diff --git a/YD_Event.Application/Merchant/Dtos/MerchantCertificationDtos.cs b/YD_Event.Application/Merchant/Dtos/MerchantCertificationDtos.cs
new file mode 100644
index 0000000..0136c2c
--- /dev/null
+++ b/YD_Event.Application/Merchant/Dtos/MerchantCertificationDtos.cs
@@ -0,0 +1,162 @@
+using System.ComponentModel.DataAnnotations;
+using YD_Event.Core.Enum;
+
+namespace YD_Event.Application.Merchant.Dtos;
+
+/// <summary>
+/// 单位认证输出
+/// </summary>
+public class MerchantCertificationOutput
+{
+    /// <summary>
+    /// 主键ID
+    /// </summary>
+    public long Id { get; set; }
+
+    /// <summary>
+    /// 用户ID
+    /// </summary>
+    public long UserId { get; set; }
+
+    /// <summary>
+    /// 单位名称
+    /// </summary>
+    public string MerchantName { get; set; }
+
+    /// <summary>
+    /// 统一社会信用代码
+    /// </summary>
+    public string CreditCode { get; set; }
+
+    /// <summary>
+    /// 营业执照图片URL
+    /// </summary>
+    public string BusinessLicenseUrl { get; set; }
+
+    /// <summary>
+    /// 联系电话
+    /// </summary>
+    public string ContactPhone { get; set; }
+
+    /// <summary>
+    /// 地址
+    /// </summary>
+    public string Address { get; set; }
+
+    /// <summary>
+    /// 审核状态
+    /// </summary>
+    public AuditStatus AuditStatus { get; set; }
+
+    /// <summary>
+    /// 审核备注
+    /// </summary>
+    public string? AuditRemark { get; set; }
+
+    /// <summary>
+    /// 创建时间
+    /// </summary>
+    public DateTime CreatedTime { get; set; }
+
+    /// <summary>
+    /// 更新时间
+    /// </summary>
+    public DateTime? UpdatedTime { get; set; }
+}
+
+/// <summary>
+/// 提交单位认证输入
+/// </summary>
+public class SubmitCertificationInput
+{
+    /// <summary>
+    /// 单位名称
+    /// </summary>
+    [Required(ErrorMessage = "单位名称不能为空")]
+    public string MerchantName { get; set; }
+
+    /// <summary>
+    /// 统一社会信用代码
+    /// </summary>
+    [Required(ErrorMessage = "统一社会信用代码不能为空")]
+    public string CreditCode { get; set; }
+
+    /// <summary>
+    /// 营业执照图片URL
+    /// </summary>
+    [Required(ErrorMessage = "请上传营业执照")]
+    public string BusinessLicenseUrl { get; set; }
+
+    /// <summary>
+    /// 地址
+    /// </summary>
+    [Required(ErrorMessage = "地址不能为空")]
+    public string Address { get; set; }
+
+    /// <summary>
+    /// 联系方式
+    /// </summary>
+    [Required(ErrorMessage = "联系方式不能为空")]
+    [RegularExpression(@"^1[3456789]\d{9}$", ErrorMessage = "手机号格式不正确")]
+    public string ContactPhone { get; set; }
+
+    /// <summary>
+    /// 验证码
+    /// </summary>
+    [Required(ErrorMessage = "验证码不能为空")]
+    public string VerificationCode { get; set; }
+}
+
+/// <summary>
+/// 审核单位认证输入
+/// </summary>
+public class AuditCertificationInput
+{
+    /// <summary>
+    /// 认证ID列表
+    /// </summary>
+    [Required(ErrorMessage = "认证ID不能为空")]
+    public List<long> Ids { get; set; }
+
+    /// <summary>
+    /// 审核状态
+    /// </summary>
+    [Required(ErrorMessage = "审核状态不能为空")]
+    public AuditStatus Status { get; set; }
+
+    /// <summary>
+    /// 审核备注
+    /// </summary>
+    public string? Remark { get; set; }
+}
+
+/// <summary>
+/// 单位认证查询输入
+/// </summary>
+public class MerchantCertificationQueryInput : Pagination
+{
+    /// <summary>
+    /// 单位名称
+    /// </summary>
+    public string? MerchantName { get; set; }
+
+    /// <summary>
+    /// 联系电话
+    /// </summary>
+    public string? ContactPhone { get; set; }
+
+    /// <summary>
+    /// 审核状态
+    /// </summary>
+    public AuditStatus? AuditStatus { get; set; }
+
+    /// <summary>
+    /// 开始时间
+    /// </summary>
+    public DateTime? StartTime { get; set; }
+
+    /// <summary>
+    /// 结束时间
+    /// </summary>
+    public DateTime? EndTime { get; set; }
+}
diff --git a/YD_Event.Application/Merchant/Dtos/SubmitCertificationInput.cs b/YD_Event.Application/Merchant/Dtos/SubmitCertificationInput.cs
deleted file mode 100644
index e3d20a8..0000000
--- a/YD_Event.Application/Merchant/Dtos/SubmitCertificationInput.cs
+++ /dev/null
@@ -1,46 +0,0 @@
-using System.ComponentModel.DataAnnotations;
-
-namespace YD_Event.Application.Merchant.Dtos;
-
-/// <summary>
-/// 提交认证输入
-/// </summary>
-public class SubmitCertificationInput
-{
-    /// <summary>
-    /// 单位名称
