diff --git a/Api/Factory/CharacterFactory.cs b/Api/Factory/CharacterFactory.cs
index 2ffa4ef..eb3907e 100644
--- a/Api/Factory/CharacterFactory.cs
+++ b/Api/Factory/CharacterFactory.cs
@@ -1,7 +1,15 @@
-namespace Milimoe.FunGame.Core.Api.Factory
-{
-    internal class CharacterFactory
-    {
+using Milimoe.FunGame.Core.Entity;
+using Milimoe.FunGame.Core.Interface.Base;
 
+namespace Milimoe.FunGame.Core.Api.Factory
+{
+    internal class CharacterFactory : IFactory<Character>
+    {
+        public Type EntityType => typeof(Character);
+
+        public Character Create()
+        {
+            return new Character();
+        }
     }
 }
diff --git a/Api/Factory/InventoryFactory.cs b/Api/Factory/InventoryFactory.cs
index 72fa95f..a88c1cc 100644
--- a/Api/Factory/InventoryFactory.cs
+++ b/Api/Factory/InventoryFactory.cs
@@ -1,7 +1,15 @@
-namespace Milimoe.FunGame.Core.Api.Factory
+using Milimoe.FunGame.Core.Entity;
+using Milimoe.FunGame.Core.Interface.Base;
+
+namespace Milimoe.FunGame.Core.Api.Factory
 {
-    internal class InventoryFactory
+    internal class InventoryFactory : IFactory<Inventory>
     {
-        
+        public Type EntityType => typeof(Inventory);
+
+        public Inventory Create()
+        {
+            return new Inventory();
+        }
     }
 }
diff --git a/Api/Factory/ItemFactory.cs b/Api/Factory/ItemFactory.cs
index 00c349d..aad04ca 100644
--- a/Api/Factory/ItemFactory.cs
+++ b/Api/Factory/ItemFactory.cs
@@ -1,22 +1,32 @@
-using Milimoe.FunGame.Core.Library.Constant;
+using Milimoe.FunGame.Core.Entity;
+using Milimoe.FunGame.Core.Interface.Base;
+using Milimoe.FunGame.Core.Library.Constant;
 
 namespace Milimoe.FunGame.Core.Api.Factory
 {
-    internal class ItemFactory
+    internal class ItemFactory : IFactory<Item>
     {
-        internal static Milimoe.FunGame.Core.Entity.Item? GetInstance(ItemType type, int id, string name)
+        public Type EntityType => _EntityType;
+
+        private Type _EntityType = typeof(Item);
+
+        public Item Create(ItemType type = ItemType.Passive)
         {
-            Milimoe.FunGame.Core.Entity.Item? item = null;
             switch (type)
             {
-                case ItemType.Active:
-                    item = new Milimoe.FunGame.Core.Entity.ActiveItem(id, name);
-                    break;
                 case ItemType.Passive:
-                    item = new Milimoe.FunGame.Core.Entity.PassiveItem(id, name);
-                    break;
+                    _EntityType = typeof(PassiveItem);
+                    return new PassiveItem();
+                case ItemType.Active:
+                default:
+                    _EntityType = typeof(ActiveItem);
+                    return new ActiveItem();
             }
-            return item;
+        }
+
+        public Item Create()
+        {
+            return Create(ItemType.Passive);
         }
     }
 }
diff --git a/Api/Factory/RoomFactory.cs b/Api/Factory/RoomFactory.cs
index f82f35f..888cdd3 100644
--- a/Api/Factory/RoomFactory.cs
+++ b/Api/Factory/RoomFactory.cs
@@ -1,13 +1,21 @@
-using System.Data;
-using Milimoe.FunGame.Core.Entity;
+using Milimoe.FunGame.Core.Entity;
+using Milimoe.FunGame.Core.Interface.Base;
+using Milimoe.FunGame.Core.Library.Constant;
 
 namespace Milimoe.FunGame.Core.Api.Factory
 {
-    internal class RoomFactory
+    internal class RoomFactory : IFactory<Room>
     {
-        internal static Room GetInstance(DataSet? DsRoom, DataSet? DsUser, int Index = 0)
+        public Type EntityType => typeof(Room);
+
+        public Room Create()
         {
-            return new Room(DsRoom, DsUser, Index);
+            return RoomFactory.Create();
+        }
+
+        public static Room Create(long Id = 0, string Roomid = "-1", DateTime? CreateTime = null, User? RoomMaster = null, RoomType RoomType = RoomType.None, RoomState RoomState = RoomState.Created, string Password = "")
+        {
+            return new Room(Id, Roomid, CreateTime, RoomMaster, RoomType, RoomState, Password);
         }
     }
 }
diff --git a/Api/Factory/SkillFactory.cs b/Api/Factory/SkillFactory.cs
index ad1d761..d530d06 100644
--- a/Api/Factory/SkillFactory.cs
+++ b/Api/Factory/SkillFactory.cs
@@ -1,19 +1,32 @@
-using System.Data;
-using Milimoe.FunGame.Core.Entity;
+using Milimoe.FunGame.Core.Entity;
+using Milimoe.FunGame.Core.Interface.Base;
 using Milimoe.FunGame.Core.Library.Constant;
 
 namespace Milimoe.FunGame.Core.Api.Factory
 {
-    internal class SkillFactory
+    internal class SkillFactory : IFactory<Skill>
     {
-        internal static Skill GetInstance(DataSet? DataSet, SkillType type = SkillType.Passive, int Index = 0)
+        public Type EntityType => _EntityType;
+
+        private Type _EntityType = typeof(Skill);
+
+        internal Skill Create(SkillType type = SkillType.Passive)
         {
-            Skill skill = type switch
+            switch (type)
             {
-                SkillType.Active => new ActiveSkill(DataSet, Index),
-                _ => new PassiveSkill(DataSet, Index)
-            };
-            return skill;
+                case SkillType.Passive:
+                    _EntityType = typeof(PassiveSkill);
+                    return new PassiveSkill();
+                case SkillType.Active:
+                default:
+                    _EntityType = typeof(ActiveSkill);
+                    return new ActiveSkill();
+            }
+        }
+
+        public Skill Create()
+        {
+            return Create(SkillType.Passive);
         }
     }
 }
diff --git a/Api/Factory/UserFactory.cs b/Api/Factory/UserFactory.cs
index 3017219..8520552 100644
--- a/Api/Factory/UserFactory.cs
+++ b/Api/Factory/UserFactory.cs
@@ -1,13 +1,15 @@
-using System.Data;
 using Milimoe.FunGame.Core.Entity;
+using Milimoe.FunGame.Core.Interface.Base;
 
 namespace Milimoe.FunGame.Core.Api.Factory
 {
-    internal class UserFactory
+    internal class UserFactory : IFactory<User>
     {
-        internal static User GetInstance(DataSet? DataSet, int Index = 0)
+        public Type EntityType => typeof(User);
+
+        public User Create()
         {
-            return new User(DataSet, Index);
+            return new User();
         }
     }
 }
diff --git a/Api/Transmittal/SQLHelper.cs b/Api/Transmittal/SQLHelper.cs
index 4b8e475..963c221 100644
--- a/Api/Transmittal/SQLHelper.cs
+++ b/Api/Transmittal/SQLHelper.cs
@@ -24,7 +24,7 @@ namespace Milimoe.FunGame.Core.Api.Transmittal
         /// </summary>
         /// <param name="Result">执行结果</param>
         /// <returns>影响的行数</returns>
-        public abstract int Execute(out SQLResult Result);
+        public abstract int Execute();
 
