dinggo +jwt 写登录ap报错，请大家批评一下

错误

开发环境

用dinggo和jwt开发登录网页出现上述错误，php版本7.4，laravel框架。

项目代码

<?php
namespace Api\PrintCodeControllers;

use App\Models\User;
use App\Http\Requests\RegisterAuthRequest;
use Api\Controllers\BaseController;
use Illuminate\Http\Request;
use JWTAuth;
use Tymon\JWTAuth\Exceptions\JWTException;

class LoginController extends BaseController
{
    public function register(RegisterAuthRequest $request)
    {
        $user = new User();
        $user->username = $request->username;
        $user->password = bcrypt($request->password);
        $user->save();
    }
    public function login(Request $request)
    {
        $input = $request->only('username', 'password');
        $jwt_token = null;

        if(!$jwt_token = JWTAuth::attempt($input))
        {

            return response()->json([
                'success'=> false,
                'message'=> 'Invalid Username or Password',
            ],401);
        }
        return response()->json([
            'success' => true,
            'token' => $jwt_token,
        ]);
    }
}