Hello,
I will take a look at the amount of work needed for your feature request regarding the coutdown plugin.
You can send us a message via the "contact us" form, with a link to that forum thread so the HikaShop support team will assign the ticket to me.
Regards,
Jerome - Obsidev.com
HikaMarket & HikaSerial developer / HikaShop core dev team.
Also helping the HikaShop support team when having some time or couldn't sleep.
By the way, do not send me private message, use the "contact us" form instead.