         /// <summary>
         /// 执行一个指定的命令
@@ -32,14 +32,14 @@ namespace Milimoe.FunGame.Core.Api.Transmittal
         /// <param name="Script">命令</param>
         /// <param name="Result">执行结果</param>
         /// <returns>影响的行数</returns>
-        public abstract int Execute(string Script, out SQLResult Result);
+        public abstract int Execute(string Script);
 
         /// <summary>
         /// 查询DataSet
         /// </summary>
         /// <param name="Result">执行结果</param>
         /// <returns>结果集</returns>
-        public abstract DataSet ExecuteDataSet(out SQLResult Result);
+        public abstract DataSet ExecuteDataSet();
 
         /// <summary>
         /// 执行指定的命令查询DataSet
@@ -47,7 +47,7 @@ namespace Milimoe.FunGame.Core.Api.Transmittal
         /// <param name="Script">命令</param>
         /// <param name="Result">执行结果</param>
         /// <returns>结果集</returns>
-        public abstract DataSet ExecuteDataSet(string Script, out SQLResult Result);
+        public abstract DataSet ExecuteDataSet(string Script);
 
         /// <summary>
         /// 关闭连接
diff --git a/Api/Utility/Factory.cs b/Api/Utility/Factory.cs
index f260253..1418bae 100644
--- a/Api/Utility/Factory.cs
+++ b/Api/Utility/Factory.cs
@@ -1,5 +1,4 @@
-using System.Data;
-using Milimoe.FunGame.Core.Api.Factory;
+using Milimoe.FunGame.Core.Api.Factory;
 using Milimoe.FunGame.Core.Entity;
 using Milimoe.FunGame.Core.Library.Constant;
 
@@ -7,16 +6,73 @@ namespace Milimoe.FunGame.Core.Api.Utility
 {
     public class Factory
     {
+        private readonly static CharacterFactory CharacterFactory = new();
+        private readonly static InventoryFactory InventoryFactory = new();
+        private readonly static ItemFactory ItemFactory = new();
+        private readonly static RoomFactory RoomFactory = new();
+        private readonly static SkillFactory SkillFactory = new();
+        private readonly static UserFactory UserFactory = new();
+
         /// <summary>
-        /// 获取Room实例
+        /// 获取角色实例
         /// </summary>
-        /// <param name="DsRoom">Room</param>
-        /// <param name="DsUser">User(RoomMaster)</param>
-        /// <param name="Index">取指定行</param>
         /// <returns></returns>
-        public static Room GetRoom(DataSet? DsRoom, DataSet? DsUser, int Index = 0)
+        public static Character GetCharacter()
         {
-            return RoomFactory.GetInstance(DsRoom, DsUser, Index);
+            return CharacterFactory.Create();
+        }
+
+        /// <summary>
+        /// 获取库存实例
+        /// </summary>
+        /// <returns></returns>
+        public static Inventory GetInventory()
+        {
+            return InventoryFactory.Create();
+        }
+
+        /// <summary>
+        /// 获取物品实例，默认返回Passiveitem 被动物品 需要强制转换
+        /// </summary>
+        /// <param name="type">Item类型 主动 或 被动</param>
+        /// <returns></returns>
+        public static Item GetItem(ItemType type = ItemType.Passive)
+        {
+            return ItemFactory.Create(type);
+        }
+
+        /// <summary>
+        /// 获取主动物品实例
+        /// </summary>
+        /// <returns></returns>
+        public static ActiveItem GetActiveItem()
+        {
+            return (ActiveItem)ItemFactory.Create(ItemType.Active);
+        }
+
+        /// <summary>
+        /// 获取被动物品实例
+        /// </summary>
+        /// <returns></returns>
+        public static PassiveItem GetPassiveItem()
+        {
+            return (PassiveItem)ItemFactory.Create(ItemType.Passive);
+        }
+
+        /// <summary>
+        /// 获取房间实例
+        /// </summary>
+        /// <param name="Id">房间内部序列号</param>
+        /// <param name="Roomid">房间号</param>
+        /// <param name="CreateTime">创建时间</param>
+        /// <param name="RoomMaster">房主</param>
+        /// <param name="RoomType">房间类型</param>
+        /// <param name="RoomState">房间状态</param>
+        /// <param name="Password">房间密码</param>
+        /// <returns></returns>
+        public static Room GetRoom(long Id = 0, string Roomid = "-1", DateTime? CreateTime = null, User? RoomMaster = null, RoomType RoomType = RoomType.None, RoomState RoomState = RoomState.Created, string Password = "")
+        {
+            return RoomFactory.Create(Id, Roomid, CreateTime, RoomMaster, RoomType, RoomState, Password);
         }
 
         /// <summary>
@@ -25,129 +81,44 @@ namespace Milimoe.FunGame.Core.Api.Utility
         /// <returns></returns>
         internal static Room GetHall()
         {
-            return GetRoom(null, null);
+            return RoomFactory.Create();
         }
 
         /// <summary>
-        /// 获取Skill实例，默认返回PassiveSkill
+        /// 获取技能实例，默认返回PassiveSkill 被动技能 需要强制转换
         /// </summary>
-        /// <param name="DataSet">SkillRow</param>
-        /// <param name="SkillType">Skill类型</param>
-        /// <param name="Index">取指定行</param>
+        /// <param name="type">Skill类型 主动 或 被动</param>
         /// <returns></returns>
-        public static Skill GetSkill(DataSet? DataSet, SkillType SkillType = SkillType.Passive, int Index = 0)
+        public static Skill GetSkill(SkillType type = SkillType.Passive)
         {
-            return SkillFactory.GetInstance(DataSet, SkillType, Index);
+            return SkillFactory.Create(type);
         }
-
+        
         /// <summary>
-        /// 获取User实例
-        /// </summary>awaa
-        /// <param name="DataSet">UserRow</param>
-        /// <param name="Index">取指定行</param>
+        /// 获取主动技能实例
+        /// </summary>
         /// <returns></returns>
-        public static User GetUser(DataSet? DataSet, int Index = 0)
+        public static ActiveSkill GetActiveSkill()
         {
-            return UserFactory.GetInstance(DataSet, Index);
+            return (ActiveSkill)SkillFactory.Create(SkillType.Active);
+        }
+        
+        /// <summary>
+        /// 获取被动技能实例
+        /// </summary>
+        /// <returns></returns>
+        public static PassiveSkill GetPassiveSkill()
+        {
+            return (PassiveSkill)SkillFactory.Create(SkillType.Passive);
         }
 
