diff --git a/backend/.env b/backend/.env
index ca3f4c9..aa658b2 100644
--- a/backend/.env
+++ b/backend/.env
@@ -13,14 +13,3 @@ DATABASE_URL="postgresql://app:!ChangeMe!@127.0.0.1:5432/app?serverVersion=16&ch
 DOT_DOT_URL='http://dot-dot.local'
 
 API_TOKEN='secret'
-
-###> KONTUR_DIADOC###
-API_KONTUR_DIADOC_END_POINT_URL=https://diadoc-api.kontur.ru
-API_KONTUR_DIADOC_API_TOKEN=API-3701ccdb-7bdf-4f29-bbe0-3a0278eee913
-API_KONTUR_DIADOC_LOGIN=LOGIN
-API_KONTUR_DIADOC_PASSWORD=PASSWORD
-###> KONTUR_DIADOC_POST_MESSAGE_DIRECTION###
-API_KONTUR_DIADOC_PMD_BOX_ID=c1a0d340-a481-49b2-ba21-d51dea59df55
-API_KONTUR_DIADOC_PMD_FROM_DEPT_ID=00000000-0000-0000-0000-000000000000
-API_KONTUR_DIADOC_PMD_TO_DEPT_ID=da0f3b33-ef70-41e9-8e9e-fb431a891ef4
-###< KONTUR_DIADOC###
\ No newline at end of file
diff --git a/backend/src/SignDocument/Controller/DigitalSignatureController.php b/backend/src/SignDocument/Controller/DigitalSignatureController.php
index a2f6bd8..5baf49f 100644
--- a/backend/src/SignDocument/Controller/DigitalSignatureController.php
+++ b/backend/src/SignDocument/Controller/DigitalSignatureController.php
@@ -7,6 +7,7 @@ namespace App\SignDocument\Controller;
 use App\Infrastructure\Traits\ApiHelperTrait;
 use App\SignDocument\Api\Request\DigitalSignatureRequest;
 use App\SignDocument\Services\DigitalSignatureService;
+use PHPUnit\Event\RuntimeException;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
@@ -26,12 +27,8 @@ class DigitalSignatureController extends AbstractController
     {
         $token = $request->server->get('HTTP_AUTHORIZATION');
 
-        try {
-            return $this->createJsonResponse([
-                'base64' => $this->digitalSignatureService->getSignature($digitalSignatureRequest, $token),
-            ]);
-        } catch (Exception $exception) {
-            return $this->createJsonResponse([], $exception->getMessage(), 400);
-        }
+        return $this->createJsonResponse([
+            'hash' => $this->digitalSignatureService->getSignature($digitalSignatureRequest, $token),
+        ]);
     }
 }
\ No newline at end of file