diff --git a/CHANGELOG.md b/CHANGELOG.md
index 782dd45..8ba2d8e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,8 +2,10 @@
 
 ## 1.1.1 - Work in progress
 - Bug #106: Correct exception value returned in `MailEvent::getException` (kartik-v)
-- Enh #99: Added German translation (jkmssoft)
+- Enh #99:  Added German translation (jkmssoft)
 - Enh #100: Added pt-BR translation (gugoan)
+- Enh #105: Consolidate 2fa messages (maxxer)
+- Fix #108: Use main logger app (tonydspaniard)
 
 ## 1.1.0 - October 22, 2017
 - Enh #91: Documentation for Mail events (kartik-v)
diff --git a/src/User/Bootstrap.php b/src/User/Bootstrap.php
index 0f36307..7386ce2 100644
--- a/src/User/Bootstrap.php
+++ b/src/User/Bootstrap.php
@@ -20,6 +20,7 @@ use yii\authclient\Collection;
 use yii\base\Application;
 use yii\base\BootstrapInterface;
 use yii\base\Exception;
+use yii\base\InvalidConfigException;
 use yii\console\Application as ConsoleApplication;
 use yii\i18n\PhpMessageSource;
 use yii\web\Application as WebApplication;
@@ -161,6 +162,8 @@ class Bootstrap implements BootstrapInterface
      * Registers module translation messages.
      *
      * @param Application $app
+     *
+     * @throws InvalidConfigException
      */
     protected function initTranslations(Application $app)
     {
@@ -177,6 +180,8 @@ class Bootstrap implements BootstrapInterface
      * Ensures the auth manager is the one provided by the library.
      *
      * @param Application $app
+     *
+     * @throws InvalidConfigException
      */
     protected function initAuthManager(Application $app)
     {
@@ -194,6 +199,8 @@ class Bootstrap implements BootstrapInterface
      * Initializes web url routes (rules in Yii2).
      *
      * @param WebApplication $app
+     *
+     * @throws InvalidConfigException
      */
     protected function initUrlRoutes(WebApplication $app)
     {
@@ -236,6 +243,8 @@ class Bootstrap implements BootstrapInterface
      * Ensures the authCollection component is configured.
      *
      * @param WebApplication $app
+     *
+     * @throws InvalidConfigException
      */
     protected function initAuthCollection(WebApplication $app)
     {
diff --git a/src/User/Component/AuthDbManagerComponent.php b/src/User/Component/AuthDbManagerComponent.php
index 7422e58..49f7686 100644
--- a/src/User/Component/AuthDbManagerComponent.php
+++ b/src/User/Component/AuthDbManagerComponent.php
@@ -68,7 +68,6 @@ class AuthDbManagerComponent extends DbManager implements AuthManagerInterface
         $roles = [];
         foreach ($query->all($this->db) as $row) {
             $roles[$row['name']] = $this->populateItem($row);
-            $roles[$row['name']] = $this->populateItem($row);
         }
 
         return $roles;
diff --git a/src/User/Component/ReCaptchaComponent.php b/src/User/Component/ReCaptchaComponent.php
index 31f57a5..62009a2 100644
--- a/src/User/Component/ReCaptchaComponent.php
+++ b/src/User/Component/ReCaptchaComponent.php
@@ -29,6 +29,8 @@ class ReCaptchaComponent extends Component
 
     /**
      * @inheritdoc
+     *
+     * @throws InvalidConfigException
      */
     public function init()
     {
diff --git a/src/User/Event/MailEvent.php b/src/User/Event/MailEvent.php
index 89f6288..8ebe5f8 100644
--- a/src/User/Event/MailEvent.php
+++ b/src/User/Event/MailEvent.php
@@ -15,11 +15,6 @@ use Da\User\Model\User;
 use Da\User\Service\MailService;
 use yii\base\Event;
 
-/**
- * Mailer event to trap and handle mail exceptions for user model actions
- *
- * @author Kartik Visweswaran <kartikv2@gmail.com>
- */
 class MailEvent extends Event
 {
     const TYPE_WELCOME = 'welcome';
diff --git a/src/User/Event/ProfileEvent.php b/src/User/Event/ProfileEvent.php
index 7a19f29..902c276 100644
--- a/src/User/Event/ProfileEvent.php
+++ b/src/User/Event/ProfileEvent.php
@@ -22,7 +22,7 @@ class ProfileEvent extends Event
     {
         $this->profile = $profile;
 
