTemplateSet);
+        if (roomResArray.Length == 0)
+        {
+            return Task.FromResult<RoomPlacementData?>(null);
+        }
+
+        var roomSlots = parentRoomNode.RoomSlots;
+        if (roomSlots == null || roomSlots.Length == 0)
+        {
+            return Task.FromResult<RoomPlacementData?>(null);
+        }
+
+        //Matches unmatched slots.
+        //对未匹配的插槽进行匹配。
+        foreach (var roomRes in roomResArray)
+        {
+            var newRoom = RoomFactory.CreateRoom(roomRes);
+            if (newRoom == null)
+            {
+                continue;
+            }
+
+            //Create a room, try to use the room slot to match the existing room slot.
+            //创建了一个房间，尝试使用房间的槽与现有的房间槽匹配。
+            if (!IsMatch(parentRoomNode, newRoom, out var mainRoomSlot, out var newRoomSlot).Result) continue;
+            if (mainRoomSlot == null || newRoomSlot == null)
+            {
+                continue;
+            }
+
+            var position = CalculatedPosition(parentRoomNode, newRoom, mainRoomSlot, newRoomSlot, true)
+                .Result;
+            if (position == null) continue;
+            var roomPlacementData = new RoomPlacementData
+            {
+                Room = newRoom,
+                Position = position
+            };
+            return Task.FromResult<RoomPlacementData?>(roomPlacementData);
+        }
+
         return Task.FromResult<RoomPlacementData?>(null);
     }
 
@@ -79,32 +121,152 @@ public class PatchworkRoomPlacementStrategy : IRoomPlacementStrategy
     }
 
 
+    /// <summary>
+    /// <para>if it matches</para>
+    /// <para>是否匹配</para>
+    /// </summary>
+    /// <param name="mainRoom"></param>
+    /// <param name="newRoom"></param>
+    /// <returns></returns>
+    public Task<bool> IsMatch(Room? mainRoom, Room newRoom, out RoomSlot? outMainRoomSlot, out RoomSlot? outNewRoomSlot)
+    {
+        if (mainRoom == null)
+        {
+            outNewRoomSlot = null;
+            outMainRoomSlot = null;
+            return Task.FromResult(false);
+        }
+
+        var roomSlots = mainRoom.RoomSlots;
+        if (roomSlots == null)
+        {
+            outNewRoomSlot = null;
+            outMainRoomSlot = null;
+            return Task.FromResult(false);
+        }
+
+        var newRoomSlots = newRoom.RoomSlots;
+        if (newRoomSlots == null)
+        {
+            outNewRoomSlot = null;
+            outMainRoomSlot = null;
+            return Task.FromResult(false);
+        }
+
+        foreach (var mainRoomSlot in roomSlots)
+        {
+            if (mainRoomSlot == null || mainRoomSlot.Matched)
+            {
+                //如果已经匹配过了，就不再匹配
+                continue;
+            }
+
+            foreach (var newRoomSlot in newRoomSlots)
+            {
+                if (newRoomSlot == null)
+                {
+                    continue;
+                }
+
+                if (newRoomSlot.Matched)
+                {
+                    //如果已经匹配过了，就不再匹配
+                    continue;
+                }
+
+                if (mainRoomSlot.IsHorizontal != newRoomSlot.IsHorizontal)
+                {
+                    continue;
+                }
+
+                if (mainRoomSlot.Length != newRoomSlot.Length)
+                {
+                    continue;
+                }
+
+                var distanceToMidpointOfRoom = mainRoomSlot.DistanceToMidpointOfRoom;
+                var newDistanceToMidpointOfRoom = newRoomSlot.DistanceToMidpointOfRoom;
+                if (distanceToMidpointOfRoom == null || newDistanceToMidpointOfRoom == null)
+                {
+                    continue;
+                }
+
+                if (distanceToMidpointOfRoom[0] == newDistanceToMidpointOfRoom[0] &&
