diff --git a/data/itemRegs/packsacks.yaml b/data/itemRegs/packsacks.yaml
index 20b9eff..8c83de3 100644
--- a/data/itemRegs/packsacks.yaml
+++ b/data/itemRegs/packsacks.yaml
@@ -1,4 +1,4 @@
 - id: packsack
   scene_path: res://prefab/packsacks/packsack.tscn
-  icon_path: res://sprites/Player.png
+  icon_path: res://sprites/packsack.png
   max_stack_value: 1
diff --git a/data/itemRegs/weapons.yaml b/data/itemRegs/weapons.yaml
index 9637a34..a6a62f4 100644
--- a/data/itemRegs/weapons.yaml
+++ b/data/itemRegs/weapons.yaml
@@ -1,4 +1,4 @@
 - id: staff_of_the_undead
   scene_path: res://prefab/weapons/staffOfTheUndead.tscn
-  icon_path: res://sprites/weapon/staffOfTheUndead.png
+  icon_path: res://sprites/weapon/staffOfTheUndead_icon.png
   max_stack_value: 1
diff --git a/prefab/packsacks/packsack.tscn b/prefab/packsacks/packsack.tscn
index 8160034..2b6750f 100644
--- a/prefab/packsacks/packsack.tscn
+++ b/prefab/packsacks/packsack.tscn
@@ -1,20 +1,34 @@
-[gd_scene load_steps=4 format=3 uid="uid://cn10fimoem04m"]
+[gd_scene load_steps=5 format=3 uid="uid://cn10fimoem04m"]
 
 [ext_resource type="Script" path="res://scripts/item/Packsack.cs" id="1_slakl"]
-[ext_resource type="Texture2D" uid="uid://b1twcink38sh0" path="res://sprites/Player.png" id="2_e1ale"]
+[ext_resource type="Texture2D" uid="uid://dvx10dfjctn7t" path="res://sprites/packsack.png" id="2_40jca"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_brthl"]
+size = Vector2(21, 29)
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_xqyue"]
-size = Vector2(41, 57)
+size = Vector2(21, 29)
 
 [node name="RigidBody2D" type="RigidBody2D"]
 collision_layer = 8
 collision_mask = 38
 script = ExtResource("1_slakl")
 Id = "packsack"
+_minContactInjury = null
+_maxContactInjury = null
 
-[node name="Player" type="Sprite2D" parent="."]
-texture = ExtResource("2_e1ale")
+[node name="DamageArea2D" type="Area2D" parent="."]
+collision_layer = 8
+collision_mask = 102
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="DamageArea2D"]
+position = Vector2(-2.5, 1.5)
+shape = SubResource("RectangleShape2D_brthl")
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="."]
-position = Vector2(-0.5, 3.5)
+position = Vector2(-2.5, 1.5)
 shape = SubResource("RectangleShape2D_xqyue")
+
+[node name="Packsack" type="Sprite2D" parent="."]
+scale = Vector2(0.5, 0.5)
+texture = ExtResource("2_40jca")
diff --git a/prefab/roomTemplates/dungeon/initialRoom.tscn b/prefab/roomTemplates/dungeon/initialRoom.tscn
index c313f04..06fa45b 100644
--- a/prefab/roomTemplates/dungeon/initialRoom.tscn
+++ b/prefab/roomTemplates/dungeon/initialRoom.tscn
@@ -45,42 +45,18 @@ script = ExtResource("2_6p8mv")
 
 [node name="StaffOfTheUndead" parent="." instance=ExtResource("3_ud0w8")]
 position = Vector2(231, 116)
-_minContactInjury = null
-_maxContactInjury = null
-_firingIntervalAsMillisecond = null
-_recoil = null
 
 [node name="StaffOfTheUndead2" parent="." instance=ExtResource("3_ud0w8")]
 position = Vector2(113, 149)
-_minContactInjury = null
-_maxContactInjury = null
-_firingIntervalAsMillisecond = null
-_recoil = null
 
 [node name="StaffOfTheUndead5" parent="." instance=ExtResource("3_ud0w8")]
 position = Vector2(213, 177)
-_minContactInjury = null
-_maxContactInjury = null
-_firingIntervalAsMillisecond = null
-_recoil = null
 
 [node name="StaffOfTheUndead6" parent="." instance=ExtResource("3_ud0w8")]
 position = Vector2(290, 167)
-_minContactInjury = null
-_maxContactInjury = null
-_firingIntervalAsMillisecond = null
-_recoil = null
 
 [node name="StaffOfTheUndead3" parent="." instance=ExtResource("3_ud0w8")]
 position = Vector2(70, 88)
-_minContactInjury = null
-_maxContactInjury = null
-_firingIntervalAsMillisecond = null
-_recoil = null
 
 [node name="StaffOfTheUndead4" parent="." instance=ExtResource("3_ud0w8")]
 position = Vector2(367, 85)
-_minContactInjury = null
-_maxContactInjury = null
-_firingIntervalAsMillisecond = null
-_recoil = null
diff --git a/prefab/ui/ItemSlot.tscn b/prefab/ui/ItemSlot.tscn
index 4b1437c..bb518a1 100644
--- a/prefab/ui/ItemSlot.tscn
+++ b/prefab/ui/ItemSlot.tscn
@@ -6,6 +6,7 @@
 [node name="ItemSlot" type="MarginContainer"]
 offset_right = 38.0
 offset_bottom = 38.0
+size_flags_vertical = 3
 theme_override_constants/margin_left = 3
 theme_override_constants/margin_top = 3
 theme_override_constants/margin_right = 3
@@ -16,16 +17,18 @@ script = ExtResource("1_fbwot")
 layout_mode = 2
 texture = ExtResource("1_y2wyt")
 
