thinkphp,该如何处理

thinkphp
我在练习某个thinphp实战项目,是学籍管理系统,后台登陆跳转无法从登陆页面跳转到管理页面 不知道为什么!
登陆form "

"
admin控制器
namespace Home\Controller;
use Think\Controller;
class AdminController extends Controller {

public function index() {
$this->display("index"); //显示管理员主界面

}
}
?>

就出现这样的
无法加载模块:Admin
错误位置

FILE: F:\wamp\www\XUESHENG\ThinkPHP\Library\Think\Dispatcher.class.php 　LINE: 166
TRACE

#0 F:\wamp\www\XUESHENG\ThinkPHP\Library\Think\Dispatcher.class.php(166): E('???????????????...')
#1 F:\wamp\www\XUESHENG\ThinkPHP\Library\Think\App.class.php(26): Think\Dispatcher::dispatch()
#2 F:\wamp\www\XUESHENG\ThinkPHP\Library\Think\App.class.php(172): Think\App::init()
#3 F:\wamp\www\XUESHENG\ThinkPHP\Library\Think\Think.class.php(117): Think\App::run()
#4 F:\wamp\www\XUESHENG\ThinkPHP\ThinkPHP.php(94): Think\Think::start()
#5 F:\wamp\www\XUESHENG\admin.php(24): require('F:\wamp\www\XUE...')
#6 {main}

ThinkPHP3.2.1 { Fast & Simple OOP PHP Framework } -- [ WE CAN DO IT JUST THINK ]

------解决思路----------------------
class AdminController extends Controller {

admin