Why doesn't Raycast work?

Question

C++ / C#

Hello. In general, this script seems to work, but for some reason it only works when the player object does not move and only once, the function is called via Update, but it does not work every frame. Don't know what could be wrong?

void Shoot() {
        RaycastHit2D hit = Physics2D.Raycast(gun.transform.position, gun.transform.right, range, layerMask:5);
        Debug.DrawRay(gun.transform.position, gun.transform.right * range, Color.green);
            if(hit.transform.gameObject.CompareTag("Player")) {
                Debug.Log("hited " + hit.collider.name);
            }
    }