-        return parent::__construct($config);
+        parent::__construct($config);
     }
 
     public function getProfile()
diff --git a/src/User/Factory/MailFactory.php b/src/User/Factory/MailFactory.php
index aea6550..f8a4733 100644
--- a/src/User/Factory/MailFactory.php
+++ b/src/User/Factory/MailFactory.php
@@ -17,13 +17,8 @@ use Da\User\Model\User;
 use Da\User\Module;
 use Da\User\Service\MailService;
 use Yii;
+use yii\base\InvalidConfigException;
 
-/**
- * Class MailFactory
- *
- * @package Da\User\Factory
- * @modified 2017-10-18 by Kartik Visweswaran <kartikv2@gmail.com>
- */
 class MailFactory
 {
     /**
@@ -126,6 +121,8 @@ class MailFactory
      * @param array  $params
      *
      * @return MailService
+     *
+     * @throws InvalidConfigException
      */
     public static function makeMailerService($type, $from, $to, $subject, $view, $params = [])
     {
diff --git a/src/User/Form/LoginForm.php b/src/User/Form/LoginForm.php
index c708a85..9d8ae25 100644
--- a/src/User/Form/LoginForm.php
+++ b/src/User/Form/LoginForm.php
@@ -11,6 +11,7 @@
 
 namespace Da\User\Form;
 
+use Da\TwoFA\Exception\InvalidSecretKeyException;
 use Da\User\Helper\SecurityHelper;
 use Da\User\Model\User;
 use Da\User\Query\UserQuery;
@@ -79,6 +80,8 @@ class LoginForm extends Model
 
     /**
      * {@inheritdoc}
+     *
+     * @throws InvalidSecretKeyException
      */
     public function rules()
     {
diff --git a/src/User/Form/RegistrationForm.php b/src/User/Form/RegistrationForm.php
index e45bbeb..09e0af2 100644
--- a/src/User/Form/RegistrationForm.php
+++ b/src/User/Form/RegistrationForm.php
@@ -37,6 +37,8 @@ class RegistrationForm extends Model
 
     /**
      * {@inheritdoc}
+     *
+     * @throws \Exception
      */
     public function rules()
     {
diff --git a/src/User/Form/SettingsForm.php b/src/User/Form/SettingsForm.php
index 25a9b3d..a49108e 100644
--- a/src/User/Form/SettingsForm.php
+++ b/src/User/Form/SettingsForm.php
@@ -17,6 +17,7 @@ use Da\User\Model\User;
 use Da\User\Traits\ContainerAwareTrait;
 use Da\User\Traits\ModuleAwareTrait;
 use Yii;
+use yii\base\InvalidConfigException;
 use yii\base\Model;
 
 class SettingsForm extends Model
@@ -60,6 +61,9 @@ class SettingsForm extends Model
 
     /**
      * @return array
+     *
+     * @throws InvalidConfigException
+     * @throws \Exception
      */
     public function rules()
     {
@@ -75,7 +79,7 @@ class SettingsForm extends Model
                 ['email', 'username'],
                 'unique',
                 'when' => function ($model, $attribute) {
-                    return $this->getUser()->$attribute != $model->$attribute;
+                    return $this->getUser()->$attribute !== $model->$attribute;
                 },
                 'targetClass' => $this->getClassMap()->get(User::class),
             ],
@@ -110,7 +114,7 @@ class SettingsForm extends Model
      */
     public function getUser()
     {
-        if ($this->user == null) {
+        if (null === $this->user) {
             $this->user = Yii::$app->user->identity;
         }
 
