shorty/app/Api/routes.php

<?php
$app = app()->router;

/**
 * pc 无需auth路由
 * */
$app->group([
    'namespace' => 'App\Api\Controllers',
    'prefix' => 'api',
], function () use ($app) {
    // 生成短地址
    $app->get('/short', ['uses' => 'ApiController@getShortUrl']);
    $app->post('/short', ['uses' => 'ApiController@getShortUrl']);
});

$app->group([
    'namespace' => 'App\Api\Controllers',
    'prefix' => ''
], function () use ($app) {
    $app->get('/{plink:[A-Za-z0-9]+}',[
        'as' => 'moduleIndex', 'uses' => 'IndexController@index'
    ]);
});