diff --git a/Entity/Character/Character.cs b/Entity/Character/Character.cs
index 8be1c76..12d3a85 100644
--- a/Entity/Character/Character.cs
+++ b/Entity/Character/Character.cs
@@ -38,7 +38,7 @@ namespace Milimoe.FunGame.Core.Entity
         public CharacterProfile Profile { get; set; }
 
         /// <summary>
-        /// 角色的详细资料
+        /// 角色的装备
         /// </summary>
         public EquipSlot EquipSlot { get; set; }
 
@@ -1122,7 +1122,7 @@ namespace Milimoe.FunGame.Core.Entity
                     builder.Append(skill.ToString());
                 }
             }
-
+            
             if (EquipSlot.Any())
             {
                 builder.AppendLine("== 装备栏 ==");
@@ -1158,6 +1158,15 @@ namespace Milimoe.FunGame.Core.Entity
                 }
             }
 
+            if (Items.Count > 0)
+            {
+                builder.AppendLine("== 角色背包 ==");
+                foreach (Item item in Items)
+                {
+                    builder.Append(item.ToString());
+                }
+            }
+
             if (Effects.Where(e => e.EffectType != EffectType.Item).Any())
             {
                 builder.AppendLine("== 状态栏 ==");
@@ -1275,6 +1284,7 @@ namespace Milimoe.FunGame.Core.Entity
         {
             Character c = new()
             {
+                Id = Id,
                 Name = Name,
                 FirstName = FirstName,
                 NickName = NickName,
@@ -1326,11 +1336,15 @@ namespace Milimoe.FunGame.Core.Entity
             };
             foreach (Skill skill in Skills)
             {
-                c.Skills.Add(skill);
+                Skill newskill = skill.Copy();
+                newskill.Character = c;
+                c.Skills.Add(newskill);
             }
             foreach (Item item in Items)
             {
-                c.Items.Add(item);
+                Item newitem = item.Copy();
+                newitem.Character = c;
+                c.Items.Add(newitem);
             }
             c.Recovery();
             return c;
diff --git a/Entity/Item/Item.cs b/Entity/Item/Item.cs
index becb820..d4846dd 100644
--- a/Entity/Item/Item.cs
+++ b/Entity/Item/Item.cs
@@ -14,17 +14,17 @@ namespace Milimoe.FunGame.Core.Entity
         /// <summary>
         /// 物品的描述
         /// </summary>
-        public virtual string Description { get; } = "";
+        public virtual string Description { get; set; } = "";
 
         /// <summary>
         /// 物品的通用描述
         /// </summary>
-        public virtual string GeneralDescription { get; } = "";
+        public virtual string GeneralDescription { get; set; } = "";
         
         /// <summary>
         /// 物品的背景故事
         /// </summary>
-        public virtual string BackgroundStory { get; } = "";
+        public virtual string BackgroundStory { get; set; } = "";
 
         /// <summary>
         /// 物品类型
@@ -32,7 +32,17 @@ namespace Milimoe.FunGame.Core.Entity
         public virtual ItemType ItemType { get; set; } = ItemType.Others;
 
         /// <summary>
-        /// 物品槽位
+        /// 是否允许装备
+        /// </summary>
+        public bool Equipable { get; set; } = true;
+
+        /// <summary>
+        /// 是否允许取消装备
+        /// </summary>
+        public bool Unequipable { get; set; } = true;
+
+        /// <summary>
+        /// 装备槽位
         /// </summary>
         public virtual EquipSlotType EquipSlotType { get; set; } = EquipSlotType.None;
         
@@ -56,16 +66,6 @@ namespace Milimoe.FunGame.Core.Entity
         /// </summary>
         public bool Enable { get; set; } = true;
         
-        /// <summary>
-        /// 是否允许装备
-        /// </summary>
-        public bool Equipable { get; set; } = true;
-        
-        /// <summary>
-        /// 是否允许取消装备
-        /// </summary>
-        public bool Unequipable { get; set; } = true;
-
         /// <summary>
         /// 是否是局内使用的物品（局内是指对角色生效的物品）
         /// </summary>
@@ -143,7 +143,6 @@ namespace Milimoe.FunGame.Core.Entity
         public void OnItemEquip(Character character, EquipItemToSlot type)
         {
             Character = character;
-            Character.Items.Add(this);
             foreach (Skill skill in Skills.Passives)
             {
                 if (!skill.IsActive && skill.Level > 0)
@@ -206,7 +205,6 @@ namespace Milimoe.FunGame.Core.Entity
                         Character.EquipSlot.Accessory2 = null;
                         break;
                 }
-                Character.Items.Remove(this);
                 OnItemUnEquipped(Character, this, type);
             }
             Character = null;
@@ -388,6 +386,44 @@ namespace Milimoe.FunGame.Core.Entity
             item.NextTradableTime = NextTradableTime;
         }
 