@@ -121,6 +125,8 @@ class SettingsForm extends Model
      * Saves new account settings.
      *
      * @return bool
+     *
+     * @throws \Exception
      */
     public function save()
     {
@@ -130,9 +136,9 @@ class SettingsForm extends Model
                 $user->scenario = 'settings';
                 $user->username = $this->username;
                 $user->password = $this->new_password;
-                if ($this->email == $user->email && $user->unconfirmed_email != null) {
+                if ($this->email === $user->email && $user->unconfirmed_email !== null) {
                     $user->unconfirmed_email = null;
-                } elseif ($this->email != $user->email) {
+                } elseif ($this->email !== $user->email) {
                     $strategy = EmailChangeStrategyFactory::makeByStrategyType(
                         $this->getModule()->emailChangeStrategy,
                         $this
diff --git a/src/User/Helper/AuthHelper.php b/src/User/Helper/AuthHelper.php
index 651e560..e85e191 100644
--- a/src/User/Helper/AuthHelper.php
+++ b/src/User/Helper/AuthHelper.php
@@ -56,7 +56,7 @@ class AuthHelper
             ? Yii::$app->getUser()->can($module->administratorPermissionName)
             : false;
 
-        return $hasAdministratorPermissionName || in_array($username, $module->administrators);
+        return $hasAdministratorPermissionName || in_array($username, $module->administrators, false);
     }
 
     /**
@@ -99,7 +99,7 @@ class AuthHelper
     public function getUnassignedItems(AbstractAuthItem $model)
     {
         $excludeItems = $model->item !== null ? [$model->item->name] : [];
-        $type = $model->getType() == Permission::TYPE_PERMISSION ? Permission::TYPE_PERMISSION : null;
+        $type = $model->getType() === Permission::TYPE_PERMISSION ? Permission::TYPE_PERMISSION : null;
         $items = $this->getAuthManager()->getItems($type, $excludeItems);
 
         return ArrayHelper::map(
diff --git a/src/User/Helper/ClassMapHelper.php b/src/User/Helper/ClassMapHelper.php
index fac9a3d..cd9c6d7 100644
--- a/src/User/Helper/ClassMapHelper.php
+++ b/src/User/Helper/ClassMapHelper.php
@@ -11,14 +11,6 @@
 
 namespace Da\User\Helper;
 
-/**
- * ModelMapHelper.php.
- *
- * Date: 3/12/16
- * Time: 18:10
- *
- * @author Antonio Ramirez <hola@2amigos.us>
- */
 class ClassMapHelper
 {
     protected $map = [];
diff --git a/src/User/Helper/MigrationHelper.php b/src/User/Helper/MigrationHelper.php
index ed30648..38a37eb 100644
--- a/src/User/Helper/MigrationHelper.php
+++ b/src/User/Helper/MigrationHelper.php
@@ -19,6 +19,8 @@ class MigrationHelper
      * @param string $driverName
      *
      * @return null|string
+     *
+     * @throws RuntimeException
      */
     public static function resolveTableOptions($driverName)
     {
@@ -39,6 +41,8 @@ class MigrationHelper
      * @param $driverName
      *
      * @return string
+     *
+     * @throws RuntimeException
      */
     public static function resolveDbType($driverName)
     {
@@ -60,9 +64,11 @@ class MigrationHelper
      * @param string $driverName
      *
      * @return bool
+     *
+     * @throws RuntimeException
      */
     public static function isMicrosoftSQLServer($driverName)
     {
-        return self::resolveDbType($driverName) == 'sqlsrv';
+        return self::resolveDbType($driverName) === 'sqlsrv';
     }
 }
diff --git a/src/User/Helper/SecurityHelper.php b/src/User/Helper/SecurityHelper.php
index babff35..c68163e 100644
--- a/src/User/Helper/SecurityHelper.php
+++ b/src/User/Helper/SecurityHelper.php
@@ -11,6 +11,7 @@
 
 namespace Da\User\Helper;
 
+use yii\base\Exception;
 use yii\base\Security;
 
 class SecurityHelper
@@ -32,12 +33,23 @@ class SecurityHelper
      * @param null|int $cost
      *
      * @return string
+     *
+     * @throws Exception
      */
     public function generatePasswordHash($password, $cost = null)
     {
         return $this->security->generatePasswordHash($password, $cost);
     }
 
