show post excerpt in single post

<?php
    $single = JNews\Single\SinglePost::getInstance();
?>
<div class="jeg_content jeg_singlepage">

    <div class="container">

        <div class="jeg_ad jeg_article jnews_article_top_ads">
            <?php do_action( 'jnews_article_top_ads' ); ?>
        </div>

        <div class="row">
            <div class="jeg_main_content col-md-<?php echo esc_attr( $single->main_content_width() ); ?>">
                <div class="jeg_inner_content">
                    <?php
                    if ( have_posts() ) :
                        the_post();
                        ?>

                        <?php if ( jnews_can_render_breadcrumb() && jnews_show_breadcrumb() ) : ?>
                        <div class="jeg_breadcrumbs jeg_breadcrumb_container">
                            <?php $single->render_breadcrumb(); ?>
                        </div>
                        <?php endif; ?>

                        <div class="entry-header">
                            <?php do_action( 'jnews_single_post_before_title', get_the_ID() ); ?>

                            <h1 class="jeg_post_title"><?php the_title(); ?></h1>

                            <?php if ( ! $single->is_subtitle_empty() ) : ?>
                                <h2 class="jeg_post_subtitle"><?php echo esc_html( $single->render_subtitle() ); ?></h2>
                            <?php endif; ?>
                            <h2 class="jeg_post_subtitle"><?php echo esc_html( wp_kses( get_the_excerpt( get_the_ID() ), wp_kses_allowed_html() ) ); ?></h2>

                            <div class="jeg_meta_container"><?php $single->render_post_meta(); ?></div>
                        </div>

                        <?php $single->render_featured_post(); ?>

                        <?php do_action( 'jnews_share_top_bar', get_the_ID() ); ?>

                        <?php do_action( 'jnews_single_post_before_content' ); ?>

                        <div class="entry-content <?php echo esc_attr( $single->share_float_additional_class() ); ?>">
                            <div class="jeg_share_button share-float jeg_sticky_share clearfix <?php $single->share_float_style_class(); ?>">
                                <?php do_action( 'jnews_share_float_bar', get_the_ID() ); ?>
                            </div>

                            <div class="content-inner <?php echo apply_filters( 'jnews_content_class', '', get_the_ID() ); ?>">
                                <?php the_content(); ?>
                                <?php wp_link_pages(); ?>

                                <?php do_action( 'jnews_source_via_single_post' ); ?>

                                <?php if ( has_tag() ) { ?>
                                <div class="jeg_post_tags"><?php $single->post_tag_render(); ?></div>
                                <?php } ?>
                            </div>


                        </div>
                        <?php do_action( 'jnews_share_bottom_bar', get_the_ID() ); ?>

                        <?php do_action( 'jnews_push_notification_single_post' ); ?>

                        <?php do_action( 'jnews_single_post_after_content' ); ?>

                    <?php endif; ?>
                </div>
            </div>
            <?php $single->render_sidebar(); ?>
        </div>

        <div class="jeg_ad jeg_article jnews_article_bottom_ads">
            <?php do_action( 'jnews_article_bottom_ads' ); ?>
        </div>

    </div>
</div>