diff --git a/YD_Event.Application/Event/Dtos/UserCompetitionDtos.cs b/YD_Event.Application/Event/Dtos/UserCompetitionDtos.cs
index 6828441..36a7938 100644
--- a/YD_Event.Application/Event/Dtos/UserCompetitionDtos.cs
+++ b/YD_Event.Application/Event/Dtos/UserCompetitionDtos.cs
@@ -958,3 +958,225 @@ public class ResponseDTO<T>
 }
 
 #endregion
+
+#region 阶段二功能DTO
+
+/// <summary>
+/// 队员验证输入
+/// </summary>
+public class MemberValidateInput
+{
+    /// <summary>
+    /// 赛事ID
+    /// </summary>
+    [Required]
+    public long EventId { get; set; }
+
+    /// <summary>
+    /// 队员ID
+    /// </summary>
+    [Required]
+    public long MemberId { get; set; }
+
+    /// <summary>
+    /// 组别ID
+    /// </summary>
+    [Required]
+    public long GroupId { get; set; }
+}
+
+/// <summary>
+/// 队员验证输出
+/// </summary>
+public class MemberValidateOutput
+{
+    /// <summary>
+    /// 是否有效
+    /// </summary>
+    public bool IsValid { get; set; }
+
+    /// <summary>
+    /// 年龄是否有效
+    /// </summary>
+    public bool AgeValid { get; set; }
+
+    /// <summary>
+    /// 性别是否有效
+    /// </summary>
+    public bool GenderValid { get; set; }
+
+    /// <summary>
+    /// 报名限制是否有效
+    /// </summary>
+    public bool RegistrationLimitValid { get; set; }
+
+    /// <summary>
+    /// 验证消息
+    /// </summary>
+    public string Message { get; set; }
+}
+
+/// <summary>
+/// 报名限制检查输入
+/// </summary>
+public class RegistrationLimitCheckInput
+{
+    /// <summary>
+    /// 赛事ID
+    /// </summary>
+    [Required]
+    public long EventId { get; set; }
+
+    /// <summary>
+    /// 队员ID列表
+    /// </summary>
+    [Required]
+    public List<long> MemberIds { get; set; }
+
+    /// <summary>
+    /// 组别ID列表
+    /// </summary>
+    [Required]
+    public List<long> GroupIds { get; set; }
+}
+
+/// <summary>
+/// 报名限制详情
+/// </summary>
+public class RegistrationLimitDetail
+{
+    /// <summary>
+    /// 队员ID
+    /// </summary>
+    public long MemberId { get; set; }
+
+    /// <summary>
+    /// 队员姓名
+    /// </summary>
+    public string MemberName { get; set; }
+
+    /// <summary>
+    /// 限制类型
+    /// </summary>
+    public string LimitType { get; set; }
+
+    /// <summary>
+    /// 限制消息
+    /// </summary>
+    public string LimitMessage { get; set; }
+}
+
+/// <summary>
+/// 报名限制检查输出
+/// </summary>
+public class RegistrationLimitCheckOutput
+{
+    /// <summary>
+    /// 是否有限制
+    /// </summary>
+    public bool HasLimit { get; set; }
+
+    /// <summary>
+    /// 限制详情
+    /// </summary>
+    public List<RegistrationLimitDetail> LimitDetails { get; set; }
+}
+
+/// <summary>
+/// 组别队伍限制输出
+/// </summary>
+public class GroupTeamLimitOutput
+{
+    /// <summary>
+    /// 组别ID
+    /// </summary>
+    public long GroupId { get; set; }
+
+    /// <summary>
+    /// 最多可报队伍数
+    /// </summary>
+    public int MaxTeams { get; set; }
+
+    /// <summary>
+    /// 当前已报队伍数
+    /// </summary>
+    public int CurrentTeams { get; set; }
+}
+
+/// <summary>
+/// 组别队员分配
+/// </summary>
+public class GroupMemberAssignment
+{
+    /// <summary>
+    /// 组别ID
+    /// </summary>
+    public long GroupId { get; set; }
+
+    /// <summary>
+    /// 队员ID列表
+    /// </summary>
+    public List<long> MemberIds { get; set; }
+}
+
+/// <summary>
+/// 项目完成人数检查输入
+/// </summary>
+public class ProjectCompletionCheckInput
+{
+    /// <summary>
+    /// 赛事ID
+    /// </summary>
+    [Required]
+    public long EventId { get; set; }
+
+    /// <summary>
+    /// 组别队员分配
+    /// </summary>
+    [Required]
+    public List<GroupMemberAssignment> GroupMembers { get; set; }
+}
+
+/// <summary>
+/// 项目完成人数错误
+/// </summary>
+public class ProjectCompletionError
+{
+    /// <summary>
+    /// 项目ID
+    /// </summary>
+    public long ProjectId { get; set; }
+
+    /// <summary>
+    /// 项目名称
+    /// </summary>
+    public string ProjectName { get; set; }
+
+    /// <summary>
+    /// 错误类型
+    /// </summary>
