....

examcloud-core-examwork-dao/src/main/java/cn/com/qmth/examcloud/core/examwork/dao/entity/CourseGroupRelation.java

@@ -1,12 +1,12 @@
 package cn.com.qmth.examcloud.core.examwork.dao.entity;
 
-import java.io.Serializable;
-
 import javax.persistence.Entity;
 import javax.persistence.Id;
 import javax.persistence.IdClass;
 import javax.persistence.Table;
 
+import cn.com.qmth.examcloud.commons.web.jpa.JpaEntity;
+
 /**
  * 课程组关联课程
  * 
@@ -16,7 +16,7 @@ import javax.persistence.Table;
 @Entity
 @Table(name = "ecs_e_course_group_relation")
 @IdClass(CourseGroupRelationPK.class)
-public class CourseGroupRelation implements Serializable {
+public class CourseGroupRelation extends JpaEntity {
 
 	private static final long serialVersionUID = -3335725218626631530L;