-    /// </summary>
-    [Required(ErrorMessage = "单位名称不能为空")]
-    public string MerchantName { get; set; }
-
-    /// <summary>
-    /// 统一社会信用代码
-    /// </summary>
-    [Required(ErrorMessage = "统一社会信用代码不能为空")]
-    public string CreditCode { get; set; }
-
-    /// <summary>
-    /// 营业执照图片URL
-    /// </summary>
-    [Required(ErrorMessage = "请上传营业执照")]
-    public string BusinessLicenseUrl { get; set; }
-
-    /// <summary>
-    /// 地址
-    /// </summary>
-    [Required(ErrorMessage = "地址不能为空")]
-    public string Address { get; set; }
-
-    /// <summary>
-    /// 联系方式
-    /// </summary>
-    [Required(ErrorMessage = "联系方式不能为空")]
-    [RegularExpression(@"^1[3456789]\d{9}$", ErrorMessage = "手机号格式不正确")]
-    public string ContactPhone { get; set; }
-
-    /// <summary>
-    /// 验证码
-    /// </summary>
-    [Required(ErrorMessage = "验证码不能为空")]
-    public string VerificationCode { get; set; }
-}
diff --git a/YD_Event.Application/Merchant/MerchantCertificationService.cs b/YD_Event.Application/Merchant/MerchantCertificationService.cs
new file mode 100644
index 0000000..c1e086f
--- /dev/null
+++ b/YD_Event.Application/Merchant/MerchantCertificationService.cs
@@ -0,0 +1,219 @@
+using Microsoft.Extensions.Caching.Memory;
+using YD_Event.Application.Auth;
+using YD_Event.Application.Merchant.Dtos;
+using YD_Event.Core.Entities;
+using YD_Event.Core.Enum;
+using YD_Event.Core.Infrastructure.Aliyun.Sms;
+
+namespace YD_Event.Application.Merchant;
+
+/// <summary>
+/// 单位认证管理
+/// </summary>
+public class MerchantCertificationService : BaseService<MerchantCertification>, ITransient
+{
+    private readonly ISqlSugarRepository<MerchantCertification> _repository;
+    private readonly ISqlSugarRepository<YD_Event.Core.Entities.Merchant> _merchantRepository;
+    private readonly AuthManager _authManager;
+    private readonly IIdGenerator _idGenerator;
+    private readonly IMemoryCache _memoryCache;
+    private readonly AliyunSmsService _smsService;
+
+    public MerchantCertificationService(
+        ISqlSugarRepository<MerchantCertification> repository,
+        ISqlSugarRepository<YD_Event.Core.Entities.Merchant> merchantRepository,
+        AuthManager authManager,
+        IIdGenerator idGenerator,
+        IMemoryCache memoryCache,
+        AliyunSmsService smsService) : base(repository)
+    {
+        _repository = repository;
+        _merchantRepository = merchantRepository;
+        _authManager = authManager;
+        _idGenerator = idGenerator;
+        _memoryCache = memoryCache;
+        _smsService = smsService;
+    }
+
+    /// <summary>
+    /// 发送验证码
+    /// </summary>
+    [DisplayName("发送验证码")]
+    [HttpPost("sendVerificationCode")]
+    [AllowAnonymous]
+    public async Task SendVerificationCode([FromQuery] string phone)
+    {
+        if (string.IsNullOrWhiteSpace(phone) || !System.Text.RegularExpressions.Regex.IsMatch(phone, @"^1[3456789]\d{9}$"))
+            throw Oops.Bah("手机号格式不正确");
+
+        var code = new Random().Next(100000, 999999).ToString();
+        _memoryCache.Set($"verification_code_{phone}", code, TimeSpan.FromMinutes(5));
+        await _smsService.SendVerificationCodeAsync(phone, code);
+    }
+
+    /// <summary>
+    /// 提交单位认证
+    /// </summary>
+    [DisplayName("提交单位认证")]
+    [HttpPost("submitCertification")]
+    public async Task SubmitCertification(SubmitCertificationInput input)
+    {
+        if (!_memoryCache.TryGetValue($"verification_code_{input.ContactPhone}", out string? cachedCode) || cachedCode != input.VerificationCode)
+        {
+            throw Oops.Bah("验证码错误或已过期");
+        }
+
+        var userId = _authManager.UserId;
+        var certification = await _repository.GetFirstAsync(c => c.UserId == userId && !c.DeleteMark);
+
+        if (certification == null)
+        {
+            certification = new MerchantCertification
+            {
+                Id = _idGenerator.NextId(),
+                UserId = userId,
+                MerchantName = input.MerchantName,
+                CreditCode = input.CreditCode,
+                BusinessLicenseUrl = input.BusinessLicenseUrl,
+                Address = input.Address,
+                ContactPhone = input.ContactPhone,
