Raycast do not detect collisions

I have Raycast around my character to detect walls, the left, right and rear Raycasts have no problem detecting walls, but the front ones don't detect walls, but when I disable the aforementioned Raycasts, the front Raycasts work without problemsalt text alt text

The first image is from the front Raycast that does not detect collisions and the second is from a Raycast that does detect collisions

[1]: /storage/temp/196525-raycast3.png