diff --git a/src/Oms.Application/Dtos/Channels/SalesProductListOutput.cs b/src/Oms.Application/Dtos/Channels/SalesProductListOutput.cs
index 3743ba9..9719866 100644
--- a/src/Oms.Application/Dtos/Channels/SalesProductListOutput.cs
+++ b/src/Oms.Application/Dtos/Channels/SalesProductListOutput.cs
@@ -100,8 +100,18 @@ public class SalesProductListOutput
     /// </summary>
     public DateTime CreateTime { get; set; }
 
+    /// <summary>
+    /// 创建人展示名。
+    /// </summary>
+    public string? CreateBy { get; set; }
+
     /// <summary>
     /// 更新时间。
     /// </summary>
     public DateTime? UpdateTime { get; set; }
+
+    /// <summary>
+    /// 修改人展示名。
+    /// </summary>
+    public string? UpdateBy { get; set; }
 }
diff --git a/src/Oms.Application/Dtos/Channels/ServiceChannelListOutput.cs b/src/Oms.Application/Dtos/Channels/ServiceChannelListOutput.cs
index 546f298..e491347 100644
--- a/src/Oms.Application/Dtos/Channels/ServiceChannelListOutput.cs
+++ b/src/Oms.Application/Dtos/Channels/ServiceChannelListOutput.cs
@@ -70,8 +70,18 @@ public class ServiceChannelListOutput
     /// </summary>
     public DateTime CreateTime { get; set; }
 
+    /// <summary>
+    /// 创建人展示名。
+    /// </summary>
+    public string? CreateBy { get; set; }
+
     /// <summary>
     /// 更新时间。
     /// </summary>
     public DateTime? UpdateTime { get; set; }
+
+    /// <summary>
+    /// 修改人展示名。
+    /// </summary>
+    public string? UpdateBy { get; set; }
 }
diff --git a/src/Oms.Application/Dtos/Orders/PublishSnapshotRuleDtos.cs b/src/Oms.Application/Dtos/Orders/PublishSnapshotRuleDtos.cs
index eb347f2..b02e6bc 100644
--- a/src/Oms.Application/Dtos/Orders/PublishSnapshotRuleDtos.cs
+++ b/src/Oms.Application/Dtos/Orders/PublishSnapshotRuleDtos.cs
@@ -11,6 +11,12 @@ public class KpiAreaSnapshotRuleDto
 {
     public int Id { get; set; }
 
+    /// <summary>所属 KPI 分区表主键（多价格分区表合并快照时用于生成 zone 键）。</summary>
+    public int AreaId { get; set; }
+
+    /// <summary>所属分区表名称（可选，便于展示与 zone 键兼容）。</summary>
+    public string? AreaName { get; set; }
+
     public string? CountryCode { get; set; }
 
     public string? Province { get; set; }
diff --git a/src/Oms.Application/Services/Channels/SalesProductService.Helpers.cs b/src/Oms.Application/Services/Channels/SalesProductService.Helpers.cs
index 4deba9e..2f8f431 100644
--- a/src/Oms.Application/Services/Channels/SalesProductService.Helpers.cs
+++ b/src/Oms.Application/Services/Channels/SalesProductService.Helpers.cs
@@ -282,7 +282,6 @@ public partial class SalesProductService
             var priceSnapshot = await BuildPricePublishSnapshotAsync(salesProductId);
             ValidateBillingPriceItemRules(
                 priceSnapshot.Prices.Select(p => MapPriceSaveInput(p, salesProductId)).ToList());
-            await PriceAreaSnapshotHelper.EnsureSingleResolvedPriceAreaAsync(priceSnapshot, KpiAreaRepository);
             snapshot = priceSnapshot;
         }
         else
@@ -519,7 +518,9 @@ public partial class SalesProductService
         return normalized.Count == 0 ? null : OmsDocHelper.SerializeJson(normalized);
     }
 
