diff --git a/Zurnal/Date/Repository/GroupRepositoryImpl.cs b/Zurnal/Date/Repository/GroupRepositoryImpl.cs
index 8bdef94..e2e6dc6 100644
--- a/Zurnal/Date/Repository/GroupRepositoryImpl.cs
+++ b/Zurnal/Date/Repository/GroupRepositoryImpl.cs
@@ -72,9 +72,9 @@ public bool UpdateGroupById(int groupId, GroupDao updatedGroup)
                 GroupDao.Name.Remove(group);
             }
         }
-        public void UpdateGroup(GroupDao group)
-        {
-            throw new NotImplementedException();
-        }
+        public GroupDao FindGroupById(int groupId)
+    {
+        return AllGroup.FirstOrDefault(g => g.Id == groupId);
     }
+}
 }
\ No newline at end of file
diff --git a/Zurnal/Date/Repository/IGroupRepository.cs b/Zurnal/Date/Repository/IGroupRepository.cs
index e4dd88b..47392d9 100644
--- a/Zurnal/Date/Repository/IGroupRepository.cs
+++ b/Zurnal/Date/Repository/IGroupRepository.cs
@@ -62,4 +62,18 @@ internal interface IGroupRepository
             group.GroupName = name; 
         }
     }
+    public bool UpdateUser(Guid userGuid, UserDao updatedUser)
+    {
+        if (updatedUser == null) throw new ArgumentNullException(nameof(updatedUser));
+
+        var user = AllGroup.SelectMany(g => g.Users).FirstOrDefault(u => u.UserGuid == userGuid);
+        if (user != null)
+        {
+            user.FIO = updatedUser.FIO;
+            user.GroupID = updatedUser.GroupID;
+            user.Group = updatedUser.Group;
+            return true;
+        }
+        return false;
+    }
 }
\ No newline at end of file
diff --git a/Zurnal/Domain/UseCase/GroupUseCase.cs b/Zurnal/Domain/UseCase/GroupUseCase.cs
index dda8c54..4882494 100644
--- a/Zurnal/Domain/UseCase/GroupUseCase.cs
+++ b/Zurnal/Domain/UseCase/GroupUseCase.cs
@@ -37,7 +37,7 @@ namespace Zurnal.Domain.UseCase
 
         public bool RemoveGroupById(int groupID)
 {
-    var group = _repositoryGroupImpl.GetGroupById(groupID);
+    var group = _repositoryGroupImpl.FindGroupById(groupID);
     if (group == null)
     {
         return false; 
diff --git a/Zurnal/Domain/UseCase/UserUseCase.cs b/Zurnal/Domain/UseCase/UserUseCase.cs
index d7baa96..5f8d644 100644
--- a/Zurnal/Domain/UseCase/UserUseCase.cs
+++ b/Zurnal/Domain/UseCase/UserUseCase.cs
@@ -30,16 +30,6 @@ namespace Zurnal.Domain.UseCase
             return _repositoryUserImpl.RemoveUserByGuid(userGuid);
         }
 
-        public UserDao UpdateUser(UserDao user, int groupId)
-{
-    UserLocalEntity userLocalEntity = new UserLocalEntity { FIO = user.FIO, GroupID = groupId, Guid = user.UserGuid };
-    UserLocalEntity? result = _repositoryUserImpl.UpdateUser(userLocalEntity);
-    if (result == null) throw new Exception("Пользователь не обновлен.");
-    GroupDao? group = GetAllGroups().FirstOrDefault(it => it.Id == result.GroupID);
-    if (group == null) throw new Exception("Група не нфйдуна.");
-    return new UserDao { FIO = user.FIO, UserGuid = user.UserGuid, Group = group, GroupID = group.Id };
-}
-
         public IEnumerable<GroupDao> GetAllGroups()
 {
     return RepositoryGroupImpl.AllGroup;
@@ -66,11 +56,6 @@ namespace Zurnal.Domain.UseCase
 
         public List<GroupDao> AllGroup => RepositoryGroupImpl.AllGroup.ToList();
         List<GroupDao> IGroupRepository.AllGroup => throw new NotImplementedException();
-
-        IEnumerable<System.Text.RegularExpressions.Group> IGroupRepository.AllGroups()
-        {
-            return (IEnumerable<System.Text.RegularExpressions.Group>)((IGroupRepository)_repositoryUserImpl).GetAllGroups();
-        }
         internal class UserLocalEntity 
         {
             public string FIO { get; set; }
diff --git a/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfo.cs b/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfo.cs
index e900170..301b687 100644
--- a/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfo.cs
+++ b/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfo.cs
@@ -13,10 +13,10 @@ using System.Reflection;
 [assembly: System.Reflection.AssemblyCompanyAttribute("Zurnal")]
 [assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
 [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
-[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+34ff2ea057283cd78eb7b49bd26432b8fed15732")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+e86bec8a7f833b7d641968f35cc2ebce20da3dc8")]
 [assembly: System.Reflection.AssemblyProductAttribute("Zurnal")]
 [assembly: System.Reflection.AssemblyTitleAttribute("Zurnal")]
 [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
 
-// Создано классом WriteCodeFragment MSBuild.
+// Generated by the MSBuild WriteCodeFragment class.
 
diff --git a/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfoInputs.cache b/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfoInputs.cache
index 59afe9c..1a05c09 100644
--- a/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfoInputs.cache
+++ b/Zurnal/obj/Debug/net8.0/Zurnal.AssemblyInfoInputs.cache
@@ -1 +1 @@
-0df9278f60a66dc8e6fa4dcbb3c724fa603d832d40511f5c21919f1d6dd33202
+91af4bd6b85cc028ddbbf62d14f2f440aae593b748896e98c6bba89005927b76
diff --git a/Zurnal/obj/Debug/net8.0/Zurnal.csproj.CoreCompileInputs.cache b/Zurnal/obj/Debug/net8.0/Zurnal.csproj.CoreCompileInputs.cache
index 5ea1952..c29fa1a 100644
--- a/Zurnal/obj/Debug/net8.0/Zurnal.csproj.CoreCompileInputs.cache
+++ b/Zurnal/obj/Debug/net8.0/Zurnal.csproj.CoreCompileInputs.cache
@@ -1 +1 @@
-284ebdeb3fab184734b12e3b8ba05c6bb9ebc0011e646a87edcca3ea143abd87
+132477173c8f0b9bd98b70bc6d28240502a0a14c41a11367b550c5913679e10c
diff --git a/Zurnal/tempCodeRunnerFile.cs b/Zurnal/tempCodeRunnerFile.cs
deleted file mode 100644
index 136305e..0000000
--- a/Zurnal/tempCodeRunnerFile.cs
+++ /dev/null
@@ -1,9 +0,0 @@
-using Zurnal.UI;
-using Zurnal.Data.Repository;
-using Zurnal.Domain.UseCase;
-
-GroupRepositoryImpl groupRepositoryImpl = new GroupRepositoryImpl();
-UserRepositoryImpl userRepositoryImpl = new UserRepositoryImpl();
-UserUseCase userUseCase = new UserUseCase(userRepositoryImpl, groupRepositoryImpl);
-
-MainMenuUI mainMenuUI = new MainMenuUI(userUseCase);
\ No newline at end of file