а все очень просто. правим
/www/yourls/includes/class-mysql.php
function ezSQL_mysql($dbuser='', $dbpassword='', $dbname='', $dbhost='localhost') { if ($dbuser && $dbname) { $this->quick_connect($dbuser, $dbpassword, $dbname, $dbhost); } $this->query(" SET CHARACTER SET utf8 "); }