-[node name="CenterContainer" type="CenterContainer" parent="BackgroundTexture"]
-layout_mode = 2
-offset_right = 160.0
-offset_bottom = 160.0
+[node name="IconTextureRect" type="TextureRect" parent="BackgroundTexture"]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_left = 3.0
+offset_top = 3.0
+offset_right = -3.0
+offset_bottom = -3.0
 grow_horizontal = 2
 grow_vertical = 2
-scale = Vector2(0.2, 0.2)
-
-[node name="IconTextureRect" type="TextureRect" parent="BackgroundTexture/CenterContainer"]
-layout_mode = 2
+expand_mode = 1
 
 [node name="Control" type="Control" parent="."]
 layout_mode = 2
diff --git a/prefab/ui/contributorGroup.tscn b/prefab/ui/contributorGroup.tscn
index 8f30514..688b8d3 100644
--- a/prefab/ui/contributorGroup.tscn
+++ b/prefab/ui/contributorGroup.tscn
@@ -9,7 +9,6 @@ anchor_right = 1.0
 anchor_bottom = 1.0
 grow_horizontal = 2
 grow_vertical = 2
-size_flags_horizontal = 3
 size_flags_vertical = 3
 script = ExtResource("1_xwjh1")
 
@@ -17,6 +16,8 @@ script = ExtResource("1_xwjh1")
 layout_mode = 1
 anchors_preset = 10
 anchor_right = 1.0
+offset_left = 20.0
+offset_right = -1082.0
 offset_bottom = 39.0
 grow_horizontal = 2
 theme_override_font_sizes/font_size = 25
@@ -27,6 +28,9 @@ layout_mode = 1
 anchors_preset = 15
 anchor_right = 1.0
 anchor_bottom = 1.0
-offset_top = 51.0
+offset_left = 15.0
+offset_top = 45.0
+offset_right = -14.0
+offset_bottom = -6.0
 grow_horizontal = 2
 grow_vertical = 2
diff --git a/prefab/ui/packsackUI.tscn b/prefab/ui/packsackUI.tscn
new file mode 100644
index 0000000..97249e6
--- /dev/null
+++ b/prefab/ui/packsackUI.tscn
@@ -0,0 +1,32 @@
+[gd_scene load_steps=2 format=3 uid="uid://dsat7xk63bfg2"]
+
+[ext_resource type="Script" path="res://scripts/inventory/PacksackUi.cs" id="1_jgs18"]
+
+[node name="PacksackUi" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_left = 33.0
+offset_top = 81.0
+offset_right = -58.0
+offset_bottom = -35.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_jgs18")
+
+[node name="GridContainer" type="GridContainer" parent="."]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="Label" type="Label" parent="."]
+layout_mode = 0
+offset_left = 3.0
+offset_top = -43.0
+offset_right = 43.0
+offset_bottom = -18.0
+text = "背包"
diff --git a/prefab/weapons/staffOfTheUndead.tscn b/prefab/weapons/staffOfTheUndead.tscn
index 29cebc9..63d73e1 100644
--- a/prefab/weapons/staffOfTheUndead.tscn
+++ b/prefab/weapons/staffOfTheUndead.tscn
@@ -15,16 +15,16 @@ collision_layer = 8
 collision_mask = 34
 script = ExtResource("1_w8hhv")
 ProjectileScenes = [ExtResource("2_34250")]
+_firingIntervalAsMillisecond = null
+_recoil = null
 Id = "staff_of_the_undead"
 _minContactInjury = null
 _maxContactInjury = null
-_firingIntervalAsMillisecond = null
-_recoil = null
 metadata/Projectiles = PackedStringArray("res://prefab/projectile/curseOfTheUndead.tscn")
 
 [node name="DamageArea2D" type="Area2D" parent="."]
 collision_layer = 8
-collision_mask = 71
+collision_mask = 70
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="DamageArea2D"]
 position = Vector2(25.5, 0.5)
diff --git a/project.godot b/project.godot
index 933865e..fa06aa6 100644
--- a/project.godot
+++ b/project.godot
@@ -153,7 +153,7 @@ locale/translations=PackedStringArray("res://locals/DeathInfo.en.translation", "
 2d_physics/layer_1="RoomArea"
 2d_physics/layer_2="Ground"
 2d_physics/layer_3="Player"
-2d_physics/layer_4="Weapon"
+2d_physics/layer_4="PickAbleItem"
 2d_physics/layer_5="Projectile"
 2d_physics/layer_6="Platform"
 2d_physics/layer_7="Mob"
diff --git a/scripts/Config.cs b/scripts/Config.cs
index 5263cc5..e159156 100644
--- a/scripts/Config.cs
+++ b/scripts/Config.cs
@@ -377,7 +377,7 @@ public static class Config
         public const int RoomArea = 1;
         public const int Ground = 2;
         public const int Player = 3;
-        public const int Weapon = 4;
+        public const int PickAbleItem = 4;
         public const int Projectile = 5;
         public const int Platform = 6;
         public const int Mob = 7;
diff --git a/scripts/SloganProvider.cs b/scripts/SloganProvider.cs
index a92fe2a..384c140 100644
--- a/scripts/SloganProvider.cs
+++ b/scripts/SloganProvider.cs
@@ -1,4 +1,4 @@
-using ColdMint.scripts.utils;
+using ColdMint.scripts.utils;
 
 using Godot;
 
