diff --git a/Application/Application.csproj b/Application/Application.csproj
index 4fb7069..81ec46e 100644
--- a/Application/Application.csproj
+++ b/Application/Application.csproj
@@ -22,9 +22,7 @@
     </ItemGroup>
 
     <ItemGroup>
-      <Folder Include="Game\Card\OnlineMatching" />
       <Folder Include="Game\Card\Read" />
-      <Folder Include="Game\Card\Write" />
     </ItemGroup>
 
 </Project>
diff --git a/Application/Game/Card/OnlineMatching/StartOnlineMatchingCommand.cs b/Application/Game/Card/OnlineMatching/StartOnlineMatchingCommand.cs
new file mode 100644
index 0000000..15a91b2
--- /dev/null
+++ b/Application/Game/Card/OnlineMatching/StartOnlineMatchingCommand.cs
@@ -0,0 +1,6 @@
+namespace Application.Game.Card.OnlineMatching;
+
+public class StartOnlineMatchingCommand
+{
+    
+}
\ No newline at end of file
diff --git a/Application/Game/Card/OnlineMatching/UpdateOnlineMatchingCommand.cs b/Application/Game/Card/OnlineMatching/UpdateOnlineMatchingCommand.cs
new file mode 100644
index 0000000..0893cab
--- /dev/null
+++ b/Application/Game/Card/OnlineMatching/UpdateOnlineMatchingCommand.cs
@@ -0,0 +1,6 @@
+namespace Application.Game.Card.OnlineMatching;
+
+public class UpdateOnlineMatchingCommand
+{
+    
+}
\ No newline at end of file
diff --git a/Application/Game/Card/OnlineMatching/UploadOnlineMatchingResultCommand.cs b/Application/Game/Card/OnlineMatching/UploadOnlineMatchingResultCommand.cs
new file mode 100644
index 0000000..00075ee
--- /dev/null
+++ b/Application/Game/Card/OnlineMatching/UploadOnlineMatchingResultCommand.cs
@@ -0,0 +1,6 @@
+namespace Application.Game.Card.OnlineMatching;
+
+public class UploadOnlineMatchingResultCommand
+{
+    
+}
\ No newline at end of file
diff --git a/Application/Game/Card/Write/WriteAvatarCommand.cs b/Application/Game/Card/Write/WriteAvatarCommand.cs
new file mode 100644
index 0000000..fa07503
--- /dev/null
+++ b/Application/Game/Card/Write/WriteAvatarCommand.cs
@@ -0,0 +1,17 @@
+using Application.Common.Models;
+using Application.Interfaces;
+
+namespace Application.Game.Card.Write;
+
+public record WriteAvatarCommand(long CardId, string Data) : IRequestWrapper<string>;
+
+public class WriteAvatarCommandHandler : CardRequestHandlerBase<WriteAvatarCommand, string>
+{
+    public WriteAvatarCommandHandler(ICardDependencyAggregate aggregate) : base(aggregate) {}
+
+    public override Task<ServiceResult<string>> Handle(WriteAvatarCommand request, CancellationToken cancellationToken)
+    {
+        // TODO: Add proper implementation
+        return Task.FromResult(new ServiceResult<string>(request.Data));
+    }
+}
\ No newline at end of file
diff --git a/Application/Game/Card/Write/WriteCoinCommand.cs b/Application/Game/Card/Write/WriteCoinCommand.cs
new file mode 100644
index 0000000..c3b17ac
--- /dev/null
+++ b/Application/Game/Card/Write/WriteCoinCommand.cs
@@ -0,0 +1,17 @@
+using Application.Common.Models;
+using Application.Interfaces;
+
+namespace Application.Game.Card.Write;
+
+public record WriteCoinCommand(long CardId, string Data) : IRequestWrapper<string>;
+
+public class WriteCoinCommandHandler : CardRequestHandlerBase<WriteCoinCommand, string>
+{
+    public WriteCoinCommandHandler(ICardDependencyAggregate aggregate) : base(aggregate) {}
+
+    public override Task<ServiceResult<string>> Handle(WriteCoinCommand request, CancellationToken cancellationToken)
+    {
+        // TODO: Add proper implementation
+        return Task.FromResult(new ServiceResult<string>(request.Data));
+    }
+}
\ No newline at end of file
diff --git a/Application/Game/Card/Write/WriteItemCommand.cs b/Application/Game/Card/Write/WriteItemCommand.cs
new file mode 100644
index 0000000..ee58212
--- /dev/null
+++ b/Application/Game/Card/Write/WriteItemCommand.cs
@@ -0,0 +1,17 @@
+using Application.Common.Models;
+using Application.Interfaces;
+
+namespace Application.Game.Card.Write;
+
+public record WriteItemCommand(long CardId, string Data) : IRequestWrapper<string>;
+
+public class WriteItemCommandHandler : CardRequestHandlerBase<WriteItemCommand, string>
+{
+    public WriteItemCommandHandler(ICardDependencyAggregate aggregate) : base(aggregate) {}
+
+    public override Task<ServiceResult<string>> Handle(WriteItemCommand request, CancellationToken cancellationToken)
+    {
+        // TODO: Add proper implementation
+        return Task.FromResult(new ServiceResult<string>(request.Data));
+    }
+}
\ No newline at end of file
diff --git a/Application/Game/Card/Write/WriteMusicDetailCommand.cs b/Application/Game/Card/Write/WriteMusicDetailCommand.cs
new file mode 100644
index 0000000..346e070
--- /dev/null
+++ b/Application/Game/Card/Write/WriteMusicDetailCommand.cs
@@ -0,0 +1,17 @@
+using Application.Common.Models;
+using Application.Interfaces;
+
+namespace Application.Game.Card.Write;
+
+public record WriteMusicDetailCommand(long CardId, string Data) : IRequestWrapper<string>;
+
+public class WriteMusicDetailCommandHandler : CardRequestHandlerBase<WriteMusicDetailCommand, string>
+{
+    public WriteMusicDetailCommandHandler(ICardDependencyAggregate aggregate) : base(aggregate) {}
+
+    public override Task<ServiceResult<string>> Handle(WriteMusicDetailCommand request, CancellationToken cancellationToken)
