diff --git a/scripts/Config.cs b/scripts/Config.cs
index 7672413..54694cb 100644
--- a/scripts/Config.cs
+++ b/scripts/Config.cs
@@ -86,7 +86,7 @@ public static class Config
     /// <para>Scale of the room preview view</para>
     /// <para>房间预览图的缩放</para>
     /// </summary>
-    public const float RoomPreviewScale = 5f;
+    public const float RoomPreviewScale = 3f;
 
     /// <summary>
     /// <para>How much blood does a heart represent</para>
@@ -100,12 +100,6 @@ public static class Config
     /// </summary>
     public const string ModManifestFileName = "ModManifest.yaml";
 
-    /// <summary>
-    /// <para>The maximum number of stacked items in a single inventory</para>
-    /// <para>单个物品栏最大堆叠的物品数量</para>
-    /// </summary>
-    public const int MaxStackQuantity = 99;
-
     /// <summary>
     /// <para>Text change buffering Time How long does it take to execute the actual event after an event with a text change listener is triggered? (Anti-shake processing time), unit: milliseconds</para>
     /// <para>当添加了文本改变监听器的事件被触发后，多长时间后执行实际事件？（防抖处理时长），单位：毫秒</para>
diff --git a/scripts/GameSceneDepend.cs b/scripts/GameSceneDepend.cs
index e5d25e8..2b1b4dc 100644
--- a/scripts/GameSceneDepend.cs
+++ b/scripts/GameSceneDepend.cs
@@ -44,12 +44,6 @@ public static class GameSceneDepend
     /// </summary>
     public static Node2D? TemporaryTargetNode { get; set; }
 
-    /// <summary>
-    /// <para>MiniMapContainerNode</para>
-    /// <para>迷你地图容器节点</para>
-    /// </summary>
-    public static Node2D? MiniMapContainerNode { get; set; }
-
     /// <summary>
     /// <para>ProjectileContainer</para>
     /// <para>抛射体容器</para>
diff --git a/scripts/loader/sceneLoader/GameSceneLoader.cs b/scripts/loader/sceneLoader/GameSceneLoader.cs
index 0c3303b..2db575f 100644
--- a/scripts/loader/sceneLoader/GameSceneLoader.cs
+++ b/scripts/loader/sceneLoader/GameSceneLoader.cs
@@ -57,10 +57,6 @@ public partial class GameSceneLoader : SceneLoaderTemplate
         //加载玩家容器
         var playerContainer = GetNode<Node2D>("PlayerContainer");
         GameSceneDepend.PlayerContainer = playerContainer;
-        //Load the room container node
-        //加载房间容器节点
-        var miniMapContainerNode = GetNode<Node2D>("CanvasLayer/Control/MapContainer/MiniMap/RoomPreviewContainer");
-        GameSceneDepend.MiniMapContainerNode = miniMapContainerNode;
         //Setting up the mini map
         //设置迷你地图
         var miniMap = GetNode<MiniMap>("CanvasLayer/Control/MapContainer/MiniMap");
diff --git a/scripts/map/MapGenerator.cs b/scripts/map/MapGenerator.cs
index 1ac9397..d2b1b6d 100644
--- a/scripts/map/MapGenerator.cs
+++ b/scripts/map/MapGenerator.cs
@@ -148,9 +148,9 @@ public static class MapGenerator
             return;
         }
 
-        if (GameSceneDepend.MiniMapContainerNode != null)
+        if (GameSceneDepend.MiniMap != null)
         {
-            NodeUtils.DeleteAllChild(GameSceneDepend.MiniMapContainerNode);
+            GameSceneDepend.MiniMap.Clear();
         }
 
         if (GameSceneDepend.AiCharacterContainer != null)
diff --git a/scripts/map/events/MapGenerationPlaceRoomFinishEvent.cs b/scripts/map/events/MapGenerationPlaceRoomFinishEvent.cs
index 28b4645..ddb3e6e 100644
--- a/scripts/map/events/MapGenerationPlaceRoomFinishEvent.cs
+++ b/scripts/map/events/MapGenerationPlaceRoomFinishEvent.cs
@@ -2,6 +2,10 @@ using ColdMint.scripts.map.dateBean;
 
 namespace ColdMint.scripts.map.events;
 
+/// <summary>
+/// <para>MapGenerationPlaceRoomFinishEvent</para>
+/// <para>地图生成器放置房间完成后执行的事件</para>
+/// </summary>
 public class MapGenerationPlaceRoomFinishEvent
 {
     public string? RoomNodeDataId { get; set; }
diff --git a/scripts/map/miniMap/MiniMap.cs b/scripts/map/miniMap/MiniMap.cs
index 77a7910..796665a 100644
--- a/scripts/map/miniMap/MiniMap.cs
+++ b/scripts/map/miniMap/MiniMap.cs
@@ -1,7 +1,9 @@
+using System.Collections.Generic;
 using ColdMint.scripts.debug;
 using ColdMint.scripts.map.dateBean;
 using ColdMint.scripts.map.events;
 using ColdMint.scripts.map.preview;
+using ColdMint.scripts.map.room;
 using ColdMint.scripts.utils;
 using Godot;
 