+                    distanceToMidpointOfRoom[1] == newDistanceToMidpointOfRoom[1])
+                {
+                    continue;
+                }
+
+                LogCat.Log(distanceToMidpointOfRoom[0] + "-" + distanceToMidpointOfRoom[1] + "和" +
+                           newDistanceToMidpointOfRoom[0] + "-" + newDistanceToMidpointOfRoom[1] + "匹配成功");
+                mainRoomSlot.Matched = true;
+                newRoomSlot.Matched = true;
+                outMainRoomSlot = mainRoomSlot;
+                outNewRoomSlot = newRoomSlot;
+                return Task.FromResult(true);
+            }
+        }
+
+        outNewRoomSlot = null;
+        outMainRoomSlot = null;
+        return Task.FromResult(false);
+    }
+
     private Task<Vector2?> CalculatedPosition(Room mainRoom, Room newRoom, RoomSlot? mainRoomSlot,
         RoomSlot? newRoomSlot, bool roomSlotOverlap)
     {
-        if (mainRoom.RootNode == null || mainRoom.TileMap == null || newRoom.TileMap == null || mainRoomSlot == null ||
+        if (mainRoom.RootNode == null || newRoom.RootNode == null || newRoom.TileMap == null ||
+            mainRoom.TileMap == null ||
+            newRoom.TileMap == null || mainRoomSlot == null ||
             newRoomSlot == null)
         {
             return Task.FromResult<Vector2?>(null);
         }
 
-        //计算主插槽中点在世界中的位置。
-        //mainRoom.RootNode.Position意为房间所在的世界位置
-        //mainRoom.TileMap.MapToLocal(mainRoomSlot.StartPosition)意为主插槽在房间中的位置
-        var result = mainRoom.RootNode.Position + mainRoom.TileMap.MapToLocal(mainRoomSlot.StartPosition);
-        if (roomSlotOverlap)
+        //Main room slot location description
+        //主房间槽位置描述
+        var mainOrientationDescribe = mainRoomSlot.DistanceToMidpointOfRoom;
+        //New room slot location description
+        //新房间槽位置描述
+        var newOrientationDescribe = newRoomSlot.DistanceToMidpointOfRoom;
+        if (mainOrientationDescribe == null || newOrientationDescribe == null)
         {
-            //执行减法，从槽中点偏移到左上角
-            result -= _halfCell;
+            //If the room slot is described as null, null is returned
+            //若房间槽描述为null，那么返回null
+            return Task.FromResult<Vector2?>(null);
+        }
+
+        Vector2 result;
+        if (mainOrientationDescribe[0] == CoordinateUtils.OrientationDescribe.Left &&
+            newOrientationDescribe[0] == CoordinateUtils.OrientationDescribe.Right)
+        {
+            //Move left to new room.
+            //左移新房间。
+            var mainSlotPosition = mainRoom.RootNode.Position + mainRoom.TileMap.MapToLocal(mainRoomSlot.StartPosition);
+            var newSlotPosition = newRoom.RootNode.Position + newRoom.TileMap.MapToLocal(newRoomSlot.StartPosition);
+            result = mainSlotPosition +
+                newRoom.TileMap.Position - newRoom.TileMap.MapToLocal(newRoomSlot.StartPosition);
+            //Modified y height
+            //修正y高度
+            result.Y -= newSlotPosition.Y - mainSlotPosition.Y;
+            //If the room slots don't overlap
+            //如果房间槽不能重叠
+            if (!roomSlotOverlap)
+            {
+                result.X -= Config.CellSize;
+            }
         }
         else
         {
-            //执行减法，从槽中点偏移到右下角
-            result += _halfCell;
+            var mainSlotPosition = mainRoom.RootNode.Position + mainRoom.TileMap.MapToLocal(mainRoomSlot.StartPosition);
+            var newSlotPosition = newRoom.RootNode.Position + newRoom.TileMap.MapToLocal(newRoomSlot.StartPosition);
+            result = mainSlotPosition;
+            // result.Y += newSlotPosition.Y - mainSlotPosition.Y;
         }
-        //我们不能将新房间的原点设置在主房间槽的左上角或右下角，这会导致插槽不对应。
 
-        //竖直槽，我们需要在同一水平上。
+
+        //We need to be on the same level.