+                AuditStatus = AuditStatus.PendingAudit,
+                Status = AvailabilityStatus.Enable,
+                DeleteMark = false,
+                CreatedUserId = userId,
+                CreatedTime = DateTime.Now
+            };
+            await _repository.InsertAsync(certification);
+        }
+        else
+        {
+            certification.MerchantName = input.MerchantName;
+            certification.CreditCode = input.CreditCode;
+            certification.BusinessLicenseUrl = input.BusinessLicenseUrl;
+            certification.Address = input.Address;
+            certification.ContactPhone = input.ContactPhone;
+            certification.AuditStatus = AuditStatus.PendingAudit;
+            certification.UpdatedUserId = userId;
+            certification.UpdatedTime = DateTime.Now;
+            await _repository.UpdateAsync(certification);
+        }
+
+        _memoryCache.Remove($"verification_code_{input.ContactPhone}");
+    }
+
+    /// <summary>
+    /// 获取我的认证信息
+    /// </summary>
+    [DisplayName("获取我的认证信息")]
+    [HttpGet("myCertification")]
+    public async Task<MerchantCertificationOutput?> GetMyCertification()
+    {
+        var userId = _authManager.UserId;
+        var certification = await _repository.GetFirstAsync(c => c.UserId == userId && !c.DeleteMark);
+        return certification?.Adapt<MerchantCertificationOutput>();
+    }
+
+    /// <summary>
+    /// 单位认证分页查询
+    /// </summary>
+    [DisplayName("单位认证分页查询")]
+    [HttpGet("page")]
+    public async Task<PageResult<MerchantCertificationOutput>> Page([FromQuery] MerchantCertificationQueryInput input)
+    {
+        var pageResult = await _repository.AsQueryable()
+            .WhereIF(!string.IsNullOrWhiteSpace(input.MerchantName), x => x.MerchantName.Contains(input.MerchantName))
+            .WhereIF(!string.IsNullOrWhiteSpace(input.ContactPhone), x => x.ContactPhone.Contains(input.ContactPhone))
+            .WhereIF(input.AuditStatus.HasValue, x => x.AuditStatus == input.AuditStatus)
+            .WhereIF(input.StartTime.HasValue, x => x.CreatedTime >= input.StartTime)
+            .WhereIF(input.EndTime.HasValue, x => x.CreatedTime <= input.EndTime)
+            .OrderByDescending(x => x.CreatedTime)
+            .Select(x => new MerchantCertificationOutput
+            {
+                Id = x.Id,
+                UserId = x.UserId,
+                MerchantName = x.MerchantName,
+                CreditCode = x.CreditCode,
+                BusinessLicenseUrl = x.BusinessLicenseUrl,
+                ContactPhone = x.ContactPhone,
+                Address = x.Address,
+                AuditStatus = x.AuditStatus,
+                AuditRemark = x.AuditRemark,
+                CreatedTime = x.CreatedTime,
+                UpdatedTime = x.UpdatedTime
+            })
+            .ToPagedListAsync(input);
+
+        return pageResult;
+    }
+
+    /// <summary>
+    /// 获取单位认证详情
+    /// </summary>
+    [DisplayName("获取单位认证详情")]
+    [HttpGet("detail")]
+    public async Task<MerchantCertificationOutput?> Detail([FromQuery] long id)
+    {
+        var certification = await _repository.GetByIdAsync(id);
+        return certification?.Adapt<MerchantCertificationOutput>();
+    }
+
+    /// <summary>
+    /// 审核单位认证
+    /// </summary>
+    [DisplayName("审核单位认证")]
+    [HttpPost("audit")]
+    [UnitOfWork]
+    public async Task Audit([FromBody] AuditCertificationInput input)
+    {
+        if (input.Ids == null || !input.Ids.Any()) return;
+
+        var certifications = await _repository.GetListAsync(c => input.Ids.Contains(c.Id) && !c.DeleteMark);
+        var userId = _authManager.UserId;
+
+        foreach (var certification in certifications)
+        {
+            certification.AuditStatus = input.Status;
+            certification.AuditRemark = input.Remark;
+            certification.UpdatedUserId = userId;
+            certification.UpdatedTime = DateTime.Now;
+
+            if (input.Status == AuditStatus.Pass)
+            {
+                var merchant = await _merchantRepository.GetFirstAsync(m => m.CreatedUserId == certification.UserId && !m.DeleteMark);
+                if (merchant == null)
+                {
+                    merchant = new YD_Event.Core.Entities.Merchant