diff --git a/scripts/character/CharacterTemplate.cs b/scripts/character/CharacterTemplate.cs
index dac5540..1391747 100644
--- a/scripts/character/CharacterTemplate.cs
+++ b/scripts/character/CharacterTemplate.cs
@@ -10,7 +10,7 @@ using ColdMint.scripts.inventory;
 using ColdMint.scripts.item;
 using ColdMint.scripts.utils;
 using ColdMint.scripts.item.weapon;
-
+using ColdMint.scripts.pickable;
 using Godot;
 
 namespace ColdMint.scripts.character;
@@ -309,14 +309,14 @@ public partial class CharacterTemplate : CharacterBody2D
         //设置捡起物品的常规处理。
         //You can supplement picking up state handling for more types of objects here.
         //您可以在这里补充更多类型对象的捡起状态处理。
-        if (pickAbleItem is WeaponTemplate weaponTemplate)
+        if (pickAbleItem is PickAbleTemplate pickAbleTemplate)
         {
-            weaponTemplate.Owner = this;
-            weaponTemplate.Picked = true;
-            weaponTemplate.SetCollisionMaskValue(Config.LayerNumber.Platform, false);
-            weaponTemplate.SetCollisionMaskValue(Config.LayerNumber.Ground,   false);
-            weaponTemplate.EnableContactInjury = false;
-            weaponTemplate.Sleeping = true;
+            pickAbleTemplate.Owner = this;
+            pickAbleTemplate.Picked = true;
+            pickAbleTemplate.SetCollisionMaskValue(Config.LayerNumber.Platform, false);
+            pickAbleTemplate.SetCollisionMaskValue(Config.LayerNumber.Ground,   false);
+            pickAbleTemplate.EnableContactInjury = false;
+            pickAbleTemplate.Sleeping = true;
         }
 
         if (itemSlotNode.GetItem() != null && itemSlotNode.GetItem() == item && _currentItem == null)
@@ -674,31 +674,31 @@ public partial class CharacterTemplate : CharacterBody2D
         CallDeferred("NodeReparent", node2D);
         switch (item)
         {
-            case WeaponTemplate weaponTemplate:
+            case PickAbleTemplate pickAbleTemplate:
                 if (GameSceneNodeHolder.WeaponContainer == null)
                 {
                     return;
                 }
 
-                weaponTemplate.Picked = false;
+                pickAbleTemplate.Picked = false;
                 var timer = new Timer();
-                weaponTemplate.AddChild(timer);
+                pickAbleTemplate.AddChild(timer);
                 timer.WaitTime = _itemCollisionRecoveryTime;
                 timer.OneShot = true;
                 timer.Timeout += () =>
                 {
                     //We cannot immediately resume the physical collision when the weapon is discharged, which will cause the weapon to collide with the ground and platform earlier, preventing the weapon from flying.
                     //仍出武器时，我们不能立即恢复物理碰撞，立即恢复会导致武器更早的与地面和平台碰撞，阻止武器的飞行。
-                    weaponTemplate.EnableContactInjury = true;
-                    weaponTemplate.SetCollisionMaskValue(Config.LayerNumber.Ground,   true);
-                    weaponTemplate.SetCollisionMaskValue(Config.LayerNumber.Platform, true);
+                    pickAbleTemplate.EnableContactInjury = true;
+                    pickAbleTemplate.SetCollisionMaskValue(Config.LayerNumber.Ground,   true);
+                    pickAbleTemplate.SetCollisionMaskValue(Config.LayerNumber.Platform, true);
                     timer.QueueFree();
                 };
                 timer.Start();
-                weaponTemplate.Sleeping = false;
+                pickAbleTemplate.Sleeping = false;
                 //Setting an initial speed of 0 for items here prevents the problem of throwing items too fast.
                 //在这里给物品设置一个为0的初始速度，可防止扔出物品时速度过快的问题。
-                weaponTemplate.LinearVelocity = Vector2.Zero;
+                pickAbleTemplate.LinearVelocity = Vector2.Zero;
                 break;
         }
 
diff --git a/scripts/character/Player.cs b/scripts/character/Player.cs
index a965b5c..f60298f 100644
--- a/scripts/character/Player.cs
+++ b/scripts/character/Player.cs
@@ -4,11 +4,11 @@ using System.Threading.Tasks;
 
 using ColdMint.scripts.damage;
 using ColdMint.scripts.deathInfo;
+using ColdMint.scripts.debug;
 using ColdMint.scripts.item;
 using ColdMint.scripts.map.events;
 using ColdMint.scripts.utils;
-using ColdMint.scripts.item.weapon;
-
+using ColdMint.scripts.pickable;
 using Godot;
 
 namespace ColdMint.scripts.character;
@@ -24,7 +24,7 @@ public partial class Player : CharacterTemplate
 
     //Empty object projectile
     //空的物品抛射线
-    private readonly Vector2[] _emptyVector2Array = new[] { Vector2.Zero };
+    private readonly Vector2[] _emptyVector2Array = [Vector2.Zero];
 
     //抛物线
     private Line2D? _parabola;
@@ -337,9 +337,9 @@ public partial class Player : CharacterTemplate
         base.Flip();
         //If there is a weapon, flip it too
         //如果有武器的话，也要翻转
-        if (CurrentItem is WeaponTemplate weapon)
+        if (CurrentItem is PickAbleTemplate pickAbleTemplate)
         {
-            weapon.Flip(FacingLeft);
+            pickAbleTemplate.Flip(FacingLeft);
         }
     }
 
