$ses_phonenum=$row_info[0];
        $ses_passwd=$row_info[1];
        session_register("ses_phonenum");
        session_register("ses_passwd");改成...        session_register("ses_phonenum");
        session_register("ses_passwd");
        $_SESSION['ses_phonenum']=$row_info[0];
        $_SESSION['ses_passwd']=$row_info[1];