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修改 themes\next\layout\_macro<span style=“color:red”>post.swig 兩個 if 判斷子句中加入 and post.updated > post.date

<div class="post-meta">
  <span class="post-time">
    {% if theme.post_meta.created_at and theme.post_meta.updated_at and post.updated > post.date %}
      <span class="post-meta-divider">|</span>
    {% endif %}

    {% if theme.post_meta.updated_at and post.updated > post.date %}
      <span class="post-meta-item-icon">
        <i class="fa fa-calendar-check-o"></i>
      </span>
      {% if theme.post_meta.item_text %}
        <span class="post-meta-item-text">{{ __('post.modified') }}&#58;</span>
      {% endif %}
      <time title="{{ __('post.modified') }}" itemprop="dateModified" datetime="{{ moment(post.updated).format() }}">
        {{ date(post.updated, config.date_format) }}
      </time>
    {% endif %}
  </span>