+    /**
+     * Generates a random string
+     *
+     * @param int $length
+     *
+     * @return string
+     *
+     * @throws Exception
+     */
     public function generateRandomString($length = 32)
     {
         return $this->security->generateRandomString($length);
diff --git a/src/User/Helper/TimezoneHelper.php b/src/User/Helper/TimezoneHelper.php
index 581b48f..636b8d2 100644
--- a/src/User/Helper/TimezoneHelper.php
+++ b/src/User/Helper/TimezoneHelper.php
@@ -13,6 +13,7 @@ namespace Da\User\Helper;
 
 use DateTime;
 use DateTimeZone;
+use yii\base\InvalidParamException;
 use yii\helpers\ArrayHelper;
 
 class TimezoneHelper
@@ -21,6 +22,8 @@ class TimezoneHelper
      * Get all of the time zones with the offsets sorted by their offset.
      *
      * @return array
+     *
+     * @throws InvalidParamException
      */
     public static function getAll()
     {
diff --git a/src/User/Model/Profile.php b/src/User/Model/Profile.php
index 450c878..1991b0a 100644
--- a/src/User/Model/Profile.php
+++ b/src/User/Model/Profile.php
@@ -20,6 +20,7 @@ use DateTime;
 use DateTimeZone;
 use Exception;
 use Yii;
+use yii\base\InvalidParamException;
 use yii\db\ActiveRecord;
 
 /**
@@ -41,6 +42,8 @@ class Profile extends ActiveRecord
 
     /**
      * {@inheritdoc}
+     *
+     * @throws InvalidParamException
      */
     public function beforeSave($insert)
     {
diff --git a/src/User/Model/User.php b/src/User/Model/User.php
index 7fc3771..3ef8adb 100644
--- a/src/User/Model/User.php
+++ b/src/User/Model/User.php
@@ -16,6 +16,7 @@ use Da\User\Query\UserQuery;
 use Da\User\Traits\ContainerAwareTrait;
 use Da\User\Traits\ModuleAwareTrait;
 use Yii;
+use yii\base\InvalidParamException;
 use yii\base\NotSupportedException;
 use yii\behaviors\TimestampBehavior;
 use yii\db\ActiveRecord;
@@ -71,6 +72,8 @@ class User extends ActiveRecord implements IdentityInterface
 
     /**
      * {@inheritdoc}
+     *
+     * @throws InvalidParamException
      */
     public function beforeSave($insert)
     {
@@ -277,6 +280,8 @@ class User extends ActiveRecord implements IdentityInterface
 
     /**
      * @return SocialNetworkAccount[] social connected accounts [ 'providerName' => socialAccountModel ]
+     *
+     * @throws \Exception
      */
     public function getSocialNetworkAccounts()
     {
@@ -307,6 +312,8 @@ class User extends ActiveRecord implements IdentityInterface
 
     /**
      * {@inheritdoc}
+     *
+     * @throws NotSupportedException
      */
     public static function findIdentityByAccessToken($token, $type = null)
     {
diff --git a/src/User/Service/AuthRuleEditionService.php b/src/User/Service/AuthRuleEditionService.php
index 8ff4254..55983d7 100644
--- a/src/User/Service/AuthRuleEditionService.php
+++ b/src/User/Service/AuthRuleEditionService.php
@@ -31,14 +31,14 @@ class AuthRuleEditionService implements ServiceInterface
 
     public function run()
     {
-        if (!$this->model->validate() || (!in_array($this->model->scenario, ['create', 'update']))) {
+        if (!$this->model->validate() || (!in_array($this->model->scenario, ['create', 'update'], false))) {
             return false;
         }
 
         $rule = $this->make($this->model->className, [], ['name' => $this->model->name]);
 
         try {
-            if ($this->model->scenario == 'create') {
+            if ($this->model->scenario === 'create') {
                 $this->getAuthManager()->add($rule);
             } else {
                 $this->getAuthManager()->update($this->model->previousName, $rule);
diff --git a/src/User/Service/EmailChangeService.php b/src/User/Service/EmailChangeService.php
index 88d568c..3400846 100644
--- a/src/User/Service/EmailChangeService.php
+++ b/src/User/Service/EmailChangeService.php
@@ -76,8 +76,8 @@ class EmailChangeService implements ServiceInterface
                     );
                 }
             }
-            if ($this->getModule()->emailChangeStrategy === MailChangeStrategyInterface::TYPE_DEFAULT
-                || ($this->model->flags & User::NEW_EMAIL_CONFIRMED & $this->model->flags & User::OLD_EMAIL_CONFIRMED)
+            if (($this->model->flags & User::NEW_EMAIL_CONFIRMED & $this->model->flags & User::OLD_EMAIL_CONFIRMED)
+                || $this->getModule()->emailChangeStrategy === MailChangeStrategyInterface::TYPE_DEFAULT
             ) {
                 $this->model->email = $this->model->unconfirmed_email;
                 $this->model->unconfirmed_email = null;
diff --git a/src/User/Service/PasswordRecoveryService.php b/src/User/Service/PasswordRecoveryService.php
index 08e7239..265d9ce 100644
--- a/src/User/Service/PasswordRecoveryService.php
+++ b/src/User/Service/PasswordRecoveryService.php
@@ -13,13 +13,11 @@ namespace Da\User\Service;
 
