diff --git a/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain.Shared/Enums/AssignmentStateEnum.cs b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain.Shared/Enums/AssignmentStateEnum.cs
new file mode 100644
index 00000000..8cd23d90
--- /dev/null
+++ b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain.Shared/Enums/AssignmentStateEnum.cs
@@ -0,0 +1,19 @@
+namespace Yi.Framework.Bbs.Domain.Shared.Enums;
+
+public enum AssignmentStateEnum
+{
+    /// <summary>
+    /// 正在进行
+    /// </summary>
+    Progress,
+
+    /// <summary>
+    /// 已完成
+    /// </summary>
+    Completed,
+
+    /// <summary>
+    /// 已过期
+    /// </summary>
+    Expired
+}
\ No newline at end of file
diff --git a/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain.Shared/Enums/AssignmentTypeEnum.cs b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain.Shared/Enums/AssignmentTypeEnum.cs
new file mode 100644
index 00000000..d0665771
--- /dev/null
+++ b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain.Shared/Enums/AssignmentTypeEnum.cs
@@ -0,0 +1,19 @@
+namespace Yi.Framework.Bbs.Domain.Shared.Enums;
+
+public enum AssignmentTypeEnum
+{
+    /// <summary>
+    /// 新手任务
+    /// </summary>
+    Novice,
+    
+    /// <summary>
+    /// 每日任务
+    /// </summary>
+    Daily,
+    
+    /// <summary>
+    /// 每周任务
+    /// </summary>
+    Weekly
+}
\ No newline at end of file
diff --git a/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Entities/Assignment/AssignmentAggregateRoot.cs b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Entities/Assignment/AssignmentAggregateRoot.cs
new file mode 100644
index 00000000..a7ab058c
--- /dev/null
+++ b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Entities/Assignment/AssignmentAggregateRoot.cs
@@ -0,0 +1,53 @@
+using SqlSugar;
+using Volo.Abp.Auditing;
+using Volo.Abp.Domain.Entities;
+using Yi.Framework.Bbs.Domain.Shared.Enums;
+using Yi.Framework.Core.Data;
+
+namespace Yi.Framework.Bbs.Domain.Entities.Assignment;
+
+/// <summary>
+/// 任务实例表
+/// </summary>
+[SugarTable("Assignment")]
+public class AssignmentAggregateRoot : AggregateRoot<Guid>, IHasCreationTime, IOrderNum, IHasModificationTime
+{
+    [SugarColumn(ColumnName = "Id", IsPrimaryKey = true)]
+    public override Guid Id { get; protected set; }
+
+    /// <summary>
+    /// 任务定义ID
+    /// </summary>
+    public Guid AssignmentDefineId { get; set; }
+
+    /// <summary>
+    /// 任务接收者用户id
+    /// </summary>
+    public Guid UserId { get; set; }
+
+    /// <summary>
+    /// 总共步骤数
+    /// </summary>
+    public int TotalStepNumber { get; set; }
+
+    /// <summary>
+    /// 当前步骤数
+    /// </summary>
+    public int CurrentStepNumber { get; set; }
+
+
+    /// <summary>
+    /// 任务状态
+    /// </summary>
+    public AssignmentStateEnum AssignmentState { get; set; }
+
+
+    /// <summary>
+    /// 任务过期时间
+    /// </summary>
+    public DateTime? ExpireTime { get; set; }
+    
+    public DateTime CreationTime { get; }
+    public int OrderNum { get; set; }
+    public DateTime? LastModificationTime { get; }
+}
\ No newline at end of file
diff --git a/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Entities/Assignment/AssignmentDefineAggregateRoot.cs b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Entities/Assignment/AssignmentDefineAggregateRoot.cs
new file mode 100644
index 00000000..5573e76a
--- /dev/null
+++ b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Entities/Assignment/AssignmentDefineAggregateRoot.cs
@@ -0,0 +1,47 @@
+using SqlSugar;
+using Volo.Abp.Auditing;
+using Volo.Abp.Domain.Entities;
+using Yi.Framework.Bbs.Domain.Shared.Enums;
+using Yi.Framework.Core.Data;
+
+namespace Yi.Framework.Bbs.Domain.Entities.Assignment;
+
+/// <summary>
+/// 任务定义表
+/// </summary>
+[SugarTable("AssignmentDefine")]
+
