Lord I need better focus

So when I'm in my zoom class I like go on my phone and scroll for mangas over here (except math im currently trying to focus on math. I have no problems with english I just need to improve my grades in math, my other grades are fucked except english) and like I seriously need better focus and I wish I could go
"Procrastination go away, come back another day maybe on the weekends but please don't come back on the weekdays"