diff --git a/java/src/main/java/com/hzu/bookingsystem/repository/UserRepository.java b/java/src/main/java/com/hzu/bookingsystem/repository/UserRepository.java
index f7900fe..11ea2c1 100644
--- a/java/src/main/java/com/hzu/bookingsystem/repository/UserRepository.java
+++ b/java/src/main/java/com/hzu/bookingsystem/repository/UserRepository.java
@@ -8,4 +8,6 @@ public interface UserRepository extends JpaRepository<User,String> {
     User findByUId(Integer uId);
 
     void deleteByUId(Integer uId);
+
+    User findByUsernameAndPassword(String username,String password);
 }