         /// <summary>
-        /// 获取一个不为NULL的实例
-        /// <para>Item默认返回PassiveItem</para>
-        /// <para>Skill默认返回PassiveSkill</para>
-        /// <para>若无法找到T，返回唯一的空对象</para>
+        /// 获取用户实例
         /// </summary>
-        /// <typeparam name="T">Entity类</typeparam>
-        /// <param name="DataSets">使用DataSets构造对象</param>
-        /// <returns>T</returns>
-        public static T GetInstance<T>(params DataSet?[] DataSets)
+        /// <returns></returns>
+        public static User GetUser()
         {
-            if (DataSets is null || DataSets.Length == 0) throw new GetInstanceException();
-            object instance = General.EntityInstance;
-            if (typeof(T) == typeof(User))
-            {
-                instance = GetUser(DataSets[0]);
-            }
-            else if (typeof(T) == typeof(Skill) || typeof(T) == typeof(PassiveSkill))
-            {
-                instance = GetSkill(DataSets[0]);
-            }
-            else if (typeof(T) == typeof(ActiveSkill))
-            {
-                instance = GetSkill(DataSets[0], SkillType.Active);
-            }
-            else if (typeof(T) == typeof(Room))
-            {
-                instance = GetRoom(DataSets[0], DataSets[1]);
-            }
-            return (T)instance;
-        }
-
-        /// <summary>
-        /// 获取T的数组
-        /// <para>Item默认返回PassiveItem数组</para>
-        /// <para>Skill默认返回PassiveSkill数组</para>
-        /// <para>若无法找到T，返回空数组</para>
-        /// </summary>
-        /// <typeparam name="T">Entity类</typeparam>
-        /// <param name="DataSets">使用DataSet构造对象数组</param>
-        /// <returns>List T</returns>
-        public static List<T> GetList<T>(params DataSet?[] DataSets)
-        {
-            List<T> list = new();
-            if (DataSets is null || DataSets.Length == 0) throw new GetInstanceException();
-            if (typeof(T) == typeof(User))
-            {
-                DataSet? ds = DataSets[0];
-                if (ds != null && ds.Tables[0].Rows.Count > 0)
-                {
-                    for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
-                    {
-                        object entity = GetUser(ds, i);
-                        list.Add((T)entity);
-                    }
-                }
-            }
-            else if (typeof(T) == typeof(Skill) || typeof(T) == typeof(PassiveSkill))
-            {
-                DataSet? ds = DataSets[0];
-                if (ds != null && ds.Tables[0].Rows.Count > 0)
-                {
-                    for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
-                    {
-                        object entity = GetSkill(ds, SkillType.Passive, i);
-                        list.Add((T)entity);
-                    }
-                }
-            }
-            else if (typeof(T) == typeof(ActiveSkill))
-            {
-                DataSet? ds = DataSets[0];
-                if (ds != null && ds.Tables[0].Rows.Count > 0)
-                {
-                    for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
-                    {
-                        object entity = GetSkill(ds, SkillType.Active, i);
-                        list.Add((T)entity);
-                    }
-                }
-            }
-            else if (typeof(T) == typeof(Room))
-            {
-                DataSet? DsRoom = DataSets[0];
-                DataSet? DsUser = DataSets[1];
-                object entity = General.HallInstance;
-                list.Add((T)entity);
-                if (DsRoom != null && DsRoom.Tables[0].Rows.Count > 0)
-                {
-                    for (int i = 0; i < DsRoom.Tables[0].Rows.Count; i++)
-                    {
-                        entity = GetRoom(DsRoom, DsUser, i);
-                        list.Add((T)entity);
-                    }
-                }
-            }
-            return list;
+            return UserFactory.Create();
         }
     }
 }
diff --git a/Entity/Character/Character.cs b/Entity/Character/Character.cs
index 561d6cc..e535a87 100644
--- a/Entity/Character/Character.cs
+++ b/Entity/Character/Character.cs
@@ -50,7 +50,12 @@ namespace Milimoe.FunGame.Core.Entity
         public decimal CritRate { get; set; } = 0.05M; // 暴击率
         public decimal CritDMG { get; set; } = 1.25M; // 暴击伤害
         public decimal EvadeRate { get; set; } = 0.05M; // 闪避率
-        public Hashtable? Skills { get; set; } = new Hashtable();
-        public Hashtable? Items { get; set; } = new Hashtable();
+        public Hashtable Skills { get; set; } = new();
+        public Hashtable Items { get; set; } = new();
+
+        public Character()
+        {
+            
+        }
     }
 }
diff --git a/Entity/Skill/ActiveSkill.cs b/Entity/Skill/ActiveSkill.cs
index 83ff263..ddc1ca6 100644
--- a/Entity/Skill/ActiveSkill.cs
+++ b/Entity/Skill/ActiveSkill.cs
@@ -1,6 +1,4 @@
-using System.Data;
-
-namespace Milimoe.FunGame.Core.Entity
+namespace Milimoe.FunGame.Core.Entity
 {
     public class ActiveSkill : Skill
     {
@@ -17,7 +15,7 @@ namespace Milimoe.FunGame.Core.Entity
         public decimal Reference9 { get; set; } = 0;
         public decimal Reference10 { get; set; } = 0;
 
-        internal ActiveSkill(DataSet? DataSet, int Index = 0)
+        internal ActiveSkill()
         {
             Active = true;
         }
diff --git a/Entity/Skill/PassiveSkill.cs b/Entity/Skill/PassiveSkill.cs
index b6a1d79..cfabe0f 100644
--- a/Entity/Skill/PassiveSkill.cs
+++ b/Entity/Skill/PassiveSkill.cs
@@ -1,6 +1,4 @@
-using System.Data;
-
-namespace Milimoe.FunGame.Core.Entity
+namespace Milimoe.FunGame.Core.Entity
 {
     public class PassiveSkill : Skill
     {
@@ -15,7 +13,7 @@ namespace Milimoe.FunGame.Core.Entity
         public decimal Reference9 { get; set; } = 0;
         public decimal Reference10 { get; set; } = 0;
 
-        internal PassiveSkill(DataSet? DataSet, int Index = 0)
+        internal PassiveSkill()
         {
             Active = false;
         }
diff --git a/Entity/System/Room.cs b/Entity/System/Room.cs
index 05d8789..83b3388 100644
--- a/Entity/System/Room.cs
+++ b/Entity/System/Room.cs
@@ -1,7 +1,5 @@
-using System.Data;
-using Milimoe.FunGame.Core.Interface.Entity;
+using Milimoe.FunGame.Core.Interface.Entity;
 using Milimoe.FunGame.Core.Library.Constant;
-using Milimoe.FunGame.Core.Library.SQLScript.Entity;
 
 namespace Milimoe.FunGame.Core.Entity
 {
@@ -18,29 +16,15 @@ namespace Milimoe.FunGame.Core.Entity
         public string Password { get; set; } = "";
         public GameStatistics? Statistics { get; set; } = null;
 
