在wamp5下配置zend framework有错误！

错误提示：
Fatal error: Uncaught exception ‘Zend_Controller_Dispatcher_Exception‘ with message ‘Invalid controller specified (index.php)‘ in F:\local_www\zendframework\library\Zend\Controller\Dispatcher\Standard.php:242 Stack trace: #0 F:\local_www\zendframework\library\Zend\Controller\Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http)) #1 F:\local_www\zendframework\index.php(24): Zend_Controller_Front->dispatch() #2 {main} thrown in F:\local_www\zendframework\library\Zend\Controller\Dispatcher\Standard.php on line 242
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