diff --git a/backend/modules/card/controllers/UserCardController.php b/backend/modules/card/controllers/UserCardController.php
index 1d28e09..4165044 100755
--- a/backend/modules/card/controllers/UserCardController.php
+++ b/backend/modules/card/controllers/UserCardController.php
@@ -49,13 +49,15 @@ class UserCardController extends Controller
 
         $total = 0;
         if(Yii::$app->request->queryParams)
-            foreach (Yii::$app->request->queryParams as $params)
+            foreach (Yii::$app->request->queryParams as $params) {
+
                 $total = \common\models\UserCard::find()->filterWhere([
-                    'fio' => $params['fio'],
-                    'email' => $params['email'],
-                    'status' => $params['status'],
-                    'skills' => $params['skills'],
+                    'fio' => UserCard::getParameter($params, 'fio'),
+                    'email' => UserCard::getParameter($params, 'email'),
+                    'status' => UserCard::getParameter($params, 'status'),
+                    'skills' => UserCard::getParameter($params, 'skills'),
                 ])->sum('salary');
+            }
         else $total = \common\models\UserCard::find()->sum('salary');
 
         return $this->render('index', [
diff --git a/backend/modules/card/models/UserCard.php b/backend/modules/card/models/UserCard.php
index 8557172..6ffdef5 100755
--- a/backend/modules/card/models/UserCard.php
+++ b/backend/modules/card/models/UserCard.php
@@ -158,4 +158,13 @@ class UserCard extends \common\models\UserCard
         if ($user_card_array) return "Данные успешно сгенерированы";
         else return "Нет данных для генерации";
     }
+
+    public static function getParameter($params, $key)
+    {
+        try {
+            return $params[$key];
+        } catch (\Exception $e) {
+            return '';
+        }
+    }
 }