-        internal Room(DataSet? DsRoom, DataSet? DsUser, int Index = 0)
+        internal Room(long Id = 0, string Roomid = "-1", DateTime? CreateTime = null, User? RoomMaster = null, RoomType RoomType = RoomType.None, RoomState RoomState = RoomState.Created, string Password = "")
         {
-            if (DsRoom != null && DsRoom.Tables[0].Rows.Count > 0)
-            {
-                DataRow DrRoom = DsRoom.Tables[0].Rows[Index];
-                Id = (long)DrRoom[RoomQuery.Column_ID];
-                Roomid = (string)DrRoom[RoomQuery.Column_RoomID];
-                CreateTime = (DateTime)DrRoom[RoomQuery.Column_CreateTime];
-                RoomMaster = Api.Utility.Factory.GetUser(DsUser, GetUserRowIndex(DsUser, (long)DrRoom[RoomQuery.Column_RoomMaster]));
-                RoomType = (RoomType)Convert.ToInt32(DrRoom[RoomQuery.Column_RoomType]);
-                RoomState = (RoomState)Convert.ToInt32(DrRoom[RoomQuery.Column_RoomState]);
-                Password = (string)DrRoom[RoomQuery.Column_Password];
-            }
-            else
-            {
-                Id = 0;
-                Roomid = "-1";
-                CreateTime = DateTime.MinValue;
-                RoomMaster = null;
-                RoomType = RoomType.None;
-                RoomState = RoomState.Created;
-                Password = "";
-            }
+            this.Id = Id;
+            this.Roomid = Roomid;
+            if (CreateTime != null) this.CreateTime = (DateTime)CreateTime;
+            if (RoomMaster != null) this.RoomMaster = RoomMaster;
+            this.RoomType = RoomType;
+            this.RoomState = RoomState;
+            this.Password = Password;
         }
 
         public bool Equals(Room other)
@@ -52,20 +36,5 @@ namespace Milimoe.FunGame.Core.Entity
         {
             return other?.Id == Id;
         }
-
-        private static int GetUserRowIndex(DataSet? DsUser, long UID)
-        {
-            if (DsUser != null)
-            {
-                for (int i = 0; i < DsUser.Tables[0].Rows.Count; i++)
-                {
-                    if (DsUser.Tables[0].Rows[i][UserQuery.Column_UID].Equals(UID))
-                    {
-                        return i;
-                    }
-                }
-            }
-            return 0;
-        }
     }
 }
diff --git a/Entity/User/User.cs b/Entity/User/User.cs
index 0497a54..6a845c1 100644
--- a/Entity/User/User.cs
+++ b/Entity/User/User.cs
@@ -21,7 +21,7 @@ namespace Milimoe.FunGame.Core.Entity
         public decimal GameTime { get; set; } = 0;
         public string AutoKey { get; set; } = "";
         public UserStatistics? Statistics { get; set; } = null;
-        public Inventory? Stock { get; set; } = null;
+        public Inventory? Inventory { get; set; } = null;
 
         internal User()
         {
diff --git a/Interface/Base/IFactory.cs b/Interface/Base/IFactory.cs
new file mode 100644
index 0000000..8c24beb
--- /dev/null
+++ b/Interface/Base/IFactory.cs
@@ -0,0 +1,8 @@
+namespace Milimoe.FunGame.Core.Interface.Base
+{
+    public interface IFactory<T>
+    {
+        public Type EntityType { get; }
+        public T Create();
+    }
+}
diff --git a/Interface/Base/ISQLHelper.cs b/Interface/Base/ISQLHelper.cs
index 7f2dbd6..1703d1b 100644
--- a/Interface/Base/ISQLHelper.cs
+++ b/Interface/Base/ISQLHelper.cs
@@ -10,12 +10,13 @@ namespace Milimoe.FunGame.Core.Interface.Base
         public string Script { get; set; }
         public CommandType CommandType { get; set; }
         public SQLResult Result { get; }
+        public bool Success { get; }
         public SQLServerInfo ServerInfo { get; }
         public int UpdateRows { get; }
         public DataSet DataSet { get; }
 
-        public int Execute(out SQLResult Result);
-        public DataSet ExecuteDataSet(out SQLResult Result);
+        public int Execute();
+        public DataSet ExecuteDataSet();
         public void Close();
     }
 }
diff --git a/Library/Common/JsonConverter/ConverterUtility.cs b/Library/Common/JsonConverter/ConverterUtility.cs
new file mode 100644
index 0000000..2808f0f
--- /dev/null
+++ b/Library/Common/JsonConverter/ConverterUtility.cs
@@ -0,0 +1,154 @@
+using System.Data;
+using System.Text.Json;
+using Milimoe.FunGame.Core.Library.Constant;
+
+namespace Milimoe.FunGame.Core.Library.Common.JsonConverter
+{
+    internal class ConverterUtility
+    {
+        internal static void ReadColumns(Utf8JsonReader reader, DataTable dataTable)
+        {
+            while (reader.Read())
+            {
+                if (reader.TokenType == JsonTokenType.EndArray)
+                {
+                    break;
+                }
+
+                if (reader.TokenType == JsonTokenType.StartObject)
+                {
+                    DataColumn column = new();
+
+                    while (reader.Read())
+                    {
+                        if (reader.TokenType == JsonTokenType.PropertyName)
+                        {
+                            string propertyName = reader.GetString() ?? "";
+
+                            switch (propertyName)
+                            {
+                                case "ColumnName":
+                                    reader.Read();
+                                    column.ColumnName = reader.GetString();
+                                    break;
+
+                                case "DataType":
+                                    reader.Read();
+                                    Type dataType = Type.GetType(reader.GetString() ?? "") ?? typeof(object);
+                                    column.DataType = dataType;
+                                    break;
+                            }
+                        }
+
+                        if (reader.TokenType == JsonTokenType.EndObject)
+                        {
+                            break;
+                        }
+                    }
+
+                    dataTable.Columns.Add(column);
+                }
+            }
+        }
+
+        internal static void ReadRows(Utf8JsonReader reader, DataTable dataTable)
+        {
+            object[] values = new object[dataTable.Columns.Count];
+
+            while (reader.Read())
+            {
+                if (reader.TokenType == JsonTokenType.EndArray)
+                {
+                    break;
+                }
+
+                if (reader.TokenType == JsonTokenType.StartArray)
+                {
+                    int index = 0;
+
+                    while (reader.Read())
+                    {
+                        if (reader.TokenType == JsonTokenType.EndArray)
+                        {
+                            break;
+                        }
+
+                        switch (dataTable.Columns[index].DataType.ToString())
+                        {
+                            case "System.Boolean":
+                                values[index] = reader.GetBoolean();
+                                break;
+
+                            case "System.Byte":
+                                values[index] = reader.GetByte();
+                                break;
+
+                            case "System.Char":
+                                values[index] = (reader.GetString() ?? "")[0];
+                                break;
+
+                            case "System.DateTime":
+                                string dateString = reader.GetString() ?? "";
+                                if (DateTime.TryParseExact(dateString, General.GeneralDateTimeFormat, null, System.Globalization.DateTimeStyles.None, out DateTime result))
+                                {
+                                    values[index] = result;
+                                }
+                                else values[index] = DateTime.MinValue;
+                                break;
+
+                            case "System.Decimal":
+                                values[index] = reader.GetDecimal();
+                                break;
+
+                            case "System.Double":
+                                values[index] = reader.GetDouble();
+                                break;
+
+                            case "System.Guid":
+                                values[index] = Guid.Parse(reader.GetString() ?? Guid.Empty.ToString());
+                                break;
+
+                            case "System.Int16":
+                                values[index] = reader.GetInt16();
+                                break;
+
+                            case "System.Int32":
+                                values[index] = reader.GetInt32();
+                                break;
+
+                            case "System.Int64":
+                                values[index] = reader.GetInt64();
+                                break;
+
+                            case "System.SByte":
+                                values[index] = reader.GetSByte();
+                                break;
+
+                            case "System.Single":
+                                values[index] = reader.GetSingle();
+                                break;
+
+                            case "System.String":
+                                values[index] = reader.GetString() ?? "";
+                                break;
+
+                            case "System.UInt16":
+                                values[index] = reader.GetUInt16();
+                                break;
+
+                            case "System.UInt32":
+                                values[index] = reader.GetUInt32();
+                                break;
+
+                            case "System.UInt64":
+                                values[index] = reader.GetUInt64();
+                                break;
+                        }
+                        index++;
+                    }
+                    dataTable.Rows.Add(values);
+                }
+            }
+        }
+    }
+}
diff --git a/Library/Common/JsonConverter/DataSetConverter.cs b/Library/Common/JsonConverter/DataSetConverter.cs
index 8dd94e2..d422643 100644
--- a/Library/Common/JsonConverter/DataSetConverter.cs
+++ b/Library/Common/JsonConverter/DataSetConverter.cs
@@ -2,7 +2,6 @@
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using Milimoe.FunGame.Core.Library.Constant;
-using Milimoe.FunGame.Core.Service;
 