+                    {
+                        Id = _idGenerator.NextId(),
+                        MerchantName = certification.MerchantName,
+                        CreditCode = certification.CreditCode,
+                        BusinessLicenseUrl = certification.BusinessLicenseUrl,
+                        Address = certification.Address,
+                        ContactPhone = certification.ContactPhone,
+                        BankName = "",
+                        AccountNumber = "",
+                        AuditStatus = AuditStatus.Pass,
+                        Status = AvailabilityStatus.Enable,
+                        DeleteMark = false,
+                        CreatedUserId = certification.UserId,
+                        CreatedTime = DateTime.Now
+                    };
+                    await _merchantRepository.InsertAsync(merchant);
+                }
+                else
+                {
+                    merchant.MerchantName = certification.MerchantName;
+                    merchant.CreditCode = certification.CreditCode;
+                    merchant.BusinessLicenseUrl = certification.BusinessLicenseUrl;
+                    merchant.Address = certification.Address;
+                    merchant.ContactPhone = certification.ContactPhone;
+                    merchant.UpdatedUserId = userId;
+                    merchant.UpdatedTime = DateTime.Now;
+                    await _merchantRepository.UpdateAsync(merchant);
+                }
+            }
+        }
+
+        await _repository.UpdateRangeAsync(certifications);
+    }
+}
diff --git a/YD_Event.Application/Merchant/MerchantService.cs b/YD_Event.Application/Merchant/MerchantService.cs
index 353d59a..6c74e6f 100644
--- a/YD_Event.Application/Merchant/MerchantService.cs
+++ b/YD_Event.Application/Merchant/MerchantService.cs
@@ -1,7 +1,5 @@
-using Microsoft.Extensions.Caching.Memory;
 using YD_Event.Application.Auth;
 using YD_Event.Application.Merchant.Dtos;
-using YD_Event.Core.Infrastructure.Aliyun.Sms;
 using YD_Event.Core.Entities;
 using YD_Event.Core.Enum;
 
@@ -17,113 +15,18 @@ public class MerchantService : BaseService<YD_Event.Core.Entities.Merchant>, ITr
     private readonly ISqlSugarRepository<WeChatPayConfig> _weChatPayConfigRepository;
     private readonly AuthManager _authManager;
     private readonly IIdGenerator _idGenerator;
-    private readonly IMemoryCache _memoryCache;
-    private readonly AliyunSmsService _smsService;
 
     public MerchantService(ISqlSugarRepository<YD_Event.Core.Entities.Merchant> repository,
         ISqlSugarRepository<UserCoupon> userCouponRepository,
         ISqlSugarRepository<WeChatPayConfig> weChatPayConfigRepository,
         AuthManager authManager,
-        IIdGenerator idGenerator,
-        IMemoryCache memoryCache,
-        AliyunSmsService smsService) : base(repository)
+        IIdGenerator idGenerator) : base(repository)
     {
         _repository = repository;
         _userCouponRepository = userCouponRepository;
         _weChatPayConfigRepository = weChatPayConfigRepository;
         _authManager = authManager;
         _idGenerator = idGenerator;
-        _memoryCache = memoryCache;
-        _smsService = smsService;
-    }
-
-    /// <summary>
-    /// 发送验证码
-    /// </summary>
-    [DisplayName("发送验证码")]
-    [HttpPost("sendVerificationCode")]
-    [AllowAnonymous]
-    public async Task SendVerificationCode([FromQuery] string phone)
-    {
-        if (string.IsNullOrWhiteSpace(phone) || !System.Text.RegularExpressions.Regex.IsMatch(phone, @"^1[3456789]\d{9}$"))
-            throw Oops.Bah("手机号格式不正确");
-
-        // 生成6位验证码
-        var code = new Random().Next(100000, 999999).ToString();
-        
-        // 存入缓存，有效期5分钟
-        _memoryCache.Set($"verification_code_{phone}", code, TimeSpan.FromMinutes(5));
-
-        // 发送短信
-        await _smsService.SendVerificationCodeAsync(phone, code);
-    }
-
-    /// <summary>
-    /// 提交单位认证
-    /// </summary>
-    [DisplayName("提交单位认证")]
-    [HttpPost("submitCertification")]
-    public async Task SubmitCertification(SubmitCertificationInput input)
-    {
-        // 验证验证码
