exp token

[Venn]

local config = {
	rate = 2, -- 2x More Experience
	time = 2, -- Hours of Exp Time
	storage = 20012
}
local function endExpRate(cid)
	if isPlayer(cid) == TRUE then
		doPlayerSetRate(cid, SKILL__LEVEL, 1) -- config.lua rate
		setPlayerStorageValue(cid, config.storage, -1)
		doPlayerSendTextMessage(cid, MESSAGE_STATUS_CONSOLE_RED, "Your extra experience time has ended.")
	end
end
function onUse(cid, item, fromPosition, itemEx, toPosition)
	if(getPlayerStorageValue(cid, config.storage) < 0) then
		doPlayerSendTextMessage(cid, MESSAGE_STATUS_CONSOLE_ORANGE, "Your extra experience rate is now: " .. config.rate .. "x 	higher then your normal experience rate. It will last for ".. config.time .." hours.")
		doPlayerSetRate(cid, SKILL__LEVEL, config.rate)
		setPlayerStorageValue(cid, config.storage, os.time() + config.time * 3600)
		addEvent(endExpRate, config.time * 3600 * 1000, cid)
		doRemoveItem(item.uid, 1)
	else
		doPlayerSendTextMessage(cid, MESSAGE_STATUS_CONSOLE_BLUE, "You still have extra experience time left.")
	end
	return TRUE
end

it dont work correctly :<
bugs:
wrong for exp stages
when u died u lose ur extra experiance but cant use it again
when ur time over u cant use it again