 namespace Milimoe.FunGame.Core.Library.Common.JsonConverter
 {
@@ -30,17 +29,19 @@ namespace Milimoe.FunGame.Core.Library.Common.JsonConverter
 
                         case "Columns":
                             reader.Read();
-                            ReadColumns(reader, dt);
+                            ConverterUtility.ReadColumns(reader, dt);
                             break;
 
                         case "Rows":
                             reader.Read();
-                            ReadRows(reader, dt);
+                            ConverterUtility.ReadRows(reader, dt);
                             break;
                     }
                 }
             }
 
+            if (ds.Tables.Count == 0) ds.Tables.Add(new DataTable());
+
             return ds;
         }
 
@@ -48,257 +49,126 @@ namespace Milimoe.FunGame.Core.Library.Common.JsonConverter
         {
             writer.WriteStartObject();
 
-            if (value.Tables.Count == 0) value.Tables.Add(new DataTable());
-
-            writer.WriteString("TableName", value.Tables[0].TableName);
-
-            writer.WritePropertyName("Columns");
+            writer.WritePropertyName("Tables");
             writer.WriteStartArray();
 
-            foreach (DataColumn column in value.Tables[0].Columns)
+            if (value.Tables.Count > 0) writer.WriteStartObject();
+
+            for (int count = 0; count < value.Tables.Count; count++)
             {
-                writer.WriteStartObject();
+                writer.WriteString("TableName", value.Tables[count].TableName);
 
-                writer.WriteString("ColumnName", column.ColumnName);
-                writer.WriteString("DataType", column.DataType.FullName);
-
-                writer.WriteEndObject();
-            }
-
-            writer.WriteEndArray();
-
-            writer.WritePropertyName("Rows");
-            writer.WriteStartArray();
-
-            foreach (DataRow row in value.Tables[0].Rows)
-            {
+                writer.WritePropertyName("Columns");
                 writer.WriteStartArray();
 
-                for (int i = 0; i < value.Tables[0].Columns.Count; i++)
+                foreach (DataColumn column in value.Tables[count].Columns)
                 {
-                    object? rowValue = row[i];
+                    writer.WriteStartObject();
 
-                    switch (value.Tables[0].Columns[i].DataType.FullName)
-                    {
-                        case "System.Boolean":
-                            writer.WriteBooleanValue((bool)rowValue);
-                            break;
+                    writer.WriteString("ColumnName", column.ColumnName);
+                    writer.WriteString("DataType", column.DataType.FullName);
 
-                        case "System.Byte":
-                            writer.WriteNumberValue((byte)rowValue);
-                            break;
-
-                        case "System.Char":
-                            writer.WriteStringValue(value.ToString());
-                            break;
-
-                        case "System.DateTime":
-                            writer.WriteStringValue(((DateTime)rowValue).ToString(General.GeneralDateTimeFormat));
-                            break;
-
-                        case "System.Decimal":
-                            writer.WriteNumberValue((decimal)rowValue);
-                            break;
-
-                        case "System.Double":
-                            writer.WriteNumberValue((double)rowValue);
-                            break;
-
-                        case "System.Guid":
-                            writer.WriteStringValue(value.ToString());
-                            break;
-
-                        case "System.Int16":
-                            writer.WriteNumberValue((short)rowValue);
-                            break;
-
-                        case "System.Int32":
-                            writer.WriteNumberValue((int)rowValue);
-                            break;
-
-                        case "System.Int64":
-                            writer.WriteNumberValue((long)rowValue);
-                            break;
-
-                        case "System.SByte":
-                            writer.WriteNumberValue((sbyte)rowValue);
-                            break;
-
-                        case "System.Single":
-                            writer.WriteNumberValue((float)rowValue);
-                            break;
-
-                        case "System.String":
-                            writer.WriteStringValue((string)rowValue);
-                            break;
-
-                        case "System.UInt16":
-                            writer.WriteNumberValue((ushort)rowValue);
-                            break;
-
-                        case "System.UInt32":
-                            writer.WriteNumberValue((uint)rowValue);
-                            break;
-
-                        case "System.UInt64":
-                            writer.WriteNumberValue((ulong)rowValue);
-                            break;
-                    }
+                    writer.WriteEndObject();
                 }
 
