Smarty 在本地可以用到服务器上就报错

Warning: include_once(./common/smarty/Smarty.class.php) [function.include-once]: failed to open stream: No such file or directory in /home/yiwugate/public_html/global.php on line 4

Warning: include_once() [function.include]: Failed opening './common/smarty/Smarty.class.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/yiwugate/public_html/global.php on line 4
 
Fatal error: Class 'smarty' not found in /home/yiwugate/public_html/global.php on line 12