can't go up to an original server nor minecraft launcher error

the bug in the minecraft launcher can't connect to the hypixer and the mineplex and i have an original minecraft! please help me! don't help reload the game! i don't know what would help you kindly help! when I want to connect the hypixere it writes that the login failed: the authentication is currently down for maintenance! i don't know what could be wrong but i think it's just laucnher buggy because my minecraft is original!