I made an ecommerce theme and threre register mini-cart.php by <?php echo apply_filters( 'woocommerce_widget_cart_item_quantity', '<span class="quantity">' . sprintf( '%s × %s', $cart_item['quantity'], $product_price ) . '</span>', $cart_item, $cart_item_key ); ?> code but when I add product to cart its show empty,afte page reload shows product numbers