翅膀升阶：祝福值满点必成的进阶

local function upgradeWing(actor)
    local lv = getplayvar(actor, "wingLv") or 0
    local bless = getplayvar(actor, "wingBless") or 0
    if lv >= 10 then
        sendmsg(actor, 1, "已达 10 阶上限")
        return
    end
    if math.random(1, 100) <= 30 + lv * 5 or bless >= 100 then
        setplayvar(actor, "wingLv", lv + 1)
        setplayvar(actor, "wingBless", 0)
        sendmsg(actor, 1, "升阶成功，当前 " .. (lv + 1) .. " 阶")
    else
        setplayvar(actor, "wingBless", bless + 10 + lv * 2)
        sendmsg(actor, 1, "未成，祝福值 "
            .. (bless + 10 + lv * 2) .. "/100")
    end
end

local function queryWing(actor)
    sendmsg(actor, 1, (getplayvar(actor, "wingLv") or 0) .. " 阶，祝福值 "
        .. (getplayvar(actor, "wingBless") or 0) .. "/100")
end