diff --git a/src/SJZY.Track.Domain/Aggregates/WarningAggregate/Transport/TransportWarningDetailsIndex.cs b/src/SJZY.Track.Domain/Aggregates/WarningAggregate/Transport/TransportWarningDetailsIndex.cs
index f58eb1b1..d5ae6fdb 100644
--- a/src/SJZY.Track.Domain/Aggregates/WarningAggregate/Transport/TransportWarningDetailsIndex.cs
+++ b/src/SJZY.Track.Domain/Aggregates/WarningAggregate/Transport/TransportWarningDetailsIndex.cs
@@ -89,19 +89,13 @@ public sealed class TransportWarningDetailsIndex : IdBaseIndex
     public TimeSpan CalcCumulativeTimeSpan(TrackDetailsIndex? startStatusTrack, TrackDetailsIndex? endStatusTrack)
     {
         TimeSpan timeSpan;
+        var startTime = startStatusTrack?.GetUtc0TrackTime() ?? GetUtc0StartTrackTime();
         if (Status == (int) TransportWarningStatus.已关闭)
-        {
             timeSpan = TimeSpan.FromMilliseconds(CumulativeTimeSpan);
-        }
         else if (endStatusTrack != null)
-        {
-            timeSpan = endStatusTrack.GetUtc0TrackTime()
-                .Subtract(startStatusTrack!.GetUtc0TrackTime());
-        }
+            timeSpan = endStatusTrack.GetUtc0TrackTime().Subtract(startTime);
         else
-        {
-            timeSpan = DateTime.UtcNow.Subtract(startStatusTrack!.GetUtc0TrackTime());
-        }
+            timeSpan = DateTime.UtcNow.Subtract(startTime);
 
         return timeSpan;
     }