public static function savedate($data)
 {
     $customer = Userinfo::findOne(['user_id' => Yii::$app->user->identity->id]);
     if ($customer == '') {
         $customer = new Userinfo();
         $customer->user_id = Yii::$app->user->identity->id;
         $customer->date_birth = $data['Userinfo']['date_birth'];
         $customer->address = $data['Userinfo']['address'];
         $customer->phone = $data['Userinfo']['phone'];
         $customer->avatar = $data['Userinfo']['avatar'];
         $customer->name = $data['Userinfo']['name'];
         $customer->save();
     } else {
         $customer->date_birth = $data['Userinfo']['date_birth'];
         $customer->address = $data['Userinfo']['address'];
         $customer->phone = $data['Userinfo']['phone'];
         $customer->avatar = $data['Userinfo']['avatar'];
         $customer->name = $data['Userinfo']['name'];
         $customer->save();
     }
 }