diff --git a/Runtime/HumanoidControl/Scripts/HumanoidControl.cs b/Runtime/HumanoidControl/Scripts/HumanoidControl.cs
index effbb88..c55e332 100644
--- a/Runtime/HumanoidControl/Scripts/HumanoidControl.cs
+++ b/Runtime/HumanoidControl/Scripts/HumanoidControl.cs
@@ -357,6 +357,9 @@ namespace Passer.Humanoid {
 
         #region Avatar
 
+        public event OnChangeAvatar OnChangeAvatarEvent;
+        public delegate void OnChangeAvatar();
+
         private float GetAvatarNeckHeight() {
             if (avatarRig == null)
                 return headTarget.transform.localPosition.y;
@@ -463,6 +466,8 @@ namespace Passer.Humanoid {
                 default:
                     break;
             }
+
+            OnChangeAvatarEvent?.Invoke();
         }
 
         public void InitializeAvatar() {