public function actionConf($id = null, $code = NULL)
 {
     $tok = Token::find()->where(['id' => $id])->one();
     if ($tok->code == $code) {
         if ($tok->delete()) {
         } else {
             echo 'delete token error';
         }
         $sig = Sign::find()->where(['id' => $id])->one();
         $sig->activate = 1;
         if ($sig->save()) {
             return $this->redirect(['sign/login']);
         }
         //return $this->render('activate',['tok' => $sig]);
     }
 }