diff --git a/Source/API/script/Gateway/GatewayListResponseOfCandidate.php b/Source/API/script/Gateway/GatewayListResponseOfCandidate.php
index 6a0a3f0..b2e088e 100644
--- a/Source/API/script/Gateway/GatewayListResponseOfCandidate.php
+++ b/Source/API/script/Gateway/GatewayListResponseOfCandidate.php
@@ -64,7 +64,7 @@ class GatewayListResponseOfCandidate
         ));
     }
 
-    public function insertListResponsesOfCandidate(array $answer, string $titleForm,int $idQuestion): void
+    public function insertListResponsesOfCandidate(array $id, array $answer, array $category, string $titleForm): void
     {
         $gatewayResponse = new GatewayResponse();
         $gatewayQuestion = new GatewayQuestion();
@@ -72,20 +72,21 @@ class GatewayListResponseOfCandidate
         $query = "INSERT INTO ListResponsesOfCandidate(date, titleForm) VALUES(:date, :titleForm)";
         $this->connection->executeQuery($query, array(
             ':date' => array(date('Y-m-d H:i:s'), PDO::PARAM_STR),
-            ':titleForm' => array($titleForm, PDO::PARAM_STR)           //parameters[3] = titleForm
+            ':titleForm' => array($titleForm, PDO::PARAM_STR)
         ));
 
         $idListQuestion = $this->connection->lastInsertId();
 
-        for($i = 0; $i < count($answer); $i++)                   //parameters[1] = answer
-        {
-            $idResponse = $gatewayResponse->insertResponse($gatewayQuestion->getQuestionContentById($idQuestion), "",array()); //$parameters[1][$i], $parameters[2][$i]));     //parameters[1] = answer, parameters[2] = category, parameters[3] = id
+        for ($i = 0; $i < count($answer); $i++) {
+            $question = $gatewayQuestion->getQuestionContentById($id[$i]);
+            $idResponse = $gatewayResponse->insertResponse($question, $answer[$i], $category[$i]);
 
             $query = "INSERT INTO Submit (responsesCandidate, response) VALUES(:responsesCandidate, :response)";
             $this->connection->executeQuery($query, array(
                 ':responsesCandidate' => array($idListQuestion, PDO::PARAM_STR),
-                'response' => array($idResponse, PDO::PARAM_STR)
+                ':response' => array($idResponse, PDO::PARAM_STR)
             ));
         }
     }
+
 }
diff --git a/Source/API/script/index.php b/Source/API/script/index.php
index ad8d91e..32f8dc2 100644
--- a/Source/API/script/index.php
+++ b/Source/API/script/index.php
@@ -49,7 +49,7 @@ $app->get('/getForm', function(Request $request, Response $response){
     return $response->withHeader('Content-type', 'application/json')->withStatus(200);
 });
 
-$app->post('/insertForm', function(Request $request){
+$app->post('/insertForm', function(Request $request, Response $response){
     $parameters = $request->getQueryParams();
     if (empty($parameters['title']) || empty($parameters['description'])){
         throw new TypeErrorParameters($request);
@@ -59,9 +59,11 @@ $app->post('/insertForm', function(Request $request){
     }catch (PDOException $e){
         throw new PDOError($request,$e->getMessage(),$e);
     }
+    $response->getBody()->write("OK");
+    return $response;
 });
 
-$app->delete('/deleteForm', function(Request $request){
+$app->delete('/deleteForm', function(Request $request, Response $response){
     $parameters = $request->getQueryParams();
     if (empty($parameters['id'])){
         throw new TypeErrorParameters($request);
@@ -71,6 +73,8 @@ $app->delete('/deleteForm', function(Request $request){
     }catch (PDOException $e){
         throw new PDOError($request,$e->getMessage(),$e);
     }
+    $response->getBody()->write("OK");
+    return $response;
 });
 
 $app->get('/existsForm', function(Request $request, Response $response){
@@ -86,7 +90,7 @@ $app->get('/existsForm', function(Request $request, Response $response){
     return $response->withHeader('Content-type', 'application/json')->withStatus(200);
 });
 
-$app->post('/assignKeywordToQuestion', function(Request $request){
+$app->post('/assignKeywordToQuestion', function(Request $request, Response $response){
     $parameters = $request->getQueryParams();
     if (empty($parameters['keyword']) || empty($parameters['id']) || empty($parameters['response'])){
         throw new TypeErrorParameters($request);
@@ -96,9 +100,11 @@ $app->post('/assignKeywordToQuestion', function(Request $request){
     }catch (PDOException $e){
         throw new PDOError($request,$e->getMessage(),$e);
     }
+    $response->getBody()->write("OK");
+    return $response;
 });
 