                 writer.WriteEndArray();
+
+                writer.WritePropertyName("Rows");
+                writer.WriteStartArray();
+
+
+                foreach (DataRow row in value.Tables[count].Rows)
+                {
+                    writer.WriteStartArray();
+
+                    for (int i = 0; i < value.Tables[count].Columns.Count; i++)
+                    {
+                        var rowValue = row[i];
+
+                        switch (value.Tables[count].Columns[i].DataType.FullName)
+                        {
+                            case "System.Boolean":
+                                writer.WriteBooleanValue((bool)rowValue);
+                                break;
+
+                            case "System.Byte":
+                                writer.WriteNumberValue((byte)rowValue);
+                                break;
+
+                            case "System.Char":
+                                writer.WriteStringValue(value.ToString());
+                                break;
+
+                            case "System.DateTime":
+                                writer.WriteStringValue(((DateTime)rowValue).ToString(General.GeneralDateTimeFormat));
+                                break;
+
+                            case "System.Decimal":
+                                writer.WriteNumberValue((decimal)rowValue);
+                                break;
+
+                            case "System.Double":
+                                writer.WriteNumberValue((double)rowValue);
+                                break;
+
+                            case "System.Guid":
+                                writer.WriteStringValue(value.ToString());
+                                break;
+
+                            case "System.Int16":
+                                writer.WriteNumberValue((short)rowValue);
+                                break;
+
+                            case "System.Int32":
+                                writer.WriteNumberValue((int)rowValue);
+                                break;
+
+                            case "System.Int64":
+                                writer.WriteNumberValue((long)rowValue);
+                                break;
+
+                            case "System.SByte":
+                                writer.WriteNumberValue((sbyte)rowValue);
+                                break;
+
+                            case "System.Single":
+                                writer.WriteNumberValue((float)rowValue);
+                                break;
+
+                            case "System.String":
+                                writer.WriteStringValue((string)rowValue);
+                                break;
+
+                            case "System.UInt16":
+                                writer.WriteNumberValue((ushort)rowValue);
+                                break;
+
+                            case "System.UInt32":
+                                writer.WriteNumberValue((uint)rowValue);
+                                break;
+
+                            case "System.UInt64":
+                                writer.WriteNumberValue((ulong)rowValue);
+                                break;
+                        }
+                    }
+
+                    writer.WriteEndArray();
+                }
+
+                writer.WriteEndArray();
+
+                if (count + 1 < value.Tables.Count)
+                {
+                    writer.WriteEndObject();
+                    writer.WriteStartObject();
+                }
+                else writer.WriteEndObject();
             }
 
             writer.WriteEndArray();
 