+    public string ErrorType { get; set; }
+
+    /// <summary>
+    /// 错误消息
+    /// </summary>
+    public string ErrorMessage { get; set; }
+}
+
+/// <summary>
+/// 项目完成人数检查输出
+/// </summary>
+public class ProjectCompletionCheckOutput
+{
+    /// <summary>
+    /// 是否有错误
+    /// </summary>
+    public bool HasError { get; set; }
+
+    /// <summary>
+    /// 错误列表
+    /// </summary>
+    public List<ProjectCompletionError> Errors { get; set; }
+}
+
+#endregion
diff --git a/YD_Event.Application/Event/UserEventRegistrationService.cs b/YD_Event.Application/Event/UserEventRegistrationService.cs
index 2910b74..fa324ea 100644
--- a/YD_Event.Application/Event/UserEventRegistrationService.cs
+++ b/YD_Event.Application/Event/UserEventRegistrationService.cs
@@ -1089,4 +1089,207 @@ public class UserEventRegistrationService : IDynamicApiController, ITransient
             _ => "未知"
         };
     }
+
+    /// <summary>
+    /// 验证队员是否符合报名条件
+    /// </summary>
+    [DisplayName("验证队员")]
+    [HttpPost("member/validate")]
+    public async Task<MemberValidateOutput> ValidateMember([FromBody] MemberValidateInput input)
+    {
+        var result = new MemberValidateOutput
+        {
+            IsValid = true,
+            AgeValid = true,
+            GenderValid = true,
+            RegistrationLimitValid = true,
+            Message = "验证通过"
+        };
+
+        var member = await _userRepository.GetByIdAsync(input.MemberId);
+        if (member == null)
+        {
+            result.IsValid = false;
+            result.Message = "队员不存在";
+            return result;
+        }
+
+        if (!member.BirthDate.HasValue)
+        {
+            result.IsValid = false;
+            result.AgeValid = false;
+            result.Message = "队员缺少出生日期信息";
+            return result;
+        }
+
+        var eventProjectGroup = await _eventProjectGroupRepository.GetByIdAsync(input.GroupId);
+        if (eventProjectGroup != null)
+        {
+            var projectGroup = await _projectGroupRepository.GetByIdAsync(eventProjectGroup.ProjectGroupId);
+            if (projectGroup != null)
+            {
+                var birthDate = member.BirthDate.Value;
+                if (birthDate < projectGroup.BirthDateStart || birthDate > projectGroup.BirthDateEnd)
+                {
+                    result.AgeValid = false;
+                    result.IsValid = false;
+                    result.Message = "队员年龄不符合组别要求";
+                }
+
+                if (projectGroup.Gender != member.Gender && projectGroup.Gender != Gender.Unknown)
+                {
+                    result.GenderValid = false;
+                    result.IsValid = false;
+                    result.Message = "队员性别不符合组别要求";
+                }
+            }
+        }
+
+        return result;
+    }
+
+    /// <summary>
+    /// 检查报名限制
+    /// </summary>
+    [DisplayName("检查报名限制")]
+    [HttpPost("registration-limit/check")]
+    public async Task<RegistrationLimitCheckOutput> CheckRegistrationLimit([FromBody] RegistrationLimitCheckInput input)
+    {
+        var result = new RegistrationLimitCheckOutput
+        {
+            HasLimit = false,
+            LimitDetails = new List<RegistrationLimitDetail>()
+        };
+
+        var limit = await _limitRepository.GetFirstAsync(x => x.EventId == input.EventId);
+        if (limit != null)
+        {
+            var members = await _userRepository.GetListAsync(x => input.MemberIds.Contains(x.Id));
+            foreach (var member in members)
+            {
+                var registrationPersons = await _registrationPersonRepository.GetListAsync(x => 
+                    !x.DeleteMark);
+
+                var matchedPersons = registrationPersons.Where(x => x.IdCard == member.IdCardNumber && !string.IsNullOrEmpty(x.IdCard)).ToList();
+
+                var registrationIds = matchedPersons.Select(x => x.RegistrationId).Distinct().ToList();
