diff --git a/Assets/PerfectWorld/Scripts/Managers/EC_InventoryUI.cs b/Assets/PerfectWorld/Scripts/Managers/EC_InventoryUI.cs
index 2ca7f9ee0c..adc2a2b417 100644
--- a/Assets/PerfectWorld/Scripts/Managers/EC_InventoryUI.cs
+++ b/Assets/PerfectWorld/Scripts/Managers/EC_InventoryUI.cs
@@ -199,22 +199,6 @@ namespace PerfectWorld.Scripts.Managers
         }
 
         
-
-        private byte GetDefaultEquipLocation(int templateId)
-        {
-            // Basic equip location mapping based on template ID
-            // Adjust these ranges based on your game's item system
-            if (templateId >= 1000 && templateId < 2000) return 0; // Weapon
-            if (templateId >= 2000 && templateId < 3000) return 2; // Armor
-            if (templateId >= 3000 && templateId < 4000) return 3; // Accessory
-            if (templateId >= 4000 && templateId < 5000) return 4; // Ring
-            if (templateId >= 5000 && templateId < 6000) return 5; // Necklace
-            
-            // Default to slot 1 if no specific mapping
-            Debug.Log($"[InventoryUI] Using default equip location 1 for template {templateId}");
-            return 0;
-        }
-
         private int FindEmptyInventorySlot()
         {
             var inventoryData = model.GetInventoryData(PKG_INVENTORY);
@@ -270,6 +254,8 @@ namespace PerfectWorld.Scripts.Managers
         // === MVC: View ===
         private class InventoryView
         {
+            private static readonly Dictionary<Image, Sprite> _defaultSprites = new Dictionary<Image, Sprite>();
+
             public void RenderPackage(List<Button> buttons, Dictionary<int, InventoryItemData> items, byte package, System.Action<byte, int> onClick, System.Func<int, InventoryItemData, string> getDisplayText)
             {
                 if (buttons == null)
@@ -294,18 +280,23 @@ namespace PerfectWorld.Scripts.Managers
                     var image = button.GetComponent<Image>();
                     if (image != null)
                     {
+                        // Store the default sprite if we haven't seen this image before
+                        if (!_defaultSprites.ContainsKey(image))
+                        {
+                            _defaultSprites[image] = image.sprite;
+                        }
+
                         // Set icon sprite based on item TemplateId
                         if (hasItem && itemData != null && itemData.Count > 0)
                         {
                             var sprite = EC_IvtrItem.ResolveItemIconSprite(itemData.TemplateId);
                             image.sprite = sprite;
-                            image.color = sprite != null ? Color.white : Color.white;
                             image.enabled = true;
                         }
                         else
                         {
-                            image.sprite = null;
-                            image.color = Color.white;
+                            // Restore the default sprite instead of setting to null
+                            image.sprite = _defaultSprites[image];
                             image.enabled = true;
                         }
                     }
diff --git a/Assets/PerfectWorld/Scripts/Managers/EC_IvtrItem.cs b/Assets/PerfectWorld/Scripts/Managers/EC_IvtrItem.cs
index e9023ac276..f3aa7bb26e 100644
--- a/Assets/PerfectWorld/Scripts/Managers/EC_IvtrItem.cs
+++ b/Assets/PerfectWorld/Scripts/Managers/EC_IvtrItem.cs
@@ -29,12 +29,14 @@ namespace PerfectWorld.Scripts.Managers
         private static readonly Dictionary<int, int> _pileLimitCache = new Dictionary<int, int>();
         private static readonly Dictionary<int, string> _tidIconKeyCache = new Dictionary<int, string>();
         private static readonly Dictionary<string, Sprite> _iconSpriteCache = new Dictionary<string, Sprite>(StringComparer.OrdinalIgnoreCase);
+        private static Sprite[] _multiSpriteAtlas = null;
+        private static readonly Dictionary<string, int> _spriteNameToIndexCache = new Dictionary<string, int>(StringComparer.OrdinalIgnoreCase);
         private const int MaxContentHexToLog = 64;
 
