找不到单一类型.php文件的页面

我已经创建了自定义帖子类型“event”，以在名为single event的单个页面中显示。php文件，但它提供了404错误。我如何解决这个问题

flush\\u rewrite\\u rules（）；

请提供一些想法。。。。。。。

function custom_event() {
$labels = array( 
   \'name\' => _x(\'Event\', \'post type general name\'),
   \'singular_name\' => _x(\'Event\', \'post type singular name\'),
   \'add_new\' => _x(\'Add Event\', \'Content\'),
   \'add_new_item\' => __(\'Add New Event\'),
   \'edit_item\' => __(\'Edit Event\'),
   \'new_item\' => __(\'New Content\'),
   \'view_item\' => __(\'View Event\'),
   \'search_items\' => __(\'Search Content\'),
   \'not_found\' =>  __(\'Nothing found\'), 
   \'parent_item_colon\' => \'\',
   \'menu_name\' => __(\'Event\')
);

 $args = array(
\'labels\' => $labels,
\'public\' => true,
\'publicly_queryable\' => true,
\'show_ui\' => true, 
\'show_in_menu\' => true, 
\'query_var\' => true,
\'rewrite\' => true,
\'capability_type\' => \'post\',
\'has_archive\' => true, 
\'hierarchical\' => false,
\'menu_position\' => 20,
\'supports\' => array( \'title\', \'editor\')
 );

flush_rewrite_rules();
register_post_type(\'event\', $args);
}
  //$wp_rewrite->flush_rules();
  //add_action(\'admin_init\', \'flush_rewrite_rules\');
    add_action (\'init\', \'custom_event\');

function create_post_type_event() { //Create custom post type for event $labels = array( \'name\' => _x(\'Event\', \'post type general name\'), \'singular_name\' => _x(\'Event\', \'post type singular name\'), \'add_new\' => _x(\'Add New\', \'event\'), \'add_new_item\' => __(\'Add New Event\'), \'edit_item\' => __(\'Edit Event\'), \'new_item\' => __(\'New Event\'), \'all_items\' => __(\'All Events\'), \'view_item\' => __(\'View Event\'), \'search_items\' => __(\'Search Event\'), \'not_found\' => __(\'No event found\'), \'not_found_in_trash\' => __(\'No event found in Trash\'), \'parent_item_colon\' => \'\', \'menu_name\' => __(\'Event\') ); $args = array( \'labels\' => $labels, \'public\' => true, \'publicly_queryable\' => true, \'show_ui\' => true, \'show_in_menu\' => true, \'query_var\' => true, \'rewrite\' => TRUE, \'capability_type\' => \'post\', \'has_archive\' => true, \'hierarchical\' => false, \'menu_position\' => 5, \'supports\' => array( \'title\', \'editor\', \'author\', \'thumbnail\', \'excerpt\', \'comments\', \'custom-fields\' ) ); register_post_type(\'event\',$args); flush_rewrite_rules(); // Flush the rewrite rules and re-create the above for custom post types } add_action( \'init\', \'create_post_type_event\' );

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