diff --git a/src/SJZY.Track.Application/Services/TrackContents/TrackContentService.cs b/src/SJZY.Track.Application/Services/TrackContents/TrackContentService.cs
index 97c1c0fc..67097d55 100644
--- a/src/SJZY.Track.Application/Services/TrackContents/TrackContentService.cs
+++ b/src/SJZY.Track.Application/Services/TrackContents/TrackContentService.cs
@@ -203,14 +203,14 @@ namespace SJZY.Track.Application.Services.TrackContents
         {
             if (input.Options != OptionTypeNoNull.删除)
             {
-                if (input.TrackContentId == input.MapTrackContentId) throw new BusinessException(message: _stringLocalizer["IsTrackContentMapAny"]);
+                if (input.SubSystemId == input.MapSubSystemId) throw new BusinessException(message: _stringLocalizer["NotAllowedToMapSubSystem"]);
 
                 Expression<Func<TrackContentMapEntity, bool>> isMapAnyExp = x =>
                     x.TrackContentId == input.TrackContentId && x.MapTrackContentId == input.MapTrackContentId;
                 if (input.Options == OptionTypeNoNull.修改) isMapAnyExp.And(x => x.Id != input.Id);
 
                 if (await _trackContentRepository.IsMapAnyAsync(isMapAnyExp))
-                    throw new BusinessException(message: _stringLocalizer["NotAllowedToMapOneself"]);
+                    throw new BusinessException(message: _stringLocalizer["IsTrackContentMapAny"]);
             }
 
             switch (input.Options)