diff --git a/messages/de/yii2mod.settings.php b/messages/de/yii2mod.settings.php
index 1a078a4..be2c63a 100644
--- a/messages/de/yii2mod.settings.php
+++ b/messages/de/yii2mod.settings.php
@@ -24,8 +24,8 @@
     'Value' => 'Wert',
     'Status' => 'Status',
     'Description' => 'Beschreibung',
-    'Created date' => 'Erstellungsdatum',
-    'Updated date' => 'Änderungsdatum',
+    'Created Date' => 'Erstellungsdatum',
+    'Updated Date' => 'Änderungsdatum',
     'Settings' => 'Einstellungen',
     'Create Setting' => 'Einstellung hinzufügen',
     'Select Type' => 'Typ auswählen',
diff --git a/messages/en/yii2mod.settings.php b/messages/en/yii2mod.settings.php
index a2dfcc5..af87076 100644
--- a/messages/en/yii2mod.settings.php
+++ b/messages/en/yii2mod.settings.php
@@ -24,8 +24,8 @@
     'Value' => 'Value',
     'Status' => 'Status',
     'Description' => 'Description',
-    'Created date' => 'Created date',
-    'Updated date' => 'Updated date',
+    'Created Date' => 'Created Date',
+    'Updated Date' => 'Updated Date',
     'Settings' => 'Settings',
     'Create Setting' => 'Create Setting',
     'Select Type' => 'Select Type',
diff --git a/messages/ru/yii2mod.settings.php b/messages/ru/yii2mod.settings.php
index 4afe736..b80853d 100644
--- a/messages/ru/yii2mod.settings.php
+++ b/messages/ru/yii2mod.settings.php
@@ -24,8 +24,8 @@
     'Value' => 'Значение',
     'Status' => 'Статус',
     'Description' => 'Описание',
-    'Created date' => 'Дата создания',
-    'Updated date' => 'Дата обновления',
+    'Created Date' => 'Дата Создания',
+    'Updated Date' => 'Дата Обновления',
     'Settings' => 'Настройки',
     'Create Setting' => 'Создать Настройку',
     'Select Type' => 'Выберите Тип',
diff --git a/messages/uk/yii2mod.settings.php b/messages/uk/yii2mod.settings.php
index 7b3bb3e..119cad5 100644
--- a/messages/uk/yii2mod.settings.php
+++ b/messages/uk/yii2mod.settings.php
@@ -24,8 +24,8 @@
     'Value' => 'Значення',
     'Status' => 'Статус',
     'Description' => 'Опис',
-    'Created date' => 'Дата створення',
-    'Updated date' => 'Дата поновлення',
+    'Created Date' => 'Дата Створення',
+    'Updated Date' => 'Дата Поновлення',
     'Settings' => 'Налаштування',
     'Create Setting' => 'Створити Налаштування',
     'Select Type' => 'Виберіть Тип',
diff --git a/migrations/m170413_125133_rename_date_columns.php b/migrations/m170413_125133_rename_date_columns.php
new file mode 100644
index 0000000..ec350bd
--- /dev/null
+++ b/migrations/m170413_125133_rename_date_columns.php
@@ -0,0 +1,29 @@
+<?php
+
+use yii\db\Migration;
+
+class m170413_125133_rename_date_columns extends Migration
+{
+    public function up()
+    {
+        $this->renameColumn('{{%setting}}', 'createdAt', 'created_at');
+        $this->renameColumn('{{%setting}}', 'updatedAt', 'updated_at');
+    }
+
+    public function down()
+    {
+        $this->renameColumn('{{%setting}}', 'created_at', 'createdAt');
+        $this->renameColumn('{{%setting}}', 'updated_at', 'updatedAt');
+    }
+
+    /*
+    // Use safeUp/safeDown to run migration code within a transaction
+    public function safeUp()
+    {
+    }
+
+    public function safeDown()
+    {
+    }
+    */
+}
diff --git a/models/SettingModel.php b/models/SettingModel.php
index ac37972..8054bd9 100644
--- a/models/SettingModel.php
+++ b/models/SettingModel.php
@@ -10,7 +10,7 @@
 use yii2mod\settings\models\enumerables\SettingType;
 
 /**
- * This is the model class for table "Settings".
+ * This is the model class for table "{{%setting}}".
  *
  * @property int $id
  * @property string $type
@@ -19,8 +19,8 @@
  * @property string $value
  * @property bool $status
  * @property string $description
- * @property string $createdAt
- * @property string $updatedAt
+ * @property string $created_at
+ * @property string $updated_at
  */
 class SettingModel extends ActiveRecord
 {
@@ -62,8 +62,8 @@ public function attributeLabels()
             'value' => Yii::t('yii2mod.settings', 'Value'),
             'status' => Yii::t('yii2mod.settings', 'Status'),
             'description' => Yii::t('yii2mod.settings', 'Description'),
-            'createdAt' => Yii::t('yii2mod.settings', 'Created date'),
-            'updatedAt' => Yii::t('yii2mod.settings', 'Updated date'),
+            'created_at' => Yii::t('yii2mod.settings', 'Created Date'),
+            'updated_at' => Yii::t('yii2mod.settings', 'Updated Date'),
         ];
     }
 
@@ -73,11 +73,7 @@ public function attributeLabels()
     public function behaviors()
     {
         return [
-            'timestamp' => [
-                'class' => TimestampBehavior::class,
-                'createdAtAttribute' => 'createdAt',
-                'updatedAtAttribute' => 'updatedAt',
-            ],
+            TimestampBehavior::class,
         ];
     }
 
diff --git a/models/search/SettingSearch.php b/models/search/SettingSearch.php
index 19b24c4..57c814b 100644
--- a/models/search/SettingSearch.php
+++ b/models/search/SettingSearch.php
@@ -30,11 +30,11 @@ public function rules()
     /**
      * Creates data provider instance with search query applied
      *
-     * @param $params
+     * @param array $params
      *
      * @return ActiveDataProvider
      */
-    public function search($params)
+    public function search(array $params)
     {
         $query = self::find();
 
diff --git a/tests/TestCase.php b/tests/TestCase.php
index c2d9275..1b3e0a3 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -107,8 +107,8 @@ protected function setupTestDbData()
             'value' => 'text not null',
             'status' => 'smallint not null default 1',
             'description' => 'string',
-            'createdAt' => 'integer not null',
-            'updatedAt' => 'integer not null',
+            'created_at' => 'integer not null',
+            'updated_at' => 'integer not null',
         ])->execute();
     }
 }