if( !db_role.isEffective() )//有效状态不能直接发起变更
save( db_role );
//变更记录
String remark = null;
AuditStatus status = db_role.getStatus();
EntityChange.Type type = EntityChange.Type.CREATE;
if( AuditStatus.NEW.equals( status )){
type = EntityChange.Type.CREATE;
}else if(AuditStatus.EFFECTIVE.equals(status) ){
type = EntityChange.Type.UPDATE;