我的插件菜单没有出现在wordpress中

Question

我为wordpress创建了2个不同的插件。当我激活第二个时，会出现第一个菜单！

我创建第一个插件菜单的代码：

function app_create_menu()
{       

$menusettings = new stdClass;       
$menusettings->page_title = __("setting mysite",'creat_mysite');
$menusettings->menu_title = __("setting mysite",'creat_mysite');
$menusettings->capability = 'manage_options';
$menusettings->menu_slug  = $this->app_name."_settings";
$menusettings->func       = 'template_setting_mysite';
$this->_pagehooks['calctral-app-list-modules'] = $this->add_admin_menu($menusettings,'menu');
$menusettings->icon_url   = '';
$menusettings->position   = 400;
}

我创建第二个插件菜单的代码：

function app_create_menu(){         

$menusettings = new stdClass;       
$menusettings->page_title = __("Students",'Students');
$menusettings->menu_title = __("Students",'Students');
$menusettings->capability = 'manage_options';
$menusettings->menu_slug  = $this->app_name."_settings";
$menusettings->func       = 'template_setting_student';
$this->_pagehooks['calctral-app-list-modules'] = $this->add_admin_menu($menusettings,'menu');
$menusettings->icon_url   = '';
$menusettings->position   = 500;
}