每次重启HSQLDB服务器时，我每次都必须设置HSQLDB SA密码吗？

I started HsqlDB in server mode and set password for administrator account SA. Then I shutted down the server. Then I started the server again, but the password was gone. Must I set HSQLDB SA password again every time whenever I restart HSQLDB server? How to make the password set automatically?I started HsqlDB in server mode and set passwor