fastadmin列表分类问题

控制器

    public function index()
        {
            $this->relationSearch = true;
    
                $list = $this->model
                    ->with("category")
                    ->field('home_articles.*,category.name as category_id')
                    ->where($where)
                    ->paginate($limit);
    }
    
    public function searchlist()
    {
        $categoryList = collection(CategoryModel::where(['status'=>'normal'])->select())->toArray();
        Tree::instance()->init($categoryList);
        $searchlist = [];
        $result = Tree::instance()->getTreeList(Tree::instance()->getTreeArray(0));
        foreach ($result as $k => $v) {
            $searchlist[] = ['id' => $v['id'], 'name' => $v['name']];
        }
        return json($searchlist);
    }

模型

public function category()
   {
        return $this->belongsTo('Category', 'category_id')->setEagerlyType(0);
    }

js

{field: 'category_id', title: __('Category_id'),searchList:$.getJSON("home_articles/searchlist")},