e="buttons-checkbox" class="btn-group">
                        <button class="btn btn-primary active" type="button"><i class="fa fa-bold"></i> 粗体</button>
                        <button class="btn btn-primary" type="button"><i class="fa fa-underline"></i> 下划线</button>
                        <button class="btn btn-primary active" type="button"><i class="fa fa-italic"></i> 斜体</button>
                    </div>
                </div>
            </div>
        </div>
        <div clas