Widget/Options.php on line 348 有问题

Notice: Undefined index: theme in /opt/lampp/htdocs/dashboard/hanye/build/var/Widget/Options.php on line 348

Catchable fatal error: Argument 1 passed to Typecho_Router_Parser::__construct() must be of the type array, boolean given, called in /opt/lampp/htdocs/dashboard/hanye/build/var/Widget/Options.php on line 388 and defined in /opt/lampp/htdocs/dashboard/hanye/build/var/Typecho/Router/Parser.php on line 53