diff --git a/src/Oms.Application/Dtos/Customers/CustomerPaginatedOutput.cs b/src/Oms.Application/Dtos/Customers/CustomerPaginatedOutput.cs
index 290f1d3..6ddc01a 100644
--- a/src/Oms.Application/Dtos/Customers/CustomerPaginatedOutput.cs
+++ b/src/Oms.Application/Dtos/Customers/CustomerPaginatedOutput.cs
@@ -102,8 +102,18 @@ public class CustomerPaginatedOutput
     /// </summary>
     public DateTime CreateTime { get; set; }
 
+    /// <summary>
+    /// 创建人（展示名称）。
+    /// </summary>
+    public string? CreateBy { get; set; }
+
     /// <summary>
     /// 更新时间。
     /// </summary>
     public DateTime? UpdateTime { get; set; }
+
+    /// <summary>
+    /// 更新人（展示名称）。
+    /// </summary>
+    public string? UpdateBy { get; set; }
 }
diff --git a/src/Oms.Application/Services/Channels/SalesProductService.Helpers.cs b/src/Oms.Application/Services/Channels/SalesProductService.Helpers.cs
index 18fcd22..272c38f 100644
--- a/src/Oms.Application/Services/Channels/SalesProductService.Helpers.cs
+++ b/src/Oms.Application/Services/Channels/SalesProductService.Helpers.cs
@@ -74,6 +74,9 @@ public partial class SalesProductService
             .GroupBy(x => x.PriceId)
             .ToDictionary(x => x.Key, x => x.OrderBy(item => item.Id).ToList());
 
+        var auditUserNameMap = await UserDisplayNameResolver.ResolveManyAsync(
+            prices.SelectMany(x => new[] { x.CreateUserId, x.UpdateUserId }));
+
         return prices.Select(price => new SalesProductPriceListOutput
         {
             Id = price.Id,
@@ -88,9 +91,9 @@ public partial class SalesProductService
             Factors = factorMap.TryGetValue(price.Id, out var factors) ? factors.Select(MapPriceFactorOutput).ToList() : [],
             Details = detailMap.TryGetValue(price.Id, out var details) ? details.Select(MapPriceDetailOutput).ToList() : [],
             CreateTime = price.CreateTime,
-            CreateBy = price.CreateUserId <= 0 ? null : price.CreateUserId.ToString(),
+            CreateBy = OmsRbacUserDisplayNameResolver.FormatUserId(price.CreateUserId, auditUserNameMap),
             UpdateTime = OmsDocHelper.NullIfDefault(price.UpdateTime),
-            UpdateBy = price.UpdateUserId <= 0 ? null : price.UpdateUserId.ToString()
+            UpdateBy = OmsRbacUserDisplayNameResolver.FormatUserId(price.UpdateUserId, auditUserNameMap)
         }).ToList();
     }
 
@@ -342,7 +345,9 @@ public partial class SalesProductService
         };
     }
 
-    private static SalesProductDetailOutput MapDetailOutput(SalesProduct entity)
+    private static SalesProductDetailOutput MapDetailOutput(
+        SalesProduct entity,
+        IReadOnlyDictionary<int, string> auditUserNameMap)
     {
         return new SalesProductDetailOutput
         {
@@ -363,9 +368,9 @@ public partial class SalesProductService
             IsActive = (byte)entity.IsActive,
             Scheme = entity.Scheme,
             CreateTime = entity.CreateTime,
-            CreateBy = entity.CreateUserId <= 0 ? null : entity.CreateUserId.ToString(),
+            CreateBy = OmsRbacUserDisplayNameResolver.FormatUserId(entity.CreateUserId, auditUserNameMap),
             UpdateTime = OmsDocHelper.NullIfDefault(entity.UpdateTime),
-            UpdateBy = entity.UpdateUserId <= 0 ? null : entity.UpdateUserId.ToString()
+            UpdateBy = OmsRbacUserDisplayNameResolver.FormatUserId(entity.UpdateUserId, auditUserNameMap)
         };
     }
 