@@ -14,13 +16,18 @@ namespace ColdMint.scripts.map.miniMap;
 public partial class MiniMap : NinePatchRect
 {
     private Node2D? _roomPreviewContainer;
-    private Vector2 _miniMapMidpointCoordinate;
 
     /// <summary>
     /// <para>The midpoint coordinates of the mini map</para>
     /// <para>迷你地图的中点坐标</para>
     /// </summary>
-    public Vector2 MiniMapMidpointCoordinate => _miniMapMidpointCoordinate;
+    private Vector2 _miniMapMidpointCoordinate;
+
+    /// <summary>
+    /// <para>Mapping of rooms and room preview images</para>
+    /// <para>房间和房间预览图的映射</para>
+    /// </summary>
+    private readonly Dictionary<Room, TextureRect> _roomToRoomPreviews = [];
 
     /// <summary>
     /// <para>The master node of the map</para>
@@ -35,6 +42,32 @@ public partial class MiniMap : NinePatchRect
         EventBus.MapGenerationPlaceRoomFinishEvent += MapGenerationPlaceRoomFinishEvent;
     }
 
+    /// <summary>
+    /// <para>Clean up all room preview images in the mini map</para>
+    /// <para>清理迷你地图内的所有房间预览图</para>
+    /// </summary>
+    public void Clear()
+    {
+        _roomToRoomPreviews.Clear();
+        if (_roomPreviewContainer != null)
+        {
+            NodeUtils.DeleteAllChild(_roomPreviewContainer);
+        }
+    }
+
+    /// <summary>
+    /// <para>Display room preview image</para>
+    /// <para>显示房间预览图</para>
+    /// </summary>
+    /// <param name="room"></param>
+    public void ShowRoomPreview(Room room)
+    {
+        if (_roomToRoomPreviews.TryGetValue(room, out var roomPreview))
+        {
+            roomPreview.Show();
+        }
+    }
+
     /// <summary>
     /// <para>After the map generator completes placing the room</para>
     /// <para>地图生成器放置房间完成后</para>
@@ -49,12 +82,17 @@ public partial class MiniMap : NinePatchRect
         }
 
         var tileMapLayer = roomPlacementData.NewRoom.GetTileMapLayer(Config.TileMapLayerName.Ground);
-        if (!CreateRoomPreview(tileMapLayer,
-                CalculateRelativePositionOnTheMinimap(tileMapLayer, roomPlacementData)))
+        var textureRect = CreateRoomPreview(tileMapLayer,
+            CalculateRelativePositionOnTheMinimap(tileMapLayer, roomPlacementData));
+        if (textureRect == null)
         {
             LogCat.LogWithFormat("failed_to_create_room_preview", LogCat.LogLabel.Default, LogCat.UploadFormat,
                 mapGenerationPlaceRoomFinishEvent.RoomNodeDataId);
         }
+        else
+        {
+            _roomToRoomPreviews[roomPlacementData.NewRoom] = textureRect;
+        }
     }
 
 
@@ -90,29 +128,26 @@ public partial class MiniMap : NinePatchRect
     ///<para>相对于迷你地图容器中点的位置</para>
     /// </param>
     /// <returns></returns>
-    private bool CreateRoomPreview(TileMapLayer? groundTileMapLayer, Vector2? position)
+    private TextureRect? CreateRoomPreview(TileMapLayer? groundTileMapLayer, Vector2? position)
     {
-        if (GameSceneDepend.MiniMapContainerNode == null || position == null)
+        if (_roomPreviewContainer == null || position == null)
         {
-            return false;
+            return null;
         }
 
         var image = RoomPreview.CreateImage(groundTileMapLayer);
         if (image == null)
         {
-            return false;
+            return null;
         }
 
-        var sprite = new TextureRect();
-        sprite.Scale = new Vector2(Config.RoomPreviewScale, Config.RoomPreviewScale);
-        sprite.Texture = image;
-        if (GameSceneDepend.MiniMap != null)
-        {
-            sprite.Position = GameSceneDepend.MiniMap.MiniMapMidpointCoordinate + position.Value;
-        }
-
-        NodeUtils.CallDeferredAddChild(GameSceneDepend.MiniMapContainerNode, sprite);
-        return true;
+        var textureRect = new TextureRect();
+        textureRect.Scale = new Vector2(Config.RoomPreviewScale, Config.RoomPreviewScale);
+        textureRect.Texture = image;
+        textureRect.Position = _miniMapMidpointCoordinate + position.Value;
+        textureRect.Hide();
+        NodeUtils.CallDeferredAddChild(_roomPreviewContainer, textureRect);
+        return textureRect;
     }
 
     public override void _Process(double delta)
diff --git a/scripts/map/room/Room.cs b/scripts/map/room/Room.cs
index 8882826..e0e1098 100644
--- a/scripts/map/room/Room.cs
+++ b/scripts/map/room/Room.cs
@@ -103,8 +103,10 @@ public class Room
                 _pointLight2D.Texture = AssetHolder.White100;
             }
 
+            GameSceneDepend.MiniMap?.ShowRoomPreview(this);
             ShowAllCharacterTemplate();
-        }else if (node is CharacterTemplate characterTemplate)
+        }
+        else if (node is CharacterTemplate characterTemplate)
         {
             if (_hasPlayer)
             {