diff --git a/flake.nix b/flake.nix
index 542c239..b099c89 100644
--- a/flake.nix
+++ b/flake.nix
@@ -22,6 +22,7 @@
             sqlite
             sqls
             sql-studio
+            zlib
             # Backend
             (dotnetCorePackages.combinePackages [
               dotnetCorePackages.sdk_9_0
@@ -37,7 +38,8 @@
             typescript-language-server
           ];
           shellHook = ''
-            export PATH=$PATH:$HOME/.bun/bin
+            export PATH=$PATH:
+            export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${pkgs.zlib}/lib
           '';
           
         };
diff --git a/server/Program.cs b/server/Program.cs
index a3f8d0f..0b3c10c 100644
--- a/server/Program.cs
+++ b/server/Program.cs
@@ -1,4 +1,3 @@
-using Honoo.IO.Hashing;
 using Microsoft.AspNetCore.Http.Features;
 using Newtonsoft.Json;
 using NLog;
@@ -38,16 +37,17 @@ try
     });
 
     // Add CORS policy
-    builder.Services.AddCors(options =>
+    if (builder.Environment.IsDevelopment())
     {
-        options.AddPolicy("Development", policy =>
+        builder.Services.AddCors(options =>
         {
-            policy
+            options.AddPolicy("Development", policy => policy
                 .AllowAnyOrigin()
                 .AllowAnyMethod()
-                .AllowAnyHeader();
+                .AllowAnyHeader()
+            );
         });
-    });
+    }
 
     // Add Swagger
     builder.Services.AddControllers();
@@ -105,12 +105,6 @@ try
     app.MapGet("/", () => Results.Redirect("/swagger"));
     app.MapControllers();
 
-    // {
-    //     var crc = Crc.Create(CrcName.CRC32_MPEG_2);
-    //     var checkSum = crc.ComputeFinal(new byte[] { 0x1C, 0xDF, 0x44, 0x21 });
-    //     logger.Info($"CRC: 0x{checkSum.ToString().PadLeft(8, '0')}");
-    // }
-
     app.Run("http://localhost:5000");
 }
 catch (Exception exception)
diff --git a/server/server.csproj b/server/server.csproj
index 2ef7bc9..a6dc9b5 100644
--- a/server/server.csproj
+++ b/server/server.csproj
@@ -14,12 +14,14 @@
     <PackageReference Include="DotNext" Version="5.19.1" />
     <PackageReference Include="DotNext.Threading" Version="5.19.1" />
     <PackageReference Include="Honoo.IO.Hashing.Crc" Version="1.3.3" />
+    <PackageReference Include="linq2db.AspNet" Version="5.4.1" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="9.0.4" />
     <PackageReference Include="Microsoft.OpenApi" Version="1.6.23" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="NLog" Version="5.4.0" />
     <PackageReference Include="NLog.Web.AspNetCore" Version="5.4.0" />
     <PackageReference Include="NSwag.AspNetCore" Version="14.3.0" />
+    <PackageReference Include="System.Data.SQLite.Core" Version="1.0.119" />
   </ItemGroup>
 
 </Project>
diff --git a/server/src/Controllers.cs b/server/src/Controllers.cs
index e7cfe00..a1d31cf 100644
--- a/server/src/Controllers.cs
+++ b/server/src/Controllers.cs
@@ -1,6 +1,7 @@
 using System.Buffers.Binary;
 using System.Net;
 using Common;
+using Microsoft.AspNetCore.Cors;
 using Microsoft.AspNetCore.Mvc;
 using Newtonsoft.Json;
 using WebProtocol;
@@ -478,6 +479,71 @@ public class RemoteUpdater : ControllerBase
     }
 }
 
