添加路由

app/Http/routes.php

@@ -75,6 +75,8 @@ Route::group(['middleware' => 'web'], function () {
     Route::match(['get', 'post'], '/tempcount',               'OrderController@tempCount');
 
     Route::post('/ajaxDownloadContract',                      'OrderController@ajaxDownloadContract');
+       
+    Route::post('/ajaxInputCancelReason',                     'OrderController@ajaxInputCancelReason');
 
 });