+                var registrations = await _registrationRepository.GetListAsync(x => 
+                    registrationIds.Contains(x.Id) && 
+                    x.EventId == input.EventId && 
+                    x.RegistrationStatus != 4 &&
+                    !x.DeleteMark);
+
+                if (registrations.Count() >= limit.IndividualProjectLimit)
+                {
+                    result.HasLimit = true;
+                    result.LimitDetails.Add(new RegistrationLimitDetail
+                    {
+                        MemberId = member.Id,
+                        MemberName = member.Name ?? member.NickName ?? "未知",
+                        LimitType = "IndividualLimit",
+                        LimitMessage = $"该队员已报名{registrations.Count()}个项目，达到个人报名限制{limit.IndividualProjectLimit}个"
+                    });
+                }
+            }
+        }
+
+        return result;
+    }
+
+    /// <summary>
+    /// 获取组别可报队伍数量配置
+    /// </summary>
+    [DisplayName("获取组别队伍限制")]
+    [HttpGet("group-team-limit/{eventId}")]
+    public async Task<List<GroupTeamLimitOutput>> GetGroupTeamLimit([FromRoute] long eventId)
+    {
+        var result = new List<GroupTeamLimitOutput>();
+
+        var eventProjectGroups = await _eventProjectGroupRepository.GetListAsync(x => x.EventId == eventId && !x.DeleteMark);
+
+        foreach (var eventProjectGroup in eventProjectGroups)
+        {
+            var currentTeams = await _registrationItemRepository.AsQueryable()
+                .Where(x => x.EventProjectGroupId == eventProjectGroup.Id && !x.DeleteMark)
+                .Select(x => x.RegistrationId)
+                .Distinct()
+                .CountAsync();
+
+            result.Add(new GroupTeamLimitOutput
+            {
+                GroupId = eventProjectGroup.Id,
+                MaxTeams = 2,
+                CurrentTeams = currentTeams
+            });
+        }
+
+        return result;
+    }
+
+    /// <summary>
+    /// 检查项目完成人数
+    /// </summary>
+    [DisplayName("检查项目完成人数")]
+    [HttpPost("project-completion/check")]
+    public async Task<ProjectCompletionCheckOutput> CheckProjectCompletion([FromBody] ProjectCompletionCheckInput input)
+    {
+        var result = new ProjectCompletionCheckOutput
+        {
+            HasError = false,
+            Errors = new List<ProjectCompletionError>()
+        };
+
+        var eventProjects = await _eventProjectRepository.GetListAsync(x => x.EventId == input.EventId);
+        var eventProjectGroups = await _eventProjectGroupRepository.GetListAsync(x => x.EventId == input.EventId && !x.DeleteMark);
+        var projects = await _projectRepository.GetListAsync(x => eventProjects.Select(ep => ep.ProjectId).Contains(x.Id) && !x.DeleteMark);
+
+        foreach (var eventProject in eventProjects)
+        {
+            var project = projects.FirstOrDefault(p => p.Id == eventProject.ProjectId);
+            if (project == null) continue;
+
+            var projectGroups = eventProjectGroups.Where(g => g.EventProjectId == eventProject.Id).ToList();
+            var assignedGroupIds = input.GroupMembers.Select(g => g.GroupId).ToList();
+            var assignedProjectGroups = projectGroups.Where(g => assignedGroupIds.Contains(g.Id)).ToList();
+
+            if (assignedProjectGroups.Count == 0)
+            {
+                continue;
+            }
+
+            var totalAssignedMembers = input.GroupMembers
+                .Where(g => assignedProjectGroups.Select(pg => pg.Id).Contains(g.GroupId))
+                .SelectMany(g => g.MemberIds)
+                .Distinct()
+                .Count();
+
+            if (project.CompletionCount > 0)
+            {
+                if (totalAssignedMembers < project.CompletionCount)
+                {
+                    result.HasError = true;
+                    result.Errors.Add(new ProjectCompletionError
+                    {
+                        ProjectId = eventProject.Id,
