I have researched about that, and I found protonvpn is banned in my country, I have solved that by install windscribe vpn app(free 10 giga per month) which it is not banned in my country, and I have succeeded in connecting protonvpn after that , and protonvpn is working well now , I just need to windscribe to use it to establish the connection of protonvpn every connection and exit it.