 use Da\User\Contracts\ServiceInterface;
 use Da\User\Factory\TokenFactory;
-use Da\User\Model\Token;
 use Da\User\Model\User;
 use Da\User\Query\UserQuery;
 use Da\User\Traits\MailAwareTrait;
 use Exception;
 use Yii;
-use yii\log\Logger;
 
 class PasswordRecoveryService implements ServiceInterface
 {
@@ -30,14 +28,12 @@ class PasswordRecoveryService implements ServiceInterface
     protected $email;
     protected $mailService;
     protected $securityHelper;
-    protected $logger;
 
-    public function __construct($email, MailService $mailService, UserQuery $query, Logger $logger)
+    public function __construct($email, MailService $mailService, UserQuery $query)
     {
         $this->email = $email;
         $this->mailService = $mailService;
         $this->query = $query;
-        $this->logger = $logger;
     }
 
     public function run()
@@ -65,7 +61,7 @@ class PasswordRecoveryService implements ServiceInterface
 
             return true;
         } catch (Exception $e) {
-            $this->logger->log($e->getMessage(), Logger::LEVEL_ERROR);
+            Yii::error($e->getMessage(), 'usuario');
 
             return false;
         }
diff --git a/src/User/Service/ResendConfirmationService.php b/src/User/Service/ResendConfirmationService.php
index e70618a..7c131d9 100644
--- a/src/User/Service/ResendConfirmationService.php
+++ b/src/User/Service/ResendConfirmationService.php
@@ -15,7 +15,6 @@ use Da\User\Contracts\ServiceInterface;
 use Da\User\Factory\TokenFactory;
 use Da\User\Model\User;
 use Da\User\Traits\MailAwareTrait;
-use yii\log\Logger;
 
 class ResendConfirmationService implements ServiceInterface
 {
@@ -23,13 +22,11 @@ class ResendConfirmationService implements ServiceInterface
 
     protected $model;
     protected $mailService;
-    protected $logger;
 
-    public function __construct(User $model, MailService $mailService, Logger $logger)
+    public function __construct(User $model, MailService $mailService)
     {
         $this->model = $model;
         $this->mailService = $mailService;
-        $this->logger = $logger;
     }
 
     public function run()
@@ -37,6 +34,7 @@ class ResendConfirmationService implements ServiceInterface
         if ($this->model && !$this->model->getIsConfirmed()) {
             $token = TokenFactory::makeConfirmationToken($this->model->id);
             $this->mailService->setViewParam('token', $token);
+
             return $this->sendMail($this->model);
         }
 
diff --git a/src/User/Service/TwoFactorQrCodeUriGeneratorService.php b/src/User/Service/TwoFactorQrCodeUriGeneratorService.php
index e407b66..0492bdc 100644
--- a/src/User/Service/TwoFactorQrCodeUriGeneratorService.php
+++ b/src/User/Service/TwoFactorQrCodeUriGeneratorService.php
@@ -47,8 +47,7 @@ class TwoFactorQrCodeUriGeneratorService implements ServiceInterface
         }
 
         $totpUri = (new TOTPSecretKeyUriGeneratorService(Yii::$app->name, $user->email, $user->auth_tf_key))->run();
-        $dataUri = (new QrCodeDataUriGeneratorService($totpUri))->run();
 
-        return $dataUri;
+        return (new QrCodeDataUriGeneratorService($totpUri))->run();
     }
 }
diff --git a/src/User/Service/UserCreateService.php b/src/User/Service/UserCreateService.php
index 9769362..5792172 100644
--- a/src/User/Service/UserCreateService.php
+++ b/src/User/Service/UserCreateService.php
@@ -19,7 +19,6 @@ use Da\User\Traits\MailAwareTrait;
 use Exception;
 use Yii;
 use yii\base\InvalidCallException;
-use yii\log\Logger;
 
 class UserCreateService implements ServiceInterface
 {
@@ -28,18 +27,19 @@ class UserCreateService implements ServiceInterface
     protected $model;
     protected $securityHelper;
     protected $mailService;
-    protected $logger;
 