+    {
+        // TODO: Add proper implementation
+        return Task.FromResult(new ServiceResult<string>(request.Data));
+    }
+}
\ No newline at end of file
diff --git a/Application/Game/Card/Write/WriteNavigatorCommand.cs b/Application/Game/Card/Write/WriteNavigatorCommand.cs
new file mode 100644
index 0000000..0629348
--- /dev/null
+++ b/Application/Game/Card/Write/WriteNavigatorCommand.cs
@@ -0,0 +1,17 @@
+using Application.Common.Models;
+using Application.Interfaces;
+
+namespace Application.Game.Card.Write;
+
+public record WriteNavigatorCommand(long CardId, string Data) : IRequestWrapper<string>;
+
+public class WriteNavigatorCommandHandler : CardRequestHandlerBase<WriteNavigatorCommand, string>
+{
+    public WriteNavigatorCommandHandler(ICardDependencyAggregate aggregate) : base(aggregate) {}
+
+    public override Task<ServiceResult<string>> Handle(WriteNavigatorCommand request, CancellationToken cancellationToken)
+    {
+        // TODO: Add proper implementation
+        return Task.FromResult(new ServiceResult<string>(request.Data));
+    }
+}
\ No newline at end of file
diff --git a/Application/Game/Card/Write/WriteSkinCommand.cs b/Application/Game/Card/Write/WriteSkinCommand.cs
new file mode 100644
index 0000000..ecc1102
--- /dev/null
+++ b/Application/Game/Card/Write/WriteSkinCommand.cs
@@ -0,0 +1,17 @@
+using Application.Common.Models;
+using Application.Interfaces;
+
+namespace Application.Game.Card.Write;
+
+public record WriteSkinCommand(long CardId, string Data) : IRequestWrapper<string>;
+
+public class WriteSkinCommandHandler : CardRequestHandlerBase<WriteSkinCommand, string>
+{
+    public WriteSkinCommandHandler(ICardDependencyAggregate aggregate) : base(aggregate) {}
+
+    public override Task<ServiceResult<string>> Handle(WriteSkinCommand request, CancellationToken cancellationToken)
+    {
+        // TODO: Add proper implementation
+        return Task.FromResult(new ServiceResult<string>(request.Data));
+    }
+}
\ No newline at end of file
diff --git a/Application/Game/Card/Write/WriteSoundEffectCommand.cs b/Application/Game/Card/Write/WriteSoundEffectCommand.cs
new file mode 100644
index 0000000..955b8b9
--- /dev/null
+++ b/Application/Game/Card/Write/WriteSoundEffectCommand.cs
@@ -0,0 +1,17 @@
+using Application.Common.Models;
+using Application.Interfaces;
+
+namespace Application.Game.Card.Write;
+
+public record WriteSoundEffectCommand(long CardId, string Data) : IRequestWrapper<string>;
+
+public class WriteSoundEffectCommandHandler : CardRequestHandlerBase<WriteSoundEffectCommand, string>
+{
+    public WriteSoundEffectCommandHandler(ICardDependencyAggregate aggregate) : base(aggregate) {}
+
+    public override Task<ServiceResult<string>> Handle(WriteSoundEffectCommand request, CancellationToken cancellationToken)
+    {
+        // TODO: Add proper implementation
+        return Task.FromResult(new ServiceResult<string>(request.Data));
+    }
+}
\ No newline at end of file
diff --git a/Application/Game/Card/Write/WriteTitleCommand.cs b/Application/Game/Card/Write/WriteTitleCommand.cs
new file mode 100644
index 0000000..2b0ccca
--- /dev/null
+++ b/Application/Game/Card/Write/WriteTitleCommand.cs
@@ -0,0 +1,17 @@
+using Application.Common.Models;
+using Application.Interfaces;
+
+namespace Application.Game.Card.Write;
+
+public record WriteTitleCommand(long CardId, string Data) : IRequestWrapper<string>;
+
+public class WriteTitleCommandHandler : CardRequestHandlerBase<WriteTitleCommand, string>
+{
+    public WriteTitleCommandHandler(ICardDependencyAggregate aggregate) : base(aggregate) {}
+
+    public override Task<ServiceResult<string>> Handle(WriteTitleCommand request, CancellationToken cancellationToken)
+    {
+        // TODO: Add proper implementation
+        return Task.FromResult(new ServiceResult<string>(request.Data));
+    }
+}
\ No newline at end of file
diff --git a/Application/Game/Card/Write/WriteUnlockKeynumCommand.cs b/Application/Game/Card/Write/WriteUnlockKeynumCommand.cs
new file mode 100644
index 0000000..040399a
--- /dev/null
+++ b/Application/Game/Card/Write/WriteUnlockKeynumCommand.cs
@@ -0,0 +1,17 @@
+using Application.Common.Models;
+using Application.Interfaces;
+
+namespace Application.Game.Card.Write;
+
+public record WriteUnlockKeynumCommand(long CardId, string Data) : IRequestWrapper<string>;
+
+public class WriteUnlockKeynumCommandHandler : CardRequestHandlerBase<WriteUnlockKeynumCommand, string>
+{
+    public WriteUnlockKeynumCommandHandler(ICardDependencyAggregate aggregate) : base(aggregate) {}
+
+    public override Task<ServiceResult<string>> Handle(WriteUnlockKeynumCommand request, CancellationToken cancellationToken)
+    {
+        // TODO: Add proper implementation
+        return Task.FromResult(new ServiceResult<string>(request.Data));
+    }
+}
\ No newline at end of file
diff --git a/GC-local-server-rewrite/common/Configs.cs b/GC-local-server-rewrite/common/Configs.cs
index dc7a7eb..b8bd31e 100644
--- a/GC-local-server-rewrite/common/Configs.cs
+++ b/GC-local-server-rewrite/common/Configs.cs
@@ -141,6 +141,14 @@ public static class Configs
 
