fix code update equip thing character

Assets/PerfectWorld/Scripts/Players/PlayerModelPreview.cs

@@ -39,10 +39,15 @@ namespace BrewMonster.Scripts
             _loadVersion++;
             int version = _loadVersion;
 
-            ClearModels();
-
             if (roleInfos == null || roleInfos.Count == 0 || NPCManager.Instance == null)
+            {
+                ClearModels();
                 return;
+            }
+
+            List<GameObject> oldModels = new List<GameObject>(playerModels);
+            playerModels.Clear();
+            playerModelIds.Clear();
 
             for (int i = 0; i < roleInfos.Count; i++)
             {
@@ -68,6 +73,14 @@ namespace BrewMonster.Scripts
 
                 ApplyRequestedModelVisibility();
             }
+
+            for(int i=0; i < oldModels.Count; i++)
+            {
+                if (oldModels[i] != null)
+                {
+                    Destroy(oldModels[i]);
+                }
+            }
         }
 
         /// <summary>
@@ -130,16 +143,16 @@ namespace BrewMonster.Scripts
             //    }
             //}
 
-            playerModels.Clear();
-            playerModelIds.Clear();
-
-            if(modelRoot != null)
+            for (int i = 0; i < playerModels.Count; i++)
             {
-                foreach (Transform child in modelRoot)
+                if (playerModels[i] != null)
                 {
-                    Destroy(child.gameObject);
+                    Destroy(playerModels[i]);
                 }
             }
+
+            playerModels.Clear();
+            playerModelIds.Clear();
         }
 
         private void ClearModelsImmediate()

Assets/PerfectWorld/Scripts/UI/Inventory/InventoryCharacterPreview.cs

@@ -246,6 +246,11 @@ namespace BrewMonster.Scripts.UI.Inventory
                 return;
             }
 
+            if (_previewInstance != null && _previewInstance != sourceRoot.gameObject)
+            {
+                DestroyPreviewInstance();
+            }
+
             if (!sourceRoot.gameObject.activeSelf)
             {
                 sourceRoot.gameObject.SetActive(true);
@@ -269,6 +274,15 @@ namespace BrewMonster.Scripts.UI.Inventory
             EnsureCameraBindings();
         }
 
+        private void DestroyPreviewInstance()
+        {
+            if (_previewInstance != null)
+            {
+                Destroy(_previewInstance);
+                _previewInstance = null;
+            }
+        }
+
 
         private Transform ResolveSourceModelRoot()
         {