qyadmin/routes/weixin.php

<?php

/*
|--------------------------------------------------------------------------
| Web Routes
|--------------------------------------------------------------------------
|
| Here is where you can register web routes for your application. These
| routes are loaded by the RouteServiceProvider within a group which
| contains the "web" middleware group. Now create something great!
|
*/

Route::any('checkForWx', 'Api\WeixinController@checkForWx');

Route::group(['middleware'=> ['checkWeixin']],function ($route){

});