-        if (!_memoryCache.TryGetValue($"verification_code_{input.ContactPhone}", out string? cachedCode) || cachedCode != input.VerificationCode)
-        {
-            throw Oops.Bah("验证码错误或已过期");
-        }
-
-        // 获取当前用户关联的商户信息
-        var userId = _authManager.UserId;
-        var merchant = await _repository.GetFirstAsync(m => m.CreatedUserId == userId);
-
-        if (merchant == null)
-        {
-            // 新增商户
-            merchant = new YD_Event.Core.Entities.Merchant
-            {
-                Id = _idGenerator.NextId(),
-                MerchantName = input.MerchantName,
-                CreditCode = input.CreditCode,
-                BusinessLicenseUrl = input.BusinessLicenseUrl,
-                Address = input.Address,
-                ContactPhone = input.ContactPhone,
-                BankName = "", // 默认为空，后续完善
-                AccountNumber = "", // 默认为空，后续完善
-                AuditStatus = AuditStatus.PendingAudit, // 待审核
-                Status = AvailabilityStatus.Enable,
-                CreatedUserId = userId,
-                CreatedTime = DateTime.Now
-            };
-            await _repository.InsertAsync(merchant);
-        }
-        else
-        {
-            // 更新商户信息
-            merchant.MerchantName = input.MerchantName;
-            merchant.CreditCode = input.CreditCode;
-            merchant.BusinessLicenseUrl = input.BusinessLicenseUrl;
-            merchant.Address = input.Address;
-            merchant.ContactPhone = input.ContactPhone;
-            merchant.AuditStatus = AuditStatus.PendingAudit; // 重新提交后变为待审核
-            merchant.UpdatedUserId = userId;
-            merchant.UpdatedTime = DateTime.Now;
-            
-            await _repository.UpdateAsync(merchant);
-        }
-        
-        // 清除验证码
-        _memoryCache.Remove($"verification_code_{input.ContactPhone}");
-    }
-
-    /// <summary>
-    /// 获取我的认证信息
-    /// </summary>
-    [DisplayName("获取我的认证信息")]
-    [HttpGet("myCertification")]
-    public async Task<YD_Event.Core.Entities.Merchant> GetMyCertification()
-    {
-        var userId = _authManager.UserId;
-        var merchant = await _repository.GetFirstAsync(m => m.CreatedUserId == userId);
-        return merchant;
     }
 
     /// <summary>
@@ -263,25 +166,6 @@ public class MerchantService : BaseService<YD_Event.Core.Entities.Merchant>, ITr
         };
     }
 
-    /// <summary>
-    /// 审核商户
-    /// </summary>
-    [DisplayName("审核商户")]
-    [HttpPost("audit")]
-    [UnitOfWork]
-    public async Task Audit([FromBody] MerchantAuditInput input)
-    {
-        if (input.Ids == null || !input.Ids.Any()) return;
-
-        await _repository.UpdateAsync(u => new YD_Event.Core.Entities.Merchant 
-        { 
-            AuditStatus = input.Status, 
-            AuditRemark = input.Remark,
-            UpdatedTime = DateTime.Now,
-            UpdatedUserId = _authManager.UserId
-        }, u => input.Ids.Contains(u.Id));
-    }
-
     /// <summary>
     /// 发放优惠券
     /// </summary>
diff --git a/YD_Event.Application/YD_Event.Application.xml b/YD_Event.Application/YD_Event.Application.xml
index 9d32ddf..227ddbf 100644
--- a/YD_Event.Application/YD_Event.Application.xml
+++ b/YD_Event.Application/YD_Event.Application.xml
@@ -6063,6 +6063,151 @@
             微信支付配置
             </summary>
         </member>
+        <member name="T:YD_Event.Application.Merchant.Dtos.MerchantCertificationOutput">
+            <summary>
+            单位认证输出
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.MerchantCertificationOutput.Id">
+            <summary>
+            主键ID
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.MerchantCertificationOutput.UserId">
+            <summary>
+            用户ID
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.MerchantCertificationOutput.MerchantName">
+            <summary>
+            单位名称
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.MerchantCertificationOutput.CreditCode">
+            <summary>
+            统一社会信用代码
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.MerchantCertificationOutput.BusinessLicenseUrl">
+            <summary>
+            营业执照图片URL
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.MerchantCertificationOutput.ContactPhone">
+            <summary>
