[constructor theme] Change "Read the rest of this entry'

i want to change Read the rest of this entry to read more….
and add a post view beside it.
but when i look at index.php i only see

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<?php
/**
* @package WordPress
* @subpackage constructor
*/
// Stupid Parser This is Theme support the Gravatar Service
// get_avatar();

// load header.php
get_header();

// load one of layout pages (layouts/*.php) based on settings
get_constructor_layout('index');

// load footer.php
get_footer();
?>

i have try other php file like post single etc…
but not work at all somebody help plz?