     public const int SCORE_PCOL1 = 21;
 
+    public const string MATCHING_URL_BASE = "Matching";
+
+    public const string START_MATCHING_URL = "Start";
+    public const string UPDATE_MATCHING_URL = "Update";
+    public const string FINISH_MATCHING_URL = "Finish";
+    
+    
+
     public static readonly List<string> DOMAINS = new()
     {
         "localhost",
@@ -164,6 +172,8 @@ public static class Configs
     public const string DEFAULT_RELAY_SERVER = "127.0.0.1";
     public const int DEFAULT_RELAY_PORT = 54321;
     public const string DEFAULT_EVENT_FOLDER = "event";
+    public const string DEFAULT_MATCHING_SERVER = "127.0.0.1:5000";
+
 
     public static readonly IReadOnlyList<int> DEFAULT_UNLOCKABLE_SONGS = new[]
     {
diff --git a/GC-local-server-rewrite/common/Converters.cs b/GC-local-server-rewrite/common/Converters.cs
new file mode 100644
index 0000000..e1d9bbf
--- /dev/null
+++ b/GC-local-server-rewrite/common/Converters.cs
@@ -0,0 +1,61 @@
+using GCLocalServerRewrite.models;
+using SharedProject.models;
+
+namespace GCLocalServerRewrite.common;
+
+public static class Converters
+{
+    public static OnlineMatchingData ConvertFromEntry(OnlineMatchingEntry entry)
+    {
+        return new OnlineMatchingData
+        {
+            AvatarId = entry.AvatarId,
+            CardId = entry.CardId,
+            ClassId = entry.ClassId,
+            EntryNo = entry.EntryNo,
+            EntryStart = entry.EntryStart,
+            EventId = entry.EventId,
+            GroupId = entry.GroupId,
+            MachineId = entry.MachineId,
+            MatchingId = entry.MatchingId,
+            MatchingRemainingTime = entry.MatchingRemainingTime,
+            Pref = entry.Pref,
+            Status = entry.Status,
+            MatchingTimeout = entry.MatchingTimeout,
+            MessageId = entry.MessageId,
+            PlayerName = entry.PlayerName,
+            PrefId = entry.PrefId,
+            TenpoId = entry.TenpoId,
+            TenpoName = entry.TenpoName,
+            TitleId = entry.TitleId,
+            MatchingWaitTime = entry.MatchingWaitTime
+        };
+    }
+    
+    public static OnlineMatchingEntry ConvertFromData(OnlineMatchingData entry)
+    {
+        return new OnlineMatchingEntry
+        {
+            AvatarId = entry.AvatarId,
+            CardId = entry.CardId,
+            ClassId = entry.ClassId,
+            EntryNo = entry.EntryNo,
+            EntryStart = entry.EntryStart,
+            EventId = entry.EventId,
+            GroupId = entry.GroupId,
+            MachineId = entry.MachineId,
+            MatchingId = entry.MatchingId,
+            MatchingRemainingTime = entry.MatchingRemainingTime,
+            Pref = entry.Pref,
+            Status = entry.Status,
+            MatchingTimeout = entry.MatchingTimeout,
+            MessageId = entry.MessageId,
+            PlayerName = entry.PlayerName,
+            PrefId = entry.PrefId,
+            TenpoId = entry.TenpoId,
+            TenpoName = entry.TenpoName,
+            TitleId = entry.TitleId,
+            MatchingWaitTime = entry.MatchingWaitTime
+        };
+    }
+}
\ No newline at end of file
diff --git a/GC-local-server-rewrite/common/IAppSettings.cs b/GC-local-server-rewrite/common/IAppSettings.cs
index 31b77a9..250297a 100644
--- a/GC-local-server-rewrite/common/IAppSettings.cs
+++ b/GC-local-server-rewrite/common/IAppSettings.cs
@@ -43,6 +43,9 @@ public interface IAppSettings
     [Option(DefaultValue = false)]
     bool DownloadEvents { get; }
     