diff --git a/src/Oms.Application/Services/Channels/SalesProductService.cs b/src/Oms.Application/Services/Channels/SalesProductService.cs
index b6a023b..eb75bac 100644
--- a/src/Oms.Application/Services/Channels/SalesProductService.cs
+++ b/src/Oms.Application/Services/Channels/SalesProductService.cs
@@ -25,6 +25,8 @@ public partial class SalesProductService : ApplicationService
     private IWeightRoundingRepository WeightRoundingRepository => LazyServiceProvider.GetRequiredService<IWeightRoundingRepository>();
     private AllocationProviderSnapshotEnricher AllocationProviderSnapshotEnricher =>
         LazyServiceProvider.GetRequiredService<AllocationProviderSnapshotEnricher>();
+    private OmsRbacUserDisplayNameResolver UserDisplayNameResolver =>
+        LazyServiceProvider.GetRequiredService<OmsRbacUserDisplayNameResolver>();
 
     /// <summary>
     /// 查询销售产品列表。
@@ -71,7 +73,9 @@ public partial class SalesProductService : ApplicationService
     public async Task<SalesProductDetailOutput> GetDetailAsync([FromQuery] int id)
     {
         var entity = await GetProductOrThrowAsync(id);
-        return MapDetailOutput(entity);
+        var auditUserNameMap = await UserDisplayNameResolver.ResolveManyAsync(
+            [entity.CreateUserId, entity.UpdateUserId]);
+        return MapDetailOutput(entity, auditUserNameMap);
     }
 
     /// <summary>
diff --git a/src/Oms.Application/Services/Channels/ServiceChannelService.Helpers.cs b/src/Oms.Application/Services/Channels/ServiceChannelService.Helpers.cs
index a6c1fab..d8d6500 100644
--- a/src/Oms.Application/Services/Channels/ServiceChannelService.Helpers.cs
+++ b/src/Oms.Application/Services/Channels/ServiceChannelService.Helpers.cs
@@ -329,7 +329,10 @@ public partial class ServiceChannelService
         };
     }
 
-    private static ServiceChannelDetailOutput MapDetailOutput(ServiceChannel entity, IReadOnlyDictionary<int, string> groupMap)
+    private static ServiceChannelDetailOutput MapDetailOutput(
+        ServiceChannel entity,
+        IReadOnlyDictionary<int, string> groupMap,
+        IReadOnlyDictionary<int, string> auditUserNameMap)
     {
         return new ServiceChannelDetailOutput
         {
@@ -346,9 +349,9 @@ public partial class ServiceChannelService
             PreScript = entity.PreScript,
             IsActive = (byte)entity.IsActive,
             CreateTime = entity.CreateTime,
-            CreateBy = entity.CreateUserId <= 0 ? null : entity.CreateUserId.ToString(),
+            CreateBy = OmsRbacUserDisplayNameResolver.FormatUserId(entity.CreateUserId, auditUserNameMap),
             UpdateTime = OmsDocHelper.NullIfDefault(entity.UpdateTime),
-            UpdateBy = entity.UpdateUserId <= 0 ? null : entity.UpdateUserId.ToString()
+            UpdateBy = OmsRbacUserDisplayNameResolver.FormatUserId(entity.UpdateUserId, auditUserNameMap)
         };
     }
 
diff --git a/src/Oms.Application/Services/Channels/ServiceChannelService.cs b/src/Oms.Application/Services/Channels/ServiceChannelService.cs
index 5738ef1..6fe41cd 100644
--- a/src/Oms.Application/Services/Channels/ServiceChannelService.cs
+++ b/src/Oms.Application/Services/Channels/ServiceChannelService.cs
@@ -20,6 +20,8 @@ public partial class ServiceChannelService : ApplicationService
 
     private IServiceChannelRepository ServiceChannelRepository => LazyServiceProvider.GetRequiredService<IServiceChannelRepository>();
     private IServiceChannelGroupRepository ServiceChannelGroupRepository => LazyServiceProvider.GetRequiredService<IServiceChannelGroupRepository>();
+    private OmsRbacUserDisplayNameResolver UserDisplayNameResolver =>
+        LazyServiceProvider.GetRequiredService<OmsRbacUserDisplayNameResolver>();
 
