Solução ir na pasta
/etc/apt e abri com admistrador
abrir source.list
adicionar no final e salvar

deb http://ftp.us.debian.org/debian/ unstable main contrib non-free

abri terminal e executar

sudo apt-get update
sudo apt-get install -f

Solution
Go to the /etc/apt folder
I opened with an administrator
Open source.list
Add at the end and save
deb http://ftp.us.debian.org/debian/ unstable main contrib non-free
Opened terminal
sudo apt-get update
sudo apt-get install -f