             writer.WriteEndObject();
         }
-
-        #pragma warning disable CA1822 // 不需要设为静态
-        private void ReadColumns(Utf8JsonReader reader, DataTable dataTable)
-        #pragma warning restore CA1822 // 不需要设为静态
-        {
-            while (reader.Read())
-            {
-                if (reader.TokenType == JsonTokenType.EndArray)
-                {
-                    break;
-                }
-
-                if (reader.TokenType == JsonTokenType.StartObject)
-                {
-                    DataColumn column = new();
-
-                    while (reader.Read())
-                    {
-                        if (reader.TokenType == JsonTokenType.PropertyName)
-                        {
-                            string propertyName = reader.GetString() ?? "";
-
-                            switch (propertyName)
-                            {
-                                case "ColumnName":
-                                    reader.Read();
-                                    column.ColumnName = reader.GetString();
-                                    break;
-
-                                case "DataType":
-                                    reader.Read();
-                                    Type dataType = Type.GetType(reader.GetString() ?? "") ?? typeof(object);
-                                    column.DataType = dataType;
-                                    break;
-                            }
-                        }
-
-                        if (reader.TokenType == JsonTokenType.EndObject)
-                        {
-                            break;
-                        }
-                    }
-
-                    dataTable.Columns.Add(column);
-                }
-            }
-        }
-
-        private void ReadRows(Utf8JsonReader reader, DataTable dataTable)
-        {
-            object[] values = new object[dataTable.Columns.Count];
-
-            while (reader.Read())
-            {
-                if (reader.TokenType == JsonTokenType.EndArray)
-                {
-                    break;
-                }
-
-                if (reader.TokenType == JsonTokenType.StartArray)
-                {
-                    int index = 0;
-
-                    while (reader.Read())
-                    {
-                        if (reader.TokenType == JsonTokenType.EndArray)
-                        {
-                            break;
-                        }
-
-                        switch (dataTable.Columns[index].DataType.ToString())
-                        {
-                            case "System.Boolean":
-                                values[index] = reader.GetBoolean();
-                                break;
-
-                            case "System.Byte":
-                                values[index] = reader.GetByte();
-                                break;
-
-                            case "System.Char":
-                                values[index] = (reader.GetString() ?? "")[0];
-                                break;
-
-                            case "System.DateTime":
-                                string dateString = reader.GetString() ?? "";
-                                if (DateTime.TryParseExact(dateString, General.GeneralDateTimeFormat, null, System.Globalization.DateTimeStyles.None, out DateTime result))
-                                {
-                                    values[index] = result;
-                                }
-                                values[index] = DateTime.MinValue;
-                                break;
-
-                            case "System.Decimal":
-                                values[index] = reader.GetDecimal();
-                                break;
-
-                            case "System.Double":
-                                values[index] = reader.GetDouble();
-                                break;
-
-                            case "System.Guid":
-                                values[index] = Guid.Parse(reader.GetString() ?? Guid.Empty.ToString());
-                                break;
-
-                            case "System.Int16":
-                                values[index] = reader.GetInt16();
-                                break;
-
-                            case "System.Int32":
-                                values[index] = reader.GetInt32();
-                                break;
-
-                            case "System.Int64":
-                                values[index] = reader.GetInt64();
-                                break;
-
-                            case "System.SByte":
-                                values[index] = reader.GetSByte();
-                                break;
-
-                            case "System.Single":
-                                values[index] = reader.GetSingle();
-                                break;
-
-                            case "System.String":
-                                values[index] = reader.GetString() ?? "";
-                                break;
-
-                            case "System.UInt16":
-                                values[index] = reader.GetUInt16();
-                                break;
-
-                            case "System.UInt32":
-                                values[index] = reader.GetUInt32();
-                                break;
-
-                            case "System.UInt64":
-                                values[index] = reader.GetUInt64();
-                                break;
-                        }
-                        index++;
-                    }
-                    dataTable.Rows.Add(values);
-                }
-            }
-        }
     }
 }
diff --git a/Library/Common/JsonConverter/DataTableConverter.cs b/Library/Common/JsonConverter/DataTableConverter.cs
new file mode 100644
index 0000000..c3c1aed
--- /dev/null
+++ b/Library/Common/JsonConverter/DataTableConverter.cs
@@ -0,0 +1,152 @@
+using System.Data;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using Milimoe.FunGame.Core.Library.Constant;
+
+namespace Milimoe.FunGame.Core.Library.Common.JsonConverter
+{
+    public class DataTableConverter : JsonConverter<DataTable>
+    {
+        public override DataTable Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+            DataTable dt = new();
+
+            while (reader.Read())
+            {
+                if (reader.TokenType == JsonTokenType.PropertyName)
+                {
+                    string property = reader.GetString() ?? "";
+
+                    switch (property)
+                    {
+                        case "TableName":
+                            reader.Read();
+                            string tableName = reader.GetString() ?? "";
+                            dt = new DataTable(tableName);
+                            break;
+
+                        case "Columns":
+                            reader.Read();
+                            ConverterUtility.ReadColumns(reader, dt);
+                            break;
+
+                        case "Rows":
+                            reader.Read();
+                            ConverterUtility.ReadRows(reader, dt);
+                            break;
+                    }
+                }
+            }
+
+            return dt;
+        }
+
+        public override void Write(Utf8JsonWriter writer, DataTable value, JsonSerializerOptions options)
+        {
+            writer.WriteStartObject();
+
+            writer.WriteString("TableName", value.TableName);
+
+            writer.WritePropertyName("Columns");
+            writer.WriteStartArray();
+
+            foreach (DataColumn column in value.Columns)
+            {
+                writer.WriteStartObject();
+
+                writer.WriteString("ColumnName", column.ColumnName);
+                writer.WriteString("DataType", column.DataType.FullName);
+
+                writer.WriteEndObject();
+            }
+
+            writer.WriteEndArray();
+
+            writer.WritePropertyName("Rows");
+            writer.WriteStartArray();
+
+            foreach (DataRow row in value.Rows)
+            {
+                writer.WriteStartArray();
+
+                for (int i = 0; i < value.Columns.Count; i++)
+                {
+                    var rowValue = row[i];
+
+                    switch (value.Columns[i].DataType.FullName)
+                    {
+                        case "System.Boolean":
+                            writer.WriteBooleanValue((bool)rowValue);
+                            break;
+
+                        case "System.Byte":
+                            writer.WriteNumberValue((byte)rowValue);
+                            break;
+
+                        case "System.Char":
+                            writer.WriteStringValue(value.ToString());
+                            break;
+
+                        case "System.DateTime":
+                            writer.WriteStringValue(((DateTime)rowValue).ToString(General.GeneralDateTimeFormat));
+                            break;
+
+                        case "System.Decimal":
+                            writer.WriteNumberValue((decimal)rowValue);
+                            break;
+
+                        case "System.Double":
+                            writer.WriteNumberValue((double)rowValue);
+                            break;
+
+                        case "System.Guid":
+                            writer.WriteStringValue(value.ToString());
+                            break;
+
+                        case "System.Int16":
+                            writer.WriteNumberValue((short)rowValue);
+                            break;
+
+                        case "System.Int32":
+                            writer.WriteNumberValue((int)rowValue);
+                            break;
+
+                        case "System.Int64":
+                            writer.WriteNumberValue((long)rowValue);
+                            break;
+
+                        case "System.SByte":
+                            writer.WriteNumberValue((sbyte)rowValue);
+                            break;
+
+                        case "System.Single":
+                            writer.WriteNumberValue((float)rowValue);
+                            break;
+
+                        case "System.String":
+                            writer.WriteStringValue((string)rowValue);
+                            break;
+
+                        case "System.UInt16":
+                            writer.WriteNumberValue((ushort)rowValue);
+                            break;
+
+                        case "System.UInt32":
+                            writer.WriteNumberValue((uint)rowValue);
+                            break;
+
+                        case "System.UInt64":
+                            writer.WriteNumberValue((ulong)rowValue);
+                            break;
+                    }
+                }
+
+                writer.WriteEndArray();
+            }
+
+            writer.WriteEndArray();
+
+            writer.WriteEndObject();
+        }
+    }
+}
\ No newline at end of file
diff --git a/Library/Common/JsonConverter/RoomConverter.cs b/Library/Common/JsonConverter/RoomConverter.cs
new file mode 100644
index 0000000..4de6fcc
--- /dev/null
+++ b/Library/Common/JsonConverter/RoomConverter.cs
@@ -0,0 +1,84 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using Milimoe.FunGame.Core.Api.Utility;
+using Milimoe.FunGame.Core.Entity;
+using Milimoe.FunGame.Core.Library.Constant;
+using Milimoe.FunGame.Core.Library.SQLScript.Entity;
+
+namespace Milimoe.FunGame.Core.Library.Common.JsonConverter
+{
+    public class RoomConverter : JsonConverter<Room>
+    {
+        public override Room Read(ref Utf8JsonReader reader, Type type, JsonSerializerOptions options)
+        {
+            Room room = Factory.GetRoom();
+
+            while (reader.Read())
+            {
+                if (reader.TokenType == JsonTokenType.PropertyName)
+                {
+                    string property = reader.GetString() ?? "";
+
+                    switch (property)
+                    {
+                        case RoomQuery.Column_ID:
+                            reader.Read();
+                            room.Id = reader.GetInt64();
+                            break;
+
+                        case RoomQuery.Column_RoomID:
+                            reader.Read();
+                            room.Roomid = reader.GetString() ?? "";
+                            break;
+
+                        case RoomQuery.Column_CreateTime:
+                            reader.Read();
+                            string dateString = reader.GetString() ?? "";
+                            if (DateTime.TryParseExact(dateString, General.GeneralDateTimeFormat, null, System.Globalization.DateTimeStyles.None, out DateTime result))
+                            {
+                                room.CreateTime = result;
+                            }
+                            else room.CreateTime = DateTime.MinValue;
+                            break;
+
+                        case RoomQuery.Column_RoomMaster:
+                            reader.Read();
+                            string master = reader.GetString() ?? "";
+                            room.RoomMaster = JsonSerializer.Deserialize<User>(master, options);
+                            break;
+
+                        case RoomQuery.Column_RoomType:
+                            reader.Read();
+                            room.RoomType = (RoomType)reader.GetInt64();
+                            break;
+
+                        case RoomQuery.Column_RoomState:
+                            reader.Read();
+                            room.RoomState = (RoomState)reader.GetInt64();
+                            break;
+
+                        case RoomQuery.Column_Password:
+                            reader.Read();
+                            room.Password = reader.GetString() ?? "";
+                            break;
+                    }
+                }
+            }
+
+            return room;
+        }
+
+        public override void Write(Utf8JsonWriter writer, Room value, JsonSerializerOptions options)
+        {
+            writer.WriteStartObject();
+            writer.WriteNumber(RoomQuery.Column_ID, value.Id);
+            writer.WriteString(RoomQuery.Column_RoomID, value.Roomid);
+            writer.WriteString(RoomQuery.Column_CreateTime, value.CreateTime.ToString(General.GeneralDateTimeFormat));
+            writer.WriteString(RoomQuery.Column_RoomMaster, JsonSerializer.Serialize(value.RoomMaster, typeof(User), options));
+            writer.WriteNumber(RoomQuery.Column_RoomType, (long)value.RoomType);
+            writer.WriteNumber(RoomQuery.Column_RoomState, (long)value.RoomState);
+            writer.WriteString(RoomQuery.Column_Password, value.Password);
+            writer.WriteEndObject();
+        }
+    }
+}
diff --git a/Library/Common/JsonConverter/UserConverter.cs b/Library/Common/JsonConverter/UserConverter.cs
new file mode 100644
index 0000000..3da8f6b
--- /dev/null
+++ b/Library/Common/JsonConverter/UserConverter.cs
@@ -0,0 +1,107 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using Milimoe.FunGame.Core.Api.Utility;
+using Milimoe.FunGame.Core.Entity;
+using Milimoe.FunGame.Core.Library.Constant;
+using Milimoe.FunGame.Core.Library.SQLScript.Entity;
+
+namespace Milimoe.FunGame.Core.Library.Common.JsonConverter
+{
+    public class UserConverter : JsonConverter<User>
+    {
+        public override bool CanConvert(Type objectType)
+        {
+            return objectType == typeof(User);
+        }
+
+        public override User Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+            User user = Factory.GetUser();
+
+            while (reader.Read())
+            {
+                if (reader.TokenType == JsonTokenType.PropertyName)
+                {
+                    string propertyName = reader.GetString() ?? "";
+                    switch (propertyName)
+                    {
+                        case "Id":
+                            user.Id = reader.GetInt64();
+                            break;
+                        case "Username":
+                            user.Username = reader.GetString() ?? "";
+                            break;
+                        case "Password":
+                            user.Password = reader.GetString() ?? "";
+                            break;
+                        case "RegTime":
+                            string regTime = reader.GetString() ?? "";
+                            if (DateTime.TryParseExact(regTime, General.GeneralDateTimeFormat, null, System.Globalization.DateTimeStyles.None, out DateTime RegTime))
+                            {
+                                user.RegTime = RegTime;
+                            }
+                            else user.RegTime = DateTime.MinValue;
+                            break;
+                        case "LastTime":
+                            string lastTime = reader.GetString() ?? "";
+                            if (DateTime.TryParseExact(lastTime, General.GeneralDateTimeFormat, null, System.Globalization.DateTimeStyles.None, out DateTime LastTime))
+                            {
+                                user.LastTime = LastTime;
+                            }
+                            else user.LastTime = DateTime.MinValue;
+                            break;
+                        case "Email":
+                            user.Email = reader.GetString() ?? "";
+                            break;
+                        case "NickName":
+                            user.NickName = reader.GetString() ?? "";
+                            break;
+                        case "IsAdmin":
+                            user.IsAdmin = reader.GetBoolean();
+                            break;
+                        case "IsOperator":
+                            user.IsOperator = reader.GetBoolean();
+                            break;
+                        case "IsEnable":
+                            user.IsEnable = reader.GetBoolean();
+                            break;
+                        case "Credits":
+                            user.Credits = reader.GetDecimal();
+                            break;
+                        case "Materials":
+                            user.Materials = reader.GetDecimal();
+                            break;
+                        case "GameTime":
+                            user.GameTime = reader.GetDecimal();
+                            break;
+                        case "AutoKey":
+                            user.AutoKey = reader.GetString() ?? "";
+                            break;
+                    }
+                }
+            }
+
+            return user;
+        }
+
+        public override void Write(Utf8JsonWriter writer, User value, JsonSerializerOptions options)
+        {
+            writer.WriteStartObject();
+            writer.WriteNumber(UserQuery.Column_UID, value.Id);
+            writer.WriteString(UserQuery.Column_Username, value.Username);
+            writer.WriteString(UserQuery.Column_Password, value.Password);
+            writer.WriteString(UserQuery.Column_RegTime, value.RegTime.ToString(General.GeneralDateTimeFormat));
+            writer.WriteString(UserQuery.Column_LastTime, value.LastTime.ToString(General.GeneralDateTimeFormat));
+            writer.WriteString(UserQuery.Column_Email, value.Email);
+            writer.WriteString(UserQuery.Column_Nickname, value.NickName);
+            writer.WriteBoolean(UserQuery.Column_IsAdmin, value.IsAdmin);
+            writer.WriteBoolean(UserQuery.Column_IsOperator, value.IsOperator);
+            writer.WriteBoolean(UserQuery.Column_IsEnable, value.IsEnable);
+            writer.WriteNumber(UserQuery.Column_Credits, value.Credits);
+            writer.WriteNumber(UserQuery.Column_Materials, value.Materials);
+            writer.WriteNumber(UserQuery.Column_GameTime, value.GameTime);
+            writer.WriteString(UserQuery.Column_AutoKey, value.AutoKey);
+            writer.WriteEndObject();
+        }
+    }
+}
diff --git a/Library/Constant/General.cs b/Library/Constant/General.cs
index d4d4794..5fd5136 100644
--- a/Library/Constant/General.cs
+++ b/Library/Constant/General.cs
@@ -8,9 +8,10 @@ namespace Milimoe.FunGame.Core.Library.Constant
         // Static Variable
         public static Empty EntityInstance { get; } = new();
         public static User UnknownUserInstance { get; } = new();
-        public static Room HallInstance => Api.Utility.Factory.GetHall();
+        public static Room HallInstance { get; } = Api.Utility.Factory.GetHall();
         public static Encoding DefaultEncoding => Encoding.Unicode;
         public static string GeneralDateTimeFormat => "yyyy-MM-dd HH:mm:ss.fff";
+        public static DateTime DefaultTime { get; } = new(1970,1,1,8,0,0);
 
