Child theme doesn't work

Hello

i’m using hathor 3.4
i want to update my theme
but before i am trying to creat a CHILD THEME
this one doens’t work

i also try with the plugin Orbisius Child Theme Creator
but same problem : does not work

in this 2 situations, my website stay block on a white page and downloading

my functions.php file :

<?php
/**
** activation theme
**/
add_action( 'wp_enqueue_scripts', 'theme_enqueue_styles' );
function theme_enqueue_styles() {
    wp_enqueue_style( 'parent-style', get_template_directory_uri() . '/style.css' );

}
add_filter('comments_open', 'wpc_comments_closed', 10, 2);
function wpc_comments_closed( $open, $post_id ) {
$post = get_post( $post_id );
$open = false;
return $open;
}
?>

my css file :

/*
Theme Name: Theme lebuisson
Description: Theme lebuisson
Author: Claire - lebuisson
Author URI: https://www.laceriseweb.com
Template: hathor
Version: 0.1.0
*/
@import url("../hathor/style.css");

what can i do ?

thanks

claire cerise