Get input key time down bug?

why sometimes when i ‘play’, ‘get input key time down’ begin count down from -1.7?

if begin in ‘-’ then always work like that until i stop and play again, same when begin in 0.0… until stop

now from begin on -7

I suppose count begin in 0 when key its down.
i don’t known how that function work .

another test with eventick in the second branch

nobody known how works that function?