diff --git a/src/SJZY.Track.Repository/Repositories/OrderRepository.cs b/src/SJZY.Track.Repository/Repositories/OrderRepository.cs
index a071f693..b07a00ec 100644
--- a/src/SJZY.Track.Repository/Repositories/OrderRepository.cs
+++ b/src/SJZY.Track.Repository/Repositories/OrderRepository.cs
@@ -449,7 +449,7 @@ public class OrderRepository : BasicRepository<OrderEntity>, IOrderRepository, I
     /// </summary>
     /// <param name="orderPlatformNumberEntities"></param>
     /// <returns></returns>
-    private static string BuildThirdPartyOrderNumber(List<OrderPlatformNumberEntity> orderPlatformNumberEntities)
+    public string BuildThirdPartyOrderNumber(List<OrderPlatformNumberEntity> orderPlatformNumberEntities)
     {
         if (orderPlatformNumberEntities.Count == 0) return GlobalConst.EmptyString;
         const string separator = "、";
@@ -457,6 +457,7 @@ public class OrderRepository : BasicRepository<OrderEntity>, IOrderRepository, I
             .Where(x => !string.IsNullOrWhiteSpace(x.OrderNumber))
             .Select(x => $"{x.OrderNumber}({x.Platform})")
             .ToList();
+        if (thirdPartyOrderNumbers.Count == 0) return GlobalConst.EmptyString;
         return string.Join(separator, thirdPartyOrderNumbers);
     }