@@ -408,16 +408,16 @@ public partial class Player : CharacterTemplate
                                            : new Vector2(0, -PromptTextDistance);
                 _floatLabel.RotationDegrees = 0 - rotationDegreesNode2D;
                 var label = _floatLabel.GetNode<Label>("Label");
-                if (node is WeaponTemplate weapon)
+                if (node is PickAbleTemplate pickAbleTemplate)
                 {
                     var stringBuilder = new StringBuilder();
-                    if (weapon.Owner is CharacterTemplate characterTemplate)
+                    if (pickAbleTemplate.Owner is CharacterTemplate characterTemplate)
                     {
                         stringBuilder.Append(characterTemplate.ReadOnlyCharacterName);
                         stringBuilder.Append(TranslationServerUtils.Translate("de"));
                     }
 
-                    stringBuilder.Append(TranslationServerUtils.Translate(weapon.Name));
+                    stringBuilder.Append(TranslationServerUtils.Translate(pickAbleTemplate.Name));
                     label.Text = stringBuilder.ToString();
                 }
             }
diff --git a/scripts/contribute/ContributorData.cs b/scripts/contribute/ContributorData.cs
index 7857a6e..af7deae 100644
--- a/scripts/contribute/ContributorData.cs
+++ b/scripts/contribute/ContributorData.cs
@@ -18,6 +18,12 @@ public class ContributorData
     /// </summary>
     public string? Url { get; set; }
     
+    /// <summary>
+    /// <para>ToolTip</para>
+    /// <para>工具提示</para>
+    /// </summary>
+    public string? ToolTip { get; set; }
+    
     /// <summary>
     /// <para>Type of contribution</para>
     /// <para>贡献的类型</para>
diff --git a/scripts/contribute/ContributorDataManager.cs b/scripts/contribute/ContributorDataManager.cs
index e8af8d2..7195b4e 100644
--- a/scripts/contribute/ContributorDataManager.cs
+++ b/scripts/contribute/ContributorDataManager.cs
@@ -18,19 +18,27 @@ public static class ContributorDataManager
         {
             Name = "Cold-Mint",
             Url = "https://github.com/Cold-Mint",
-            ContributorTypes = [ContributorType.Coder]
+            ContributorTypes = [ContributorType.Coder],
         },
         new ContributorData
         {
-            Name = "Web13234",
+            Name = "霧雨烨",
             Url = "https://github.com/Web13234",
             ContributorTypes = [ContributorType.Coder]
         },
         new ContributorData
         {
-            Name = "HYPERLINK BLOCKED",
+            Name = "[HYPERLINK BLOCKED]",
             Url = "https://www.pixiv.net/users/74412798",
-            ContributorTypes = [ContributorType.Artist]
+            ContributorTypes = [ContributorType.Artist],
+            ToolTip = "贡献死灵法杖和背包的贴图。"
+        },
+        new ContributorData
+        {
+            Name = "\u2605如爱生",
+            Url = "https://space.bilibili.com/425243934",
+            ContributorTypes = [ContributorType.Artist],
+            ToolTip = "贡献了一些枪械贴图。"
         }
     ];
 
diff --git a/scripts/debug/LogCat.cs b/scripts/debug/LogCat.cs
index 08468ab..a991a60 100644
--- a/scripts/debug/LogCat.cs
+++ b/scripts/debug/LogCat.cs
@@ -70,7 +70,9 @@ public static class LogCat
         }
 
         StringBuilder.Append(DateTime.Now.ToString(" yyyy-M-d HH:mm:ss : "));
-        StringBuilder.Append(TranslationServerUtils.Translate($"log_{message}"));
+        var key = $"log_{message}";
+        var translationResult = TranslationServerUtils.Translate(key);
+        StringBuilder.Append(translationResult == key ? message : translationResult);
         return StringBuilder;
     }
 
diff --git a/scripts/inventory/IItemContainer.cs b/scripts/inventory/IItemContainer.cs
index 81b2778..355f0d5 100644
--- a/scripts/inventory/IItemContainer.cs
+++ b/scripts/inventory/IItemContainer.cs
@@ -1,9 +1,7 @@
 using System;
 using System.Collections.Generic;
-
 using ColdMint.scripts.item;
 using ColdMint.scripts.item.itemStacks;
-
 using Godot;
 