-$app->delete('/deleteKeywordFromQuestion', function(Request $request){
+$app->delete('/deleteKeywordFromQuestion', function(Request $request, Response $response){
     $parameters = $request->getQueryParams();
     if (empty($parameters['keyword']) || empty($parameters['id']) || empty($parameters['response'])){
         throw new TypeErrorParameters($request);
@@ -108,9 +114,11 @@ $app->delete('/deleteKeywordFromQuestion', function(Request $request){
     }catch (PDOException $e){
         throw new PDOError($request,$e->getMessage(),$e);
     }
+    $response->getBody()->write("OK");
+    return $response;
 });
 
-$app->put('/updateTitleToForm', function(Request $request){
+$app->put('/updateTitleToForm', function(Request $request, Response $response){
     $parameters = $request->getQueryParams();
     if (empty($parameters['id']) || empty($parameters['title'])){
         throw new TypeErrorParameters($request);
@@ -120,9 +128,11 @@ $app->put('/updateTitleToForm', function(Request $request){
     }catch (PDOException $e){
         throw new PDOError($request,$e->getMessage(),$e);
     }
+    $response->getBody()->write("OK");
+    return $response;
 });
 
-$app->put('/updateDescriptionToForm', function(Request $request){
+$app->put('/updateDescriptionToForm', function(Request $request, Response $response){
     $parameters = $request->getQueryParams();
     if (empty($parameters['id']) || empty($parameters['description'])){
         throw new TypeErrorParameters($request);
@@ -132,9 +142,11 @@ $app->put('/updateDescriptionToForm', function(Request $request){
     }catch (PDOException $e){
         throw new PDOError($request,$e->getMessage(),$e);
     }
+    $response->getBody()->write("OK");
+    return $response;
 });
 
-$app->delete('/deleteDescriptionToForm', function(Request $request){
+$app->delete('/deleteDescriptionToForm', function(Request $request, Response $response){
     $parameters = $request->getQueryParams();
     if (empty($parameters['id'])){
         throw new TypeErrorParameters($request);
@@ -144,9 +156,11 @@ $app->delete('/deleteDescriptionToForm', function(Request $request){
     }catch (PDOException $e){
         throw new PDOError($request,$e->getMessage(),$e);
     }
+    $response->getBody()->write("OK");
+    return $response;
 });
 
-$app->post('/insertKeyword', function(Request $request){
+$app->post('/insertKeyword', function(Request $request, Response $response){
     $parameters = $request->getQueryParams();
     if (empty($parameters['keyword'])){
         throw new TypeErrorParameters($request);
@@ -156,9 +170,11 @@ $app->post('/insertKeyword', function(Request $request){
     }catch (PDOException $e){
         throw new PDOError($request,$e->getMessage(),$e);
     }
+    $response->getBody()->write("OK");
+    return $response;
 });
 
-$app->delete('/deleteKeyword', function(Request $request){
+$app->delete('/deleteKeyword', function(Request $request, Response $response){
     $parameters = $request->getQueryParams();
     if (empty($parameters['keyword'])){
         throw new TypeErrorParameters($request);
@@ -168,6 +184,8 @@ $app->delete('/deleteKeyword', function(Request $request){
     }catch (PDOException $e){
         throw new PDOError($request,$e->getMessage(),$e);
     }
+    $response->getBody()->write("OK");
+    return $response;
 });
 
 $app->get('getAllKeyword', function(Request $request, Response $response){
@@ -215,7 +233,7 @@ $app->get('/getAllListResponseOfCandidate', function(Request $request, Response
     return $response->withHeader('Content-type', 'application/json')->withStatus(200);
 });
 
-$app->delete('/deleteListResponseOfCandidate', function(Request $request){
+$app->delete('/deleteListResponseOfCandidate', function(Request $request, Response $response){
     $parameters = $request->getQueryParams();
     if (empty($parameters['id'])){
         throw new TypeErrorParameters($request);
@@ -225,18 +243,22 @@ $app->delete('/deleteListResponseOfCandidate', function(Request $request){
     }catch (PDOException $e){
         throw new PDOError($request,$e->getMessage(),$e);
     }
+    $response->getBody()->write("OK");
+    return $response;
 });
 
