diff --git a/src/Oms.Application/Messaging/OmsAfterCommit.cs b/src/Oms.Application/Messaging/OmsAfterCommit.cs
index 66f07fb..9b31ee7 100644
--- a/src/Oms.Application/Messaging/OmsAfterCommit.cs
+++ b/src/Oms.Application/Messaging/OmsAfterCommit.cs
@@ -9,16 +9,24 @@ namespace Oms.Application.Messaging;
 /// </summary>
 internal static class OmsAfterCommit
 {
-    public static async Task ScheduleAsync(IUnitOfWorkManager unitOfWorkManager, Func<Task> action)
+    public static Task ScheduleAsync(IUnitOfWorkManager unitOfWorkManager, Func<Task> action)
     {
         var current = unitOfWorkManager.Current;
         if (current != null && !current.IsCompleted)
         {
-            current.OnCompleted(action);
-            return;
+            // OnCompleted 仍处在创单事务里，此时再写 Outbox 征用不到连接，事件会丢。
+            // 等工作单元释放后再开独立事务。
+            EventHandler<UnitOfWorkEventArgs> handler = null!;
+            handler = (_, _) =>
+            {
+                current.Disposed -= handler;
+                _ = Task.Run(action);
+            };
+            current.Disposed += handler;
+            return Task.CompletedTask;
         }
 
-        await action();
+        return action();
     }
 
     /// <summary>
diff --git a/src/Oms.Application/Messaging/OmsIntegrationEventPublisher.cs b/src/Oms.Application/Messaging/OmsIntegrationEventPublisher.cs
index 956bc1e..b572be4 100644
--- a/src/Oms.Application/Messaging/OmsIntegrationEventPublisher.cs
+++ b/src/Oms.Application/Messaging/OmsIntegrationEventPublisher.cs
@@ -33,9 +33,9 @@ internal static class OmsIntegrationEventPublisher
                     @event.Id);
                 return;
             }
-            catch (Exception ex) when (IsTxConnectionMismatch(ex))
+            catch (Exception ex) when (ShouldUseIndependentOutbox(ex))
             {
-                // SqlSugar 已在另一条连接上开事务时，EF 无法征用该 DbTransaction。
+                // 环境事务已提交、连接对不上，或还没有可征用的数据库事务时，改走独立短事务。
                 logger.LogWarning(
                     ex,
                     "Ambient UoW TX incompatible with EF Outbox; using short outbox TX. Event={EventName} Id={EventId}",
@@ -97,12 +97,18 @@ internal static class OmsIntegrationEventPublisher
         return dbProvider.GetDbContextAsync();
     }
 