     /// <summary>
     /// 查询服务渠道列表。
@@ -67,7 +69,9 @@ public partial class ServiceChannelService : ApplicationService
     public async Task<ServiceChannelDetailOutput> GetDetailAsync([FromQuery] int id)
     {
         var entity = await GetEntityOrThrowAsync(id);
-        return MapDetailOutput(entity, await GetGroupMapAsync());
+        var auditUserNameMap = await UserDisplayNameResolver.ResolveManyAsync(
+            [entity.CreateUserId, entity.UpdateUserId]);
+        return MapDetailOutput(entity, await GetGroupMapAsync(), auditUserNameMap);
     }
 
     /// <summary>
diff --git a/src/Oms.Application/Services/Customers/CustomerService.cs b/src/Oms.Application/Services/Customers/CustomerService.cs
index ad04976..960df8d 100644
--- a/src/Oms.Application/Services/Customers/CustomerService.cs
+++ b/src/Oms.Application/Services/Customers/CustomerService.cs
@@ -32,6 +32,9 @@ public class CustomerService : ApplicationService
 
     private FakeRbacDbContext RbacDbContext => LazyServiceProvider.GetRequiredService<FakeRbacDbContext>();
 
+    private OmsRbacUserDisplayNameResolver UserDisplayNameResolver =>
+        LazyServiceProvider.GetRequiredService<OmsRbacUserDisplayNameResolver>();
+
     /// <summary>
     /// 查询客户列表。
     /// </summary>
@@ -57,7 +60,16 @@ public class CustomerService : ApplicationService
             new Dictionary<string, bool> { [nameof(Customer.UpdateTime)] = false, [nameof(Customer.Id)] = false });
 
         var totalCount = await CustomerRepository.CountAsync(predicate);
-        var items = entities.Select(entity => ObjectMapper.Map<Customer, CustomerPaginatedOutput>(entity)).ToList();
+        var auditUserNameMap = await UserDisplayNameResolver.ResolveManyAsync(
+            entities.SelectMany(x => new[] { x.CreateUserId, x.UpdateUserId }));
+        var items = entities.Select(entity =>
+        {
+            var output = ObjectMapper.Map<Customer, CustomerPaginatedOutput>(entity);
+            output.CreateBy = OmsRbacUserDisplayNameResolver.FormatUserId(entity.CreateUserId, auditUserNameMap);
+            output.UpdateBy = OmsRbacUserDisplayNameResolver.FormatUserId(entity.UpdateUserId, auditUserNameMap);
+            output.UpdateTime = OmsDocHelper.NullIfDefault(entity.UpdateTime);
+            return output;
+        }).ToList();
 
         return new OmsPageResult<CustomerPaginatedOutput>
         {
@@ -82,8 +94,10 @@ public class CustomerService : ApplicationService
     {
         var entity = await GetCustomerOrThrowAsync(id);
         var output = ObjectMapper.Map<Customer, CustomerOutput>(entity);
-        output.CreateBy = entity.CreateUserId <= 0 ? null : entity.CreateUserId.ToString();
-        output.UpdateBy = entity.UpdateUserId <= 0 ? null : entity.UpdateUserId.ToString();
+        var auditUserNameMap = await UserDisplayNameResolver.ResolveManyAsync(
+            [entity.CreateUserId, entity.UpdateUserId]);
+        output.CreateBy = OmsRbacUserDisplayNameResolver.FormatUserId(entity.CreateUserId, auditUserNameMap);
+        output.UpdateBy = OmsRbacUserDisplayNameResolver.FormatUserId(entity.UpdateUserId, auditUserNameMap);
         output.UpdateTime = OmsDocHelper.NullIfDefault(entity.UpdateTime);
         return output;
     }
diff --git a/src/Oms.Application/Services/Orders/OrderService.Helpers.cs b/src/Oms.Application/Services/Orders/OrderService.Helpers.cs
index 137f2e9..2bad69e 100644
--- a/src/Oms.Application/Services/Orders/OrderService.Helpers.cs
+++ b/src/Oms.Application/Services/Orders/OrderService.Helpers.cs
@@ -69,6 +69,9 @@ public partial class OrderService
             : await CountryRepository.GetListAsync(x => countryCodes.Contains(x.CountryCode));
         var countryMap = countries.ToDictionary(x => x.CountryCode, StringComparer.OrdinalIgnoreCase);
 