-    private static SalesProductListOutput MapListOutput(SalesProduct entity)
+    private static SalesProductListOutput MapListOutput(
+        SalesProduct entity,
+        IReadOnlyDictionary<int, string> auditUserNameMap)
     {
         return new SalesProductListOutput
         {
@@ -542,7 +543,9 @@ public partial class SalesProductService
             IsActive = (byte)entity.IsActive,
             Scheme = entity.Scheme,
             CreateTime = entity.CreateTime,
-            UpdateTime = OmsDocHelper.NullIfDefault(entity.UpdateTime)
+            CreateBy = OmsRbacUserDisplayNameResolver.FormatUserId(entity.CreateUserId, auditUserNameMap),
+            UpdateTime = OmsDocHelper.NullIfDefault(entity.UpdateTime),
+            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 5f75ce2..03cd705 100644
--- a/src/Oms.Application/Services/Channels/SalesProductService.cs
+++ b/src/Oms.Application/Services/Channels/SalesProductService.cs
@@ -45,9 +45,11 @@ public partial class SalesProductService : ApplicationService
             pageSize,
             new Dictionary<string, bool> { [nameof(SalesProduct.UpdateTime)] = false, [nameof(SalesProduct.Id)] = false });
         var total = await SalesProductRepository.CountAsync(predicate);
+        var auditUserNameMap = await UserDisplayNameResolver.ResolveManyAsync(
+            entities.SelectMany(x => new[] { x.CreateUserId, x.UpdateUserId }));
         return new OmsPageResult<SalesProductListOutput>
         {
-            Items = entities.Select(MapListOutput).ToList(),
+            Items = entities.Select(entity => MapListOutput(entity, auditUserNameMap)).ToList(),
             Total = total
         };
     }
@@ -268,9 +270,6 @@ public partial class SalesProductService : ApplicationService
     {
         await GetProductOrThrowAsync(input.SalesProductId);
         ValidateBillingPriceItemRules(input.Prices);
-        await PriceAreaSnapshotHelper.EnsureSingleResolvedPriceAreaAsync(
-            BuildPriceSnapshotFromSaveInputs(input.SalesProductId, input.Prices),
-            KpiAreaRepository);
         var prices = new List<SalesProductPrice>();
         var factors = new List<SalesProductPriceFactor>();
         var details = new List<SalesProductPriceDetail>();
diff --git a/src/Oms.Application/Services/Channels/ServiceChannelService.Helpers.cs b/src/Oms.Application/Services/Channels/ServiceChannelService.Helpers.cs
index eb303e8..e92c099 100644
--- a/src/Oms.Application/Services/Channels/ServiceChannelService.Helpers.cs
+++ b/src/Oms.Application/Services/Channels/ServiceChannelService.Helpers.cs
@@ -416,7 +416,10 @@ public partial class ServiceChannelService
         };
     }
 
-    private static ServiceChannelListOutput MapListOutput(ServiceChannel entity, IReadOnlyDictionary<int, string> groupMap)
+    private static ServiceChannelListOutput MapListOutput(
+        ServiceChannel entity,
+        IReadOnlyDictionary<int, string> groupMap,
+        IReadOnlyDictionary<int, string> auditUserNameMap)
     {
         return new ServiceChannelListOutput
         {
@@ -433,7 +436,9 @@ public partial class ServiceChannelService
             RemoteAreaId = entity.RemoteAreaId,
             IsActive = (byte)entity.IsActive,
             CreateTime = entity.CreateTime,
-            UpdateTime = OmsDocHelper.NullIfDefault(entity.UpdateTime)
+            CreateBy = OmsRbacUserDisplayNameResolver.FormatUserId(entity.CreateUserId, auditUserNameMap),
+            UpdateTime = OmsDocHelper.NullIfDefault(entity.UpdateTime),
+            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 061ab28..ade005a 100644
--- a/src/Oms.Application/Services/Channels/ServiceChannelService.cs
+++ b/src/Oms.Application/Services/Channels/ServiceChannelService.cs
@@ -43,9 +43,11 @@ public partial class ServiceChannelService : ApplicationService
             new Dictionary<string, bool> { [nameof(ServiceChannel.UpdateTime)] = false, [nameof(ServiceChannel.Id)] = false });
         var total = await ServiceChannelRepository.CountAsync(predicate);
         var groupMap = await GetGroupMapAsync();
+        var auditUserNameMap = await UserDisplayNameResolver.ResolveManyAsync(
+            entities.SelectMany(x => new[] { x.CreateUserId, x.UpdateUserId }));
         return new OmsPageResult<ServiceChannelListOutput>
         {
-            Items = entities.Select(entity => MapListOutput(entity, groupMap)).ToList(),
+            Items = entities.Select(entity => MapListOutput(entity, groupMap, auditUserNameMap)).ToList(),
             Total = total
         };
     }
diff --git a/src/Oms.Application/Services/Orders/ParcelBillingCalculator.cs b/src/Oms.Application/Services/Orders/ParcelBillingCalculator.cs
index c408031..5c5762c 100644
--- a/src/Oms.Application/Services/Orders/ParcelBillingCalculator.cs
+++ b/src/Oms.Application/Services/Orders/ParcelBillingCalculator.cs
@@ -125,7 +125,12 @@ internal static class ParcelBillingCalculator
             return null;
         }
 
