bug fixing

common/helpers/CorsCustom.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace common\helpers;
+use Yii;
+
+use yii\filters\Cors;
+
+
+class CorsCustom extends Cors
+{
+
+    public function beforeAction($action){
+
+        parent::beforeAction($action);
+
+        if (Yii::$app->getRequest()->getMethod() === 'OPTIONS') {
+            Yii::$app->getResponse()->getHeaders()->set('Allow', 'POST GET PUT');
+            Yii::$app->end();
+        }
+
+        return true;
+
+    }
+
+}