diff --git a/YD_Event.Application/Auth/AuthService.cs b/YD_Event.Application/Auth/AuthService.cs
index 9cb6dfb..281a47d 100644
--- a/YD_Event.Application/Auth/AuthService.cs
+++ b/YD_Event.Application/Auth/AuthService.cs
@@ -72,7 +72,7 @@ public class AuthService : IDynamicApiController
             [AuthClaimsConst.AccountKey] = user.Account,
             [AuthClaimsConst.UuidKey] = uniqueId,
             [AuthClaimsConst.AuthPlatformTypeKey] = AuthPlatformType.Manager
-        },100000);
+        });
         // 获取刷新 token
         var refreshToken = JWTEncryption.GenerateRefreshToken(token);
         // 设置响应报文头
diff --git a/YD_Event.Application/Client/Dtos/MyDtos.cs b/YD_Event.Application/Client/Dtos/MyDtos.cs
index bbf6ef6..0601940 100644
--- a/YD_Event.Application/Client/Dtos/MyDtos.cs
+++ b/YD_Event.Application/Client/Dtos/MyDtos.cs
@@ -50,6 +50,16 @@ public class MyProfileDto
     /// 所在单位
     /// </summary>
     public string? MerchantName { get; set; }
+
+    /// <summary>
+    /// 性别：0-未知，1-男，2-女
+    /// </summary>
+    public int? Gender { get; set; }
+
+    /// <summary>
+    /// 出生日期
+    /// </summary>
+    public DateTime? BirthDate { get; set; }
 }
 
 /// <summary>
diff --git a/YD_Event.Application/Client/MyController.cs b/YD_Event.Application/Client/MyController.cs
index 0a9a4a1..e88fa8f 100644
--- a/YD_Event.Application/Client/MyController.cs
+++ b/YD_Event.Application/Client/MyController.cs
@@ -123,7 +123,9 @@ public class MyController : IDynamicApiController
             Points = pointsBalance,
             CertificateCount = certCount,
             AuthStatus = authStatus,
-            MerchantName = merchantName
+            MerchantName = merchantName,
+            Gender = (int?)user.Gender,
+            BirthDate = user.BirthDate
         };
     }
 
@@ -344,24 +346,45 @@ public class MyController : IDynamicApiController
     {
         var userId = GetCurrentUserId();
         
-        // 联表查询 EventInfo 和 Project 获取赛事名称和项目名称
+        // 先查询原始数据，然后在内存中转换证书名称
         var query = _certificateRepository.AsQueryable()
             .LeftJoin<EventInfo>((c, e) => c.EventId == e.Id)
             .LeftJoin<ProjectEntity>((c, e, p) => c.ProjectId == p.Id)
             .Where((c, e, p) => c.CreatedUserId == userId && c.CertificateStatus == 2 && !c.DeleteMark)
-            .Select((c, e, p) => new MyCertificateDto
+            .Select((c, e, p) => new 
             {
                 Id = c.Id,
                 EventName = e.EventName,
                 ProjectName = p.Name,
                 GroupName = c.GroupName,
-                CertificateName = GetCertificateName(c.CertificateType),
+                CertificateType = c.CertificateType,
                 CertificateUrl = c.CertificateUrl,
                 IssuedTime = c.IssuedTime
             })
             .OrderByDescending(c => c.IssuedTime);
 
-        return await query.ToPagedListAsync(input);
+        var pagedResult = await query.ToPagedListAsync(input);
+        
+        // 在内存中转换证书名称
+        var result = new PageResult<MyCertificateDto>
+        {
+            PageNo = pagedResult.PageNo,
+            PageSize = pagedResult.PageSize,
+            Total = pagedResult.Total,
+            Pages = pagedResult.Pages,
+            Rows = pagedResult.Rows.Select(x => new MyCertificateDto
+            {
+                Id = x.Id,
+                EventName = x.EventName,
+                ProjectName = x.ProjectName,
+                GroupName = x.GroupName,
+                CertificateName = GetCertificateName(x.CertificateType),
+                CertificateUrl = x.CertificateUrl,
+                IssuedTime = x.IssuedTime
+            }).ToList()
+        };
+
+        return result;
     }
 
     private string GetCertificateName(int certificateType)
diff --git a/YD_Event.Application/Client/OAuthController.cs b/YD_Event.Application/Client/OAuthController.cs
index b96b73e..3af35a4 100644
--- a/YD_Event.Application/Client/OAuthController.cs
+++ b/YD_Event.Application/Client/OAuthController.cs
@@ -198,7 +198,7 @@ public class OAuthController : IDynamicApiController
             [AuthClaimsConst.AccountKey] = appUser.Mobile,
             [AuthClaimsConst.UuidKey] = uniqueId,
             [AuthClaimsConst.AuthPlatformTypeKey] = AuthPlatformType.WeChatApplet
-        },100000);
+        });
 
         string refreshToken = JWTEncryption.GenerateRefreshToken(accessToken);
 
diff --git a/YD_Event.Application/Coupon/CouponService.cs b/YD_Event.Application/Coupon/CouponService.cs
index d6526a3..09d2bb1 100644
--- a/YD_Event.Application/Coupon/CouponService.cs
+++ b/YD_Event.Application/Coupon/CouponService.cs
@@ -124,8 +124,15 @@ public class CouponService : BaseService<YD_Event.Core.Entities.Coupon>, ITransi
         var entity = await _repository.GetByIdAsync(input.Id);
         if (entity == null) throw Oops.Bah("优惠券不存在");
 