-        var keys = BuildPriceZoneKeys(matched, priceSnapshot.PriceAreaName, priceSnapshot.PriceAreaId);
+        // 多价格分区表时优先用规则自身 AreaId，避免落到快照单一 PriceAreaId
+        var areaId = matched.AreaId > 0 ? matched.AreaId : priceSnapshot.PriceAreaId;
+        var areaName = !string.IsNullOrWhiteSpace(matched.AreaName)
+            ? matched.AreaName
+            : priceSnapshot.PriceAreaName;
+        var keys = BuildPriceZoneKeys(matched, areaName, areaId);
         return keys.Count > 0 ? keys : null;
     }
 
@@ -155,7 +160,11 @@ internal static class ParcelBillingCalculator
         var allowed = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
         foreach (var rule in countryRules)
         {
-            foreach (var key in BuildPriceZoneKeys(rule, priceSnapshot.PriceAreaName, priceSnapshot.PriceAreaId))
+            var areaId = rule.AreaId > 0 ? rule.AreaId : priceSnapshot.PriceAreaId;
+            var areaName = !string.IsNullOrWhiteSpace(rule.AreaName)
+                ? rule.AreaName
+                : priceSnapshot.PriceAreaName;
+            foreach (var key in BuildPriceZoneKeys(rule, areaName, areaId))
             {
                 if (!string.IsNullOrWhiteSpace(key))
                 {
diff --git a/src/Oms.Application/Shared/KpiAreaSnapshotMapper.cs b/src/Oms.Application/Shared/KpiAreaSnapshotMapper.cs
index 8644700..5d5a131 100644
--- a/src/Oms.Application/Shared/KpiAreaSnapshotMapper.cs
+++ b/src/Oms.Application/Shared/KpiAreaSnapshotMapper.cs
@@ -8,10 +8,12 @@ namespace Oms.Application.Shared;
 /// </summary>
 public static class KpiAreaSnapshotMapper
 {
-    public static KpiAreaSnapshotRuleDto MapToSnapshotRule(KpiAreaInfo entity) =>
+    public static KpiAreaSnapshotRuleDto MapToSnapshotRule(KpiAreaInfo entity, string? areaName = null) =>
         new()
         {
             Id = entity.Id,
+            AreaId = entity.AreaId,
+            AreaName = areaName,
             CountryCode = entity.CountryCode,
             Province = entity.Province,
             City = entity.City,
diff --git a/src/Oms.Application/Shared/PriceAreaSnapshotHelper.cs b/src/Oms.Application/Shared/PriceAreaSnapshotHelper.cs
index 3cd3f06..67d560e 100644
--- a/src/Oms.Application/Shared/PriceAreaSnapshotHelper.cs
+++ b/src/Oms.Application/Shared/PriceAreaSnapshotHelper.cs
@@ -1,5 +1,3 @@
-using Fake.Application;
-using Oms.Application.Dtos.Channels;
 using Oms.Application.Dtos.Orders;
 using Oms.Application.Services.Orders;
 using Oms.Domain.ChannelsAggregate.Entities;
@@ -9,11 +7,12 @@ namespace Oms.Application.Shared;
 