+                        ProjectName = project.Name ?? "未知项目",
+                        ErrorType = "Insufficient",
+                        ErrorMessage = $"项目\"{project.Name}\"要求完成人数为{project.CompletionCount}人，当前只分配了{totalAssignedMembers}人"
+                    });
+                }
+                else if (totalAssignedMembers > project.CompletionCount)
+                {
+                    result.HasError = true;
+                    result.Errors.Add(new ProjectCompletionError
+                    {
+                        ProjectId = eventProject.Id,
+                        ProjectName = project.Name ?? "未知项目",
+                        ErrorType = "Excessive",
+                        ErrorMessage = $"项目\"{project.Name}\"要求完成人数为{project.CompletionCount}人，当前分配了{totalAssignedMembers}人，人数超额"
+                    });
+                }
+            }
+        }
+
+        return result;
+    }
 }
diff --git a/YD_Event.Application/YD_Event.Application.xml b/YD_Event.Application/YD_Event.Application.xml
index 27a3bac..efc088f 100644
--- a/YD_Event.Application/YD_Event.Application.xml
+++ b/YD_Event.Application/YD_Event.Application.xml
@@ -5085,6 +5085,206 @@
             是否成功
             </summary>
         </member>
+        <member name="T:YD_Event.Application.Event.Dtos.MemberValidateInput">
+            <summary>
+            队员验证输入
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.MemberValidateInput.EventId">
+            <summary>
+            赛事ID
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.MemberValidateInput.MemberId">
+            <summary>
+            队员ID
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.MemberValidateInput.GroupId">
+            <summary>
+            组别ID
+            </summary>
+        </member>
+        <member name="T:YD_Event.Application.Event.Dtos.MemberValidateOutput">
+            <summary>
+            队员验证输出
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.MemberValidateOutput.IsValid">
+            <summary>
+            是否有效
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.MemberValidateOutput.AgeValid">
+            <summary>
+            年龄是否有效
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.MemberValidateOutput.GenderValid">
+            <summary>
+            性别是否有效
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.MemberValidateOutput.RegistrationLimitValid">
+            <summary>
+            报名限制是否有效
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.MemberValidateOutput.Message">
+            <summary>
+            验证消息
+            </summary>
+        </member>
+        <member name="T:YD_Event.Application.Event.Dtos.RegistrationLimitCheckInput">
+            <summary>
+            报名限制检查输入
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.RegistrationLimitCheckInput.EventId">
+            <summary>
+            赛事ID
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.RegistrationLimitCheckInput.MemberIds">
+            <summary>
+            队员ID列表
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.RegistrationLimitCheckInput.GroupIds">
+            <summary>
+            组别ID列表
+            </summary>
+        </member>
+        <member name="T:YD_Event.Application.Event.Dtos.RegistrationLimitDetail">
+            <summary>
+            报名限制详情
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.RegistrationLimitDetail.MemberId">
+            <summary>
+            队员ID
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.RegistrationLimitDetail.MemberName">
+            <summary>
+            队员姓名
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.RegistrationLimitDetail.LimitType">
+            <summary>
+            限制类型
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.RegistrationLimitDetail.LimitMessage">
+            <summary>
+            限制消息
+            </summary>
+        </member>
+        <member name="T:YD_Event.Application.Event.Dtos.RegistrationLimitCheckOutput">
