diff --git a/src/TrackCenter.Application/Services/ProvideServices/OrderService.V2.cs b/src/TrackCenter.Application/Services/ProvideServices/OrderService.V2.cs
index cbcfc734..af38574f 100644
--- a/src/TrackCenter.Application/Services/ProvideServices/OrderService.V2.cs
+++ b/src/TrackCenter.Application/Services/ProvideServices/OrderService.V2.cs
@@ -23,7 +23,9 @@ public partial class OrderService
             x.AppKey == AppKey && x.OrderType == TrackOrderType.小包 && x.OrderNo == input.OrderNo);
         if (order != null)
         {
+            var existing = order;
             order = await BuiltOrder(input);
+            ApplyUpsertOntoExisting(order, existing, resetTrackInfoWhenTrackNoChanged: true);
 
             await _orderRepository.UpdateOrderAsync(order);
 
@@ -71,7 +73,9 @@ public partial class OrderService
             x.AppKey == AppKey && x.OrderType == TrackOrderType.大包 && x.OrderNo == input.BagNo);
         if (order != null)
         {
+            var existing = order;
             order = await BuiltOrder(input);
+            ApplyUpsertOntoExisting(order, existing, resetTrackInfoWhenTrackNoChanged: false);
 
             await _orderRepository.UpdateOrderAsync(order);
 
@@ -119,7 +123,9 @@ public partial class OrderService
             x.AppKey == AppKey && x.OrderType == TrackOrderType.主单 && x.OrderNo == input.MasterNo);
         if (order != null)
         {
+            var existing = order;
             order = await BuiltOrder(input);
+            ApplyUpsertOntoExisting(order, existing, resetTrackInfoWhenTrackNoChanged: false);
 
             await _orderRepository.UpdateOrderAsync(order);
 
@@ -260,6 +266,41 @@ public partial class OrderService
         return order;
     }
 
+    /// <summary>
+    /// 合并到已有订单：保留 Id；跟踪号未变则保留轨迹摘要，变更则清空便于重拉。
+    /// </summary>
+    private static void ApplyUpsertOntoExisting(
+        OrderEntity built,
+        OrderEntity existing,
+        bool resetTrackInfoWhenTrackNoChanged)
+    {
+        built.Id = existing.Id;
+
+        var previousTrackNo = existing.TrackNo?.Trim() ?? string.Empty;
+        var nextTrackNo = built.TrackNo?.Trim() ?? string.Empty;
+        var trackNoChanged = !string.Equals(previousTrackNo, nextTrackNo, StringComparison.Ordinal);
+
+        if (resetTrackInfoWhenTrackNoChanged && trackNoChanged)
+        {
+            built.ResetTrackInfo();
+            return;
+        }
+
+        built.IsCompleted = existing.IsCompleted;
+        built.LatestPushTrackCode = existing.LatestPushTrackCode;
+        built.LatestPushTime = existing.LatestPushTime;
+        built.LatestPushError = existing.LatestPushError;
+        built.LatestTrackStatus = existing.LatestTrackStatus;
+        built.LatestTrackContent = existing.LatestTrackContent;
+        built.LatestTrackEnContent = existing.LatestTrackEnContent;
+        built.LatestTrackTime = existing.LatestTrackTime;
+        built.LatestTrackTimeZone = existing.LatestTrackTimeZone;
+        built.LatestTrackPlace = existing.LatestTrackPlace;
+        built.EstimatedDeliveryDate = existing.EstimatedDeliveryDate;
+        built.DestinationTimeZone = existing.DestinationTimeZone;
+        built.QuestionType = existing.QuestionType;
+    }
+
     private static OrderPullStatusEntity CreateOrderPullStatus(TrackPullConfigEntity config, OrderEntity order)
     {
         var status = new OrderPullStatusEntity
diff --git a/src/TrackCenter.Repository/Repositories/OrderRepository.cs b/src/TrackCenter.Repository/Repositories/OrderRepository.cs
index 672c2402..39dc7578 100644
--- a/src/TrackCenter.Repository/Repositories/OrderRepository.cs
+++ b/src/TrackCenter.Repository/Repositories/OrderRepository.cs
@@ -254,11 +254,33 @@ public class OrderRepository : BasicRepository<OrderEntity>, IOrderRepository, I
     {
         using var tran = TransactionHelper.GetReadCommitted();
 
-        // 更新订单主表
+        // 更新订单主表（Upsert 业务字段；勿只更 Customer/AppKey）
         await UpdateAsync(order, x => new
         {
             x.Customer,
             x.AppKey,
+            x.TrackNo,
+            x.ThirdPartyOrderNumber,
+            x.Channel,
+            x.ProductCode,
+            x.ServiceProviderCode,
+            x.ArrivalCountry,
+            x.ArrivalProvince,
+            x.ArrivalPostCode,
+            x.ArrivalCity,
+            x.ArrivalEmail,
+            x.LeaveCountry,
+            x.LeaveCity,
+            x.IsTransit,
+            x.IsCompleted,
+            x.LatestTrackStatus,
+            x.LatestTrackContent,
+            x.LatestTrackEnContent,
+            x.LatestTrackTime,
+            x.LatestTrackTimeZone,
+            x.LatestTrackPlace,
+            x.EstimatedDeliveryDate,
+            x.DestinationTimeZone,
         });
 
         // 更新订单拉取状态
@@ -280,11 +302,33 @@ public class OrderRepository : BasicRepository<OrderEntity>, IOrderRepository, I
 
         try
         {
-            // 更新订单主表
+            // 更新订单主表（与 UpdateOrderAsync 字段对齐）
             await UpdateRangeAsync(orders, x => new
             {
                 x.Customer,
-                x.AppKey
+                x.AppKey,
+                x.TrackNo,
+                x.ThirdPartyOrderNumber,
+                x.Channel,
+                x.ProductCode,
+                x.ServiceProviderCode,
+                x.ArrivalCountry,
+                x.ArrivalProvince,
+                x.ArrivalPostCode,
+                x.ArrivalCity,
+                x.ArrivalEmail,
+                x.LeaveCountry,
+                x.LeaveCity,
+                x.IsTransit,
+                x.IsCompleted,
+                x.LatestTrackStatus,
+                x.LatestTrackContent,
+                x.LatestTrackEnContent,
+                x.LatestTrackTime,
+                x.LatestTrackTimeZone,
+                x.LatestTrackPlace,
+                x.EstimatedDeliveryDate,
+                x.DestinationTimeZone,
             });
 
             var orderIds = orders.Select(x => x.Id).ToHashSet();