TFS 0.X Skill Points Scroll

[Kouki]

Hey guys, I try to make skill points scroll ( custom skills ), i have table in db "skill_point" but when i use scroll i got bugged 0 points even if i have some points. Someone can help me? TFS 0.4

local points = 1
 
function onUse(cid, item, fromPosition, itemEx, toPosition)
    if isPlayer(cid) == TRUE  then
db.executeQuery("UPDATE 'players' SET 'skill_points' = 'skill_points' + "..points.." where id="..getPlayerNameByGUID(guid))
 doPlayerSendTextMessage(cid, MESSAGE_STATUS_CONSOLE_BLUE,"You have "..points.." Skill Points")
    doRemoveItem(item.uid)
    end
        return true
end