diff --git a/src/SJZY.Track.Repository/Queries/ProvideQueries.cs b/src/SJZY.Track.Repository/Queries/ProvideQueries.cs
index 8dd6fc96..b59a308d 100644
--- a/src/SJZY.Track.Repository/Queries/ProvideQueries.cs
+++ b/src/SJZY.Track.Repository/Queries/ProvideQueries.cs
@@ -35,7 +35,7 @@ public class ProvideQueries : ISugarRepository, IProvideQueries, ITransientDepen
 
     public async Task<List<TrackCodeMapVO>> GetTrackCodeMapsAsync(int upSubSystemId, int subSystemId, params string[] trackCodes)
     {
-         // 根据上游code得到下游code
+        // 根据上游code得到下游code
         return await Context.Queryable<TrackContentMapEntity>()
             .Where(x => x.SubSystemId == subSystemId && x.MapSubSystemId == upSubSystemId &&
                         trackCodes.Contains(x.MapTrackContentCode))
@@ -62,7 +62,7 @@ public class ProvideQueries : ISugarRepository, IProvideQueries, ITransientDepen
             .Select((a, b, c) => new OrderWithServiceProviderVO
             {
                 //优先使用第三方的订单号,为空时才使用主单号
-                OrderNo = b.OrderNo.IsNullOrWhiteSpace() ? a.OrderNo : b.OrderNo!,
+                OrderNo = b.OrderNo ?? a.OrderNo,
                 OrderType = a.OrderType,
                 SubSystemId = a.SubSystemId,
                 ServiceProviderCode = b.ServiceProviderCode,
@@ -83,7 +83,7 @@ public class ProvideQueries : ISugarRepository, IProvideQueries, ITransientDepen
             .Select((a, b) => new OrderWithServiceProviderVO
             {
                 //优先使用第三方的订单号,为空时才使用主单号
-                OrderNo = b.OrderNo.IsNullOrWhiteSpace() ? a.OrderNo : b.OrderNo!,
+                OrderNo = b.OrderNo ?? a.OrderNo,
                 OrderType = a.OrderType,
                 SubSystemId = a.SubSystemId,
                 ServiceProviderCode = b.ServiceProviderCode