 namespace ColdMint.scripts.inventory;
@@ -193,7 +191,10 @@ public interface IItemContainer : IEnumerable<ItemSlotNode>
     /// <para>Match the first item slot that satisfies the predicate</para>
     /// <para>匹配首个拥有满足指定条件的物品槽</para>
     /// </summary>
-    /// <param name="predicate"></param>
+    /// <param name="predicate">
+    ///<para>predicate</para>
+    ///<para>谓语</para>
+    /// </param>
     /// <returns>
     /// <para>Return null if there is no slot satisfies the predicate</para>
     /// <para>若没有满足条件的槽位，返回null</para>
diff --git a/scripts/inventory/ItemSlotNode.cs b/scripts/inventory/ItemSlotNode.cs
index a3ff2c8..9907637 100644
--- a/scripts/inventory/ItemSlotNode.cs
+++ b/scripts/inventory/ItemSlotNode.cs
@@ -327,7 +327,7 @@ public partial class ItemSlotNode : MarginContainer
         _backgroundTextureWhenSelect = GD.Load<Texture2D>("res://sprites/ui/ItemBarFocus.png");
         _backgroundTextureRect =
             GetNode<TextureRect>("BackgroundTexture");
-        _iconTextureRect = GetNode<TextureRect>("BackgroundTexture/CenterContainer/IconTextureRect");
+        _iconTextureRect = GetNode<TextureRect>("BackgroundTexture/IconTextureRect");
         _quantityLabel = GetNode<Label>("Control/QuantityLabel");
         _control = GetNode<Control>("Control");
         _quantityLabel.Hide();
diff --git a/scripts/inventory/PacksackUi.cs b/scripts/inventory/PacksackUi.cs
new file mode 100644
index 0000000..ae778e5
--- /dev/null
+++ b/scripts/inventory/PacksackUi.cs
@@ -0,0 +1,60 @@
+using ColdMint.scripts.utils;
+using Godot;
+
+namespace ColdMint.scripts.inventory;
+
+/// <summary>
+/// <para>Backpack UI</para>
+/// <para>背包UI</para>
+/// </summary>
+public partial class PacksackUi : Control
+{
+    private IItemContainer? _itemContainer;
+
+    private PackedScene? _packedScene;
+
+    private GridContainer? _gridContainer;
+
+    /// <summary>
+    /// <para>Packsack</para>
+    /// <para>背包</para>
+    /// </summary>
+    public IItemContainer? ItemContainer
+    {
+        get => _itemContainer;
+        set
+        {
+            _itemContainer = value;
+            PlaceItemSlot(value);
+        }
+    }
+
+    /// <summary>
+    /// <para>Place item slots according to item information</para>
+    /// <para>根据物品信息放置物品槽</para>
+    /// </summary>
+    /// <param name="itemContainer"></param>
+    private void PlaceItemSlot(IItemContainer? itemContainer)
+    {
+        if (_gridContainer == null || itemContainer == null)
+        {
+            return;
+        }
+
+        NodeUtils.DeleteAllChild(_gridContainer);
+        foreach (var itemSlotNode in itemContainer)
+        {
+            itemSlotNode.Reparent(_gridContainer);
+        }
+    }
+
+    public override void _Ready()
+    {
+        _packedScene = GD.Load<PackedScene>("res://prefab/ui/ItemSlot.tscn");
+        _gridContainer = GetNode<GridContainer>("GridContainer");
+        _gridContainer.Columns = Config.HotBarSize;
+        //If the item container was set before this node was placed in the node tree, load it here.
+        //若物品容器在此节点放置到节点树之前被设置了，那么在这里加载。
+        PlaceItemSlot(_itemContainer);
+    }
+}
\ No newline at end of file
diff --git a/scripts/item/ItemTypeManager.cs b/scripts/item/ItemTypeManager.cs
index 5b553a6..964e3ca 100644
--- a/scripts/item/ItemTypeManager.cs
+++ b/scripts/item/ItemTypeManager.cs
@@ -16,6 +16,7 @@ namespace ColdMint.scripts.item;
 /// </summary>
 public static class ItemTypeManager
 {
+    //用于yaml反序列化
     //Use for yaml deserialization
     private record struct ItemTypeInfo(string Id, string ScenePath, string IconPath, int MaxStackValue) { }
 
@@ -27,32 +28,37 @@ public static class ItemTypeManager
     {
         LogCat.Log("start_item_register_from_file");
 
+        // 初始化yaml反序列化器
         // initialize yaml deserializer
         var deserializer = new DeserializerBuilder()
                           .WithNamingConvention(UnderscoredNamingConvention.Instance) // convent snake_case
                           .Build();
 
-        // initialize file dir
-        string itemRegsDirPath = "res://data/itemRegs/";
+        //初始化文件目录
+        //initialize file dir
+        var 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
+        //遍历目录，找到要注册的文件
+        //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
+            //读取文件，解析为类型为info的IEnumerable
+            //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.
+            //遍历类型信息并注册它们。
+            //traverse type infos and register them.
             foreach (var typeInfo in typeInfos)
             {
                 LogCat.LogWithFormat("item_register_find_item_in_file", typeInfo.Id);
diff --git a/scripts/item/Packsack.cs b/scripts/item/Packsack.cs
index 5d70057..8654563 100644
--- a/scripts/item/Packsack.cs
+++ b/scripts/item/Packsack.cs
@@ -1,5 +1,6 @@
 using ColdMint.scripts.inventory;
-using ColdMint.scripts.item.itemStacks;
+using ColdMint.scripts.pickable;
+using ColdMint.scripts.utils;
 using Godot;
 
 namespace ColdMint.scripts.item;
@@ -8,22 +9,12 @@ namespace ColdMint.scripts.item;
 /// <para>packsack</para>
 /// <para>背包</para>
 /// </summary>
-public partial class Packsack : RigidBody2D, IItem
+public partial class Packsack : PickAbleTemplate
 {
-    [Export] public string Id { get; protected set; } = "place_holder_id";
+    private PackedScene? _packedScene;
+    private PacksackUi? _packsackUi;
 
-    protected Texture2D? UniqueIcon { get; set; }
-    public Texture2D Icon => UniqueIcon ?? ItemTypeManager.DefaultIconOf(Id);
-
-    protected string? UniqueName { get; set; }
-    public new string Name => UniqueName ?? ItemTypeManager.DefaultNameOf(Id);
-
-    protected string? UniqueDescription { get; set; }
-    public string? Description => UniqueDescription ?? ItemTypeManager.DefaultDescriptionOf(Id);
-
-    public void Use(Node2D? owner, Vector2 targetGlobalPosition) { }
-
-    public void Destroy()
+    public override void Destroy()
     {
         if (ItemContainer == null) return;
         foreach (var itemSlot in ItemContainer)
@@ -34,19 +25,26 @@ public partial class Packsack : RigidBody2D, IItem
         QueueFree();
     }
 
-    public bool CanStackWith(IItem item) => false;
-
-    public IItemStack SpecialStack()
+    public override void Use(Node2D? owner, Vector2 targetGlobalPosition)
     {
-        return new PacksackStack(this);
+        if (_packedScene == null)
+        {
+            return;
+        }
+        if (_packsackUi == null)
+        {
+            _packsackUi = NodeUtils.InstantiatePackedScene<PacksackUi>(_packedScene,this);
+        }
+        _packsackUi?.Show();
     }
 
