If someone looking for something like that...
Lua Code:
local function b()
local c = {year = 2022, month = 01, day = 01, hour = 00, min = 00, sec = 00}
local d = time(c)
return d
end
-- Compare b() with pc date.
local function e()
local f = time()
return f
end
local function g()
local function h(time)
local i = floor(time / 86400)
local j = floor(mod(time, 86400) / 3600)
local k = floor(mod(time, 3600) / 60)
local l = floor(mod(time, 60))
return format("%d days:%02d hours:%02d min:%02d sec", i, j, k, l)
end
local m = b() - e()
local n = h(m)
return n
end
if e() >= b() then
return message("Your addon outdate!\n\n|cffFFFFFFOpen curse find|r |cff00ff52AddonName|r|cffFFFFFF. \n\ Download new update.|r")
end