             <span class="lang-field lang-en">Copy</span>  
                  <span class="lang-field lang-cn">复制</span>
                </button>
              </div>
            </div>
          </div>
        </div>
      </div>
      <div class="btn-group col-xs-3 col-lg-4"></div>
      <div class="btn-group col-xs-6 col-lg-4 my-1" role="group">
        <button id="btn-start" class="btn btn-success btn-sm rounded-2 fw-bold" disabled type="button" onclick="startScan()">
          <span class="lang-fi