We have been working on this project for half a year. There was no problem before. Since last Saturday, all interfaces have been prompted  
  
:
laravel5.5return view()iview-adminnodelaravelapi.php ;;oAuth
bladephp
:
 
 
error details
  "exceptions": {
    "count": 1,
    "exceptions": [
      {
        "type": "Illuminate\\Auth\\AuthenticationException",
        "message": "Unauthenticated.",
        "code": 0,
        "file": "D:\\jeff\\code\\jianwen\\vendor\\laravel\\framework\\src\\Illuminate\\Auth\\Middleware\\Authenticate.php",
        "line": 66,
        "surrounding_lines": [
          "            }\n",
          "        }\n",
          "\n",
          "        throw new AuthenticationException("Unauthenticated.", $guards);\n",
          "    }\n",
          "}\n"
        ],
        "xdebug_link": null
      }
    ]
  },
to meet the needs of the respondent, post the auth code
<?php
return [
    /*
    |--------------------------------------------------------------------------
    | Authentication Defaults
    |--------------------------------------------------------------------------
    |
    | This option controls the default authentication "guard" and password
    | reset options for your application. You may change these defaults
    | as required, but they"re a perfect start for most applications.
    |
    */
    "defaults" => [
        "guard" => "web",
        "passwords" => "users",
    ],
    /*
    |--------------------------------------------------------------------------
    | Authentication Guards
    |--------------------------------------------------------------------------
    |
    | Next, you may define every authentication guard for your application.
    | Of course, a great default configuration has been defined for you
    | here which uses session storage and the Eloquent user provider.
    |
    | All authentication drivers have a user provider. This defines how the
    | users are actually retrieved out of your database or other storage
    | mechanisms used by this application to persist your user"s data.
    |
    | Supported: "session", "token"
    |
    */
    "guards" => [
        "web" => [
            "driver" => "session",
            "provider" => "users",
        ],
        "api" => [
            // jhc 
            "driver" => "passport",
            "provider" => "users",
        ],
    ],
    /*
    |--------------------------------------------------------------------------
    | JUser Providers
    |--------------------------------------------------------------------------
    |
    | All authentication drivers have a user provider. This defines how the
    | users are actually retrieved out of your database or other storage
    | mechanisms used by this application to persist your user"s data.
    |
    | If you have multiple user tables or models you may configure multiple
    | sources which represent each model / table. These sources may then
    | be assigned to any extra authentication guards you have defined.
    |
    | Supported: "database", "eloquent"
    |
    */
    "providers" => [
        "users" => [
            "driver" => "eloquent",
            "model" => App\Models\User::class,//jhc 
        ],
        // "users" => [
        //     "driver" => "database",
        //     "table" => "users",
        // ],
    ],
    /*
    |--------------------------------------------------------------------------
    | Resetting Passwords
    |--------------------------------------------------------------------------
    |
    | You may specify multiple password reset configurations if you have more
    | than one user table or model in the application and you want to have
    | separate password reset settings based on the specific user types.
    |
    | The expire time is the number of minutes that the reset token should be
    | considered valid. This security feature keeps tokens short-lived so
    | they have less time to be guessed. You may change this as needed.
    |
    */
    "passwords" => [
        "users" => [
            "provider" => "users",
            "table" => "password_resets",
            "expire" => 60,
        ],
    ],
    // jhc 
    "agent" => [
        "agent_id" => env("AUTH_AGENT_ID", ""),
        "redirect_url" => env("AUTH_REDIRECT_URL", ""),
        "platform_url" => env("AUTH_PALTFORM_URL", ""),
        "gateway_url" => env("AUTH_GATEWAY_URL", ""),
        "corp_user_api" => "auth_user",
        "corp_token_api" => "corp_tokens",
        "corp_info" => "auth_corp",
        "token" => env("AUTH_TOKEN", ""),
        "encoding_key" => env("AUTH_ENCODING_KEY", "")
    ],
];