+    [Option(DefaultValue = Configs.DEFAULT_MATCHING_SERVER)]
+    string MatchingServer { get; }
+    
     [Option(DefaultValue = null)]
     IEnumerable<int>? UnlockableSongIds { get; }
 
diff --git a/GC-local-server-rewrite/config.json b/GC-local-server-rewrite/config.json
index 14a1bed..0bf89e7 100644
--- a/GC-local-server-rewrite/config.json
+++ b/GC-local-server-rewrite/config.json
@@ -11,7 +11,8 @@
   "EventFolder": "event",
   "DownloadEvents": false,
   "RelayServer": "127.0.0.1",
-  "RelayPort": 54321,
+  "RelayPort": 3333,
+  "MatchingServer": "127.0.0.1:5038",
   "UnlockableSongIds": [
     11,
     13,
@@ -68,7 +69,7 @@
       "FileName": "/event_103_20201125.evt",
       "NotBeforeUnixTime": 1335677127,
       "NotAfterUnixTime": 1966397127,
-      "Md5": "9ef6c4d5ca381583a2d99b626ce06b5e",
+      "Md5": "27b503145a62e46f5f611b6f8a91e4f3",
       "Index": 0
     },
     {
diff --git a/GC-local-server-rewrite/controllers/CardServiceController.cs b/GC-local-server-rewrite/controllers/CardServiceController.cs
index b279469..f36d411 100644
--- a/GC-local-server-rewrite/controllers/CardServiceController.cs
+++ b/GC-local-server-rewrite/controllers/CardServiceController.cs
@@ -1,4 +1,4 @@
-using System.Collections.Concurrent;
+using System.Net.Http.Json;
 using System.Net.Mime;
 using System.Text;
 using System.Xml.Linq;
@@ -8,9 +8,13 @@ using EmbedIO.Routing;
 using EmbedIO.WebApi;
 using GCLocalServerRewrite.common;
 using GCLocalServerRewrite.models;
+using SharedProject.models;
 using SQLite.Net2;
 using Swan;
 using Swan.Logging;
+using Avatar=GCLocalServerRewrite.models.Avatar;
+using Navigator=GCLocalServerRewrite.models.Navigator;
+using Title=GCLocalServerRewrite.models.Title;
 
 namespace GCLocalServerRewrite.controllers;
 
@@ -19,13 +23,6 @@ public class CardServiceController : WebApiController
     private readonly SQLiteConnection cardSqLiteConnection;
     private readonly SQLiteConnection musicSqLiteConnection;
 
-    private static readonly ConcurrentDictionary<long, List<OnlineMatchingEntry>> OnlineMatchingEntries = new()
-    {
-        [0xDEADBEEF] = new List<OnlineMatchingEntry>(),
-        [0xCAFEBABE] = new List<OnlineMatchingEntry>(),
-        [0xD0D0CACA] = new List<OnlineMatchingEntry>()
-    };
-
     public CardServiceController()
     {
         cardSqLiteConnection = DatabaseHelper.ConnectDatabase(Configs.SETTINGS.CardDbName);
@@ -34,17 +31,17 @@ public class CardServiceController : WebApiController
 