+        var auditUserNameMap = await UserDisplayNameResolver.ResolveManyAsync(
+            orders.SelectMany(x => new[] { x.CreateUserId, x.UpdateUserId }));
+
         return orders.Select(order =>
         {
             senderMap.TryGetValue(order.Id, out var sender);
@@ -127,9 +130,9 @@ public partial class OrderService
                 IsIntercept = order.IsIntercept > 0,
                 IsRemote = order.IsRemote > 0,
                 CreateTime = order.CreateTime,
-                CreateBy = order.CreateUserId <= 0 ? null : order.CreateUserId.ToString(),
+                CreateBy = OmsRbacUserDisplayNameResolver.FormatUserId(order.CreateUserId, auditUserNameMap),
                 UpdateTime = OmsDocHelper.NullIfDefault(order.UpdateTime),
-                UpdateBy = order.UpdateUserId <= 0 ? null : order.UpdateUserId.ToString(),
+                UpdateBy = OmsRbacUserDisplayNameResolver.FormatUserId(order.UpdateUserId, auditUserNameMap),
                 Sender = MapSender(sender),
                 Receiver = MapReceiver(recipient),
                 Items = (items ?? []).Select(MapDeclaration).ToList(),
diff --git a/src/Oms.Application/Services/Orders/OrderService.cs b/src/Oms.Application/Services/Orders/OrderService.cs
index ba469fa..9f8d548 100644
--- a/src/Oms.Application/Services/Orders/OrderService.cs
+++ b/src/Oms.Application/Services/Orders/OrderService.cs
@@ -28,6 +28,8 @@ public partial class OrderService : ApplicationService
     private IWarehouseAddressRepository WarehouseAddressRepository => LazyServiceProvider.GetRequiredService<IWarehouseAddressRepository>();
     private ISalesProductRepository SalesProductRepository => LazyServiceProvider.GetRequiredService<ISalesProductRepository>();
     private IWebHostEnvironment WebHostEnvironment => LazyServiceProvider.GetRequiredService<IWebHostEnvironment>();
+    private OmsRbacUserDisplayNameResolver UserDisplayNameResolver =>
+        LazyServiceProvider.GetRequiredService<OmsRbacUserDisplayNameResolver>();
 
     /// <summary>
     /// 查询订单列表。
diff --git a/src/Oms.Application/Services/System/WarehouseService.cs b/src/Oms.Application/Services/System/WarehouseService.cs
index eac127a..969501b 100644
--- a/src/Oms.Application/Services/System/WarehouseService.cs
+++ b/src/Oms.Application/Services/System/WarehouseService.cs
@@ -18,6 +18,9 @@ public class WarehouseService : ApplicationService
 {
     private IWarehouseAddressRepository WarehouseAddressRepository => LazyServiceProvider.GetRequiredService<IWarehouseAddressRepository>();
 
