diff --git a/java/src/main/java/com/hzu/bookingsystem/repository/UserCourseRepository.java b/java/src/main/java/com/hzu/bookingsystem/repository/UserCourseRepository.java
new file mode 100644
index 0000000..13c4387
--- /dev/null
+++ b/java/src/main/java/com/hzu/bookingsystem/repository/UserCourseRepository.java
@@ -0,0 +1,33 @@
+package com.hzu.bookingsystem.repository;
+
+import com.hzu.bookingsystem.bean.UserCourse;
+import org.apache.ibatis.annotations.Mapper;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+
+@Mapper
+public interface UserCourseRepository extends JpaRepository<UserCourse,String> {
+
+
+
+    UserCourse findByUcId(Integer uc_id);
+
+
+    UserCourse save(UserCourse uc_id) ;
+
+
+    List<UserCourse> findAll() ;
+
+
+    List<UserCourse> findByUIdAndYearAndSemester(Integer u_id,String year,Integer semester) ;
+
+
+
+
+
+    void deleteByUcId(Integer uc_id);
+
+
+
+}