type="radio" name="expire_at" value="30" title="1个月">
                            <input type="radio" name="expire_at" value="0" title="永久">
                        </div>
                    </div>
                    <div class="layui-form-item">
                        <label class="layui-form-label">提取码</label>
                        <div class="layui-input-inline">
                            <input type="text" name="share_password" value="" placeholder="为空则不设置提取码" clas