hainan/app/Http/Controllers/Api/CategoryController.php

<?php

namespace App\Http\Controllers\Api;
use App\Http\Controllers\Controller;
use App\Models\Category;

class CategoryController extends Controller
{
    public function index()
	{
		$list = Category::query()
			->where('agent_id', $this->agent_id)
			->orderBy('sort')
			->get(['id', 'name']);
		return $this->success($list);
	}
}