+            联系电话
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.MerchantCertificationOutput.Address">
+            <summary>
+            地址
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.MerchantCertificationOutput.AuditStatus">
+            <summary>
+            审核状态
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.MerchantCertificationOutput.AuditRemark">
+            <summary>
+            审核备注
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.MerchantCertificationOutput.CreatedTime">
+            <summary>
+            创建时间
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.MerchantCertificationOutput.UpdatedTime">
+            <summary>
+            更新时间
+            </summary>
+        </member>
+        <member name="T:YD_Event.Application.Merchant.Dtos.SubmitCertificationInput">
+            <summary>
+            提交单位认证输入
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.SubmitCertificationInput.MerchantName">
+            <summary>
+            单位名称
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.SubmitCertificationInput.CreditCode">
+            <summary>
+            统一社会信用代码
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.SubmitCertificationInput.BusinessLicenseUrl">
+            <summary>
+            营业执照图片URL
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.SubmitCertificationInput.Address">
+            <summary>
+            地址
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.SubmitCertificationInput.ContactPhone">
+            <summary>
+            联系方式
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.SubmitCertificationInput.VerificationCode">
+            <summary>
+            验证码
+            </summary>
+        </member>
+        <member name="T:YD_Event.Application.Merchant.Dtos.AuditCertificationInput">
+            <summary>
+            审核单位认证输入
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.AuditCertificationInput.Ids">
+            <summary>
+            认证ID列表
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.AuditCertificationInput.Status">
+            <summary>
+            审核状态
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.AuditCertificationInput.Remark">
+            <summary>
+            审核备注
+            </summary>
+        </member>
+        <member name="T:YD_Event.Application.Merchant.Dtos.MerchantCertificationQueryInput">
+            <summary>
+            单位认证查询输入
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.MerchantCertificationQueryInput.MerchantName">
+            <summary>
+            单位名称
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.MerchantCertificationQueryInput.ContactPhone">
+            <summary>
+            联系电话
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.MerchantCertificationQueryInput.AuditStatus">
+            <summary>
+            审核状态
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.MerchantCertificationQueryInput.StartTime">
+            <summary>
+            开始时间
+            </summary>
+        </member>
+        <member name="P:YD_Event.Application.Merchant.Dtos.MerchantCertificationQueryInput.EndTime">
+            <summary>
+            结束时间
+            </summary>
+        </member>
         <member name="T:YD_Event.Application.Merchant.Dtos.MerchantOutput">
             <summary>
             商户输出DTO
@@ -6238,41 +6383,6 @@
             备注
             </summary>
         </member>
-        <member name="T:YD_Event.Application.Merchant.Dtos.SubmitCertificationInput">
-            <summary>
-            提交认证输入
-            </summary>
-        </member>
-        <member name="P:YD_Event.Application.Merchant.Dtos.SubmitCertificationInput.MerchantName">
-            <summary>
-            单位名称
-            </summary>
-        </member>
-        <member name="P:YD_Event.Application.Merchant.Dtos.SubmitCertificationInput.CreditCode">
-            <summary>
-            统一社会信用代码
-            </summary>
-        </member>
-        <member name="P:YD_Event.Application.Merchant.Dtos.SubmitCertificationInput.BusinessLicenseUrl">
-            <summary>
-            营业执照图片URL
-            </summary>
-        </member>
-        <member name="P:YD_Event.Application.Merchant.Dtos.SubmitCertificationInput.Address">
