this is a mistake?

explain why when draw a have -10

ibb.co/gKaAyb Or click on the button Open↑

It's not a draw, as a legal sequence of moves can lead to mate:
Ke7 Na5
Kd8 Nc4
Kc8 Na5
Kb8 Nc4
Ra6+ Kd7
Ka8 Kc8
Ra7 Nb6#

I played white turned out time. Why I was losing -10
points when it's a draw.

It's not a draw. You lost on time.

На личессе действуют правила ФИДЕ, и согласно ним, если стороне, просрочившей время, теоретически можно поставить мат, она считается проигравшей. Пример, как можно получить мат, имея ладью против коня, в #3

I played white ,I have rook not a horse, why did I loss?it a draw

It's not a draw, Black is victorious (it's possible for Black to checkmate). It even says so right in your own comment #1.