 /// <summary>
 /// 将价格分区（t_kpi_area + t_kpi_area_info）固化进卖价发布快照。
+/// 支持卖价明细引用多张价格分区表：合并各表明细规则写入快照。
 /// </summary>
 public static class PriceAreaSnapshotHelper
 {
     /// <summary>
-    /// 按产品 PriceAreaId（或从卖价明细分区推断）加载分区头与明细写入快照。
+    /// 按产品 PriceAreaId（或从卖价明细分区推断的全部 AreaId）加载分区头与明细写入快照。
     /// </summary>
     public static async Task ApplyPriceAreaToSnapshotAsync(
         SalesProductPricePublishSnapshotDto snapshot,
@@ -21,14 +20,12 @@ public static class PriceAreaSnapshotHelper
         IKpiAreaRepository kpiAreaRepository,
         CancellationToken cancellationToken = default)
     {
-        await EnsureSingleResolvedPriceAreaAsync(snapshot, kpiAreaRepository, cancellationToken);
-
-        var priceAreaId = await ResolvePriceAreaIdAsync(
+        var areaIds = await CollectResolvedPriceAreaIdsAsync(
             product,
             snapshot,
             kpiAreaRepository,
             cancellationToken);
-        if (!priceAreaId.HasValue)
+        if (areaIds.Count == 0)
         {
             snapshot.PriceAreaId = null;
             snapshot.PriceAreaName = null;
@@ -36,84 +33,94 @@ public static class PriceAreaSnapshotHelper
             return;
         }
 
-        snapshot.PriceAreaId = priceAreaId;
-        var area = await kpiAreaRepository.FirstOrDefaultAsync(x => x.Id == priceAreaId.Value, cancellationToken);
-        snapshot.PriceAreaName = area?.Name;
-        var infos = await kpiAreaRepository.GetAllInfosByAreaIdAsync(priceAreaId.Value, cancellationToken);
-        snapshot.PriceAreaInfos = infos.Select(KpiAreaSnapshotMapper.MapToSnapshotRule).ToList();
+        var mergedInfos = new List<KpiAreaSnapshotRuleDto>();
+        var seenInfoIds = new HashSet<int>();
+        var areaNames = new List<string>();
+
+        foreach (var areaId in areaIds)
+        {
+            var area = await kpiAreaRepository.FirstOrDefaultAsync(x => x.Id == areaId, cancellationToken);
+            var areaName = area?.Name;
+            if (!string.IsNullOrWhiteSpace(areaName))
+            {
+                areaNames.Add(areaName.Trim());
+            }
+
+            var infos = await kpiAreaRepository.GetAllInfosByAreaIdAsync(areaId, cancellationToken);
+            foreach (var info in infos)
+            {
+                if (!seenInfoIds.Add(info.Id))
+                {
+                    continue;
+                }
+
+                mergedInfos.Add(KpiAreaSnapshotMapper.MapToSnapshotRule(info, areaName));
+            }
+        }
+
+        snapshot.PriceAreaInfos = mergedInfos;
+        if (areaIds.Count == 1)
+        {
+            snapshot.PriceAreaId = areaIds[0];
+            snapshot.PriceAreaName = areaNames.Count > 0 ? areaNames[0] : null;
+        }
+        else
+        {
+            // 多表：不再落单一 PriceAreaId，名称拼接便于人工查看
+            snapshot.PriceAreaId = null;
+            snapshot.PriceAreaName = areaNames.Count > 0 ? string.Join("、", areaNames) : null;
+        }
     }
 
