diff --git a/src/SJZY.Track.Application/Services/TrackOrders/TrackOrderService.cs b/src/SJZY.Track.Application/Services/TrackOrders/TrackOrderService.cs
index 472c63bf..3f3aa542 100644
--- a/src/SJZY.Track.Application/Services/TrackOrders/TrackOrderService.cs
+++ b/src/SJZY.Track.Application/Services/TrackOrders/TrackOrderService.cs
@@ -115,14 +115,16 @@ public class TrackOrderService : ApplicationService
     [HttpPost("GetDetails")]
     public async Task<List<TrackOrderDetailDto>> GetTracksAsync(int? orderId, string? orderNo, int? systemId)
     {
-        Expression<Func<OrderEntity, bool>> whereExpression = null;
+        Expression<Func<OrderEntity, bool>>? whereExpression = null;
+        //根据订单id查询
         if (orderId != null && orderId > 0)
             whereExpression = m => m.Id == orderId;
 
+        //根据订单号+系统id查询
         if (!string.IsNullOrEmpty(orderNo) && systemId != null && systemId > 0)
             whereExpression = m => m.OrderNo == orderNo && m.SubSystemId == systemId;
 
-        if (orderId == default && orderNo == default && systemId == default)
+        if (whereExpression == default)
             throw new BusinessException(message: "请求参数异常");
 
         var subSystemId = await _orderRepository.GetFirstAsync(whereExpression, x => x.SubSystemId);