diff --git a/_data/navigation.yml b/_data/navigation.yml
index 9870530..682f231 100644
--- a/_data/navigation.yml
+++ b/_data/navigation.yml
@@ -52,6 +52,9 @@
       link: /markdown/about/
     - name: 衛星計畫
       link: /markdown/SatelliteProject/
+    - name: 討論區
+      link: https://github.com/cypherpunks-core/cypherpunks-core.github.io/discussions
+      external: true
     - name: GitHub
       link: https://github.com/cypherpunks-core
       external: true
diff --git a/_includes/footer.html b/_includes/footer.html
index 9a3b721..442c2e4 100644
--- a/_includes/footer.html
+++ b/_includes/footer.html
@@ -149,6 +149,14 @@ <h4 class="text-cp-green-500 font-mono font-bold mb-4 text-sm uppercase tracking
               Signal
             </a>
           </li>
+          <li>
+            <a href="https://github.com/cypherpunks-core/cypherpunks-core.github.io/discussions" target="_blank" rel="noopener noreferrer" class="inline-flex items-center gap-2 text-cp-dark-700 hover:text-cp-green-500 text-sm font-mono transition-colors">
+              <svg class="w-4 h-4" fill="currentColor" viewBox="0 0 24 24">
+                <path d="M1.5 4.25c0-.966.784-1.75 1.75-1.75h17.5c.966 0 1.75.784 1.75 1.75v12.5a1.75 1.75 0 01-1.75 1.75h-9.69l-3.573 3.573A1.458 1.458 0 015 21.043V18.5H3.25a1.75 1.75 0 01-1.75-1.75V4.25zM3.25 4a.25.25 0 00-.25.25v12.5c0 .138.112.25.25.25h2.5a.75.75 0 01.75.75v3.19l3.72-3.72a.749.749 0 01.53-.22h10a.25.25 0 00.25-.25V4.25a.25.25 0 00-.25-.25H3.25z"/>
+              </svg>
+              討論區
+            </a>
+          </li>
         </ul>
       </div>