How to fix infinite redirect in simplecheckout?

Question

opencart

Hello, how to fix the endless redirect from index.php?route=checkout/cart to index.php?route=checkout/simplecheckout , but you need to go to the simple cart

in url.php, that's what I have, I remove it, the cart works, but the standard one

if ($route == 'checkout/checkout') {
      $route = 'checkout/simplecheckout';
    }