boolean find;
            for(find = false; i > 0; --i) {
                char c = siblings.charAt(i);
                if (c == '\\' || c == '/') {
                    find = true;
                    break;
                }
            }

            if (find) {
                String parent = siblings.substring(0, i + 1);
                 **relResourceId = parent.concat(resourceId);** 
            } else {
                relResourceId = resourceId;
            }
        } else {
            relResourceId = resourceId;
        }

        if (isOutsideOfRoot(relResourceId)) {
            throw new RuntimeException("不能访问外部文件或者模板");
        } else {
            return relResourceId;
        }
    } else {
        throw new RuntimeException("资源ID为空，参数错");
    }
}