+        /// <summary>
+        /// 复制一个物品
+        /// </summary>
+        /// <returns></returns>
+        public Item Copy()
+        {
+            Item item = new()
+            {
+                Id = Id,
+                Name = Name,
+                Description = Description,
+                GeneralDescription = GeneralDescription,
+                ItemType = ItemType,
+                Equipable = Equipable,
+                Unequipable = Unequipable,
+                EquipSlotType = EquipSlotType,
+                WeaponType = WeaponType,
+                Key = Key,
+                Enable = Enable,
+                IsInGameItem = IsInGameItem,
+                IsPurchasable = IsPurchasable,
+                Price = Price,
+                IsSellable = IsSellable,
+                NextSellableTime = NextSellableTime,
+                IsTradable = IsTradable,
+                NextTradableTime = NextTradableTime,
+                RemainUseTimes = RemainUseTimes,
+            };
+            item.Skills.Active = Skills.Active?.Copy();
+            foreach (Skill skill in Skills.Passives)
+            {
+                Skill newskill = skill.Copy();
+                newskill.Item = item;
+                item.Skills.Passives.Add(newskill);
+            }
+            return item;
+        }
+
         /// <summary>
         /// 所属的角色
         /// </summary>
diff --git a/Entity/Skill/Effect.cs b/Entity/Skill/Effect.cs
index 0297050..b6ea370 100644
--- a/Entity/Skill/Effect.cs
+++ b/Entity/Skill/Effect.cs
@@ -19,40 +19,40 @@ namespace Milimoe.FunGame.Core.Entity
         /// 特殊效果类型<para/>
         /// 注意：如果技能特效没有原生施加控制效果，请始终保持此属性为 <see cref="EffectType.None"/>。
         /// </summary>
-        public virtual EffectType EffectType { get; } = EffectType.None;
+        public virtual EffectType EffectType { get; set; } = EffectType.None;
 
         /// <summary>
         /// 作用于自身
         /// </summary>
-        public virtual bool TargetSelf { get; } = false;
+        public virtual bool TargetSelf { get; set; } = false;
 
         /// <summary>
         /// 作用目标数量
         /// </summary>
-        public virtual int TargetCount { get; } = 0;
+        public virtual int TargetCount { get; set; } = 0;
 
         /// <summary>
         /// 作用范围
         /// </summary>
-        public virtual double TargetRange { get; } = 0;
+        public virtual double TargetRange { get; set; } = 0;
 
         /// <summary>
         /// 持续性的<para/>
         /// 配合 <see cref="Duration"/> 使用，而不是 <see cref="DurationTurn"/>。
         /// </summary>
-        public virtual bool Durative { get; } = false;
+        public virtual bool Durative { get; set; } = false;
 
         /// <summary>
         /// 持续时间<para/>
         /// 配合 <see cref="Durative"/> 使用。
         /// </summary>
-        public virtual double Duration { get; } = 0;
+        public virtual double Duration { get; set; } = 0;
 
         /// <summary>
         /// 持续时间（回合）<para/>
         /// 使用此属性需要将 <see cref="Durative"/> 设置为 false。
         /// </summary>
-        public virtual int DurationTurn { get; } = 0;
+        public virtual int DurationTurn { get; set; } = 0;
 
         /// <summary>
         /// 剩余持续时间
@@ -67,12 +67,12 @@ namespace Milimoe.FunGame.Core.Entity
         /// <summary>
         /// 魔法类型
         /// </summary>
-        public virtual MagicType MagicType { get; } = MagicType.None;
+        public virtual MagicType MagicType { get; set; } = MagicType.None;
 
         /// <summary>
         /// 效果描述
         /// </summary>
-        public virtual string Description { get; } = "";
+        public virtual string Description { get; set; } = "";
 
         /// <summary>
         /// 等级，跟随技能的等级
@@ -434,6 +434,29 @@ namespace Milimoe.FunGame.Core.Entity
             return builder.ToString();
         }
 
