diff --git a/src/SJZY.Track.Application.Contract/Dtos/TrackPush/EditTrackPushConfigInput.cs b/src/SJZY.Track.Application.Contract/Dtos/TrackPush/EditTrackPushConfigInput.cs
index d36a166b..745cdf56 100644
--- a/src/SJZY.Track.Application.Contract/Dtos/TrackPush/EditTrackPushConfigInput.cs
+++ b/src/SJZY.Track.Application.Contract/Dtos/TrackPush/EditTrackPushConfigInput.cs
@@ -22,7 +22,7 @@ public class EditTrackPushConfigInput
     /// <summary>
     /// 服务商code
     /// </summary>
-    public string ServiceProviderCode { get; set; }
+    public string? ServiceProviderCode { get; set; }
 
     /// <summary>
     /// 子系统id