diff --git a/.travis.yml b/.travis.yml
index b2748c1..580ed9d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,5 @@
 language: php
 php:
-  - 7.0
   - 7.1
   - 7.2
   - master
diff --git a/application/modules/media/config.php b/application/configs/default/module.media.php
similarity index 100%
rename from application/modules/media/config.php
rename to application/configs/default/module.media.php
diff --git a/application/models/Media/Grid.php b/application/models/Media/Grid.php
index 1fd293e..e6b6ec5 100644
--- a/application/models/Media/Grid.php
+++ b/application/models/Media/Grid.php
@@ -21,11 +21,9 @@ class Grid extends \Bluz\Grid\Grid
     protected $uid = 'options';
 
     /**
-     * init
-     *
-     * @return self
+     * {@inheritdoc}
      */
-    public function init()
+    public function init() : void
     {
         // Array
         $adapter = new SqlSource();
@@ -41,7 +39,5 @@ public function init()
         $this->setDefaultLimit(25);
         $this->setAllowOrders(['id', 'login', 'title', 'type', 'created', 'deleted']);
         $this->setAllowFilters(['userId', 'title', 'file']);
-
-        return $this;
     }
 }
diff --git a/application/models/Media/Manager.php b/application/models/Media/Manager.php
index cdff2c1..935e65c 100644
--- a/application/models/Media/Manager.php
+++ b/application/models/Media/Manager.php
@@ -9,8 +9,8 @@
 namespace Application\Media;
 
 use Application\Users;
-use Bluz\Application\Exception\BadRequestException;
 use Bluz\Config\ConfigException;
+use Bluz\Http\Exception\BadRequestException;
 use Bluz\Proxy\Auth;
 use Bluz\Proxy\Config;
 use Image\Thumbnail;
@@ -62,7 +62,7 @@ public function __construct($media, $file)
     {
         $this->media = $media;
         $this->media->module = $this->media->module ?: 'users';
-        $this->media->userId = $this->media->userId ?: Auth::getIdentity()->id ?: Users\Table::SYSTEM_USER;
+        $this->media->userId = $this->media->userId ?: Auth::getIdentity()->getId() ?: Users\Table::SYSTEM_USER;
 
         $this->file = $file;
         $this->name = $media->title ?? pathinfo($file->getClientFilename(), PATHINFO_FILENAME);
@@ -81,7 +81,7 @@ public function __construct($media, $file)
      */
     public function moveToDir($directory)
     {
-        $uploadPath = Config::getModuleData('media', 'upload_path');
+        $uploadPath = Config::get('module.media', 'upload_path');
 
         if (empty($uploadPath)) {
             throw new ConfigException('Upload path is not configured');
diff --git a/application/models/Media/Row.php b/application/models/Media/Row.php
index bf6bb1d..8d07125 100644
--- a/application/models/Media/Row.php
+++ b/application/models/Media/Row.php
@@ -37,7 +37,7 @@ class Row extends \Bluz\Db\Row
     /**
      * {@inheritdoc}
      */
-    protected function beforeSave()
+    protected function beforeSave() : void
     {
         $this->addValidator('title')
             ->required()
@@ -49,7 +49,7 @@ protected function beforeSave()
      *
      * @return void
      */
-    protected function beforeInsert()
+    protected function beforeInsert() : void
     {
         $this->created = gmdate('Y-m-d H:i:s');
 
@@ -59,7 +59,7 @@ protected function beforeInsert()
         }
         // set user ID
         if ($user = Auth::getIdentity()) {
-            $this->userId = $user->id;
+            $this->userId = $user->getId();
         } else {
             $this->userId = Users\Table::SYSTEM_USER;
         }
@@ -70,7 +70,7 @@ protected function beforeInsert()
      *
      * @return void
      */
-    protected function beforeUpdate()
+    protected function beforeUpdate() : void
     {
         $this->updated = gmdate('Y-m-d H:i:s');
     }
@@ -80,7 +80,7 @@ protected function beforeUpdate()
      *
      * @return void
      */
-    protected function afterDelete()
+    protected function afterDelete() : void
     {
         $this->deleteFiles();
     }
diff --git a/application/models/Media/Table.php b/application/models/Media/Table.php
index f7ce7e8..7d5e337 100644
--- a/application/models/Media/Table.php
+++ b/application/models/Media/Table.php
@@ -32,7 +32,7 @@ class Table extends \Bluz\Db\Table
      * Primary key(s)
      * @var array
      */
-    protected $primary = array('id');
+    protected $primary = ['id'];
 
     /**
      * Get images of current user
@@ -42,12 +42,12 @@ class Table extends \Bluz\Db\Table
      */
     public function getImages()
     {
-        /** @var Row $user */
+        /* @var \Application\Users\Row $user */
         if (!$user = Auth::getIdentity()) {
             throw new Exception('User not found');
         }
 
-        return $this->getImagesByUserId($user->id);
+        return $this->getImagesByUserId($user->getId());
     }
 
     /**
diff --git a/application/modules/media/controllers/crud.php b/application/modules/media/controllers/crud.php
index da45044..da415ed 100644
--- a/application/modules/media/controllers/crud.php
+++ b/application/modules/media/controllers/crud.php
@@ -57,7 +57,7 @@
     $result = $crudController->run();
 
     // back to grid after create or update media file
-    if (Request::isPost() || Request::isPut()) {
+    if ((Request::isPost() || Request::isPut()) && !Request::isXmlHttpRequest()) {
         Response::reload();
     }
 
diff --git a/application/modules/media/controllers/upload.php b/application/modules/media/controllers/upload.php
index 3925b80..02d9280 100644
--- a/application/modules/media/controllers/upload.php
+++ b/application/modules/media/controllers/upload.php
@@ -11,7 +11,7 @@
  */
 namespace Application;
 
-use Bluz\Application\Exception\BadRequestException;
+use Bluz\Http\Exception\BadRequestException;
 use Bluz\Config\ConfigException;
 use Bluz\Controller\Controller;
 use Bluz\Proxy\Request;
diff --git a/application/modules/media/views/crud.phtml b/application/modules/media/views/crud.phtml
index 90e7fef..6cb9268 100644
--- a/application/modules/media/views/crud.phtml
+++ b/application/modules/media/views/crud.phtml
@@ -4,7 +4,9 @@
  */
 ?>
 <?php $uid = uniqid('form_', false); ?>
-<form id="<?=$uid?>" action="<?=$this->url('media', 'crud')?>" class="form-horizontal" method="POST" enctype="multipart/form-data">
+<form id="<?=$uid?>" action="<?=$this->url('media', 'crud')?>"
+      class="form-horizontal" method="POST"
+  <?= ($method==='PUT'?'data-ajax':'enctype="multipart/form-data"') ?>>
   <input type="hidden" name="_method" value="<?=$method?>"/>
   <input type="hidden" name="id" value="<?=$row->id?>"/>
   <div class="modal-content">
diff --git a/application/modules/media/views/grid.phtml b/application/modules/media/views/grid.phtml
index 55365c1..092543a 100644
--- a/application/modules/media/views/grid.phtml
+++ b/application/modules/media/views/grid.phtml
@@ -42,7 +42,7 @@ if (!$grid) {
   <hr style="display: block; clear: both"/>
   <div class="card-deck">
     <?php foreach ($grid->getData() as $row) : ?>
-    <div class="card mb-3" style="min-width: 240px; max-width: 240px">
+    <div class="card mb-3">
       <a href="<?= $this->baseUrl($row['file']) ?>" data-ajax-preview>
         <img class="card-img-top" src="<?= $this->baseUrl($row['thumb']) ?>" alt="<?= esc($row['title']) ?>">
       </a>
diff --git a/composer.json b/composer.json
index 13e4221..222a331 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
   },
   "extra": {
     "copy-files": {
-      "enyo/dropzone/dist/min/dropzone-amd-module.min.js": "public/js/vendor/dropzone-amd-module.min.js"
+      "enyo/dropzone/dist/": "public/vendor/dropzone-amd-module/"
     }
   }
 }
diff --git a/public/css/media.css b/public/css/media.css
index a46649f..fa44040 100644
--- a/public/css/media.css
+++ b/public/css/media.css
@@ -23,4 +23,15 @@
   max-height: 480px;
   overflow-y: scroll;
   border: 2px dashed rgba(0, 0, 0, 0.1);
+}
+
+.card-deck .card {
+  min-width: 240px;
+  max-width: 240px
+}
+
+.card-deck .card-img-top {
+  /*display: block;
+  min-width: 196px;
+  max-width: 196px*/
 }
\ No newline at end of file
diff --git a/public/js/bluz.media.js b/public/js/bluz.media.js
index 273a4aa..27bbe54 100644
--- a/public/js/bluz.media.js
+++ b/public/js/bluz.media.js
@@ -8,7 +8,7 @@
  *  - push.data.bluz
  */
 /* global define,require*/
-define(['jquery', 'bluz', 'bluz.notify', 'dropzone'], function ($, bluz, notify, Dropzone) {
+define(['jquery', 'bluz', 'bluz.ajax', 'bluz.notify', 'dropzone'], function ($, bluz, ajax, notify, Dropzone) {
   'use strict';
 
   // Media object
@@ -36,7 +36,7 @@ define(['jquery', 'bluz', 'bluz.notify', 'dropzone'], function ($, bluz, notify,
 
     // hookup for delete click
     media.$previews.on('success.bluz.ajax', 'a[data-ajax-method=delete]', function () {
-      $(this).parents('div.image-preview').remove();
+      $(this).parents('div.card').remove();
     });
   };
 
@@ -59,11 +59,11 @@ define(['jquery', 'bluz', 'bluz.notify', 'dropzone'], function ($, bluz, notify,
     })
     .on('processing', () => {
       // use element similar to bluz.ajax
-      bluz.showLoading();
+      ajax.showLoading();
       media.$progress.removeAttr('hidden');
     })
     .on('complete', () => {
-      bluz.hideLoading();
+      ajax.hideLoading();
       media.$progress.attr('hidden', '1');
       media.$upload.stop(true, true);
     })
diff --git a/tests/unit/modules/media/controllers/CrudTest.php b/tests/unit/modules/media/controllers/CrudTest.php
index f6335bc..fab27f3 100644
--- a/tests/unit/modules/media/controllers/CrudTest.php
+++ b/tests/unit/modules/media/controllers/CrudTest.php
@@ -20,6 +20,7 @@
 use Bluz\Proxy\Config;
 use Bluz\Proxy\Db;
 use Bluz\Proxy\Request;
+use Bluz\Proxy\Response;
 use Zend\Diactoros\UploadedFile;
 
 /**
@@ -49,9 +50,15 @@ public function setUp()
      */
     public static function tearDownAfterClass()
     {
-        Db::delete('media')->where('userId = ?', 1)->execute();
-        $path = Config::getModuleData('media', 'upload_path').'/1';
-        Tools\Cleaner::delete($path);
+        // need to connect to DB
+        self::getApp();
+        {
+            Db::delete('media')->where('userId = ?', 1)->execute();
+            $path = Config::get('module.media', 'upload_path').'/1';
+            Tools\Cleaner::delete($path);
+        }
+        self::resetApp();
+        self::resetGlobals();
     }
 
     /**
@@ -60,7 +67,7 @@ public static function tearDownAfterClass()
     public function testUploadFile()
     {
         // get path from config
-        $path = Config::getData('temp', 'path');
+        $path = Config::get('temp', 'path');
         if (empty($path)) {
             throw new Exception('Temporary path is not configured');
         }
@@ -97,14 +104,6 @@ public function testCreateForm()
      */
     public function testEditForm()
     {
-        /*
-        $this->dispatchRouter('/media/crud/', ['id' => 1]);
-        self::assertOk();
-
-        self::assertQueryCount('form[method="PUT"]', 1);
-
-        self::assertQueryCount('input[name="id"][value="1"]', 1);
-        */
         // Remove the following lines when you implement this test.
         // Need to create element with ID
         self::markTestIncomplete(