public function actionLogin()
{
if (!\Yii::$app->user->isGuest) {
return $this->goHome();
}
$model = new LoginForm();
if ($model->load(Yii::$app->request->post()) && $model->login()) {
$model->updateUserInfo();
return $this->goBack();
} else {
return $this->render('login', ['model' => $model]);
}
}