     [Route(HttpVerbs.Post, "/cardn.cgi")]
     // ReSharper disable once UnusedMember.Global
-    public string CardService([FormField] int gid, [FormField("mac_addr")] string mac, [FormField] int type,
+    public async Task<string> CardService([FormField] int gid, [FormField("mac_addr")] string mac, [FormField] int type,
         [FormField("card_no")] long cardId, [FormField("data")] string xmlData, [FormField("cmd_str")] int cmdType)
     {
         HttpContext.Response.ContentType = MediaTypeNames.Application.Octet;
         HttpContext.Response.ContentEncoding = new UTF8Encoding(false);
         HttpContext.Response.KeepAlive = true;
 
-        return ProcessCommand(cmdType, mac, cardId, xmlData, type);
+        return await ProcessCommand(cmdType, mac, cardId, xmlData, type);
     }
 
-    private string ProcessCommand(int cmdType, string mac, long cardId, string xmlData, int type)
+    private async Task<string> ProcessCommand(int cmdType, string mac, long cardId, string xmlData, int type)
     {
         if (!Enum.IsDefined(typeof(Command), cmdType))
         {
@@ -55,7 +52,7 @@ public class CardServiceController : WebApiController
 
         return command switch
         {
-            Command.CardReadRequest or Command.CardWriteRequest => ProcessCardRequest(mac, cardId, xmlData, type),
+            Command.CardReadRequest or Command.CardWriteRequest => await ProcessCardRequest(mac, cardId, xmlData, type),
             Command.ReissueRequest => ProcessReissueRequest(),
             Command.RegisterRequest => ProcessRegisterRequest(cardId, xmlData),
             _ => throw new ArgumentOutOfRangeException(nameof(command), command, "Command unknown, should never happen!")
@@ -75,7 +72,7 @@ public class CardServiceController : WebApiController
         return ConstructResponse("", ReturnCode.NotReissue);
     }
 
-    private string ProcessCardRequest(string mac, long cardId, string xmlData, int type)
+    private async Task<string> ProcessCardRequest(string mac, long cardId, string xmlData, int type)
     {
         if (!Enum.IsDefined(typeof(CardRequestType), type))
         {
@@ -230,19 +227,22 @@ public class CardServiceController : WebApiController
             case CardRequestType.StartOnlineMatching:
             {
                 $"Start Online Matching, data is {xmlData}".Info();
-                return ConstructResponse(StartOnlineMatching(cardId, xmlData));
+                var resultString = await StartOnlineMatching(cardId, xmlData);
+                return ConstructResponse(resultString);
             }
             
             case CardRequestType.UpdateOnlineMatching:
             {
                 $"Update Online Matching, data is {xmlData}".Info();
-                return ConstructResponse(UpdateOnlineMatching(cardId, xmlData));
+                var resultString = await UpdateOnlineMatching(cardId, xmlData);
+                return ConstructResponse(resultString);
             }
 
             case CardRequestType.UploadOnlineMatchingResult:
             {
                 $"Get Online Matching result, data is {xmlData}".Info();
-                return ConstructResponse(UploadOnlineMatchingResult(cardId, xmlData));
+                var resultString = await UploadOnlineMatchingResult(cardId, xmlData);
+                return ConstructResponse(resultString);
             }
             #endregion
 
@@ -618,67 +618,98 @@ public class CardServiceController : WebApiController
 
     #region OnlineMatchingImplementation
 
-    private static string StartOnlineMatching(long cardId, string xmlData)
+    private static async Task<string> StartOnlineMatching(long cardId, string xmlData)
     {
         var reader = new ChoXmlReader<OnlineMatchingEntry>(new StringReader(xmlData)).WithXPath(Configs.DATA_XPATH);
         var entry = reader.Read();
 
-        entry.CardId = cardId;
-        entry.MatchingId = 0xDEADBEEF;
-        entry.EntryNo = OnlineMatchingEntries[0xDEADBEEF].Count;
-        entry.EntryStart = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
-        entry.MatchingTimeout = 20;
-        entry.MatchingRemainingTime = 3;
-        entry.MatchingWaitTime = 10;
-        entry.Status = 1;
-        entry.Dump().Info();
-        var entries = OnlineMatchingEntries[0xDEADBEEF];
-        var existing = entries.Find(matchingEntry => matchingEntry.CardId == cardId);
-        if (existing is not null)
+        var request = Converters.ConvertFromEntry(entry) ;
+        request.CardId = cardId;
+        request.EntryStart = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
+        request.MatchingTimeout = 20;
+        request.MatchingRemainingTime = 3;
+        request.MatchingWaitTime = 10;
+        request.Status = 1;
+
+        var client = new HttpClient();
+        var url = $"http://{Configs.SETTINGS.MatchingServer}/{Configs.MATCHING_URL_BASE}/{Configs.START_MATCHING_URL}";
+        try
         {
-            "Card id already exist in entry! Previous match is not cleaned up! Clearing now".Warn();
-            entries.Clear();
+            var response = await client.PostAsJsonAsync(url, request);
+            var dataList = await response.Content.ReadFromJsonAsync<List<OnlineMatchingData>>();
+            if (dataList is null)
+            {
+                throw new HttpRequestException("Start matching request fail");
+            }
+            var result = dataList.ConvertAll(input => Converters.ConvertFromData(input));
+            return GenerateRecordsXml(result, Configs.ONLINE_MATCHING_XPATH);
+        }
+        catch (Exception e)
+        {
+            e.Error("", "Http request failed");
+            throw;
         }
-        OnlineMatchingEntries[0xDEADBEEF].Add(entry);
-        
-        return GenerateRecordsXml(OnlineMatchingEntries[0xDEADBEEF], Configs.ONLINE_MATCHING_XPATH);
     }
 
