diff --git a/BackEnd/src/main/java/studycave/studycaverestservice/model/test/question/Question.java b/BackEnd/src/main/java/studycave/studycaverestservice/model/test/question/Question.java
index 17bdc26..f4390d0 100644
--- a/BackEnd/src/main/java/studycave/studycaverestservice/model/test/question/Question.java
+++ b/BackEnd/src/main/java/studycave/studycaverestservice/model/test/question/Question.java
@@ -64,4 +64,8 @@ public abstract class Question {
     @JsonManagedReference
     List<Answer> answers = new ArrayList<>();
 
+    @Getter
+    @Setter
+    private int time;
+
 }
diff --git a/BackEnd/src/main/java/studycave/studycaverestservice/usos/AuthorizationService.java b/BackEnd/src/main/java/studycave/studycaverestservice/usos/AuthorizationService.java
index ebbab85..f2afd67 100644
--- a/BackEnd/src/main/java/studycave/studycaverestservice/usos/AuthorizationService.java
+++ b/BackEnd/src/main/java/studycave/studycaverestservice/usos/AuthorizationService.java
@@ -83,7 +83,7 @@ public class AuthorizationService {
 
     private void updateUserGroupsAndStudents(String oauth_token, String oauth_token_secret) throws UnsupportedEncodingException, InvalidKeyException, NoSuchAlgorithmException {
         List<NameValuePair> queryParams = new ArrayList<>();
-        queryParams.add(new BasicNameValuePair("fields", "course%5Funit%5Fid"));
+        queryParams.add(new BasicNameValuePair("fields", "lecturers"));
         queryParams.add(new BasicNameValuePair("oauth_consumer_key", propertiesLoader.getKey()));
         queryParams.add(new BasicNameValuePair("oauth_nonce", "" + (int) (Math.random() * 100000000)));
         queryParams.add(new BasicNameValuePair("oauth_signature_method", "HMAC-SHA1"));
diff --git a/BackEnd/src/main/resources/application.properties b/BackEnd/src/main/resources/application.properties
index bcf377c..b8c7f55 100644
--- a/BackEnd/src/main/resources/application.properties
+++ b/BackEnd/src/main/resources/application.properties
@@ -6,12 +6,12 @@ spring.datasource.password=L0XIcnvtWpYEnr4w
 spring.servlet.multipart.max-file-size=500KB
 spring.servlet.multipart.max-request-size=500KB
 
-server.address=51.75.30.146
-server.port=8080
-
-#server.address=localhost
+#server.address=51.75.30.146
 #server.port=8080
 
+server.address=localhost
+server.port=8080
+
 #usos instance to use
 usos.baseURI=https://usosapps.amu.edu.pl
 usos.basePath=/services