+        /// <summary>
+        /// 复制一个特效
+        /// </summary>
+        /// <returns></returns>
+        public Effect Copy(Skill skill)
+        {
+            Effect copy = new(skill)
+            {
+                EffectType = EffectType,
+                TargetSelf = TargetSelf,
+                TargetCount = TargetCount,
+                TargetRange = TargetRange,
+                Durative = Durative,
+                Duration = Duration,
+                DurationTurn = DurationTurn,
+                MagicType = MagicType,
+                Description = Description,
+                ActionQueue = ActionQueue
+            };
+
+            return copy;
+        }
+
         /// <summary>
         /// 比较两个特效
         /// </summary>
diff --git a/Entity/Skill/Skill.cs b/Entity/Skill/Skill.cs
index 5576c6a..ab25ba4 100644
--- a/Entity/Skill/Skill.cs
+++ b/Entity/Skill/Skill.cs
@@ -118,7 +118,7 @@ namespace Milimoe.FunGame.Core.Entity
         /// 冷却时间
         /// </summary>
         [InitRequired]
-        public virtual double CD { get; } = 0;
+        public virtual double CD { get; set; } = 0;
 
         /// <summary>
         /// 剩余冷却时间 [ 建议配合 <see cref="Enable"/>  属性使用 ]
@@ -145,6 +145,11 @@ namespace Milimoe.FunGame.Core.Entity
         /// 游戏中的行动顺序表实例，在技能效果被触发时，此实例会获得赋值，使用时需要判断其是否存在
         /// </summary>
         public ActionQueue? ActionQueue { get; set; } = null;
+        
+        /// <summary>
+        /// 技能是否属于某个物品
+        /// </summary>
+        public Item? Item { get; set; } = null;
 
         /// <summary>
         /// 继承此类实现时，调用基类的构造函数
@@ -308,6 +313,35 @@ namespace Milimoe.FunGame.Core.Entity
             return other is Skill c && c.Id + "." + c.Name == Id + "." + Name;
         }
 
+        /// <summary>
+        /// 复制一个技能
+        /// </summary>
+        /// <returns></returns>
+        public Skill Copy()
+        {
+            Skill s = new()
+            {
+                Id = Id,
+                Name = Name,
+                Description = Description,
+                GeneralDescription = GeneralDescription,
+                SkillType = SkillType,
+                MPCost = MPCost,
+                CastTime = CastTime,
+                EPCost = EPCost,
+                CD = CD,
+                CurrentCD = CurrentCD,
+                HardnessTime = HardnessTime,
+                ActionQueue = ActionQueue
+            };
+            foreach (Effect e in Effects)
+            {
+                Effect neweffect = e.Copy(s);
+                s.Effects.Add(neweffect);
+            }
+            return s;
+        }
+
         /// <summary>
         /// 等级
         /// </summary>
diff --git a/Library/Common/JsonConverter/CharacterConverter.cs b/Library/Common/JsonConverter/CharacterConverter.cs
index 55f8eba..d8c0841 100644
--- a/Library/Common/JsonConverter/CharacterConverter.cs
+++ b/Library/Common/JsonConverter/CharacterConverter.cs
@@ -170,6 +170,20 @@ namespace Milimoe.FunGame.Core.Library.Common.JsonConverter
                 case nameof(Character.ExEvadeRate):
                     result.ExEvadeRate = reader.GetDouble();
                     break;
+                case nameof(Character.Skills):
+                    HashSet<Skill> skills = NetworkUtility.JsonDeserialize<HashSet<Skill>>(ref reader, options) ?? [];
+                    foreach (Skill skill in skills)
+                    {
+                        result.Skills.Add(skill);
+                    }
+                    break;
+                case nameof(Character.Items):
+                    HashSet<Item> items = NetworkUtility.JsonDeserialize<HashSet<Item>>(ref reader, options) ?? [];
+                    foreach (Item item in items)
+                    {
+                        result.Items.Add(item);
+                    }
+                    break;
             }
         }
 
@@ -230,6 +244,10 @@ namespace Milimoe.FunGame.Core.Library.Common.JsonConverter
             writer.WriteNumber(nameof(Character.ExCritRate), value.ExCritRate);
             writer.WriteNumber(nameof(Character.ExCritDMG), value.ExCritDMG);
             writer.WriteNumber(nameof(Character.ExEvadeRate), value.ExEvadeRate);
+            writer.WritePropertyName(nameof(Character.Skills));
+            JsonSerializer.Serialize(writer, value.Skills, options);
+            writer.WritePropertyName(nameof(Character.Items));
+            JsonSerializer.Serialize(writer, value.Items, options);
             writer.WriteEndObject();
         }