feat: 备案号链接

src/components/HomePageFooter.vue

@@ -14,7 +14,12 @@
         </li>
       </ul>
       <div class="footer-text">
-        <span class="footer-icp">{{ icp }}</span>
+        <a
+          class="footer-icp"
+          target="_blank"
+          href="https://beian.miit.gov.cn/"
+          >{{ icp }}</a
+        >
         <span class="footer-copyright"
           >© 2015-{{ year }} {{ hostname }} All rights reserved.</span
         >
@@ -110,6 +115,11 @@ export default {
   margin-left: 6px;
 }
 
+.footer-icp {
+  color: inherit;
+  text-decoration: none;
+}
+
 .footer-mp {
   display: flex;
   align-items: flex-start;