        <use xlink:href="#vditor-icon-insert-columnb"></use>
        </svg>
        vditor-icon-insert-columnb
    </div>
    <div>
        <svg>
            <use xlink:href="#vditor-icon-italic"></use>
        </svg>
        vditor-icon-italic
    </div>
    <div>
        <svg>
            <use xlink:href="#vditor-icon-link"></use>
        </svg>
        vditor-icon-link
    </div>
    <div>
        <svg>
            <use xlink:href="#vditor-icon-outdent"></use>
        </svg>
        vditor-icon-outdent
 