您只需将页面slug添加到“show\\u in\\u menu”,即可回答您的示例:
\'show_in_menu\' => \'mytestpage\',
有关更完整的示例:
管理/设置页,共页:/wp管理/管理。php?页码=mytestpage
register_post_type(\'mycpt\', array(\'label\' => \'My Custom Post Type\', \'capability_type\' => \'post\', \'show_ui\' => true, \'show_in_menu\' => \'mytestpage\'));