+        // 保存当前的兑换码，防止被意外清空
+        var currentRedemptionCode = entity.RedemptionCode;
+        
+        // 使用Mapster进行属性映射，但保留兑换码
         input.Adapt(entity);
         
+        // 恢复兑换码
+        entity.RedemptionCode = currentRedemptionCode;
+        
         // 处理赛事ID集合
         if (input.EventIds != null && input.EventIds.Any())
         {
@@ -153,19 +160,53 @@ public class CouponService : BaseService<YD_Event.Core.Entities.Coupon>, ITransi
     /// 生成兑换码
     /// </summary>
     [DisplayName("生成兑换码")]
+    [UnitOfWork]
     public async Task<string> GenerateCode(long id)
     {
-        var entity = await _repository.GetByIdAsync(id);
+        // 使用事务和乐观锁来确保并发安全
+        var entity = await _repository.AsQueryable()
+            .Where(x => x.Id == id)
+            .FirstAsync();
+        
         if (entity == null) throw Oops.Bah("优惠券不存在");
 
-        // 如果已经有码，直接返回；如果没有，生成新的
-        if (string.IsNullOrWhiteSpace(entity.RedemptionCode))
+        // 如果已经有码，直接返回
+        if (!string.IsNullOrWhiteSpace(entity.RedemptionCode))
         {
-            // 简单生成一个随机码，实际业务可能需要更复杂的规则
-            entity.RedemptionCode = Guid.NewGuid().ToString("N").Substring(0, 8).ToUpper();
-            await _repository.UpdateAsync(entity);
+            return entity.RedemptionCode;
         }
 
+        // 生成新的兑换码，并确保唯一性
+        string newCode;
+        int retryCount = 0;
+        const int maxRetry = 5;
+        
+        do
+        {
+            // 生成8位大写字母数字组合的兑换码
+            newCode = Guid.NewGuid().ToString("N").Substring(0, 8).ToUpper();
+            retryCount++;
+            
+            // 检查是否已存在
+            var exists = await _repository.AsQueryable()
+                .Where(x => x.RedemptionCode == newCode)
+                .AnyAsync();
+                
+            if (!exists)
+            {
+                break;
+            }
+        } while (retryCount < maxRetry);
+        
+        if (retryCount >= maxRetry)
+        {
+            throw Oops.Bah("生成兑换码失败，请重试");
+        }
+
+        // 更新兑换码
+        entity.RedemptionCode = newCode;
+        await _repository.UpdateAsync(entity);
+
         return entity.RedemptionCode;
     }
 
diff --git a/YD_Event.Application/User/Dtos/AddSysUserInput.cs b/YD_Event.Application/User/Dtos/AddSysUserInput.cs
index 22364b8..71db879 100644
--- a/YD_Event.Application/User/Dtos/AddSysUserInput.cs
+++ b/YD_Event.Application/User/Dtos/AddSysUserInput.cs
@@ -1,4 +1,4 @@
-namespace YD_Event.Application.User.Dtos;
+namespace YD_Event.Application.User.Dtos;
 
 /// <summary>
 /// 添加系统用户输入
@@ -19,6 +19,14 @@ public class AddSysUserInput
     [MaxLength(32, ErrorMessage = "账号限制32个字符内")]
     public string Account { get; set; }
 
+    /// <summary>
+    /// 密码
+    /// </summary>
+    [Required(ErrorMessage = "密码为必填项")]
+    [MinLength(6, ErrorMessage = "密码长度至少6位")]
+    [MaxLength(32, ErrorMessage = "密码长度最多32位")]
+    public string Password { get; set; }
+
     /// <summary>
     /// 关联角色ID集合
     /// </summary>
diff --git a/YD_Event.Application/User/SysUserService.cs b/YD_Event.Application/User/SysUserService.cs
index 7e36154..0d3f677 100644
--- a/YD_Event.Application/User/SysUserService.cs
+++ b/YD_Event.Application/User/SysUserService.cs
@@ -110,7 +110,7 @@ public class SysUserService : BaseService<SysUser>, ITransient
         var user = dto.Adapt<SysUser>();
         user.Id = _idGenerator.NextId();
         string encode = _idGenerator.Encode(user.Id);
-        user.Password = MD5Encryption.Encrypt(encode + "123456"); // 默认密码
+        user.Password = MD5Encryption.Encrypt(encode + dto.Password);
         user.CreatedTime = DateTime.Now; // 确保设置创建时间
         
         // 处理角色关联