diff --git a/src/SJZY.Track.Application.Contract/Services/ITrackPushCacheService.cs b/src/SJZY.Track.Application.Contract/Services/ITrackPushCacheService.cs
index a4a57bc0..ab34ac01 100644
--- a/src/SJZY.Track.Application.Contract/Services/ITrackPushCacheService.cs
+++ b/src/SJZY.Track.Application.Contract/Services/ITrackPushCacheService.cs
@@ -19,7 +19,7 @@ public interface ITrackPushCacheService
     /// <param name="customId">服务商id</param>
     /// <param name="trackContentId"></param>
     /// <returns></returns>
-    Task<TrackPushContentConfigDto> GetPushContentConfigAsync(int subSystemId, int customId, int trackContentId);
+    Task<TrackPushContentConfigDto?> GetPushContentConfigAsync(int subSystemId, int customId, int trackContentId);
 
     /// <summary>
     /// 根据轨迹代码推断下一个（升序）要推送的内容，如果找不到或者已经是最后一个了，返回null
diff --git a/src/SJZY.Track.Application/Services/TrackPush/TrackPushCacheService.cs b/src/SJZY.Track.Application/Services/TrackPush/TrackPushCacheService.cs
index 46155e2e..5dc319f8 100644
--- a/src/SJZY.Track.Application/Services/TrackPush/TrackPushCacheService.cs
+++ b/src/SJZY.Track.Application/Services/TrackPush/TrackPushCacheService.cs
@@ -28,12 +28,12 @@ public class TrackPushCacheService : ApplicationService, ITrackPushCacheService
     }
 
     [NonAction]
-    public async Task<TrackPushContentConfigDto> GetPushContentConfigAsync(int subSystemId, int customId,
+    public async Task<TrackPushContentConfigDto?> GetPushContentConfigAsync(int subSystemId, int customId,
         int trackContentId)
     {
         var data = await GetPushContentConfigsAsync(subSystemId, customId);
 
-        return data.Single(x => x.TrackContentId == trackContentId);
+        return data?.FirstOrDefault(x => x.TrackContentId == trackContentId);
     }
 
     [NonAction]