+        //我们需要在同一水平上。
         if (mainRoomSlot.IsHorizontal)
         {
             result += newRoom.TileMap.MapToLocal(new Vector2I(newRoomSlot.EndPosition.X, 0)) - _halfCell;
diff --git a/scripts/map/slotsMatcher/RoomSlotsMatcher.cs b/scripts/map/slotsMatcher/RoomSlotsMatcher.cs
deleted file mode 100644
index 910165d..0000000
--- a/scripts/map/slotsMatcher/RoomSlotsMatcher.cs
+++ /dev/null
@@ -1,89 +0,0 @@
-using System.Threading.Tasks;
-using ColdMint.scripts.map.dateBean;
-using ColdMint.scripts.map.interfaces;
-using ColdMint.scripts.map.room;
-
-namespace ColdMint.scripts.map.slotsMatcher;
-
-public class RoomSlotsMatcher : IRoomSlotsMatcher
-{
-    private RoomSlot? _lastMatchedMainSlot;
-    private RoomSlot? _lastMatchedMinorSlot;
-
-    public Task<bool> IsMatch(Room? mainRoom, Room newRoom)
-    {
-        if (mainRoom == null)
-        {
-            return Task.FromResult(false);
-        }
-
-        var roomSlots = mainRoom.RoomSlots;
-        if (roomSlots == null)
-        {
-            return Task.FromResult(false);
-        }
-
-        var newRoomSlots = newRoom.RoomSlots;
-        if (newRoomSlots == null)
-        {
-            return Task.FromResult(false);
-        }
-
-        foreach (var mainRoomSlot in roomSlots)
-        {
-            if (mainRoomSlot == null || mainRoomSlot.Matched)
-            {
-                //如果已经匹配过了，就不再匹配
-                continue;
-            }
-
-            foreach (var newRoomSlot in newRoomSlots)
-            {
-                if (newRoomSlot == null)
-                {
-                    continue;
-                }
-
-                if (newRoomSlot.Matched)
-                {
-                    //如果已经匹配过了，就不再匹配
-                    continue;
-                }
-
-                if (mainRoomSlot.IsHorizontal != newRoomSlot.IsHorizontal)
-                {
-                    continue;
-                }
-
-                if (mainRoomSlot.Length != newRoomSlot.Length)
-                {
-                    continue;
-                }
-
-                var distanceToMidpointOfRoom = mainRoomSlot.DistanceToMidpointOfRoom;
-                var newDistanceToMidpointOfRoom = newRoomSlot.DistanceToMidpointOfRoom;
-                if (distanceToMidpointOfRoom == null || newDistanceToMidpointOfRoom == null)
-                {
-                    continue;
-                }
-
-                if (distanceToMidpointOfRoom[0] == newDistanceToMidpointOfRoom[0] &&
-                    distanceToMidpointOfRoom[1] == newDistanceToMidpointOfRoom[1])
-                {
-                    continue;
-                }
-
-                mainRoomSlot.Matched = true;
-                newRoomSlot.Matched = true;
-                _lastMatchedMainSlot = mainRoomSlot;
-                _lastMatchedMinorSlot = newRoomSlot;
-                return Task.FromResult(true);
-            }
-        }
-
-        return Task.FromResult(false);
-    }
-
-    public RoomSlot? LastMatchedMainSlot => _lastMatchedMainSlot;
-    public RoomSlot? LastMatchedMinorSlot => _lastMatchedMinorSlot;
-}
\ No newline at end of file