magento 2.3 now showing category and subcategory in breadcrum on prodcut detail page

my product details page has url structure like

url > cat > sub cat > product name

but in breadcrumb i see only home > product name i want to show category and sub category also

breadcrum.phtml

< ?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
/** @var MagentoThemeBlockHtmlBreadcrumbs $block */
/** @var MagentoCatalogViewModelProductBreadcrumbs $viewModel */
$viewModel = $block->getData('viewModel');

?>
"
            }
        }'>
        

layout.xml file

 
            
                MagentoCatalogViewModelProductBreadcrumbs