login and logout discord code

let RoleID = 'ايدي الرتبة';
client.on ('message', async message => {
    if (!message.member.permissions.has ('MANAGE_MESSSAGES')) return false;
    if (!message.guild.roles.cache.get (RoleID)) await message.guild.roles.fetch (RoleID);
    if (message.content == '!login' && !message.member.roles.cache.get (RoleID)) {
        message.member.roles.add (RoleID);
        message.react ('👌');
    }
    if (message.content == '!logout' && message.member.roles.cache.get (RoleID)) {
        message.member.roles.remove (RoleID);
        message.react ('👌');
    }
});