i enchant a bow and equip it the bow don't appear in my hands

When i enchance my bow the enchanced bow don't appear in my hands

Steps to Reproduce:

1. Enchance a bow
2. The enchanced bow dissapears!
3. Nothing because is only that

Observed Results:
The bow model dissapears But i can shot

Expected Results:{}

The enchanced bow model appear

Screenshots/Videos attached: [please attach an image or short video] 

Notes:i expect that this helps you all understand me