diff --git a/src/Oms.Application/Services/Orders/OrderService.OrderEdit.cs b/src/Oms.Application/Services/Orders/OrderService.OrderEdit.cs
index 88b9ece..88a1ad6 100644
--- a/src/Oms.Application/Services/Orders/OrderService.OrderEdit.cs
+++ b/src/Oms.Application/Services/Orders/OrderService.OrderEdit.cs
@@ -1,7 +1,5 @@
-using System.Data;
 using System.Globalization;
 using Fake.Application;
-using Fake.UnitOfWork;
 using Microsoft.AspNetCore.Mvc;
 using Newtonsoft.Json;
 using Oms.Application.Dtos.Channels;
@@ -26,10 +24,9 @@ public partial class OrderService
 
     /// <summary>
     /// 编辑订单详情（基本信息、发件人、收件人）。
-    /// 跟踪号变更时会写轨迹 Upsert Outbox，须事务性 UoW。
+    /// 跟踪号变更时同步调用轨迹 Upsert（不走 Outbox）。
     /// </summary>
     [HttpPost("/order/update")]
-    [UnitOfWork(IsTransactional = true, IsolationLevel = IsolationLevel.ReadCommitted)]
     public async Task<OrderOutput> UpdateOrderDetailAsync(OrderUpdateInput input)
     {
         var order = await GetOrderOrThrowAsync(input.Id);
@@ -162,7 +159,7 @@ public partial class OrderService
 
         if (input.TrackNo != null)
         {
-            await EnqueueSmallBagTrackUpsertWhenTrackNoChangedAsync(order, previousTrackNo);
+            await SyncSmallBagTrackUpsertWhenTrackNoChangedAsync(order, previousTrackNo);
         }
 
         return (await MapOrderOutputsAsync([order])).First();
diff --git a/src/Oms.Application/Services/Orders/OrderService.ParcelBilling.cs b/src/Oms.Application/Services/Orders/OrderService.ParcelBilling.cs
index abaa68f..33d7ea0 100644
--- a/src/Oms.Application/Services/Orders/OrderService.ParcelBilling.cs
+++ b/src/Oms.Application/Services/Orders/OrderService.ParcelBilling.cs
@@ -3234,6 +3234,30 @@ public partial class OrderService
         await EnqueueSmallBagTrackUpsertAsync(order, customer: null, receiver: null, appendInitialTrack);
     }
 
+    /// <summary>
+    /// 跟踪号变更时同步 Upsert 轨迹（编辑订单详情用，避免依赖 Outbox/事务 UoW）。
+    /// 失败仅记日志，不阻断订单保存。
+    /// </summary>
+    private async Task SyncSmallBagTrackUpsertWhenTrackNoChangedAsync(
+        Order order,
+        string? previousTrackNo,
+        bool appendInitialTrack = true)
+    {
+        var next = order.TrackNo?.Trim() ?? string.Empty;
+        var prev = previousTrackNo?.Trim() ?? string.Empty;
+        if (string.IsNullOrWhiteSpace(next)
+            || string.Equals(next, prev, StringComparison.Ordinal)
+            || string.IsNullOrWhiteSpace(order.ServiceNo))
+        {
+            return;
+        }
+
+        var request = await BuildSmallBagTrackUpsertRequestAsync(order);
+        request.AppendInitialTrackOnSuccess = appendInitialTrack;
+        ApplyTrackAuthorization(request);
+        await SmallBagTrackOrderClient.UpsertAsync(request);
+    }
+
     private async Task EnqueueLifecycleTrackAppendAsync(Order order, string trackCode)
     {
         if (string.IsNullOrWhiteSpace(order.ServiceNo))