-            <summary>
-            地址
-            </summary>
-        </member>
-        <member name="P:YD_Event.Application.Merchant.Dtos.SubmitCertificationInput.ContactPhone">
-            <summary>
-            联系方式
-            </summary>
-        </member>
-        <member name="P:YD_Event.Application.Merchant.Dtos.SubmitCertificationInput.VerificationCode">
-            <summary>
-            验证码
-            </summary>
-        </member>
         <member name="T:YD_Event.Application.Merchant.Dtos.UpdateMerchantInput">
             <summary>
             更新商户输入
@@ -6353,26 +6463,46 @@
             可用状态
             </summary>
         </member>
-        <member name="T:YD_Event.Application.Merchant.MerchantService">
+        <member name="T:YD_Event.Application.Merchant.MerchantCertificationService">
             <summary>
-            商户管理
+            单位认证管理
             </summary>
         </member>
-        <member name="M:YD_Event.Application.Merchant.MerchantService.SendVerificationCode(System.String)">
+        <member name="M:YD_Event.Application.Merchant.MerchantCertificationService.SendVerificationCode(System.String)">
             <summary>
             发送验证码
             </summary>
         </member>
-        <member name="M:YD_Event.Application.Merchant.MerchantService.SubmitCertification(YD_Event.Application.Merchant.Dtos.SubmitCertificationInput)">
+        <member name="M:YD_Event.Application.Merchant.MerchantCertificationService.SubmitCertification(YD_Event.Application.Merchant.Dtos.SubmitCertificationInput)">
             <summary>
             提交单位认证
             </summary>
         </member>
-        <member name="M:YD_Event.Application.Merchant.MerchantService.GetMyCertification">
+        <member name="M:YD_Event.Application.Merchant.MerchantCertificationService.GetMyCertification">
             <summary>
             获取我的认证信息
             </summary>
         </member>
+        <member name="M:YD_Event.Application.Merchant.MerchantCertificationService.Page(YD_Event.Application.Merchant.Dtos.MerchantCertificationQueryInput)">
+            <summary>
+            单位认证分页查询
+            </summary>
+        </member>
+        <member name="M:YD_Event.Application.Merchant.MerchantCertificationService.Detail(System.Int64)">
+            <summary>
+            获取单位认证详情
+            </summary>
+        </member>
+        <member name="M:YD_Event.Application.Merchant.MerchantCertificationService.Audit(YD_Event.Application.Merchant.Dtos.AuditCertificationInput)">
+            <summary>
+            审核单位认证
+            </summary>
+        </member>
+        <member name="T:YD_Event.Application.Merchant.MerchantService">
+            <summary>
+            商户管理
+            </summary>
+        </member>
         <member name="M:YD_Event.Application.Merchant.MerchantService.Page(YD_Event.Application.Merchant.Dtos.MerchantQueryInput)">
             <summary>
             商户分页查询
@@ -6398,11 +6528,6 @@
             获取商户详情
             </summary>
         </member>
-        <member name="M:YD_Event.Application.Merchant.MerchantService.Audit(YD_Event.Application.Merchant.Dtos.MerchantAuditInput)">
-            <summary>
-            审核商户
-            </summary>
-        </member>
         <member name="M:YD_Event.Application.Merchant.MerchantService.IssueCoupon(YD_Event.Application.Merchant.Dtos.IssueCouponInput)">
             <summary>
             发放优惠券
diff --git a/YD_Event.Core/Entities/MerchantCertification.cs b/YD_Event.Core/Entities/MerchantCertification.cs
new file mode 100644
index 0000000..af8d7e0
--- /dev/null
+++ b/YD_Event.Core/Entities/MerchantCertification.cs
@@ -0,0 +1,86 @@
+using YD_Event.Core.Enum;
+
+namespace YD_Event.Core.Entities;
+
+/// <summary>
+/// 单位认证表
+/// </summary>
+[SugarTable("MerchantCertification")]
+public class MerchantCertification : Entity<long>, ISoftDelete, ICreatedUserId, ICreatedTime, IUpdatedUserId, IUpdatedTime, IAvailability
+{
+    /// <summary>
+    /// 用户ID
+    /// </summary>
+    public long UserId { get; set; }
+
+    /// <summary>
+    /// 单位名称
+    /// </summary>
+    [SugarColumn(Length = 128)]
+    public string MerchantName { get; set; }
+
+    /// <summary>