         // Const
         public const int MaxRetryTimes = 20;
diff --git a/Service/JsonManager.cs b/Service/JsonManager.cs
index 225b9e7..35b1679 100644
--- a/Service/JsonManager.cs
+++ b/Service/JsonManager.cs
@@ -7,30 +7,15 @@ namespace Milimoe.FunGame.Core.Service
 {
     internal class JsonManager
     {
-        private static bool _IsFirst = true;
-        private readonly static JsonSerializerOptions _GeneralOptions = new()
+        /// <summary>
+        /// 默认的序列化选项
+        /// </summary>
+        private readonly static JsonSerializerOptions GeneralOptions = new()
         {
             WriteIndented = true,
-            ReferenceHandler = ReferenceHandler.IgnoreCycles
+            ReferenceHandler = ReferenceHandler.IgnoreCycles,
+            Converters = { new DateTimeConverter(), new DataTableConverter(), new DataSetConverter() }
         };
-
-        /// <summary>
-        /// 默认的JsonSerializerOptions
-        /// </summary>
-        internal static JsonSerializerOptions GeneralOptions
-        {
-            get
-            {
-                if (_IsFirst)
-                {
-                    // 首次使用时，向其添加自定义转换器
-                    _IsFirst = false;
-                    AddConverter(new DataSetConverter());
-                    AddConverter(new DateTimeConverter());
-                }
-                return _GeneralOptions;
-            }
-        }
         
         /// <summary>
         /// 注册一个自定义转换器
@@ -38,7 +23,7 @@ namespace Milimoe.FunGame.Core.Service
         /// <param name="converter"></param>
         internal static void AddConverter(JsonConverter converter)
         {
-            _GeneralOptions.Converters.Add(converter);
+            GeneralOptions.Converters.Add(converter);
         }
 
         /// <summary>