-    public function __construct(User $model, MailService $mailService, SecurityHelper $securityHelper, Logger $logger)
+    public function __construct(User $model, MailService $mailService, SecurityHelper $securityHelper)
     {
         $this->model = $model;
         $this->mailService = $mailService;
         $this->securityHelper = $securityHelper;
-        $this->logger = $logger;
     }
 
     /**
      * @return bool
+     *
+     * @throws InvalidCallException
+     * @throws \yii\db\Exception
      */
     public function run()
     {
@@ -49,7 +49,7 @@ class UserCreateService implements ServiceInterface
             throw new InvalidCallException('Cannot create a new user from an existing one.');
         }
 
-        $transaction = $model->getDb()->beginTransaction();
+        $transaction = $model::getDb()->beginTransaction();
 
         try {
             $model->confirmed_at = time();
@@ -81,7 +81,7 @@ class UserCreateService implements ServiceInterface
             return true;
         } catch (Exception $e) {
             $transaction->rollBack();
-            $this->logger->log($e->getMessage(), Logger::LEVEL_ERROR);
+            Yii::error($e->getMessage(), 'usuario');
 
             return false;
         }
diff --git a/src/User/Service/UserRegisterService.php b/src/User/Service/UserRegisterService.php
index b14d4a2..79be83c 100644
--- a/src/User/Service/UserRegisterService.php
+++ b/src/User/Service/UserRegisterService.php
@@ -20,7 +20,6 @@ use Da\User\Traits\MailAwareTrait;
 use Da\User\Traits\ModuleAwareTrait;
 use Exception;
 use yii\base\InvalidCallException;
-use yii\log\Logger;
 use Yii;
 
 class UserRegisterService implements ServiceInterface
@@ -31,14 +30,12 @@ class UserRegisterService implements ServiceInterface
     protected $model;
     protected $securityHelper;
     protected $mailService;
-    protected $logger;
 
-    public function __construct(User $model, MailService $mailService, SecurityHelper $securityHelper, Logger $logger)
+    public function __construct(User $model, MailService $mailService, SecurityHelper $securityHelper)
     {
         $this->model = $model;
         $this->mailService = $mailService;
         $this->securityHelper = $securityHelper;
-        $this->logger = $logger;
     }
 
     public function run()
@@ -49,7 +46,7 @@ class UserRegisterService implements ServiceInterface
             throw new InvalidCallException('Cannot register user from an existing one.');
         }
 
-        $transaction = $model->getDb()->beginTransaction();
+        $transaction = $model::getDb()->beginTransaction();
 
         try {
             $model->confirmed_at = $this->getModule()->enableEmailConfirmation ? null : time();
@@ -91,7 +88,7 @@ class UserRegisterService implements ServiceInterface
             return true;
         } catch (Exception $e) {
             $transaction->rollBack();
-            $this->logger->log($e->getMessage(), Logger::LEVEL_ERROR);
+            Yii::error($e->getMessage(), 'usuario');
 
             return false;
         }
diff --git a/src/User/Traits/ContainerAwareTrait.php b/src/User/Traits/ContainerAwareTrait.php
index 8bac337..e44ebae 100644
--- a/src/User/Traits/ContainerAwareTrait.php
+++ b/src/User/Traits/ContainerAwareTrait.php
@@ -14,6 +14,7 @@ namespace Da\User\Traits;
 use Da\User\Helper\AuthHelper;
 use Da\User\Helper\ClassMapHelper;
 use Yii;
+use yii\base\InvalidConfigException;
 use yii\di\Container;
 
 /**
@@ -48,6 +49,8 @@ trait ContainerAwareTrait
 
     /**
      * @return \Da\User\Helper\AuthHelper|object
+     *
+     * @throws InvalidConfigException
      */
     public function getAuth()
     {
@@ -56,6 +59,8 @@ trait ContainerAwareTrait
 
