diff --git a/AssetStudio/AssetsManager.cs b/AssetStudio/AssetsManager.cs
index 3414bd2..6d93f7f 100644
--- a/AssetStudio/AssetsManager.cs
+++ b/AssetStudio/AssetsManager.cs
@@ -57,16 +57,13 @@ namespace AssetStudio
 
         public void SetAssetFilter(params ClassIDType[] classIDTypes)
         {
-            if (filteredAssetTypesList.Count == 0)
+            filteredAssetTypesList.UnionWith(new[]
             {
-                filteredAssetTypesList.UnionWith(new HashSet<ClassIDType>
-                {
-                    ClassIDType.AssetBundle,
-                    ClassIDType.ResourceManager,
-                    ClassIDType.GameObject,
-                    ClassIDType.Transform,
-                });
-            }
+                ClassIDType.AssetBundle,
+                ClassIDType.ResourceManager,
+                ClassIDType.GameObject,
+                ClassIDType.Transform,
+            });
 
             if (classIDTypes.Contains(ClassIDType.MonoBehaviour))
             {
diff --git a/AssetStudioCLI/Options/CLIOptions.cs b/AssetStudioCLI/Options/CLIOptions.cs
index 90833d3..78996a2 100644
--- a/AssetStudioCLI/Options/CLIOptions.cs
+++ b/AssetStudioCLI/Options/CLIOptions.cs
@@ -572,7 +572,7 @@ namespace AssetStudioCLI.Options
                     case "l2d":
                     case "live2d":
                         o_workMode.Value = WorkMode.Live2D;
-                        o_exportAssetTypes.Value = new List<ClassIDType>()
+                        o_exportAssetTypes.Value = new List<ClassIDType>
                         {
                             ClassIDType.AnimationClip,
                             ClassIDType.MonoBehaviour,
@@ -581,13 +581,14 @@ namespace AssetStudioCLI.Options
                         break;
                     case "splitobjects":
                         o_workMode.Value = WorkMode.SplitObjects;
-                        o_exportAssetTypes.Value = new List<ClassIDType>()
+                        o_exportAssetTypes.Value = new List<ClassIDType>
                         {
                             ClassIDType.Texture2D,
                             ClassIDType.Material,
                             ClassIDType.Mesh,
                             ClassIDType.MeshRenderer,
                             ClassIDType.MeshFilter,
+                            ClassIDType.SkinnedMeshRenderer,
                         };
                         break;
                     default: