_subscribe.php

common/modules/blog/views/post/_subscribe.php

 <?php
 use yii\widgets\ActiveForm;
+use yii\helpers\Url;
 use yii\helpers\Html;
 use \common\modules\blog\models\BlogBids;
 
@@ -18,7 +19,7 @@ if ($cacheEmail!==false && BlogBids::find()->where(['email' => $cacheEmail])->ex
     $model = new BlogBids;
 
     $form = ActiveForm::begin([
-        'action' => '/blog/blog-bid/add',
+        'action' => Url::to(['blog-bid/add']),
         'enableClientValidation' => false,
         'options' => [
             'class' => 'subsc_blog_form blog-bid-form',