cara menambahkan readmore pada tema

Gimana cara menambahkan button readmore atau selengkapnya karena tema yang saya buta menampilkan semua isi artikel pada halam utama
kode pada content.php

<div class="row">
<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
	<div class="col-lg-3">
		<a href="<?php the_permalink(); ?>">
		<?php if (has_post_thumbnail()) :
			the_post_thumbnail('thumbnail', array( 'class' => 'img-responsive' ));
			  else: ?>
			<img width="150" height="150" src="<?php echo get_stylesheet_directory_uri()."/assets/images/dthumb.png"; ?>" class="img-responsive">
			<?php
		endif;
		?>
		</a>
	</div>
	<div class="col-lg-9">
		<header class="entry-header">
			<h4 class="entry-title"><b><a href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a></b></h4>

			<?php if ('post' == get_post_type()) { ?>
			<div class="entry-meta">
				<i class="fa fa-clock-o"></i> <?php the_time('F jS, Y'); ?> <i class="fa fa-user"></i> <?php the_author(); ?>
			</div><!-- .entry-meta -->
			<?php } //endif; ?>
		</header><!-- .entry-header -->

			<?php if (is_search() ) : // Only display Excerpts for Search ?>
	<div class="entry-summary">
		<?php the_excerpt(); ?>
		<div class="clearfix"></div>
	</div><!-- .entry-summary -->
	<?php else : ?>
	<div class="entry-content">
		<?php the_content( __( 'Contine reading <span class="meta-nav">&rarr;</span>', 'inyong' ) ); ?>
		<div class="clearfix"></div>
		<?php
		wp_link_pages(array(
			'before' => '<div class="page-links">' . __('Pages:', 'inyong') . ' <ul class="pagination">',
			'after'  => '</ul></div>',
			'separator' => ''
		));
		?>
	</div><!-- .entry-content -->
	<?php endif; ?>
	</div>
</article>
</div>