diff --git a/index.html b/index.html
index 2e6f1c8..5ff20cc 100644
--- a/index.html
+++ b/index.html
@@ -17,7 +17,11 @@
 
         body {
             background-color: #ececec;
-            /*font-family: Tahoma, monospace;*/
+        }
+
+        .main-title {
+            font-size: 20px;
+            font-weight: bold;
         }
 
         footer {
@@ -46,23 +50,6 @@
         .main-container {
             padding-bottom: var(--footer-height);
         }
-
-        code {
-            font-family: "monospace";
-        }
-
-        .code-con {
-            width: fit-content;
-            padding: 8px;
-            margin-top: 8px;
-            border-color: #808080 #ffffff #ffffff #808080;
-            border-width: 2px;
-            border-style: solid;
-        }
-
-        .code-con div {
-            line-height: 1.5;
-        }
     </style>
 
     <script>
@@ -88,90 +75,28 @@
 
 <body>
     <div class="main-container">
-        <!-- <div style="font-size: 20px; font-weight: bold;">资源</div> -->
-        <div style="font-size: 20px; font-weight: bold;">Linux 换软件源</div>
+        <div class="main-title">公开子站点</div>
+        <ul>
+            <li>API: <a href="https://api.cancerai.top" target="_blank">https://api.cancerai.top</a></li>
+            <li>资源站: <a href="https://assets.cancerai.top" target="_blank">https://assets.cancerai.top</a></li>
+        </ul>
+
+        <div class="main-title">Linux 换软件源</div>
         <ul>
             <li>
-                <h4>debian 12</h4>
-                wget:
-                <div class="code-con">
-                    <div>
-                        wget -O sources.list https://assets.cancerai.top/linux-repo/debian_12_x86-64/sources.list
-                    </div>
-                    <div>
-                        cat sources.list > /etc/apt/sources.list
-                    </div>
-                    <div>
-                        rm -rf sources.list
-                    </div>
-                    <div>
-                        apt update
-                    </div>
-                </div>
-                <div style="margin-top: 8px"></div>
-                curl:<br>
-                <div class="code-con">
-                    <div>
-                        curl https://assets.cancerai.top/linux-repo/debian_12_x86-64/sources.list
-                    </div>
-                    <div>
-                        /etc/apt/sources.list
-                    </div>
-                    <div>
-                        apt update
-                    </div>
-                </div>
+                debian12 (x86_64): <a
+                    href="https://assets.cancerai.top/linux-repo/debian_12_x86-64/how_to_use.txt" target="_blank">How to use</a>
             </li>
-            <br>
+
             <li>
-                <h4>debian 13</h4>
-                wget:<br>
-                <div class="code-con">
-                    <div>
-                        wget -O sources.list https://assets.cancerai.top/linux-repo/debian_13_arm64/sources.list
-                    </div>
-                    <div>
-                        cat sources.list > /etc/apt/sources.list
-                    </div>
-                    <div>
-                        rm -rf sources.list
-                    </div>
-                    <div>
-                        apt update
-                    </div>
-                </div>
-                <div style="margin-top: 8px"></div>
-                curl:<br>
-                <div class="code-con">
-                    <div>
-                        curl https://assets.cancerai.top/linux-repo/debian_13_arm64/sources.list
-                    </div>
-                    <div>
-                        /etc/apt/sources.list
-                    </div>
-                    <div>
-                        apt update
-                    </div>
-                </div>
+                debian13 (arm64): <a
+                    href="https://assets.cancerai.top/linux-repo/debian_13_arm64/how_to_use.txt" target="_blank">How to use</a>
             </li>
             <br>
         </ul>
-
-        <!--    <div>homebrew软件源</div>-->
-        <!--    <ul>-->
-        <!--        <li>-->
-        <!--            版本 >= 4.x<br>-->
-        <!--            <code>-->
-        <!--                echo '<br>-->
-        <!--                export HOMEBREW_API_DOMAIN="https://mirrors.tuna.tsinghua.edu.cn/homebrew-bottles/api"<br>-->
-        <!--                export HOMEBREW_BOTTLE_DOMAIN="https://mirrors.tuna.tsinghua.edu.cn/homebrew-bottles"<br>-->
-        <!--                ' >> ~/.zshrc && . ~/.zshrc && brew update-->
-        <!--            </code>-->
-        <!--        </li>-->
-        <!--    </ul>-->
         <hr>
 
-        <div style="font-size: 20px; font-weight: bold;">个人git仓库地址</div>
+        <div class="main-title">个人git仓库地址</div>
         <ul>
             <li>https://git.cancerai.top/cancerai</li>
             <li>https://github.com/CancerXiaoAi</li>
@@ -180,7 +105,7 @@
         <p></p>
         <hr>
 
-        <div style="font-size: 20px; font-weight: bold;">更新日志</div>
+        <div class="main-title">更新日志</div>
         <ul id="update-list">
         </ul>
     </div>