+public class AssignmentDefineAggregateRoot: AggregateRoot<Guid>, IHasCreationTime,IOrderNum
+{
+    [SugarColumn(ColumnName = "Id", IsPrimaryKey = true)]
+    public override Guid Id { get; protected set; }
+    
+    /// <summary>
+    /// 任务名称
+    /// </summary>
+    public string Name { get; set; }
+    
+    /// <summary>
+    /// 备注
+    /// </summary>
+    public string Remarks { get; set; }
+    
+    /// <summary>
+    /// 任务类型
+    /// </summary>
+    public AssignmentTypeEnum AssignmentType{ get; set; }
+
+
+    /// <summary>
+    /// 前置任务id
+    /// </summary>
+    public Guid? PreAssignmentId { get; set; }
+
+    /// <summary>
+    /// 任务奖励的钱钱数量
+    /// </summary>
+    public decimal RewardsMoneyNumber { get; set; }
+
+    public DateTime CreationTime { get; }
+    public int OrderNum { get; set; }
+}
\ No newline at end of file
diff --git a/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/AssignmentManager.cs b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/AssignmentManager.cs
new file mode 100644
index 00000000..e37d92a8
--- /dev/null
+++ b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/AssignmentManager.cs
@@ -0,0 +1,43 @@
+using Volo.Abp.Domain.Services;
+using Yi.Framework.Bbs.Domain.Entities.Assignment;
+
+namespace Yi.Framework.Bbs.Domain.Managers;
+
+/// <summary>
+/// 任务领域，任务相关核心逻辑
+/// </summary>
+public class AssignmentManager : DomainService
+{
+    /// <summary>
+    /// 接受任务
+    /// </summary>
+    /// <param name="userId">领取用户</param>
+    /// <param name="asignmentDefineId">任务定义id</param>
+    /// <returns></returns>
+    public Task AcceptAsync(Guid userId, Guid asignmentDefineId)
+    {
+        throw new NotImplementedException();
+    }
+    
+    /// <summary>
+    /// 领取任务奖励
+    /// </summary>
+    /// <param name="asignmentId">任务id</param>
+    /// <returns></returns>
+    /// <exception cref="NotImplementedException"></exception>
+    public Task ReceiveRewardsAsync(Guid asignmentId)
+    {
+        throw new NotImplementedException();
+    }
+    
+    
+    /// <summary>
+    /// 根据用户id获取能够领取的任务列表
+    /// </summary>
+    /// <param name="userId">用户id</param>
+    /// <returns></returns>
+    public Task<List<AssignmentDefineAggregateRoot>> GetCanReceiveListAsync(Guid userId)
+    {
+        throw new NotImplementedException();
+    }
+}
\ No newline at end of file
diff --git a/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/AssignmentProviders/AssignmentContext.cs b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/AssignmentProviders/AssignmentContext.cs
new file mode 100644
index 00000000..4f1f6048
--- /dev/null
+++ b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/AssignmentProviders/AssignmentContext.cs
@@ -0,0 +1,21 @@
+using Yi.Framework.Bbs.Domain.Entities.Assignment;
+
+namespace Yi.Framework.Bbs.Domain.Managers.AssignmentProviders;
+
+public class AssignmentContext
+{
+    /// <summary>
+    /// 全部的任务定义
+    /// </summary>
+    public List<AssignmentDefineAggregateRoot> AllAssignmentDefine { get; }
+
+    /// <summary>
+    /// 当前用户的全部任务数据
+    /// </summary>
+    public List<AssignmentAggregateRoot> CurrentUserAssignments { get; }
+
+    /// <summary>
+    /// 当前用户id
+    /// </summary>
+    public Guid CurrentUserId { get; set; }
+}
\ No newline at end of file
diff --git a/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/AssignmentProviders/IAssignmentProvider.cs b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/AssignmentProviders/IAssignmentProvider.cs
new file mode 100644
index 00000000..9f718414
--- /dev/null
+++ b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/AssignmentProviders/IAssignmentProvider.cs
@@ -0,0 +1,24 @@
+using Volo.Abp.DependencyInjection;
+using Yi.Framework.Bbs.Domain.Entities.Assignment;
+
+namespace Yi.Framework.Bbs.Domain.Managers.AssignmentProviders;
+
+/// <summary>
+/// 任务提供者接口
