The first conditional has the present simple after 'if', then will/the future simple in the other clause:
if + present simple, ... will + infinitive (base without to)
If it rains, I won't go to the park.
If I study today, I'll go to the party tonight.
She'll be late if the train is delayed.
She'll miss the bus if she doesn't leave soon.
If we see her, we'll tell her.