-    private static string UpdateOnlineMatching(long cardId, string xmlData)
+    private static async Task<string> UpdateOnlineMatching(long cardId, string xmlData)
     {
         var reader = new ChoXmlReader<OnlineMatchingUpdateData>(new StringReader(xmlData));
         var data = reader.Read();
-        var entries = OnlineMatchingEntries[0xDEADBEEF];
-        var entry = entries.Find(matchingEntry => matchingEntry.CardId == cardId);
-        if (entry is null)
+        var request = new OnlineMatchingUpdateRequest
         {
-            throw new HttpException(400,"Entry for this card id does not exist!");
-        }
-        if (data.Action != 0)
+            Action = data.Action,
+            CardId = cardId,
+            EventId = data.EventId,
+            MatchingId = data.MatchingId,
+            MessageId = data.MessageId
+        };
+        var client = new HttpClient();
+        var url = $"http://{Configs.SETTINGS.MatchingServer}/{Configs.MATCHING_URL_BASE}/{Configs.UPDATE_MATCHING_URL}";
+        try
         {
-            $"Action is {data.Action}".Info();
+            var response = await client.PostAsJsonAsync(url, request);
+            var dataList = await response.Content.ReadFromJsonAsync<List<OnlineMatchingEntry>>();
+            if (dataList is null)
+            {
+                throw new HttpRequestException("Update matching request fail");
+            }
+            return GenerateRecordsXml(dataList, Configs.ONLINE_MATCHING_XPATH);
         }
-
-        entry.MessageId = data.MessageId;
-        if (entry.MatchingRemainingTime <= 0)
+        catch (Exception e)
         {
-            entry.Status = 3;
-            entry.Dump().Info();
-            return GenerateRecordsXml(OnlineMatchingEntries[0xDEADBEEF], Configs.ONLINE_MATCHING_XPATH);
+            e.Error("", "Http request failed");
+            throw;
         }
-        
-        entry.MatchingRemainingTime--;
-        entry.Dump().Info();
-
-        return GenerateRecordsXml(OnlineMatchingEntries[0xDEADBEEF], Configs.ONLINE_MATCHING_XPATH); 
     }
 
-    private static string UploadOnlineMatchingResult(long cardId, string xmlData)
+    private static async Task<string> UploadOnlineMatchingResult(long cardId, string xmlData)
     {
         var reader = new ChoXmlReader<OnlineMatchingResultData>(new StringReader(xmlData));
         var data = reader.Read();
-        
-        var entries = OnlineMatchingEntries[0xDEADBEEF];
+        var request = new OnlineMatchingFinishRequest
+        {
+            CardId = cardId,
+            MatchingId = data.MatchingId
+        };
+        var client = new HttpClient();
+        var url = $"http://{Configs.SETTINGS.MatchingServer}/{Configs.MATCHING_URL_BASE}/{Configs.UPDATE_MATCHING_URL}";
+        try
+        {
+            var response = await client.PostAsJsonAsync(url, request);
+            var success = await response.Content.ReadFromJsonAsync<bool>();
+            
+            var result = new OnlineMatchingResult
+            {
+                Status = success ? 1:0
+            };
+            return GenerateSingleXml(result, Configs.ONLINE_BATTLE_RESULT_XPATH);
+        }
+        catch (Exception e)
+        {
+            e.Error("", "Http request failed");
+            throw;
+        }
+        /*var entries = OnlineMatchingEntries[0xDEADBEEF];
         var entry = entries.Find(matchingEntry => matchingEntry.CardId == cardId);
         if (entry is null)
         {
@@ -695,7 +726,7 @@ public class CardServiceController : WebApiController
         {
             Status = 1
         };
-        return GenerateSingleXml(result, Configs.ONLINE_BATTLE_RESULT_XPATH);
+        return GenerateSingleXml(result, Configs.ONLINE_BATTLE_RESULT_XPATH);*/
     }
     #endregion
 
