為什麼清單渲染不出來啊

Question

namespace app\index\controller;
use app\index\model\Teacher as TeacherModel;
use think\Request;
use app\index\model\Grade;
class Teacher extends Base
{
    //教師清單
    public function  teacherList()
    {  //取得所有教師表中資料表
      #        //取得記錄數量

        $count = TeacherModel::count();

        //  •           $data = [
                'id' => $value->id,  //主鍵
                'degree' => $value-> ;degree,  //學歷
                'school' => $value->school,  //畢業學校
  
                ' hiredate' => $value->hiredate,  //入職時間
                'status' => 訪問grade表中資料
                'grade' => isset($value->grade->name)? $value->grade->name : '<red->name)? $value->grade->name : '<red->name)? $value->grade->name : '<red;span"="color:redred; ;未分配</span>',
            ];
           ),        }

        $this -> view -> assign('teacherList', $teacherList);
        $this -> view ->assign('count', $#.#. //設定目前頁面的seo範本變數

        $this->view->assign('title','編輯班級');

        $this->view->assign('keywords'assign('keywords' ,'php.cn');
        $this->view->assign('desc','PHP中文網ThinkPHP5發展實戰課程');

       return $this ->

#   -> fetch('teacher_list');

    }

#