Html 代码在登台时自动修复，但在产品上不修复

我有一个基于 Hugo 构建的网站，在实现新功能时，由于不正确地关闭 </code> 标记而犯了一个错误。奇怪的是，这个错误并没有在临时环境中显现出来，<code><iframe></code> 标记已为不同浏览器和国家/地区的用户修复（我认为是由浏览器自动修复）。然而，在生产服务器上，错误的关闭标签导致布局中断。我不确定要调查哪个方向才能解决问题的根源。我确实认为这与hugo无关。</p> <ol> <li>如果您能提出在登台环境中而非生产环境中一切正常的可能原因，我将不胜感激？</li> <li>是否有某种方法可以防止在登台时自动修复标签？</li> </ol></p></div><div class='info mb-10'><a rel="nofollow" href=" http://m.php.cn/zh/member/1271974.html"><img src='https://www.php.cn/static/images/user_avatar.jpg' alt="P粉464113078"><span style="margin-left: 5px;">P粉464113078</span></a><span class='pl-10'>387 天前</span><span class='pl-10'>1013 <b class="kclbcollectb"></b></span></div></div><div class="course-list discuss layui-clear bg-white"><h3>全部回复(1)<span class="detail_answer"><span id="discuss-wenda">我来回复</span></span></h3><li class="layui-clear"><div class="discuss-img"><img src="https://www.php.cn/static/images/user_avatar.jpg" alt="P粉998920744"></div><div class="info f-left ml-10"><p><a rel="nofollow" href="http://m.php.cn/zh/member/1271518.html" fid="" class="replyer-name">P粉998920744</a><span>2023-09-16 12:07:19</span></p><p class="content Overflow_line"><p>也许您使用不同的浏览器进行了测试。</p> <p>使用 <a href="https://validator.w3.org/" rel="nofollow noreferrer">https://validator.w3.org/</a> 等内容验证您的 HTML。</ p></p><span class="detail_answer2" style="float: left" fid="256548"><div class="btn wenda-second-btn" name="P粉998920744" fid="256548">回复</div></span><i class="layui-icon layui-icon-praise wenda-praise-btn"><span>0</span></i></div></li><div class='more'></div></div><div class='discuss-submit bg-white'><li class='info layui-clear'><span class='f-left' id='discuss-submit-close'>取消</span><span class='f-left wenda-reply-text'>回复</span></li><li class='layui-clear'><textarea type='text' rows="6" placeholder="请输入您的评论内容" class="wenda-reply-content-text"></textarea></li><li class='layui-clear'><button class="layui-btn layui-btn-danger f-right wenda-reply-publish-button">发布</button></li></div><div class='lock-screen' id='lock-screen'></div><script 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