g>
        vditor-icon-table
    </div>
    <div>
        <svg>
            <use xlink:href="#vditor-icon-undo"></use>
        </svg>
        vditor-icon-undo
    </div>
    <div>
        <svg>
            <use xlink:href="#vditor-icon-list"></use>
        </svg>
        vditor-icon-list
    </div>
    <div>
        <svg>
            <use xlink:href="#vditor-icon-up"></use>
        </svg>
        vditor-icon-up
    </div>
    <div>
        <svg>
            <use xlink:href="#vditor-icon-zhihu"></use>
      