action items

[ConAn Edujawa]

i try to make items add mana 3 time in 3 differnt lvls but its work only in first lvl anyone can help me?
0.4
sorry for my bad english

function onUse(cid, item, frompos, item2, topos)
    if getPlayerLevel(cid) >= 8 and getPlayerStorageValue(cid, 81729) == 0 then 
    doSendMagicEffect(getCreaturePosition(cid), 33)
     setCreatureMaxHealth(cid, (getCreatureMaxHealth(cid)+500))
    doPlayerSendTextMessage(cid, 22, "You gained 500 extra Health point!")
    doCreatureSetStorage(cid, 81729, 1)
    doRemoveItem(item.uid, 1)
               else
                doPlayerSendTextMessage(cid,19,'You used it before')
    return true
    end
     if getPlayerLevel(cid) >= 400 and getPlayerStorageValue(cid, 81629) == 0 then
    doSendMagicEffect(getCreaturePosition(cid), 33)
     setCreatureMaxHealth(cid, (getCreatureMaxHealth(cid)+500))
      doPlayerSendTextMessage(cid, 22, "You gained 500 extra Health point!")
     doCreatureSetStorage(cid, 81629, 1)
            doRemoveItem(item.uid, 1)
            return true
     end
      if getPlayerLevel(cid) >= 600 and getPlayerStorageValue(cid, 81529) == 0 then
      doSendMagicEffect(getCreaturePosition(cid), 33)
     setCreatureMaxHealth(cid, (getCreatureMaxHealth(cid)+500))
       doPlayerSendTextMessage(cid, 22, "You gained 500 extra Health point!")
      doCreatureSetStorage(cid, 81529, 1)
              doRemoveItem(item.uid, 1)
            return true
      end
end