diff --git a/MatchServer/Controllers/MatchingController.cs b/MatchServer/Controllers/MatchingController.cs
new file mode 100644
index 0000000..2acb165
--- /dev/null
+++ b/MatchServer/Controllers/MatchingController.cs
@@ -0,0 +1,131 @@
+using MatchServer.Storage;
+using Microsoft.AspNetCore.Mvc;
+using SharedProject.models;
+
+namespace MatchServer.Controllers;
+
+[ApiController]
+[Route("[controller]")]
+public class MatchingController : ControllerBase
+{
+    private readonly ILogger<MatchingController> logger;
+
+
+    public MatchingController(ILogger<MatchingController> logger) {
+        this.logger = logger;
+    }
+
+    [HttpPost("Start")]
+    public ActionResult<IEnumerable<OnlineMatchingData>> StartOnlineMatching(OnlineMatchingData startData)
+    {
+        logger.LogInformation("Start matching, card id {CardId}, player name {PlayerName}", startData.CardId, startData.PlayerName);
+        var matchingDb = MatchingDb.GetInstance;
+        
+        lock (matchingDb.DbLock)
+        {
+            foreach (var (matchingId, entries) in matchingDb.MatchingDictionary)
+            {
+                if (entries.Count >= 4)
+                {
+                    continue;
+                }
+
+                if (entries.Any(data => data.CardId == startData.CardId))
+                {
+                    logger.LogWarning("Card id {CardId} already exists in matching id {MatchingId}", startData.CardId, matchingId);
+                    continue;
+                }
+
+                entries.Add(startData);
+                startData.MatchingId = matchingId;
+                startData.EntryNo = entries.Count - 1;
+                break;
+            }
+            
+            if (startData.MatchingId != 0)
+            {
+                return Ok(matchingDb.MatchingDictionary[startData.MatchingId]);
+            }
+            
+            startData.MatchingId = matchingDb.MatchingDictionary.Count + 1;
+            startData.EntryNo = 0;
+            matchingDb.MatchingDictionary[startData.MatchingId] = new List<OnlineMatchingData>
+            {
+                startData
+            };
+
+            return Ok(matchingDb.MatchingDictionary[startData.MatchingId]);
+        }
+    }
+
+    [HttpPost("Update")]
+    public ActionResult<IEnumerable<OnlineMatchingUpdateRequest>> UpdateOnlineMatching(OnlineMatchingUpdateRequest updateData)
+    {
+        var matchingDb = MatchingDb.GetInstance;
+        var matchingId = updateData.MatchingId;
+        
+        logger.LogInformation("Update matching, card id is {CardId}, matching id is {MatchingId}", updateData.CardId, updateData.MatchingId);
+        
+        if (!matchingDb.MatchingDictionary.ContainsKey(matchingId))
+        {
+            return BadRequest();
+        }
+
+        var dataList = matchingDb.MatchingDictionary[matchingId];
+
+        var data = dataList.Find(data => data.CardId == updateData.CardId);
+        if (data is null)
+        {
+            return BadRequest();
+        }
+
+        data.MessageId = updateData.MessageId;
+        if (data.MatchingRemainingTime <= 0)
+        {
+            data.Status = 3;
+            return Ok(dataList);
+        }
+
+        data.MatchingRemainingTime--;
+        return Ok(dataList); 
+    }
+
+    [HttpPost("Finish")]
+    public ActionResult<bool> FinishOnlineMatching(OnlineMatchingFinishRequest request)
+    {
+        var matchingDb = MatchingDb.GetInstance;
+        var matchingId = request.MatchingId;
+
+        lock (matchingDb.DbLock)
+        {
+            if (!matchingDb.MatchingDictionary.ContainsKey(matchingId))
+            {
+                return BadRequest();
+            }
+            var dataList = matchingDb.MatchingDictionary[matchingId];
+
+            var index = dataList.FindIndex(data => data.CardId == request.CardId);
+            dataList.RemoveAt(index);
+        }
+        return Ok(true);
+    } 
+
+    [HttpGet("Debug")]
+    public ActionResult<Dictionary<long, List<OnlineMatchingUpdateRequest>>> InspectOnlineMatching()
+    {
+        var matchingDb = MatchingDb.GetInstance;
+
+        return Ok(matchingDb.MatchingDictionary);
+    }
+
+    [HttpGet("Clear")]
+    public ActionResult<bool> Clear()
+    {
+        var matchingDb = MatchingDb.GetInstance;
+        lock (matchingDb.DbLock)
+        {
+            matchingDb.MatchingDictionary.Clear();
+        }
+        return Ok(true);
+    }
+}
\ No newline at end of file
diff --git a/MatchServer/MatchServer.csproj b/MatchServer/MatchServer.csproj
new file mode 100644
index 0000000..a40166b
--- /dev/null
+++ b/MatchServer/MatchServer.csproj
@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+    <PropertyGroup>
+        <TargetFramework>net6.0</TargetFramework>
+        <Nullable>enable</Nullable>