+
+/// <summary>
+/// 数据控制器
+/// </summary>
+[ApiController]
+[Route("api/[controller]")]
+public class Data : ControllerBase
+{
+    private static NLog.Logger logger = NLog.LogManager.GetCurrentClassLogger();
+
+    /// <summary>
+    /// 创建数据库表
+    /// </summary>
+    /// <returns>插入的记录数</returns>
+    [EnableCors("Development")]
+    [HttpPost("CreateTable")]
+    public IResult CreateTables()
+    {
+        using var db = new Database.AppDataConnection();
+        db.CreateAllTables();
+        return TypedResults.Ok();
+    }
+
+    /// <summary>
+    /// 删除数据库表
+    /// </summary>
+    /// <returns>插入的记录数</returns>
+    [EnableCors("Development")]
+    [HttpDelete("DropTables")]
+    public IResult DropTables()
+    {
+        using var db = new Database.AppDataConnection();
+        db.DropAllTables();
+        return TypedResults.Ok();
+    }
+
+    /// <summary>
+    /// 获取所有用户
+    /// </summary>
+    /// <returns>用户列表</returns>
+    [HttpGet("AllUsers")]
+    public IResult AllUsers()
+    {
+        using var db = new Database.AppDataConnection();
+        var ret = db.User.ToList();
+        return TypedResults.Ok(ret);
+    }
+
+    /// <summary>
+    /// 注册新用户
+    /// </summary>
+    /// <param name="name">用户名</param>
+    /// <returns>操作结果</returns>
+    [HttpPost("SignUpUser")]
+    public IResult SignUpUser(string name)
+    {
+        if (name.Length > 255)
+            return TypedResults.BadRequest("Name Couln't over 255 characters");
+
+        using var db = new Database.AppDataConnection();
+        var ret = db.AddUser(name);
+        return TypedResults.Ok(ret);
+    }
+}
+
 /// <summary>
 /// 日志控制器
 /// </summary>
diff --git a/server/src/Database.cs b/server/src/Database.cs
new file mode 100644
index 0000000..e54d831
--- /dev/null
+++ b/server/src/Database.cs
@@ -0,0 +1,113 @@
+using LinqToDB;
+using LinqToDB.Data;
+using LinqToDB.Mapping;
+
+namespace Database;
+
+/// <summary>
+/// 用户类，表示用户信息
+/// </summary>
+public class User
+{
+    /// <summary>
+    /// 用户的唯一标识符
+    /// </summary>
+    [PrimaryKey]
+    public Guid ID { get; set; } = Guid.NewGuid();
+
+    /// <summary>
+    /// 用户的名称
+    /// </summary>
+    [NotNull]
+    public required string Name { get; set; }
+}
+
+/// <summary>
+/// FPGA 板子类，表示板子信息
+/// </summary>
+public class Board
+{
+    /// <summary>
+    /// FPGA 板子的唯一标识符
+    /// </summary>
+    [PrimaryKey]
+    public Guid Id { get; set; } = Guid.NewGuid();
+
+    /// <summary>
+    /// FPGA 板子的名称
+    /// </summary>
+    [NotNull]
+    public required string BoardName { get; set; }
+}
+
+/// <summary>
+/// 应用程序数据连接类，用于与数据库交互
+/// </summary>
+public class AppDataConnection : DataConnection
+{
+    static readonly LinqToDB.DataOptions options =
+        new LinqToDB.DataOptions()
+            .UseSQLite($"Data Source={Environment.CurrentDirectory}/Database.sqlite");
+
+    /// <summary>
+    /// 初始化应用程序数据连接
+    /// </summary>
+    public AppDataConnection() : base(options) { }
+
+
+    /// <summary>
+    /// 创建所有数据库表
+    /// </summary>
+    public void CreateAllTables()
+    {
+        this.CreateTable<User>();
+        this.CreateTable<Board>();
+    }
+
+    /// <summary>
+    /// 删除所有数据库表
+    /// </summary>
+    public void DropAllTables()
+    {
+        this.DropTable<User>();
+        this.DropTable<Board>();
+    }
+
+    /// <summary>
+    /// 添加一个新的用户到数据库
+    /// </summary>
+    /// <param name="name">用户的名称</param>
+    /// <returns>插入的记录数</returns>
+    public int AddUser(string name)
+    {
+        var user = new User()
+        {
+            Name = name
+        };
+        return this.Insert(user);
+    }
+
+    /// <summary>
+    /// 添加一块新的 FPGA 板子到数据库
+    /// </summary>
+    /// <param name="name">FPGA 板子的名称</param>
+    /// <returns>插入的记录数</returns>
+    public int AddBoard(string name)
+    {
+        var board = new Board()
+        {
+            BoardName = name
+        };
+        return this.Insert(board);
+    }
+
+    /// <summary>
+    /// 用户表
+    /// </summary>
+    public ITable<User> User => this.GetTable<User>();
+
+    /// <summary>
+    /// FPGA 板子表
+    /// </summary>
+    public ITable<Board> Board => this.GetTable<Board>();
+}