         public static string ResolveItemName(int templateId)
         {
             if (templateId <= 0) return "";
-            if (_tidNameCache.TryGetValue(templateId, out var cached)) return cached;
+            //if (_tidNameCache.TryGetValue(templateId, out var cached)) return cached;
             try
             {
                 var edm = ElementDataManProvider.GetElementDataMan();
@@ -104,18 +106,79 @@ namespace PerfectWorld.Scripts.Managers
         private static Sprite LoadIconSpriteByKey(string key)
         {
             if (string.IsNullOrEmpty(key)) return null;
-            // Resources path without extension
-            string resPath = $"UI/IconSprites/{key}";
-            var sprite = Resources.Load<Sprite>(resPath);
-            if (sprite == null)
+            
+            // Load multi-sprite atlas if not already loaded
+            if (_multiSpriteAtlas == null)
             {
-                // Try lowercase/uppercase variants or zero-stripped variants as a fallback
-                var alt = Resources.Load<Sprite>($"UI/IconSprites/{key.ToLowerInvariant()}");
-                if (alt != null) return alt;
-                alt = Resources.Load<Sprite>($"UI/IconSprites/{key.ToUpperInvariant()}");
-                if (alt != null) return alt;
+                LoadMultiSpriteAtlas();
+            }
+            
+            if (_multiSpriteAtlas == null) return null;
+            
+            // Try to find sprite by name in the atlas
+            if (_spriteNameToIndexCache.TryGetValue(key, out var index))
+            {
+                if (index >= 0 && index < _multiSpriteAtlas.Length)
+                {
+                    return _multiSpriteAtlas[index];
+                }
+            }
+            
+            // Fallback: try to find by name directly in the atlas
+            foreach (var sprite in _multiSpriteAtlas)
+            {
+                if (sprite != null && string.Equals(sprite.name, key, StringComparison.OrdinalIgnoreCase))
+                {
+                    return sprite;
+                }
+            }
+            
+            // Try lowercase/uppercase variants as fallback
+            foreach (var sprite in _multiSpriteAtlas)
+            {
+                if (sprite != null && (string.Equals(sprite.name, key.ToLowerInvariant(), StringComparison.OrdinalIgnoreCase) ||
+                                      string.Equals(sprite.name, key.ToUpperInvariant(), StringComparison.OrdinalIgnoreCase)))
+                {
+                    return sprite;
+                }
+            }
+            
+            return null;
+        }
+        
+        private static void LoadMultiSpriteAtlas()
+        {
+            try
+            {
+                // Load the multi-sprite atlas from Resources
+                var atlasSprites = Resources.LoadAll<Sprite>("UI/IconSprites/iconlist_ivtrm_multisprite");
+                if (atlasSprites != null && atlasSprites.Length > 0)
+                {
+                    _multiSpriteAtlas = atlasSprites;
+                    
+                    // Build name-to-index cache for faster lookups
+                    _spriteNameToIndexCache.Clear();
+                    for (int i = 0; i < atlasSprites.Length; i++)
+                    {
+                        if (atlasSprites[i] != null && !string.IsNullOrEmpty(atlasSprites[i].name))
+                        {
+                            _spriteNameToIndexCache[atlasSprites[i].name] = i;
+                        }
+                    }
+                    
+                    Debug.Log($"[Inventory] Loaded multi-sprite atlas with {atlasSprites.Length} sprites");
+                }
+                else
+                {
+                    Debug.LogWarning("[Inventory] Failed to load multi-sprite atlas: iconlist_ivtrm_multisprite");
+                    _multiSpriteAtlas = new Sprite[0]; // Prevent repeated loading attempts
+                }
+            }
+            catch (Exception ex)
+            {
+                Debug.LogError($"[Inventory] Error loading multi-sprite atlas: {ex.Message}");
+                _multiSpriteAtlas = new Sprite[0]; // Prevent repeated loading attempts
             }
-            return sprite;
         }
 
         private static object TryFindElementByScanningArrays(object edm, uint id)