how to hide address some field & add one custom field?

-- url of the page with the problem -- : www.5gtv.com.tw
-- HikaShop version -- : 4.3.0
-- Joomla version -- : 4.9.18
-- PHP version -- : 7.3
-- Browser(s) name and version -- : safari

Hi:

how to control HikaShop registion address hide "phone"& "country" field?
and add one text input filed when guest registion must input?

Hi,

You can go in the menu Display>Custom fields in the HikaShop backend. There, you'll see each field of that form and you can modify / add / disable them.