Warning: require_once(Zend/Server/Interface.php): failed to open stream: 没有那个文件或目录 in /opt/lampp/htdocs/ThinkPHP2/Extend/Vendor/Zend/Server/Abstract.php on line 22

Fatal error: require_once(): Failed opening required 'Zend/Server/Interface.php' (include_path='.:/opt/lampp/lib/php') in /opt/lampp/htdocs/ThinkPHP2/Extend/Vendor/Zend/Server/Abstract.php on line 22