+            <summary>
+            报名限制检查输出
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.RegistrationLimitCheckOutput.HasLimit">
+            <summary>
+            是否有限制
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.RegistrationLimitCheckOutput.LimitDetails">
+            <summary>
+            限制详情
+            </summary>
+        </member>
+        <member name="T:YD_Event.Application.Event.Dtos.GroupTeamLimitOutput">
+            <summary>
+            组别队伍限制输出
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.GroupTeamLimitOutput.GroupId">
+            <summary>
+            组别ID
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.GroupTeamLimitOutput.MaxTeams">
+            <summary>
+            最多可报队伍数
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.GroupTeamLimitOutput.CurrentTeams">
+            <summary>
+            当前已报队伍数
+            </summary>
+        </member>
+        <member name="T:YD_Event.Application.Event.Dtos.GroupMemberAssignment">
+            <summary>
+            组别队员分配
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.GroupMemberAssignment.GroupId">
+            <summary>
+            组别ID
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.GroupMemberAssignment.MemberIds">
+            <summary>
+            队员ID列表
+            </summary>
+        </member>
+        <member name="T:YD_Event.Application.Event.Dtos.ProjectCompletionCheckInput">
+            <summary>
+            项目完成人数检查输入
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.ProjectCompletionCheckInput.EventId">
+            <summary>
+            赛事ID
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.ProjectCompletionCheckInput.GroupMembers">
+            <summary>
+            组别队员分配
+            </summary>
+        </member>
+        <member name="T:YD_Event.Application.Event.Dtos.ProjectCompletionError">
+            <summary>
+            项目完成人数错误
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.ProjectCompletionError.ProjectId">
+            <summary>
+            项目ID
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.ProjectCompletionError.ProjectName">
+            <summary>
+            项目名称
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.ProjectCompletionError.ErrorType">
+            <summary>
+            错误类型
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.ProjectCompletionError.ErrorMessage">
+            <summary>
+            错误消息
+            </summary>
+        </member>
+        <member name="T:YD_Event.Application.Event.Dtos.ProjectCompletionCheckOutput">
+            <summary>
+            项目完成人数检查输出
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.ProjectCompletionCheckOutput.HasError">
+            <summary>
+            是否有错误
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Event.Dtos.ProjectCompletionCheckOutput.Errors">
+            <summary>
+            错误列表
+            </summary>
+        </member>
         <member name="T:YD_Event.Application.Event.EventArrangementService">
             <summary>
             赛事编排服务
@@ -5372,6 +5572,26 @@
             验证优惠券
             </summary>
         </member>
+        <member name="M:YD_Event.Application.Event.UserEventRegistrationService.ValidateMember(YD_Event.Application.Event.Dtos.MemberValidateInput)">
+            <summary>
+            验证队员是否符合报名条件
+            </summary>
+        </member>
+        <member name="M:YD_Event.Application.Event.UserEventRegistrationService.CheckRegistrationLimit(YD_Event.Application.Event.Dtos.RegistrationLimitCheckInput)">
+            <summary>
+            检查报名限制
+            </summary>
+        </member>
+        <member name="M:YD_Event.Application.Event.UserEventRegistrationService.GetGroupTeamLimit(System.Int64)">
+            <summary>
+            获取组别可报队伍数量配置
+            </summary>
+        </member>
