How can i get nerd fonts in kitty terminal

i can't get beautiful font of codding in terminal: i am reading documentation of fonts in voidlinux.org and i'm installing alacritty and kitty and st , but not work my conf of alacritty is:

font:
  normal:
    family: Fira Code
    style: Medium
  bold:
    family: Fira Code
    style: SemiBold
  italic:
    family: Fira Code
    style: Light
  size: 10

but if i'm try to use this symbols and font : it's not work: * my font now is:

$ fc-list | grep -i "fira"|awk -F: '{print $2}' |sort|uniq

 Fira Code
 Fira Code,Fira Code Light
 Fira Code,Fira Code Medium
 Fira Code,Fira Code Retina
 Fira Code,Fira Code SemiBold
 FiraCode Nerd Font
 FiraCode Nerd Font Mono
 FiraMono Nerd Font
 FiraMono Nerd Font Mono