How do I make line renderer follow camera centre?

So, I was doing unity gun tutorial but my line renderer won't follow the raycast, what do I do to fix this? I've Been looking for solutions but cant find any and I cant make a multiplayer FPS without a working bullet Unity's gun tutorial is the only one that works for me and I cant fix it,

 

im only 11 and new to Unity so thats why I have no code that I need help with