仓库借还：装备借出的归还登记

local function lend(actor, item)
    giveitem(actor, item, 1, 0, "仓库借用")   -- 借出无登记
end

local LEND = {}
local function lend(actor, item)
    LEND[item] = {who = getplayvar(actor, "NAME"),
        at = os.time()}
    giveitem(actor, item, 1, 0, "仓库借出")
end
local function checkOverdue()
    for item, rec in pairs(LEND) do
        if os.time() - rec.at > 604800 then
            sendcentermsg(rec.who .. " 借用的 " .. item
                .. " 已逾期7天未还")
        end
    end
end