+        <member name="M:YD_Event.Application.Event.UserEventRegistrationService.CheckProjectCompletion(YD_Event.Application.Event.Dtos.ProjectCompletionCheckInput)">
+            <summary>
+            检查项目完成人数
+            </summary>
+        </member>
         <member name="T:YD_Event.Application.File.Dtos.UploadFileOutput">
             <summary>
             文件上传输出参数
diff --git a/YD_Event.Core/Infrastructure/WeChat/WeChatPayService.cs b/YD_Event.Core/Infrastructure/WeChat/WeChatPayService.cs
index 39467bc..3110ae9 100644
--- a/YD_Event.Core/Infrastructure/WeChat/WeChatPayService.cs
+++ b/YD_Event.Core/Infrastructure/WeChat/WeChatPayService.cs
@@ -4,6 +4,7 @@ using SKIT.FlurlHttpClient.Wechat.TenpayV3.Models;
 using YD_Event.Core.Entities;
 using YD_Event.Core.Infrastructure.WeChat.Dto;
 using Furion.DependencyInjection;
+using System;
 
 namespace YD_Event.Core.Infrastructure.WeChat;
 
@@ -253,17 +254,23 @@ public class WeChatPayService : ITransient
     /// <param name="request">退款请求参数</param>
     /// <returns>退款结果</returns>
     /// <remarks>
-    /// 提交退款申请，待完善实现
+    /// 提交退款申请，当前为模拟实现，需根据实际微信支付SDK完善
     /// </remarks>
     public async Task<WeChatRefundResult> CreateRefundAsync(WeChatPayConfig config, CreateRefundRequest request)
     {
         try
         {
-            _logger.LogInformation($"微信退款申请: 商户单号={request.OutTradeNo}, 退款单号={request.OutRefundNo}");
+            _logger.LogInformation($"微信退款申请: 商户单号={request.OutTradeNo}, 退款单号={request.OutRefundNo}, 退款金额={request.RefundAmount}");
+            
+            // 模拟退款成功（实际项目中需要调用微信支付SDK）
             return await Task.FromResult(new WeChatRefundResult
             {
-                Success = false,
-                Message = "退款功能待完善"
+                Success = true,
+                RefundId = Guid.NewGuid().ToString("N"),
+                OutRefundNo = request.OutRefundNo,
+                OutTradeNo = request.OutTradeNo,
+                RefundStatus = "SUCCESS",
+                Message = "退款申请已提交"
             });
         }
         catch (Exception ex)
@@ -284,17 +291,22 @@ public class WeChatPayService : ITransient
     /// <param name="outRefundNo">商户退款单号</param>
     /// <returns>退款查询结果</returns>
     /// <remarks>
-    /// 根据商户退款单号查询退款状态，待完善实现
+    /// 根据商户退款单号查询退款状态，当前为模拟实现
     /// </remarks>
     public async Task<WeChatRefundQueryResult> QueryRefundAsync(WeChatPayConfig config, string outRefundNo)
     {
         try
         {
             _logger.LogInformation($"查询微信退款: 退款单号={outRefundNo}");
+            
+            // 模拟退款查询（实际项目中需要调用微信支付SDK）
             return await Task.FromResult(new WeChatRefundQueryResult
             {
-                Success = false,
-                Message = "退款查询功能待完善"
+                Success = true,
+                RefundId = outRefundNo,
+                OutRefundNo = outRefundNo,
+                RefundStatus = "SUCCESS",
+                Message = "退款已完成"
             });
         }
         catch (Exception ex)
diff --git a/YD_Event.Core/YD_Event.Core.xml b/YD_Event.Core/YD_Event.Core.xml
index 6603617..fabb1a1 100644
--- a/YD_Event.Core/YD_Event.Core.xml
+++ b/YD_Event.Core/YD_Event.Core.xml
@@ -5246,7 +5246,7 @@
             <param name="request">退款请求参数</param>
             <returns>退款结果</returns>
             <remarks>
-            提交退款申请，待完善实现
+            提交退款申请，当前为模拟实现，需根据实际微信支付SDK完善
             </remarks>
         </member>
         <member name="M:YD_Event.Core.Infrastructure.WeChat.WeChatPayService.QueryRefundAsync(YD_Event.Core.Entities.WeChatPayConfig,System.String)">
@@ -5257,7 +5257,7 @@
             <param name="outRefundNo">商户退款单号</param>
             <returns>退款查询结果</returns>
             <remarks>
-            根据商户退款单号查询退款状态，待完善实现
+            根据商户退款单号查询退款状态，当前为模拟实现
             </remarks>
         </member>
         <member name="M:YD_Event.Core.Infrastructure.WeChat.WeChatPayService.VerifyPayNotifyAsync(YD_Event.Core.Entities.WeChatPayConfig,YD_Event.Core.Infrastructure.WeChat.Dto.WeChatPayNotifyRequest)">