diff --git a/public/images/beian.png b/public/images/beian.png
new file mode 100644
index 0000000..66b3ebb
Binary files /dev/null and b/public/images/beian.png differ
diff --git a/src/components/Footer.astro b/src/components/Footer.astro
index ffe7c1d..33e2d2b 100644
--- a/src/components/Footer.astro
+++ b/src/components/Footer.astro
@@ -8,50 +8,73 @@ const t = getTranslations(lang);
 <footer class="footer">
   <p set:html={t.footer.githubIntro} />
   <p set:html={t.footer.repoIntro} />
+
+  <div
+    style="display: flex; flex-direction: column; align-items: center; font-size: 0.7rem; padding-bottom: 12px;"
+  >
+    <!-- 备案信息 -->
+    <div class="beian" style="display: flex; gap: 4px; justify-content: center">
+      <a href="https://beian.miit.gov.cn" target="_blank" style="color: gray;"
+        >赣ICP备2025059789号</a
+      >
+      <span>|</span>
+      <a
+        href="https://beian.mps.gov.cn/#/query/webSearch?code=36020002000597"
+        target="_blank"
+        style="display: flex; gap: 2px; color: gray;"
+      >
+        <img
+          src="/images/beian.png"
+          style="height: 1em; vertical-align: middle; margin-top: 4px;"
+        />
+        <span>赣公网安备36020002000597号</span>
+      </a>
+    </div>
+  </div>
+
+  <style>
+    .footer {
+      margin-top: 1rem;
+      padding: 1.5rem 0 0;
+      font-size: 0.95rem;
+      opacity: 0.9;
+      position: relative;
+    }
+
+    .footer::before {
+      content: "";
+      display: block;
+      width: 100%;
+      height: 12px;
+      margin-bottom: 1rem;
+      background: repeating-linear-gradient(
+        -45deg,
+        #e96b6b 0 14px,
+        transparent 14px 28px,
+        #7da2ff 28px 42px,
+        transparent 42px 56px
+      );
+      pointer-events: none;
+    }
+
+    .footer p {
+      margin: 0.4rem 0;
+    }
+
+    .footer a {
+      color: #7fb3ff;
+      font-weight: 700;
+      text-decoration: underline;
+    }
+
+    :global(.dark) .footer::before {
+      background: repeating-linear-gradient(
+        -45deg,
+        #ff8a8a 0 14px,
+        transparent 14px 28px,
+        #9ecbff 28px 42px,
+        transparent 42px 56px
+      );
+    }
+  </style>
 </footer>
-
-<style>
-  .footer {
-    margin-top: 1rem;
-    padding: 1.5rem 0 0;
-    font-size: 0.95rem;
-    opacity: 0.9;
-    position: relative;
-  }
-
-  .footer::before {
-    content: "";
-    display: block;
-    width: 100%;
-    height: 12px;
-    margin-bottom: 1rem;
-    background: repeating-linear-gradient(
-      -45deg,
-      #e96b6b 0 14px,
-      transparent 14px 28px,
-      #7da2ff 28px 42px,
-      transparent 42px 56px
-    );
-    pointer-events: none;
-  }
-
-  .footer p {
-    margin: 0.4rem 0;
-  }
-
-  .footer a {
-    color: #7fb3ff;
-    font-weight: 700;
-    text-decoration: underline;
-  }
-
-  :global(.dark) .footer::before {
-    background: repeating-linear-gradient(
-      -45deg,
-      #ff8a8a 0 14px,
-      transparent 14px 28px,
-      #9ecbff 28px 42px,
-      transparent 42px 56px
-    );
-  }
-</style>