+/// </summary>
+public interface IAssignmentProvider : ITransientDependency
+{
+    /// <summary>
+    /// 获取可领取的任务定义，该方法需全部AssignmentProvider去重
+    /// </summary>
+    /// <param name="context"></param>
+    /// <returns></returns>
+    Task<List<AssignmentDefineAggregateRoot>> GetCanReceiveListAsync(AssignmentContext context);
+
+    /// <summary>
+    /// 校验是否能够被领取，该方法还需工厂进行代理执行一次
+    /// </summary>
+    /// <param name="context"></param>
+    /// <returns></returns>
+    Task VerifyCanAcceptAsync(AssignmentContext context);
+}
\ No newline at end of file
diff --git a/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/AssignmentProviders/Impl/DailyProvider.cs b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/AssignmentProviders/Impl/DailyProvider.cs
new file mode 100644
index 00000000..56ce0057
--- /dev/null
+++ b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/AssignmentProviders/Impl/DailyProvider.cs
@@ -0,0 +1,9 @@
+namespace Yi.Framework.Bbs.Domain.Managers.AssignmentProviders;
+
+/// <summary>
+///     每日任务提供者
+/// </summary>
+public class DailyProvider : TimerProvider
+{
+    protected override TimeSpan TimeCycle => TimeSpan.FromDays(1);
+}
\ No newline at end of file
diff --git a/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/AssignmentProviders/Impl/NoviceProvider.cs b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/AssignmentProviders/Impl/NoviceProvider.cs
new file mode 100644
index 00000000..24f2062c
--- /dev/null
+++ b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/AssignmentProviders/Impl/NoviceProvider.cs
@@ -0,0 +1,19 @@
+using Yi.Framework.Bbs.Domain.Entities.Assignment;
+
+namespace Yi.Framework.Bbs.Domain.Managers.AssignmentProviders;
+
+/// <summary>
+///     新手任务提供者
+/// </summary>
+public class NoviceProvider : IAssignmentProvider
+{
+    public Task<List<AssignmentDefineAggregateRoot>> GetCanReceiveListAsync(AssignmentContext context)
+    {
+        throw new NotImplementedException();
+    }
+
+    public Task VerifyCanAcceptAsync(AssignmentContext context)
+    {
+        throw new NotImplementedException();
+    }
+}
\ No newline at end of file
diff --git a/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/AssignmentProviders/Impl/WeeklyProvider.cs b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/AssignmentProviders/Impl/WeeklyProvider.cs
new file mode 100644
index 00000000..4a39e7a7
--- /dev/null
+++ b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/AssignmentProviders/Impl/WeeklyProvider.cs
@@ -0,0 +1,9 @@
+namespace Yi.Framework.Bbs.Domain.Managers.AssignmentProviders;
+
+/// <summary>
+///     每周任务提供者
+/// </summary>
+public class WeeklyProvider : TimerProvider
+{
+    protected override TimeSpan TimeCycle => TimeSpan.FromDays(7);
+}
\ No newline at end of file
diff --git a/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/AssignmentProviders/TimerAbstractProvider.cs b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/AssignmentProviders/TimerAbstractProvider.cs
new file mode 100644
index 00000000..a22a8637
--- /dev/null
+++ b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/AssignmentProviders/TimerAbstractProvider.cs
@@ -0,0 +1,24 @@
+using Yi.Framework.Bbs.Domain.Entities.Assignment;
+
+namespace Yi.Framework.Bbs.Domain.Managers.AssignmentProviders;
+
+/// <summary>
+/// 定时任务提供者
+/// </summary>
+public abstract class TimerProvider : IAssignmentProvider
+{
+    /// <summary>
+    /// 时间周期
+    /// </summary>
+    protected abstract TimeSpan TimeCycle { get; }
+
+    public Task<List<AssignmentDefineAggregateRoot>> GetCanReceiveListAsync(AssignmentContext context)
+    {
+        throw new NotImplementedException();
+    }
+
+    public Task VerifyCanAcceptAsync(AssignmentContext context)
+    {
+        throw new NotImplementedException();
+    }
+}
\ No newline at end of file