Why I can't play animation jump?

animation Idle and run is okay, why animation jump cant animate.
When i press w one time for jump animation jump is so fast and animator load so fast,
if i press w two times animation jump can normal animate and animator normal load.
I don’t know. Please help me.
I upload my code in under post.

i follow this clip : 2D Movement in Unity (Tutorial) - YouTube
7615270--946420--unknown.jpg

7615270–946423–CharacterController2D.cs (4.58 KB)
7615270–946426–PlayerMovement.cs (922 Bytes)

I can fix it. I’m sorry for wasting your time.