기존에 등록된 관련 게시글을 참조하여 아래와 같이 리스트에 카테고리를 노출시킨 후 테스트를 진행했는데 업데이트가 반영되지 않습니다.
아래와 같이 리스트에서 카테고리1, 2를 동시에 업데이트 할 수 있는 방법을 문의드립니다.

그럼 답변 부탁드립니다.
감사합니다.

 <td class="kboard-list-user">
                    <?php if($board->initCategory1()):?>
            <div class="kboard-attr-row">
                <div class="attr-value">
                    <select id="kboard-select-category1" name="category1">
                        <option value=""><?php echo __('Category', 'kboard')?> <?php echo __('Select', 'kboard')?></option>
                        <?php while($board->hasNextCategory()):?>
                        <option value="<?php echo $board->currentCategory()?>"<?php if($content->category1 == $board->currentCategory()):?> selected<?php endif?>><?php echo $board->currentCategory()?></option>
                        <?php endwhile?>
                    </select>
                </div>
            </div>
            <?php endif?>
</td>
                    <td class="kboard-list-user">
                                <?php if($board->initCategory2()):?>
            <div class="kboard-attr-row">
                <div class="attr-value">
                    <select id="kboard-select-category2" name="category2">
                        <option value=""><?php echo __('Category', 'kboard')?> <?php echo __('Select', 'kboard')?></option>
                        <?php while($board->hasNextCategory()):?>
                        <option value="<?php echo $board->currentCategory()?>"<?php if($content->category2 == $board->currentCategory()):?> selected<?php endif?>><?php echo $board->currentCategory()?></option>
                        <?php endwhile?>
                    </select>
                </div>
            </div>
            <?php endif?>
                    </td>
                    <td class="kboard-list-user"><?php echo $content->member_display?></td>
                    <td class="kboard-list-vote"><?php echo $content->option->tel?></td>
                    <td class="kboard-list-date"><?php echo $content->getDate()?></td>
                    <td class="kboard-list-date">
<button type="button" onclick="kboard_new_category_update('<?php echo $content->uid?>', '<?php echo $content->category1?>')">업데이트</button>
<script>
function kboard_new_category_update(content_uid, new_category){
    kboard_content_update(content_uid, {category1:new_category}, function(res){
        if(res.result == 'success'){
            alert('업데이트가 완료되었습니다.');
        }
        else{
            alert(res.message);
        }
    });
}
</script>
</td>