diff --git a/src/components/Footer.astro b/src/components/Footer.astro
index 4b86063..eb9827f 100644
--- a/src/components/Footer.astro
+++ b/src/components/Footer.astro
@@ -40,7 +40,7 @@ const year = date.getFullYear();
             <a href="//github.com/austin2035/astro-air-blog">astro-air-blog</a>
           </div>
           <div>
-            <a href="https://beian.miit.gov.cn/" target="_blank" class="text-xs ml-2">浙ICP备2021030831</a>
+            <a href="https://beian.miit.gov.cn/" target="_blank" class="text-xs ml-2">浙ICP备2021030831号</a>
           </div>
         </div>
       </div>