-$app->post('/insertListResponseOfCandidate', function(Request $request){
+$app->post('/insertListResponseOfCandidate', function(Request $request, Response $response){
     $parameters = $request->getQueryParams();
-    if (empty($parameters['answer']) || empty($parameters['titleForm']) || empty($parameters['idQuestion'])){
+    if (empty($parameters['id']) || empty($parameters['answer']) || empty($parameters['category']) || empty($parameters['titleForm'])){
         throw new TypeErrorParameters($request);
     }
     try{
-        (new GatewayListResponseOfCandidate)->insertListResponsesOfCandidate($parameters['answer'],$parameters['titleForm'],$parameters['idQuestion']);
+        (new GatewayListResponseOfCandidate)->insertListResponsesOfCandidate($parameters['id'],$parameters['answer'],$parameters['category'], $parameters['titleForm']);
     }catch (PDOException $e){
         throw new PDOError($request,$e->getMessage(),$e);
     }
+    $response->getBody()->write("OK");
+    return $response;
 });
 
 $app->get('/getPossibleResponseByQuestion', function(Request $request, Response $response){
@@ -291,7 +313,7 @@ $app->get('/getResponsesIdByIdListCandidate', function(Request $request, Respons
     return $response->withHeader('Content-type', 'application/json')->withStatus(200);
 });
 
-$app->delete('/deleteResponseById', function(Request $request){
+$app->delete('/deleteResponseById', function(Request $request, Response $response){
     $parameters = $request->getQueryParams();
     if (empty($parameters['id'])){
         throw new TypeErrorParameters($request);
@@ -301,6 +323,8 @@ $app->delete('/deleteResponseById', function(Request $request){
     }catch (PDOException $e){
         throw new PDOError($request,$e->getMessage(),$e);
     }
+    $response->getBody()->write("OK");
+    return $response;
 });
 
 $app->post('/insertResponse', function(Request $request, Response $response){
@@ -329,7 +353,7 @@ $app->post('/addQuestion', function(Request $request, Response $response){
     return $response->withHeader('Content-type', 'application/json')->withStatus(200);
 });
 
-$app->delete('/deleteQuestion', function(Request $request){
+$app->delete('/deleteQuestion', function(Request $request, Response $response){
     $parameters = $request->getQueryParams();
     if (empty($parameters['classQuestion']) || empty($parameters['id']) || empty($parameters['listPossibleResponse'])){
         throw new TypeErrorParameters($request);
@@ -339,9 +363,11 @@ $app->delete('/deleteQuestion', function(Request $request){
     }catch (PDOException $e){
         throw new PDOError($request,$e->getMessage(),$e);
     }
+    $response->getBody()->write("OK");
+    return $response;
 });
 
-$app->put('/updateQuestion', function(Request $request){
+$app->put('/updateQuestion', function(Request $request, Response $response){
     $parameters = $request->getQueryParams();
     if (empty($parameters['content']) || empty($parameters['classQuestion']) || empty($parameters['questionGetForm']) || empty($parameters['id'])){
         throw new TypeErrorParameters($request);
@@ -351,6 +377,8 @@ $app->put('/updateQuestion', function(Request $request){
     }catch (PDOException $e){
         throw new PDOError($request,$e->getMessage(),$e);
     }
+    $response->getBody()->write("OK");
+    return $response;
 });
 
 $app->get('/getAllQuestions', function(Request $request, Response $response){
@@ -405,7 +433,7 @@ $app->get('/getPasswordWithLogin', function(Request $request, Response $response
     return $response->withHeader('Content-type', 'application/json')->withStatus(200);
 });
 
-$app->delete('/deletePossibleResponse', function(Request $request){
+$app->delete('/deletePossibleResponse', function(Request $request, Response $response){
     $parameters = $request->getQueryParams();
     if (empty($parameters['id'])){
         throw new TypeErrorParameters($request);
@@ -415,9 +443,11 @@ $app->delete('/deletePossibleResponse', function(Request $request){
     }catch (PDOException $e){
         throw new PDOError($request,$e->getMessage(),$e);
     }
+    $response->getBody()->write("OK");
+    return $response;
 });
 
-$app->post('/insertResponseInQuestion', function(Request $request){
+$app->post('/insertResponseInQuestion', function(Request $request, Response $response){
     $parameters = $request->getQueryParams();
     if (empty($parameters['response']) || empty($parameters['categories']) || empty($parameters['idQuestion'])){
         throw new TypeErrorParameters($request);
@@ -427,6 +457,8 @@ $app->post('/insertResponseInQuestion', function(Request $request){
     }catch (PDOException $e){
         throw new PDOError($request,$e->getMessage(),$e);
     }
+    $response->getBody()->write("OK");
+    return $response;
 });
 
 $app->get('/getCategorizeOfResponsesIdByIdListCandidate', function(Request $request, Response $response){