王伟让改一个必填项为选填

examcloud-core-basic-dao/src/main/java/cn/com/qmth/examcloud/core/basic/dao/entity/PrivilegeGroupEntity.java

@@ -56,7 +56,7 @@ public class PrivilegeGroupEntity extends JpaEntity {
 	/**
 	 * 顶级机构ID
 	 */
-	@Column(nullable = false)
+	@Column(nullable = true)
 	private Long rootOrgId;
 
 	/**