+    private OmsRbacUserDisplayNameResolver UserDisplayNameResolver =>
+        LazyServiceProvider.GetRequiredService<OmsRbacUserDisplayNameResolver>();
+
     /// <summary>
     /// 查询仓库列表。
     /// </summary>
@@ -74,8 +77,10 @@ public class WarehouseService : ApplicationService
     {
         var entity = await GetWarehouseOrThrowAsync(id);
         var output = ObjectMapper.Map<WarehouseAddress, WarehouseOutput>(entity);
-        output.CreateBy = entity.CreateUserId <= 0 ? null : entity.CreateUserId.ToString();
-        output.UpdateBy = entity.UpdateUserId <= 0 ? null : entity.UpdateUserId.ToString();
+        var auditUserNameMap = await UserDisplayNameResolver.ResolveManyAsync(
+            [entity.CreateUserId, entity.UpdateUserId]);
+        output.CreateBy = OmsRbacUserDisplayNameResolver.FormatUserId(entity.CreateUserId, auditUserNameMap);
+        output.UpdateBy = OmsRbacUserDisplayNameResolver.FormatUserId(entity.UpdateUserId, auditUserNameMap);
         output.UpdateTime = OmsDocHelper.NullIfDefault(entity.UpdateTime);
         return output;
     }
diff --git a/src/Oms.Application/Shared/OmsRbacUserDisplayNameResolver.cs b/src/Oms.Application/Shared/OmsRbacUserDisplayNameResolver.cs
new file mode 100644
index 0000000..8fe51d0
--- /dev/null
+++ b/src/Oms.Application/Shared/OmsRbacUserDisplayNameResolver.cs
@@ -0,0 +1,80 @@
+using Fake.DependencyInjection;
+using Fake.Rbac.Infrastructure;
+using Microsoft.EntityFrameworkCore;
+
+namespace Oms.Application.Shared;
+
+/// <summary>
+/// 将 OMS 审计字段中的 RBAC mapId（user.userid）解析为展示名称。
+/// </summary>
+public class OmsRbacUserDisplayNameResolver : IScopedDependency
+{
+    private readonly FakeRbacDbContext _rbacDbContext;
+
+    public OmsRbacUserDisplayNameResolver(FakeRbacDbContext rbacDbContext)
+    {
+        _rbacDbContext = rbacDbContext;
+    }
+
+    public async Task<string?> ResolveAsync(int userId, CancellationToken cancellationToken = default)
+    {
+        if (userId <= 0)
+        {
+            return null;
+        }
+
+        var map = await ResolveManyAsync([userId], cancellationToken);
+        return FormatUserId(userId, map);
+    }
+
+    public async Task<IReadOnlyDictionary<int, string>> ResolveManyAsync(
+        IEnumerable<int> userIds,
+        CancellationToken cancellationToken = default)
+    {
+        var ids = userIds.Where(x => x > 0).Distinct().ToList();
+        if (ids.Count == 0)
+        {
+            return new Dictionary<int, string>();
+        }
+
+        var sql =
+            $"SELECT `userid` AS `{nameof(RbacUserNameRow.UserId)}`, `Name` AS `{nameof(RbacUserNameRow.DisplayName)}` FROM `user` WHERE `IsDeleted` = 0 AND `userid` IN ({string.Join(",", ids)})";
+        var rows = await _rbacDbContext.Database
+            .SqlQueryRaw<RbacUserNameRow>(sql)
+            .ToListAsync(cancellationToken);
+
+        return rows.ToDictionary(
+            x => x.UserId,
+            x => NormalizeDisplayName(x.DisplayName, x.UserId));
+    }
+
+    public static string? FormatUserId(int userId, IReadOnlyDictionary<int, string>? nameMap)
+    {
+        if (userId <= 0)
+        {
+            return null;
+        }
+
+        if (nameMap != null &&
+            nameMap.TryGetValue(userId, out var name) &&
+            !string.IsNullOrWhiteSpace(name))
+        {
+            return name;
+        }
+
+        return userId.ToString();
+    }
+
+    private static string NormalizeDisplayName(string? name, int userId)
+    {
+        var trimmed = name?.Trim();
+        return string.IsNullOrWhiteSpace(trimmed) ? userId.ToString() : trimmed;
+    }
+
+    private sealed class RbacUserNameRow
+    {
+        public int UserId { get; set; }
+
+        public string? DisplayName { get; set; }
+    }
+}