diff --git a/StudentProgressRecord/Entity/Department.cs b/StudentProgressRecord/Entity/Department.cs
index 4f018ae..246cc5f 100644
--- a/StudentProgressRecord/Entity/Department.cs
+++ b/StudentProgressRecord/Entity/Department.cs
@@ -17,11 +17,12 @@ namespace StudentProgressRecord.Entity
 
         public static Department CreateDepartment(long id, string DepartmentName, long facultyId)
         {
-            return new Department 
-            { 
+            return new Department
+            {
                 Id = id,
-                DepartmentName = DepartmentName, 
-                facultyId = facultyId 
+                DepartmentName = DepartmentName,
+                facultyId = facultyId
             };
+        }
     }
 }
diff --git a/StudentProgressRecord/IRepositories/IGroupRepository.cs b/StudentProgressRecord/IRepositories/IGroupRepository.cs
index 03213d4..e73f1e3 100644
--- a/StudentProgressRecord/IRepositories/IGroupRepository.cs
+++ b/StudentProgressRecord/IRepositories/IGroupRepository.cs
@@ -1,8 +1,9 @@
-using System;
+using StudentProgressRecord.Entity;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
-using System.Text.RegularExpressions;
+
 using System.Threading.Tasks;
 
 namespace StudentProgressRecord.Repositories
diff --git a/StudentProgressRecord/Program.cs b/StudentProgressRecord/Program.cs
index 03f352d..676d5d5 100644
--- a/StudentProgressRecord/Program.cs
+++ b/StudentProgressRecord/Program.cs
@@ -1,3 +1,4 @@
+
 namespace StudentProgressRecord
 {
     internal static class Program
@@ -13,5 +14,6 @@ namespace StudentProgressRecord
             ApplicationConfiguration.Initialize();
             Application.Run(new Form1());
         }
+
     }
 }
\ No newline at end of file
diff --git a/StudentProgressRecord/RepositoryImp/GroupRepository.cs b/StudentProgressRecord/RepositoryImp/GroupRepository.cs
index 530784f..822ecf5 100644
--- a/StudentProgressRecord/RepositoryImp/GroupRepository.cs
+++ b/StudentProgressRecord/RepositoryImp/GroupRepository.cs
@@ -1,24 +1,22 @@
 using StudentProgressRecord.Entity;
-using StudentProgressRecord.Repositories;
 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
-
 using System.Threading.Tasks;
 
-namespace StudentProgressRecord.RepositoryImp
+namespace StudentProgressRecord.Repositories
 {
     public class GroupRepository : IGroupRepository
     {
         public void CreateGroup(Group group)
         {
-
+           
         }
 
         public void DeleteGroup(long id)
         {
-
+            
         }
 
         public Group ReadGroupById(long id)
@@ -33,7 +31,7 @@ namespace StudentProgressRecord.RepositoryImp
 
         public void UpdateGroup(Group group)
         {
-
+           
         }
     }
 }