diff --git a/Assets/UniGLTF/Runtime/UniHumanoid/AvatarDescription.cs b/Assets/UniGLTF/Runtime/UniHumanoid/AvatarDescription.cs
index 3327947f3..d54dded13 100644
--- a/Assets/UniGLTF/Runtime/UniHumanoid/AvatarDescription.cs
+++ b/Assets/UniGLTF/Runtime/UniHumanoid/AvatarDescription.cs
@@ -129,7 +129,7 @@ namespace UniHumanoid
         public Avatar CreateAvatar(Transform root)
         {
             // force unique name
-            ForceUniqueName.Process(root);
+            ForceUniqueName.Validate(root);
             return AvatarBuilder.BuildHumanAvatar(root.gameObject, ToHumanDescription(root));
         }
 
diff --git a/Assets/UniGLTF/Runtime/UniHumanoid/HumanoidLoader.cs b/Assets/UniGLTF/Runtime/UniHumanoid/HumanoidLoader.cs
index 45f0ec806..ea1eea1ee 100644
--- a/Assets/UniGLTF/Runtime/UniHumanoid/HumanoidLoader.cs
+++ b/Assets/UniGLTF/Runtime/UniHumanoid/HumanoidLoader.cs
@@ -9,7 +9,7 @@ namespace UniHumanoid
     {
         public static Avatar LoadHumanoidAvatar(Transform root, IEnumerable<(Transform, HumanBodyBones)> boneMap)
         {
-            ForceUniqueName.Process(root);
+            UniGLTF.Utils.ForceUniqueName.Process(root);
 
             var description = new HumanDescription
             {
diff --git a/Assets/UniGLTF/Runtime/UniHumanoid/ForceUniqueName.cs b/Assets/UniGLTF/Runtime/Utils/ForceUniqueName.cs
similarity index 79%
rename from Assets/UniGLTF/Runtime/UniHumanoid/ForceUniqueName.cs
rename to Assets/UniGLTF/Runtime/Utils/ForceUniqueName.cs
index 14625a9c3..51b530631 100644
--- a/Assets/UniGLTF/Runtime/UniHumanoid/ForceUniqueName.cs
+++ b/Assets/UniGLTF/Runtime/Utils/ForceUniqueName.cs
@@ -1,15 +1,32 @@
 using System;
 using System.Collections.Generic;
-using UniGLTF;
 using UnityEngine;
 
-namespace UniHumanoid
+namespace UniGLTF.Utils
 {
-    class ForceUniqueName
+    public class ForceUniqueName
     {
         HashSet<string> m_uniqueNameSet = new HashSet<string>();
         int m_counter = 1;
 
+        public static bool Validate(Transform root)
+        {
+            HashSet<string> uniqueNameSet = new HashSet<string>();
+            var transforms = root.GetComponentsInChildren<Transform>();
+            foreach (var t in transforms)
+            {
+                if (uniqueNameSet.Contains(t.name))
+                {
+                    UniGLTFLogger.Warning($"duplicate name: {t.name}");
+                }
+                else
+                {
+                    uniqueNameSet.Add(t.name);
+                }
+            }
+            return uniqueNameSet.Count == transforms.Length;
+        }
+
         public static void Process(Transform root)
         {
             var uniqueName = new ForceUniqueName();
diff --git a/Assets/UniGLTF/Runtime/UniHumanoid/ForceUniqueName.cs.meta b/Assets/UniGLTF/Runtime/Utils/ForceUniqueName.cs.meta
similarity index 100%
rename from Assets/UniGLTF/Runtime/UniHumanoid/ForceUniqueName.cs.meta
rename to Assets/UniGLTF/Runtime/Utils/ForceUniqueName.cs.meta