Help ShopPreview not show Hero Glow Effects on Try Weapon

any can help me?

//ServerSide

i use ShopPreviewInfo to show Infinity Weapon for some seconds.. when show item, the effect disappear and not show..

the item effect work fine when normal equiped.

exampe i use this code.

Map<Integer, Integer> itemList = new HashMap<Integer, Integer>();

int paperdoll = Inventory.getPaperdollItem(Inventory.PAPERDOLL_RHAND);
int itemId = 6611;

itemList.put(paperdoll, itemId);

activeChar.sendPacket(new ShopPreviewInfo(itemList));

ThreadPoolManager.getInstance().schedule(new RemoveWearItemsTask(activeChar), 10);

show me the items work, but effect disappear

i use mythras files for test. and i think is problem with some packets with client.

i find one server with dressme and show effects normally when try it...

thanks for helpme