diff --git a/StudentProgressRecord/RepositoryImp/SubjectRepository.cs b/StudentProgressRecord/RepositoryImp/SubjectRepository.cs
index 9126d3f..47efba3 100644
--- a/StudentProgressRecord/RepositoryImp/SubjectRepository.cs
+++ b/StudentProgressRecord/RepositoryImp/SubjectRepository.cs
@@ -3,7 +3,7 @@ using Microsoft.Extensions.Logging;
 using Newtonsoft.Json;
 using Npgsql;
 using StudentProgressRecord.Entity;
-using StudentProgressRecord.Entity.Enums;
+using StudentProgressRecord.IRepositories;
 using StudentProgressRecord.Repositories;
 using System;
 using System.Collections.Generic;