diff --git a/Assets/Scripts/Studio/AssetTool/CustomAssetRenderObject.cs b/Assets/Scripts/Studio/AssetTool/CustomAssetRenderObject.cs
index 641f9024..8ea58dae 100644
--- a/Assets/Scripts/Studio/AssetTool/CustomAssetRenderObject.cs
+++ b/Assets/Scripts/Studio/AssetTool/CustomAssetRenderObject.cs
@@ -106,7 +106,8 @@ namespace Studio.AssetTool
         public void OnPointerEnter(PointerEventData eventData)
         {
             //ResizeBoundary();
-            if (isSelected || isCollided)
+
+            if (isSelected || isCollided || eventData.pointerEnter != gameObject)
             {
                 return;
             }