diff --git a/SpineViewer/Extensions/SpineObjectExtension.cs b/SpineViewer/Extensions/SpineObjectExtension.cs
index 66a02b2..2d25ef8 100644
--- a/SpineViewer/Extensions/SpineObjectExtension.cs
+++ b/SpineViewer/Extensions/SpineObjectExtension.cs
@@ -49,7 +49,7 @@ namespace SpineViewer.Extensions
         public static Rect GetCurrentBounds(this SpineObject self)
         {
             self.Skeleton.GetBounds(out var x, out var y, out var w, out var h);
-            return new(x, y, w, h);
+            return new(x, y, Math.Max(w, 1e-6f), Math.Max(h, 1e-6f));
         }
 
         /// <summary>
diff --git a/SpineViewer/ViewModels/MainWindow/SpineObjectTabViewModel.cs b/SpineViewer/ViewModels/MainWindow/SpineObjectTabViewModel.cs
index c092a14..6b24919 100644
--- a/SpineViewer/ViewModels/MainWindow/SpineObjectTabViewModel.cs
+++ b/SpineViewer/ViewModels/MainWindow/SpineObjectTabViewModel.cs
@@ -49,15 +49,15 @@ namespace SpineViewer.ViewModels.MainWindow
 
                     IEnumerable<string> commonSkinNames = _selectedObjects[0].Skins;
                     foreach (var obj in _selectedObjects.Skip(1)) commonSkinNames = commonSkinNames.Intersect(obj.Skins);
-                    foreach (var name in commonSkinNames) _skins.Add(new(name, _selectedObjects));
+                    foreach (var name in commonSkinNames.Order()) _skins.Add(new(name, _selectedObjects));
 
                     IEnumerable<string> commonSlotNames = _selectedObjects[0].SlotAttachments.Keys;
                     foreach (var obj in _selectedObjects.Skip(1)) commonSlotNames = commonSlotNames.Intersect(obj.SlotAttachments.Keys);
-                    foreach (var name in commonSlotNames) _slots.Add(new(name, _selectedObjects));
+                    foreach (var name in commonSlotNames.Order()) _slots.Add(new(name, _selectedObjects));
 
                     IEnumerable<int> commonTrackIndices = _selectedObjects[0].GetTrackIndices();
                     foreach (var obj in _selectedObjects.Skip(1)) commonTrackIndices = commonTrackIndices.Intersect(obj.GetTrackIndices());
-                    foreach (var idx in commonTrackIndices) _animationTracks.Add(new(idx, _selectedObjects));
+                    foreach (var idx in commonTrackIndices.Order()) _animationTracks.Add(new(idx, _selectedObjects));
                 }
 
                 OnPropertyChanged();