+        <ImplicitUsings>enable</ImplicitUsings>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="Swashbuckle.AspNetCore" Version="6.2.3" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\SharedProject\SharedProject.csproj" />
+    </ItemGroup>
+
+</Project>
diff --git a/MatchServer/Program.cs b/MatchServer/Program.cs
new file mode 100644
index 0000000..6d3cc9c
--- /dev/null
+++ b/MatchServer/Program.cs
@@ -0,0 +1,21 @@
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+
+builder.Services.AddControllers();
+// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.UseSwagger();
+    app.UseSwaggerUI();
+}
+
+app.MapControllers();
+
+app.Run();
\ No newline at end of file
diff --git a/MatchServer/Properties/launchSettings.json b/MatchServer/Properties/launchSettings.json
new file mode 100644
index 0000000..22561dc
--- /dev/null
+++ b/MatchServer/Properties/launchSettings.json
@@ -0,0 +1,31 @@
+{
+  "$schema": "https://json.schemastore.org/launchsettings.json",
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:45319",
+      "sslPort": 44313
+    }
+  },
+  "profiles": {
+    "MatchServer": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "applicationUrl": "https://localhost:7023;http://localhost:5038",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}
diff --git a/MatchServer/Storage/MatchingDb.cs b/MatchServer/Storage/MatchingDb.cs
new file mode 100644
index 0000000..16656d2
--- /dev/null
+++ b/MatchServer/Storage/MatchingDb.cs
@@ -0,0 +1,22 @@
+using SharedProject.models;
+
+namespace MatchServer.Storage;
+
+public class MatchingDb
+{
+    public Dictionary<long, List<OnlineMatchingData>> MatchingDictionary;
+
+    public object DbLock = new();
+
+    static MatchingDb()
+    {
+    }
+
+    private MatchingDb()
+    {
+        MatchingDictionary = new Dictionary<long, List<OnlineMatchingData>>();
+    }
+
+    public static MatchingDb GetInstance { get; } = new MatchingDb();
+
+}
\ No newline at end of file
diff --git a/MatchServer/appsettings.Development.json b/MatchServer/appsettings.Development.json
new file mode 100644
index 0000000..0c208ae
--- /dev/null
+++ b/MatchServer/appsettings.Development.json
@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}
diff --git a/MatchServer/appsettings.json b/MatchServer/appsettings.json
new file mode 100644
index 0000000..10f68b8
--- /dev/null
+++ b/MatchServer/appsettings.json
@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}
diff --git a/SharedProject/models/OnlineMatchingData.cs b/SharedProject/models/OnlineMatchingData.cs
new file mode 100644
index 0000000..4bbd544
--- /dev/null
+++ b/SharedProject/models/OnlineMatchingData.cs
@@ -0,0 +1,44 @@
+namespace SharedProject.models;
+
+public class OnlineMatchingData
+{
+    public long MachineId { get; set; }
+    
+    public long EventId { get; set; }
+
+    public long MatchingId { get; set; }
+
+    public long EntryNo { get; set; }
+
+    public string EntryStart { get; set; } = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
+
+    public long Status { get; set; } = 1;
+
+    public long CardId { get; set; }
+
+    public string PlayerName { get; set; } = string.Empty;
+
+    public long AvatarId { get; set; }
+
+    public long TitleId { get; set; }
+
+    public long ClassId { get; set; }
+
+    public long GroupId { get; set; }
+
+    public long TenpoId { get; set; }
+    
+    public string TenpoName { get; set; } = "1337";
+
+    public long PrefId { get; set; }
+
+    public string Pref { get; set; } = "nesys";
+
+    public long MessageId { get; set; }
+
+    public long MatchingTimeout { get; set; } = 99;
+
+    public long MatchingWaitTime { get; set; } = 10;
+
+    public long MatchingRemainingTime { get; set; } = 3;
+}
\ No newline at end of file
diff --git a/SharedProject/models/OnlineMatchingFinishRequest.cs b/SharedProject/models/OnlineMatchingFinishRequest.cs
new file mode 100644
index 0000000..7213a9a
--- /dev/null
+++ b/SharedProject/models/OnlineMatchingFinishRequest.cs
@@ -0,0 +1,8 @@
+namespace SharedProject.models;
+
+public class OnlineMatchingFinishRequest
+{
+    public long CardId { get; set; }
+
+    public long MatchingId { get; set; }
+}
\ No newline at end of file
diff --git a/SharedProject/models/OnlineMatchingUpdateRequest.cs b/SharedProject/models/OnlineMatchingUpdateRequest.cs
new file mode 100644
index 0000000..3a23d64
--- /dev/null
+++ b/SharedProject/models/OnlineMatchingUpdateRequest.cs
@@ -0,0 +1,14 @@
+namespace SharedProject.models;
+
+public class OnlineMatchingUpdateRequest
+{
+    public long Action { get; set; }
+    
+    public long EventId { get; set; }
+
+    public long CardId { get; set; }
+    
+    public long MatchingId { get; set; }
+
+    public long MessageId { get; set; }
+}
\ No newline at end of file