+    /// 统一社会信用代码
+    /// </summary>
+    [SugarColumn(Length = 50)]
+    public string CreditCode { get; set; }
+
+    /// <summary>
+    /// 营业执照图片URL
+    /// </summary>
+    [SugarColumn(Length = 256)]
+    public string BusinessLicenseUrl { get; set; }
+
+    /// <summary>
+    /// 联系电话
+    /// </summary>
+    [SugarColumn(Length = 16)]
+    public string ContactPhone { get; set; }
+
+    /// <summary>
+    /// 地址
+    /// </summary>
+    [SugarColumn(Length = 256)]
+    public string Address { get; set; }
+
+    /// <summary>
+    /// 审核状态
+    /// </summary>
+    public AuditStatus AuditStatus { get; set; }
+
+    /// <summary>
+    /// 审核备注
+    /// </summary>
+    [SugarColumn(Length = 512)]
+    public string? AuditRemark { get; set; }
+
+    /// <summary>
+    /// 可用状态
+    /// </summary>
+    public AvailabilityStatus Status { get; set; }
+
+    /// <summary>
+    /// 标记删除
+    /// </summary>
+    public bool DeleteMark { get; set; }
+
+    /// <summary>
+    /// 创建人
+    /// </summary>
+    public long CreatedUserId { get; set; }
+
+    /// <summary>
+    /// 创建时间
+    /// </summary>
+    public DateTime CreatedTime { get; set; }
+
+    /// <summary>
+    /// 更新人
+    /// </summary>
+    public long? UpdatedUserId { get; set; }
+
+    /// <summary>
+    /// 更新时间
+    /// </summary>
+    public DateTime? UpdatedTime { get; set; }
+}
diff --git a/YD_Event.Core/YD_Event.Core.xml b/YD_Event.Core/YD_Event.Core.xml
index a595fa5..712da65 100644
--- a/YD_Event.Core/YD_Event.Core.xml
+++ b/YD_Event.Core/YD_Event.Core.xml
@@ -2455,6 +2455,81 @@
             更新时间
             </summary>
         </member>
+        <member name="T:YD_Event.Core.Entities.MerchantCertification">
+            <summary>
+            单位认证表
+            </summary>
+        </member>
+        <member name="P:YD_Event.Core.Entities.MerchantCertification.UserId">
+            <summary>
+            用户ID
+            </summary>
+        </member>
+        <member name="P:YD_Event.Core.Entities.MerchantCertification.MerchantName">
+            <summary>
+            单位名称
+            </summary>
+        </member>
+        <member name="P:YD_Event.Core.Entities.MerchantCertification.CreditCode">
+            <summary>
+            统一社会信用代码
+            </summary>
+        </member>
+        <member name="P:YD_Event.Core.Entities.MerchantCertification.BusinessLicenseUrl">
+            <summary>
+            营业执照图片URL
+            </summary>
+        </member>
+        <member name="P:YD_Event.Core.Entities.MerchantCertification.ContactPhone">
+            <summary>
+            联系电话
+            </summary>
+        </member>
+        <member name="P:YD_Event.Core.Entities.MerchantCertification.Address">
+            <summary>
+            地址
+            </summary>
+        </member>
+        <member name="P:YD_Event.Core.Entities.MerchantCertification.AuditStatus">
+            <summary>
+            审核状态
+            </summary>
+        </member>
+        <member name="P:YD_Event.Core.Entities.MerchantCertification.AuditRemark">
+            <summary>
+            审核备注
+            </summary>
+        </member>
+        <member name="P:YD_Event.Core.Entities.MerchantCertification.Status">
+            <summary>
+            可用状态
+            </summary>
+        </member>
+        <member name="P:YD_Event.Core.Entities.MerchantCertification.DeleteMark">
+            <summary>
+            标记删除
+            </summary>
+        </member>
+        <member name="P:YD_Event.Core.Entities.MerchantCertification.CreatedUserId">
+            <summary>
+            创建人
+            </summary>
+        </member>
+        <member name="P:YD_Event.Core.Entities.MerchantCertification.CreatedTime">
+            <summary>
+            创建时间
+            </summary>
+        </member>
+        <member name="P:YD_Event.Core.Entities.MerchantCertification.UpdatedUserId">
+            <summary>
+            更新人
+            </summary>
+        </member>
+        <member name="P:YD_Event.Core.Entities.MerchantCertification.UpdatedTime">
+            <summary>
+            更新时间
+            </summary>
+        </member>
         <member name="T:YD_Event.Core.Entities.Order">
             <summary>
             订单表