-
     public IItemContainer? ItemContainer { get; private set; }
 
     public override void _Ready()
     {
         base._Ready();
         ItemContainer = new UniversalItemContainer();
+        _packedScene = GD.Load<PackedScene>("res://prefab/ui/packsackUI.tscn");
+        
     }
 }
\ No newline at end of file
diff --git a/scripts/item/weapon/WeaponTemplate.cs b/scripts/item/weapon/WeaponTemplate.cs
index e05fc82..ff08f75 100644
--- a/scripts/item/weapon/WeaponTemplate.cs
+++ b/scripts/item/weapon/WeaponTemplate.cs
@@ -1,8 +1,6 @@
 using System;
-
-using ColdMint.scripts.camp;
 using ColdMint.scripts.character;
-using ColdMint.scripts.damage;
+using ColdMint.scripts.pickable;
 using Godot;
 
 namespace ColdMint.scripts.item.weapon;
@@ -11,57 +9,14 @@ namespace ColdMint.scripts.item.weapon;
 /// <para>WeaponTemplate</para>
 /// <para>武器模板</para>
 /// </summary>
-public abstract partial class WeaponTemplate : RigidBody2D, IItem
+public abstract partial class WeaponTemplate : PickAbleTemplate
 {
     private float _gravity = ProjectSettings.GetSetting("physics/2d/default_gravity").AsSingle();
-
-    //Implements IItem
-    [Export] public virtual string Id { get; private set; } = "ID";
-
-    protected Texture2D? UniqueIcon { get; set; }
-    public Texture2D Icon => UniqueIcon ?? ItemTypeManager.DefaultIconOf(Id);
-
-    protected string? UniqueName { get; set; }
-    public new string Name => UniqueName ?? ItemTypeManager.DefaultNameOf(Id);
-
-    protected string? UniqueDescription { get; set; }
-    public string? Description => UniqueDescription ?? ItemTypeManager.DefaultDescriptionOf(Id);
-
-
-    public void Use(Node2D? owner, Vector2 targetGlobalPosition)
+    public override void Use(Node2D? owner, Vector2 targetGlobalPosition)
     {
         Fire(owner, targetGlobalPosition);
     }
 
-    public virtual void Destroy()
-    {
-        QueueFree();
-    }
-
-    public bool CanStackWith(IItem item) => false;
-
-
-    /// <summary>
-    /// <para>Whether the weapon is currently picked up</para>
-    /// <para>当前武器是否被捡起了</para>
-    /// </summary>
-    public bool Picked { get; set; }
-
-    /// <summary>
-    /// <para>Owner</para>
-    /// <para>主人</para>
-    /// </summary>
-    public new Node2D? Owner { get; set; }
-
-
-    /// <summary>
-    /// <para>Enabled contact injury</para>
-    /// <para>启用接触伤害</para>
-    /// </summary>
-    public bool EnableContactInjury;
-
-    [Export] private int _minContactInjury = 1;
-    [Export] private int _maxContactInjury = 2;
 
     private DateTime? _lastFiringTime;
 
@@ -83,115 +38,15 @@ public abstract partial class WeaponTemplate : RigidBody2D, IItem
     /// </remarks>
     [Export] private Vector2 _recoil;
 
-    /// <summary>
-    /// <para>This area represents the collision range of the weapon, and when other nodes enter this area, they will deal damage.</para>
-    /// <para>这个区域表示武器的碰撞范围，当其他节点进入此区域时，会造成伤害。</para>
-    /// </summary>
-    private Area2D? _damageArea2D;
-
-    /// <summary>
-    /// <para>The number of tile maps in contact with this weapon</para>
-    /// <para>与此武器接触的瓦片地图数量</para>
-    /// </summary>
-    private int _tileMapNumber;
-
-
     public override void _Ready()
     {
-        _damageArea2D = GetNode<Area2D>("DamageArea2D");
-        _damageArea2D.BodyEntered += OnBodyEnter;
-        _damageArea2D.BodyExited += OnBodyExited;
-
         _firingInterval = TimeSpan.FromMilliseconds(_firingIntervalAsMillisecond);
     }
 
-    private void OnBodyExited(Node node)
-    {
-        if (Picked)
-        {
-            return;
-        }
+   
 
-        //If it leaves the ground or walls.
-        //如果离开了地面或墙壁。
-        if (node is TileMap)
-        {
-            _tileMapNumber--;
-            if (_tileMapNumber == 0)
-            {
-                //No longer in contact with any shingles can cause injury
-                //不再与任何瓦片接触后，可以造成伤害
-                EnableContactInjury = true;
-                SetCollisionMaskValue(Config.LayerNumber.Player, false);
-            }
-        }
-    }
+ 
 
