diff --git a/scripts/item/ItemTypeManager.cs b/scripts/item/ItemTypeManager.cs
index 5b553a6..9416d07 100644
--- a/scripts/item/ItemTypeManager.cs
+++ b/scripts/item/ItemTypeManager.cs
@@ -16,56 +16,6 @@ namespace ColdMint.scripts.item;
 /// </summary>
 public static class ItemTypeManager
 {
-    //Use for yaml deserialization
-    private record struct ItemTypeInfo(string Id, string ScenePath, string IconPath, int MaxStackValue) { }
-
-    /// <summary>
-    /// <para>Register items from yaml file</para>
-    /// <para>从文件注册物品</para>
-    /// </summary>
-    public static void RegisterFromFile()
-    {
-        LogCat.Log("start_item_register_from_file");
-
-        // initialize yaml deserializer
-        var deserializer = new DeserializerBuilder()
-                          .WithNamingConvention(UnderscoredNamingConvention.Instance) // convent snake_case
-                          .Build();
-
-        // initialize file dir
-        string itemRegsDirPath = "res://data/itemRegs/";
-        var itemRegsDir = DirAccess.Open(itemRegsDirPath);
-        if (DirAccess.GetOpenError() is not Error.Ok)
-        {
-            LogCat.LogError("error_when_open_item_regs_dir");
-        }
-
-        // traverse the dir, find files to register
-        foreach (var file in itemRegsDir.GetFiles())
-        {
-            if (file is null) continue;
-            LogCat.LogWithFormat("item_register_from_file", file);
-
-            // read file, parse to an IEnumerable of type infos
-            var yamlFile = FileAccess.Open($"{itemRegsDirPath}/{file}", FileAccess.ModeFlags.Read);
-            var yamlString = yamlFile.GetAsText();
-            var typeInfos = deserializer.Deserialize<IEnumerable<ItemTypeInfo>>(yamlString);
-            yamlFile.Close();
-
-            // traverse type infos and register them.
-            foreach (var typeInfo in typeInfos)
-            {
-                LogCat.LogWithFormat("item_register_find_item_in_file", typeInfo.Id);
-                var scene = ResourceLoader.Load<PackedScene>(typeInfo.ScenePath);
-                var icon = ResourceLoader.Load<Texture2D>(typeInfo.IconPath);
-                var itemType = new ItemType(typeInfo.Id,
-                                            () => NodeUtils.InstantiatePackedScene<Packsack>(scene),
-                                            icon, typeInfo.MaxStackValue);
-                Register(itemType);
-            }
-        }
-    }
-
     /// <summary>
     /// <para>Register items here</para>
     /// <para>在这里注册物品</para>
diff --git a/scripts/item/ItemTypeRegister.cs b/scripts/item/ItemTypeRegister.cs
new file mode 100644
index 0000000..933492a
--- /dev/null
+++ b/scripts/item/ItemTypeRegister.cs
@@ -0,0 +1,67 @@
+using System.Collections.Generic;
+
+using ColdMint.scripts.debug;
+using ColdMint.scripts.utils;
+
+using Godot;
+
+using YamlDotNet.Serialization;
+using YamlDotNet.Serialization.NamingConventions;
+
+namespace ColdMint.scripts.item;
+
+/// <summary>
+/// 负责从文件注册物品
+/// </summary>
+public static class ItemTypeRegister
+{
+    /// <summary>
+    /// <para>Register items from yaml file</para>
+    /// <para>从文件注册物品</para>
+    /// </summary>
+    public static void RegisterFromFile()
+    {
+        LogCat.Log("start_item_register_from_file");
+
+        // initialize yaml deserializer
+        var deserializer = new DeserializerBuilder()
+                          .WithNamingConvention(UnderscoredNamingConvention.Instance) // convent snake_case
+                          .Build();
+
+        // initialize file dir
+        string itemRegsDirPath = "res://data/itemRegs/";
+        var itemRegsDir = DirAccess.Open(itemRegsDirPath);
+        if (DirAccess.GetOpenError() is not Error.Ok)
+        {
+            LogCat.LogError("error_when_open_item_regs_dir");
+        }
+
+        // traverse the dir, find files to register
+        foreach (var file in itemRegsDir.GetFiles())
+        {
+            if (file is null) continue;
+            LogCat.LogWithFormat("item_register_from_file", file);
+
+            // read file, parse to an IEnumerable of type infos
+            var yamlFile = FileAccess.Open($"{itemRegsDirPath}/{file}", FileAccess.ModeFlags.Read);
+            var yamlString = yamlFile.GetAsText();
+            var typeInfos = deserializer.Deserialize<IEnumerable<ItemTypeInfo>>(yamlString);
+            yamlFile.Close();
+
+            // traverse type infos and register them.
+            foreach (var typeInfo in typeInfos)
+            {
+                LogCat.LogWithFormat("item_register_find_item_in_file", typeInfo.Id);
+                var scene = ResourceLoader.Load<PackedScene>(typeInfo.ScenePath);
+                var icon = ResourceLoader.Load<Texture2D>(typeInfo.IconPath);
+                var itemType = new ItemType(typeInfo.Id,
+                                            () => NodeUtils.InstantiatePackedScene<Packsack>(scene),
+                                            icon, typeInfo.MaxStackValue);
+                ItemTypeManager.Register(itemType);
+            }
+        }
+    }
+    
+    //Use for yaml deserialization
+    private record struct ItemTypeInfo(string Id, string ScenePath, string IconPath, int MaxStackValue) { }
+}
\ No newline at end of file
diff --git a/scripts/loader/uiLoader/MainMenuLoader.cs b/scripts/loader/uiLoader/MainMenuLoader.cs
index 5bad091..3659e79 100644
--- a/scripts/loader/uiLoader/MainMenuLoader.cs
+++ b/scripts/loader/uiLoader/MainMenuLoader.cs
@@ -97,7 +97,7 @@ public partial class MainMenuLoader : UiLoaderTemplate
 
         //Register ItemTypes from file
         //从文件注册物品类型
-        ItemTypeManager.RegisterFromFile();
+        ItemTypeRegister.RegisterFromFile();
         //Hardcoded ItemTypes Register
         //硬编码注册物品类型
         ItemTypeManager.StaticRegister();