+    /// <summary>
+    /// 收集卖价明细（及产品 PriceAreaId）可解析到的全部价格分区表 Id，去重保序。
+    /// </summary>
+    internal static async Task<IReadOnlyList<int>> CollectResolvedPriceAreaIdsAsync(
+        SalesProduct product,
+        SalesProductPricePublishSnapshotDto snapshot,
+        IKpiAreaRepository kpiAreaRepository,
+        CancellationToken cancellationToken = default)
+    {
+        var result = new List<int>();
+        var seen = new HashSet<int>();
+
+        void Add(int? areaId)
+        {
+            if (areaId is > 0 && seen.Add(areaId.Value))
+            {
+                result.Add(areaId.Value);
+            }
+        }
+
+        if (product.PriceAreaId is > 0)
+        {
+            Add(product.PriceAreaId);
+        }
+
+        var zoneKeys = ParcelBillingCalculator.CollectDistinctDetailZoneKeys(snapshot);
+        foreach (var zoneKey in zoneKeys)
+        {
+            Add(await TryResolveZoneKeyToAreaIdAsync(zoneKey, kpiAreaRepository, cancellationToken));
+        }
+
+        return result;
+    }
+
+    /// <summary>
+    /// 兼容旧调用：仅返回第一个可解析 AreaId（多表场景请用 CollectResolvedPriceAreaIdsAsync）。
+    /// </summary>
     internal static async Task<int?> ResolvePriceAreaIdAsync(
         SalesProduct product,
         SalesProductPricePublishSnapshotDto snapshot,
         IKpiAreaRepository kpiAreaRepository,
         CancellationToken cancellationToken = default)
     {
-        if (product.PriceAreaId is > 0)
-        {
-            return product.PriceAreaId;
-        }
-
-        var zoneKeys = ParcelBillingCalculator.CollectDistinctDetailZoneKeys(snapshot);
-        foreach (var zoneKey in zoneKeys)
-        {
-            if (!int.TryParse(zoneKey.Trim(), out var zoneId) || zoneId <= 0)
-            {
-                continue;
-            }
-
-            var area = await kpiAreaRepository.FirstOrDefaultAsync(x => x.Id == zoneId, cancellationToken);
-            if (area != null)
-            {
-                return zoneId;
-            }
-
-            var info = await kpiAreaRepository.GetInfoByIdAsync(zoneId, cancellationToken);
-            if (info != null)
-            {
-                return info.AreaId;
-            }
-        }
-
-        return null;
-    }
-
-    /// <summary>
-    /// 校验卖价明细中可解析的分区因子键均指向同一 AreaId；混用多个分区表时抛业务异常。
-    /// 非数字/无法解析的分区名（如「美西」）跳过，与 ResolvePriceAreaIdAsync 一致。
-    /// </summary>
-    public static async Task EnsureSingleResolvedPriceAreaAsync(
-        SalesProductPricePublishSnapshotDto snapshot,
-        IKpiAreaRepository kpiAreaRepository,
-        CancellationToken cancellationToken = default)
-    {
-        var zoneKeys = ParcelBillingCalculator.CollectDistinctDetailZoneKeys(snapshot);
-        if (zoneKeys.Count == 0)
-        {
-            return;
-        }
-
-        int? resolvedAreaId = null;
-        foreach (var zoneKey in zoneKeys)
-        {
-            var areaId = await TryResolveZoneKeyToAreaIdAsync(zoneKey, kpiAreaRepository, cancellationToken);
-            if (!areaId.HasValue)
-            {
-                continue;
-            }
-
-            if (resolvedAreaId == null)
-            {
-                resolvedAreaId = areaId;
-                continue;
-            }
-
-            if (resolvedAreaId.Value != areaId.Value)
-            {
-                throw new BusinessException(
-                    $"卖价明细分区混用了多个价格分区（AreaId={resolvedAreaId} 与 {areaId}），请统一分区后再发布");
-            }
-        }
+        var ids = await CollectResolvedPriceAreaIdsAsync(
+            product,
+            snapshot,
+            kpiAreaRepository,
+            cancellationToken);
+        return ids.Count > 0 ? ids[0] : null;
     }
 
     private static async Task<int?> TryResolveZoneKeyToAreaIdAsync(
diff --git a/src/Oms.Application/Shared/RulesSnapshotHelper.cs b/src/Oms.Application/Shared/RulesSnapshotHelper.cs
index 88f9062..9643354 100644
--- a/src/Oms.Application/Shared/RulesSnapshotHelper.cs
+++ b/src/Oms.Application/Shared/RulesSnapshotHelper.cs
@@ -98,7 +98,7 @@ public static class RulesSnapshotHelper
             snapshot,
             areaId,
             area?.Name,
-            infos.Select(KpiAreaSnapshotMapper.MapToSnapshotRule).ToList());
+            infos.Select(info => KpiAreaSnapshotMapper.MapToSnapshotRule(info)).ToList());
     }
 
     private static async Task ApplyWeightRuleToSnapshotAsync(