-    /// <summary>
-    /// <para>Use weapons against the enemy</para>
-    /// <para>使用武器砸敌人</para>
-    /// </summary>
-    /// <param name="node"></param>
-    private void OnBodyEnter(Node node)
-    {
-        if (Picked)
-        {
-            return;
-        }
-
-        if (node is TileMap)
-        {
-            _tileMapNumber++;
-            EnableContactInjury = false;
-            //Items can be pushed by the player when they are on the ground
-            //当物品在地面上时，可被玩家推动
-            SetCollisionMaskValue(Config.LayerNumber.Player, true);
-        }
-        else if (node is CharacterTemplate characterTemplate)
-        {
-            if (!EnableContactInjury)
-            {
-                return;
-            }
-
-
-            if (Owner is not CharacterTemplate ownerCharacterTemplate)
-            {
-                return;
-            }
-
-            //Determine if your side can cause damage
-            //判断所属的阵营是否可以造成伤害
-            var canCauseHarm = CampManager.CanCauseHarm(CampManager.GetCamp(ownerCharacterTemplate.CampId),
-                                                        CampManager.GetCamp(characterTemplate.CampId));
-            if (!canCauseHarm)
-            {
-                return;
-            }
-
-            //If allowed to cause harm
-            //如果允许造成伤害
-            var damage = new Damage
-            {
-                MaxDamage = Math.Abs(_maxContactInjury),
-                MinDamage = Math.Abs(_minContactInjury),
-                Attacker = ownerCharacterTemplate
-            };
-            damage.CreateDamage();
-            damage.MoveLeft = LinearVelocity.X < 0;
-            damage.Type = Config.DamageType.Physical;
-            characterTemplate.Damage(damage);
-            //Reduce speed after hitting enemies.
-            //击中敌人后减少速度。
-            LinearVelocity *= 1 - Config.ThrownItemsHitEnemiesReduceSpeedByPercentage;
-        }
-    }
-
-    /// <summary>
-    /// <para>翻转武器</para>
-    /// </summary>
-    /// <param name="facingLeft"></param>
-    public void Flip(bool facingLeft) { }
 
 
     /// <summary>
diff --git a/scripts/loader/uiLoader/ContributorGroupLoader.cs b/scripts/loader/uiLoader/ContributorGroupLoader.cs
index 4c35f58..a5971e8 100644
--- a/scripts/loader/uiLoader/ContributorGroupLoader.cs
+++ b/scripts/loader/uiLoader/ContributorGroupLoader.cs
@@ -73,8 +73,18 @@ public partial class ContributorGroupLoader : UiLoaderTemplate
         foreach (var contributorData in contributorDataArray)
         {
             var linkButton = new LinkButton();
+            linkButton.Underline = LinkButton.UnderlineMode.OnHover;
             linkButton.Text = contributorData.Name;
             linkButton.Uri = contributorData.Url;
+            var toolTip = contributorData.ToolTip;
+            if (toolTip == null)
+            {
+                linkButton.TooltipText = contributorData.Url;
+            }
+            else
+            {
+                linkButton.TooltipText = contributorData.ToolTip;
+            }
             _flowContainer.AddChild(linkButton);
         }
     }
diff --git a/scripts/loader/uiLoader/ContributorLoader.cs b/scripts/loader/uiLoader/ContributorLoader.cs
index f36f350..9642d6b 100644
--- a/scripts/loader/uiLoader/ContributorLoader.cs
+++ b/scripts/loader/uiLoader/ContributorLoader.cs
@@ -1,5 +1,4 @@
-using System.Collections.Generic;
-using ColdMint.scripts.contribute;
+using ColdMint.scripts.contribute;
 using ColdMint.scripts.utils;
 using Godot;
 
