private DashboardUserVO loginByDatabase(final String userName, final String password) {
        return findByQuery(userName, DigestUtils.sha512Hex(password));
    }
modify password.

@param dashboardUserModifyPasswordDTO {@linkplain DashboardUserModifyPasswordDTO}
@return rows
shenyu-admin/src/main/java/org/apache/shenyu/admin/service/impl/DashboardUserServiceImpl.java