     /**
      * @return \Da\User\Helper\ClassMapHelper|object
+     *
+     * @throws InvalidConfigException
      */
     public function getClassMap()
     {
diff --git a/src/User/Traits/MailAwareTrait.php b/src/User/Traits/MailAwareTrait.php
index 38d3693..d927d2c 100644
--- a/src/User/Traits/MailAwareTrait.php
+++ b/src/User/Traits/MailAwareTrait.php
@@ -15,12 +15,10 @@ use Da\User\Event\MailEvent;
 use Da\User\Model\User;
 use Da\User\Service\MailService;
 use Exception;
-use yii\log\Logger;
+use Yii;
 
 /**
  * @property MailService $mailService
- * @property Logger $logger
- * @author Kartik Visweswaran <kartikv2@gmail.com>
  */
 trait MailAwareTrait
 {
@@ -42,7 +40,7 @@ trait MailAwareTrait
             $this->mailService->run();
         } catch (Exception $e) {
             $event = $this->make(MailEvent::class, [$type, $user, $this->mailService, $e]);
-            $this->logger->log($e->getMessage(), Logger::LEVEL_ERROR);
+            Yii::error($e->getMessage(), 'usuario');
             $user->trigger(MailEvent::EVENT_AFTER_SEND_MAIL, $event);
             return false;
         }
diff --git a/src/User/Validator/RbacItemsValidator.php b/src/User/Validator/RbacItemsValidator.php
index 60261ca..45d06c2 100644
--- a/src/User/Validator/RbacItemsValidator.php
+++ b/src/User/Validator/RbacItemsValidator.php
@@ -26,7 +26,7 @@ class RbacItemsValidator extends Validator
         }
 
         foreach ($value as $item) {
-            if ($this->getAuthManager()->getItem($item) == null) {
+            if ($this->getAuthManager()->getItem($item) === null) {
                 return [Yii::t('usuario', 'There is neither role nor permission with name "{0}"', [$item]), []];
             }
         }
diff --git a/src/User/Validator/RbacRuleNameValidator.php b/src/User/Validator/RbacRuleNameValidator.php
index 0089f82..edb5f9f 100644
--- a/src/User/Validator/RbacRuleNameValidator.php
+++ b/src/User/Validator/RbacRuleNameValidator.php
@@ -30,7 +30,7 @@ class RbacRuleNameValidator extends Validator
      */
     protected function validateValue($value)
     {
-        if ($this->previousName != $value) {
+        if ($this->previousName !== $value) {
             $rule = $this->getAuthManager()->getRule($value);
 
             if ($rule instanceof Rule) {
diff --git a/src/User/Validator/TwoFactorCodeValidator.php b/src/User/Validator/TwoFactorCodeValidator.php
index fe9822d..48b330c 100644
--- a/src/User/Validator/TwoFactorCodeValidator.php
+++ b/src/User/Validator/TwoFactorCodeValidator.php
@@ -11,6 +11,7 @@
 
 namespace Da\User\Validator;
 
+use Da\TwoFA\Exception\InvalidSecretKeyException;
 use Da\TwoFA\Manager;
 use Da\User\Contracts\ValidatorInterface;
 use Da\User\Model\User;
@@ -37,6 +38,8 @@ class TwoFactorCodeValidator implements ValidatorInterface
 
     /**
      * @return bool|int
+     *
+     * @throws InvalidSecretKeyException
      */
     public function validate()
     {
diff --git a/src/User/Widget/AssignmentsWidget.php b/src/User/Widget/AssignmentsWidget.php
index 646ae81..4b76dd7 100644
--- a/src/User/Widget/AssignmentsWidget.php
+++ b/src/User/Widget/AssignmentsWidget.php
@@ -16,6 +16,7 @@ use Da\User\Service\UpdateAuthAssignmentsService;
 use Da\User\Traits\AuthManagerAwareTrait;
 use Da\User\Traits\ContainerAwareTrait;
 use yii\base\InvalidConfigException;
+use yii\base\InvalidParamException;
 use yii\base\Widget;
 use yii\helpers\ArrayHelper;
 
@@ -48,6 +49,8 @@ class AssignmentsWidget extends Widget
 
     /**
      * {@inheritdoc}
+     *
+     * @throws InvalidParamException
      */
     public function run()
     {