diff --git a/scripts/pickable/PickAbleTemplate.cs b/scripts/pickable/PickAbleTemplate.cs
new file mode 100644
index 0000000..36e2da3
--- /dev/null
+++ b/scripts/pickable/PickAbleTemplate.cs
@@ -0,0 +1,165 @@
+using System;
+using ColdMint.scripts.camp;
+using ColdMint.scripts.character;
+using ColdMint.scripts.damage;
+using ColdMint.scripts.item;
+using Godot;
+
+namespace ColdMint.scripts.pickable;
+
+/// <summary>
+/// <para>Templates for all fallen objects</para>
+/// <para>所有掉落物的模板</para>
+/// </summary>
+public partial class PickAbleTemplate : RigidBody2D, IItem
+{
+    [Export] public virtual string Id { get; set; } = "ID";
+    protected Texture2D? UniqueIcon { get; set; }
+    public Texture2D Icon => UniqueIcon ?? ItemTypeManager.DefaultIconOf(Id);
+    protected string? UniqueName { get; set; }
+    public new string Name => UniqueName ?? ItemTypeManager.DefaultNameOf(Id);
+    protected string? UniqueDescription { get; set; }
+    
+    /// <summary>
+    /// <para>Owner</para>
+    /// <para>主人</para>
+    /// </summary>
+    public new Node2D? Owner { get; set; }
+
+    /// <summary>
+    /// <para>Enabled contact injury</para>
+    /// <para>启用接触伤害</para>
+    /// </summary>
+    public bool EnableContactInjury;
+
+    [Export] private int _minContactInjury = 1;
+    [Export] private int _maxContactInjury = 2;
+
+    public string? Description => UniqueDescription ?? ItemTypeManager.DefaultDescriptionOf(Id);
+
+    /// <summary>
+    /// <para>The number of tile maps that come into contact with this item</para>
+    /// <para>与此物品接触的瓦片地图数量</para>
+    /// </summary>
+    private int _tileMapNumber;
+
+    /// <summary>
+    /// <para>This area represents the collision range of the weapon, and when other nodes enter this area, they will deal damage.</para>
+    /// <para>这个区域表示武器的碰撞范围，当其他节点进入此区域时，会造成伤害。</para>
+    /// </summary>
+    private Area2D? _damageArea2D;
+
+    /// <summary>
+    /// <para>Whether the item is currently picked up</para>
+    /// <para>当前物品是否被捡起了</para>
+    /// </summary>
+    public bool Picked { get; set; }
+
+    public virtual void Use(Node2D? owner, Vector2 targetGlobalPosition)
+    {
+    }
+
+    public override void _Ready()
+    {
+        _damageArea2D = GetNode<Area2D>("DamageArea2D");
+        _damageArea2D.BodyEntered += OnBodyEnter;
+        _damageArea2D.BodyExited += OnBodyExited;
+    }
+
+    private void OnBodyExited(Node node)
+    {
+        if (Picked)
+        {
+            return;
+        }
+
+        //If it leaves the ground or walls.
+        //如果离开了地面或墙壁。
+        if (node is TileMap)
+        {
+            _tileMapNumber--;
+            if (_tileMapNumber == 0)
+            {
+                //No longer in contact with any shingles can cause injury
+                //不再与任何瓦片接触后，可以造成伤害
+                EnableContactInjury = true;
+                SetCollisionMaskValue(Config.LayerNumber.Player, false);
+            }
+        }
+    }
+
+    /// <summary>
+    /// <para>Use objects to smash enemies</para>
+    /// <para>使用物品砸敌人</para>
+    /// </summary>
+    /// <param name="node"></param>
+    private void OnBodyEnter(Node node)
+    {
+        if (Picked)
+        {
+            return;
+        }
+
+        if (node is TileMap)
+        {
+            _tileMapNumber++;
+            EnableContactInjury = false;
+            //Items can be pushed by the player when they are on the ground
+            //当物品在地面上时，可被玩家推动
+            SetCollisionMaskValue(Config.LayerNumber.Player, true);
+        }
+        else if (node is CharacterTemplate characterTemplate)
+        {
+            if (!EnableContactInjury)
+            {
+                return;
+            }
+
+
+            if (Owner is not CharacterTemplate ownerCharacterTemplate)
+            {
+                return;
+            }
+
+            //Determine if your side can cause damage
+            //判断所属的阵营是否可以造成伤害
+            var canCauseHarm = CampManager.CanCauseHarm(CampManager.GetCamp(ownerCharacterTemplate.CampId),
+                CampManager.GetCamp(characterTemplate.CampId));
+            if (!canCauseHarm)
+            {
+                return;
+            }
+
+            //If allowed to cause harm
+            //如果允许造成伤害
+            var damage = new Damage
+            {
+                MaxDamage = Math.Abs(_maxContactInjury),
+                MinDamage = Math.Abs(_minContactInjury),
+                Attacker = ownerCharacterTemplate
+            };
+            damage.CreateDamage();
+            damage.MoveLeft = LinearVelocity.X < 0;
+            damage.Type = Config.DamageType.Physical;
+            characterTemplate.Damage(damage);
+            //Reduce speed after hitting enemies.
+            //击中敌人后减少速度。
+            LinearVelocity *= 1 - Config.ThrownItemsHitEnemiesReduceSpeedByPercentage;
+        }
+    }
+    
+    
+    /// <summary>
+    /// <para>Flip item</para>
+    /// <para>翻转物品</para>
+    /// </summary>
+    /// <param name="facingLeft"></param>
+    public void Flip(bool facingLeft) { }
+
+    public virtual void Destroy()
+    {
+        QueueFree();
+    }
+
+    public bool CanStackWith(IItem item) => false;
+}
\ No newline at end of file
diff --git a/sprites/Player.png b/sprites/Player.png
index db3634b..957abca 100644
Binary files a/sprites/Player.png and b/sprites/Player.png differ
diff --git a/sprites/packsack.png b/sprites/packsack.png
new file mode 100644
index 0000000..529efff
Binary files /dev/null and b/sprites/packsack.png differ
diff --git a/sprites/packsack.png.import b/sprites/packsack.png.import
new file mode 100644
index 0000000..7f66256
--- /dev/null
+++ b/sprites/packsack.png.import
@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://dvx10dfjctn7t"
+path="res://.godot/imported/packsack.png-ba078a68a3754f332c41ffcad073a395.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://sprites/packsack.png"
+dest_files=["res://.godot/imported/packsack.png-ba078a68a3754f332c41ffcad073a395.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
diff --git a/sprites/ui/ItemBarEmpty.png b/sprites/ui/ItemBarEmpty.png
index 731de91..f28a767 100644
Binary files a/sprites/ui/ItemBarEmpty.png and b/sprites/ui/ItemBarEmpty.png differ
diff --git a/sprites/ui/ItemBarFocus.png b/sprites/ui/ItemBarFocus.png
index bd8e051..ef0de2c 100644
Binary files a/sprites/ui/ItemBarFocus.png and b/sprites/ui/ItemBarFocus.png differ
diff --git a/sprites/weapon/staffOfTheUndead.png b/sprites/weapon/staffOfTheUndead.png
index 4936518..1c755d3 100644
Binary files a/sprites/weapon/staffOfTheUndead.png and b/sprites/weapon/staffOfTheUndead.png differ
diff --git a/sprites/weapon/staffOfTheUndead_icon.png b/sprites/weapon/staffOfTheUndead_icon.png
new file mode 100644
index 0000000..a466b27
Binary files /dev/null and b/sprites/weapon/staffOfTheUndead_icon.png differ
diff --git a/sprites/weapon/staffOfTheUndead_icon.png.import b/sprites/weapon/staffOfTheUndead_icon.png.import
new file mode 100644
index 0000000..9327de7
--- /dev/null
+++ b/sprites/weapon/staffOfTheUndead_icon.png.import
@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://dg5vwprt66w4j"
+path="res://.godot/imported/staffOfTheUndead_icon.png-4ca5c1341e2dac55b2ef4a0fc05b6e6c.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://sprites/weapon/staffOfTheUndead_icon.png"
+dest_files=["res://.godot/imported/staffOfTheUndead_icon.png-4ca5c1341e2dac55b2ef4a0fc05b6e6c.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1