-    private static bool IsTxConnectionMismatch(Exception ex)
+    private static bool ShouldUseIndependentOutbox(Exception ex)
     {
         for (var e = ex; e != null; e = e.InnerException!)
         {
-            if (e.Message.Contains("not associated with the current connection", StringComparison.OrdinalIgnoreCase)
-                || e.Message.Contains("associated with the current connection", StringComparison.OrdinalIgnoreCase))
+            var message = e.Message;
+            if (message.Contains("not associated with the current connection", StringComparison.OrdinalIgnoreCase)
+                || message.Contains("associated with the current connection", StringComparison.OrdinalIgnoreCase)
+                || message.Contains("可征用的数据库事务", StringComparison.Ordinal)
+                || message.Contains("returned null", StringComparison.OrdinalIgnoreCase)
+                || message.Contains("No ambient transaction", StringComparison.OrdinalIgnoreCase)
+                || message.Contains("已经回滚", StringComparison.Ordinal)
+                || message.Contains("已被调用", StringComparison.Ordinal))
             {
                 return true;
             }
diff --git a/src/Oms.Application/Services/Orders/OrderService.ParcelBilling.cs b/src/Oms.Application/Services/Orders/OrderService.ParcelBilling.cs
index afe1617..2d66718 100644
--- a/src/Oms.Application/Services/Orders/OrderService.ParcelBilling.cs
+++ b/src/Oms.Application/Services/Orders/OrderService.ParcelBilling.cs
@@ -2866,49 +2866,32 @@ public partial class OrderService
         {
             try
             {
-                var customsTask = OmsAfterCommit.RunStepAsync(scopeFactory, logger, "customs-9610", sp =>
+                await OmsAfterCommit.RunStepAsync(scopeFactory, logger, "customs-9610", sp =>
                     sp.GetRequiredService<OrderService>().PublishCustomsForOrderAsync(orderId, platformCode));
-                var forecastTask = includeForecast
-                    ? OmsAfterCommit.RunStepAsync(scopeFactory, logger, "forecast-billing", async sp =>
+
+                var forecastQueued = true;
+                if (includeForecast)
+                {
+                    forecastQueued = await OmsAfterCommit.RunStepAsync(scopeFactory, logger, "forecast-billing", async sp =>
                     {
                         var service = sp.GetRequiredService<OrderService>();
                         await service.EnqueueForecastBillingByIdAsync(orderId, couponInstanceId, operatorUserId);
-                        var latest = await sp.GetRequiredService<IOrderRepository>()
-                            .FirstOrDefaultAsync(x => x.Id == orderId);
-                        if (latest != null)
-                        {
-                            output.OrderStatus = latest.OrderStatus;
-                            output.PredeclareFailReason = latest.PredeclareFailReason;
-                            output.ForecastBillingQueued = string.Equals(
-                                latest.PredeclareFailReason,
-                                ForecastBillingProcessingReason,
-                                StringComparison.Ordinal);
-                        }
-                    })
-                    : Task.FromResult(true);
-                var pickupTask = OmsAfterCommit.RunStepAsync(scopeFactory, logger, "pickup-attach", sp =>
+                    });
+                    await OmsAfterCommit.RunStepAsync(scopeFactory, logger, "track-upsert", sp =>
+                        sp.GetRequiredService<OrderService>().PublishForecastTrackAsync(orderId));
+                    await OmsAfterCommit.RunStepAsync(scopeFactory, logger, "label-generate", sp =>
+                        sp.GetRequiredService<OrderService>().PublishForecastLabelAsync(orderId, operatorUserId));
+                    await OmsAfterCommit.RunStepAsync(scopeFactory, logger, "auto-trigger", sp =>
+                        sp.GetRequiredService<OrderService>().PublishForecastAutoTriggerAsync(orderId, operatorUserId));
+                }
+
+                await OmsAfterCommit.RunStepAsync(scopeFactory, logger, "pickup-attach", sp =>
                     sp.GetRequiredService<OrderService>().TryAttachPickupAfterParcelCreateAsync(input, output));
-                var trackTask = includeForecast
-                    ? OmsAfterCommit.RunStepAsync(scopeFactory, logger, "track-upsert", sp =>
-                        sp.GetRequiredService<OrderService>().PublishForecastTrackAsync(orderId))
-                    : Task.FromResult(true);
-                var labelTask = includeForecast
-                    ? OmsAfterCommit.RunStepAsync(scopeFactory, logger, "label-generate", sp =>
-                        sp.GetRequiredService<OrderService>().PublishForecastLabelAsync(orderId, operatorUserId))
-                    : Task.FromResult(true);
-                var triggerTask = includeForecast
-                    ? OmsAfterCommit.RunStepAsync(scopeFactory, logger, "auto-trigger", sp =>
-                        sp.GetRequiredService<OrderService>().PublishForecastAutoTriggerAsync(orderId, operatorUserId))
-                    : Task.FromResult(true);
 
-                await Task.WhenAll(customsTask, forecastTask, pickupTask, trackTask, labelTask, triggerTask);
-
-                if (includeForecast && !await forecastTask)
+                if (includeForecast && !forecastQueued)
                 {
                     await OmsAfterCommit.RunStepAsync(scopeFactory, logger, "forecast-billing-fail", sp =>
                         sp.GetRequiredService<OrderService>().MarkForecastEnqueueFailedIfStillProcessingAsync(orderId));
-                    output.ForecastBillingQueued = false;
-                    output.PredeclareFailReason = ForecastBillingEnqueueFailReason;
                 }
             }
             catch (Exception ex)