Check-out Buttom Blank Page Redirect

hello guys, I have a website, an ecommerce that I am developing and a detail is happening. on the product page, when the person clicks the buy button, that product is added to the cart. if the person clicks on the cart to close the purchase and clicks on the checkout button, they are not redirected (they return to the home page) if they click on the view cart, it works normally. is it possible in some way to make this buy button play straight to checkout without adding to the cart? thanks