Incorrect plugin work

Hello

Error in your plugin:

Your plugin show:

WARNING: Found?echo get_theme_mod?in?file_name.?Theme options must be escaped (Opens in a new window)..

BUT, for setting definition WP have special check algorithm, as example below for define “display_excerpt_or_full_post” settings, WP use “sanitize_callback” function:

        $wp_customize->add_setting(
            'display_excerpt_or_full_post',
            array(
                'capability'        => 'edit_theme_options',
                'default'           => 'excerpt',
                'sanitize_callback' => static function( $value ) {
                    return 'excerpt' === $value || 'full' === $value ? $value : 'excerpt';
                },
            )
        );

so as result we need define sanitize_callback function and also add same check for by pass your plugin check