如何更新订阅

<h1 style="color:red; text-align:center;">Win电脑，Mac电脑</h1>
<div style="display:flex; flex-wrap:wrap; justify-content:center;">
    <img src="/media/202510/pc_1761798769.png" alt="图片1" 
         style="width:100%; max-width:620px; margin:8px; border:2px solid #ddd; border-radius:8px; box-shadow:0 2px 5px rgba(0,0,0,0.1);"></div>

<h1 style="color:red; text-align:center;">安卓手机，平板</h1>
<h3 style="text-align:center;">启动Clash，点击“配置”，进入下图界面</h3>
<div style="display:flex; flex-wrap:wrap; justify-content:center;">
    <img src="/media/202510/anzhuo_1761798863.png" alt="图片1" 
         style="width:100%; max-width:320px; margin:8px; border:2px solid #ddd; border-radius:8px; box-shadow:0 2px 5px rgba(0,0,0,0.1);"></div>
  <div> <a href="/doc/2/"
     style="
       display:flex;
       align-items:center;
       justify-content:center;
       width:50%;
       height:60px;
       margin:15px auto;
       background:#4a90e2;
       color:#fff;
       border-radius:8px;
       text-decoration:none;
       font-size:18px;
       font-weight:500;
       line-height:1;
     ">
     返回上一页
  </a></div>
    <div> <a href="/doc/1/"
     style="
       display:flex;
       align-items:center;
       justify-content:center;
       width:50%;
       height:60px;
       margin:15px auto;
       background:#4a90e2;
       color:#fff;
       border-radius:8px;
       text-decoration:none;
       font-size:18px;
       font-weight:500;
       line-height:1;
     ">
     回到教程首页
  </a></div>