diff --git a/404.html b/404.html
index c812ec3..312bb40 100644
--- a/404.html
+++ b/404.html
@@ -31,5 +31,20 @@ <h1>PROPHET LOST</h1>
         </a>
       </p>
     </footer>
+    <!-- Piwik -->
+    <script type="text/javascript">
+      var _paq = _paq || [];
+      _paq.push(['trackPageView']);
+      _paq.push(['enableLinkTracking']);
+      (function() {
+        var u="//piwik.multibao.org/";
+        _paq.push(['setTrackerUrl', u+'piwik.php']);
+        _paq.push(['setSiteId', 1]);
+        var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
+        g.type='text/javascript'; g.async=true; g.defer=true; g.src=u+'piwik.js'; s.parentNode.insertBefore(g,s);
+      })();
+    </script>
+    <noscript><p><img src="//piwik.multibao.org/piwik.php?idsite=1" style="border:0;" alt="" /></p></noscript>
+    <!-- End Piwik Code --> 
   </body>
 </html>
diff --git a/503.html b/503.html
index 4261f5b..bdb8765 100644
--- a/503.html
+++ b/503.html
@@ -22,5 +22,20 @@ <h1>ALONE IN THE DARK</h1>
         </a>
       </p>
     </footer>
+    <!-- Piwik -->
+    <script type="text/javascript">
+      var _paq = _paq || [];
+      _paq.push(['trackPageView']);
+      _paq.push(['enableLinkTracking']);
+      (function() {
+        var u="//piwik.multibao.org/";
+        _paq.push(['setTrackerUrl', u+'piwik.php']);
+        _paq.push(['setSiteId', 1]);
+        var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
+        g.type='text/javascript'; g.async=true; g.defer=true; g.src=u+'piwik.js'; s.parentNode.insertBefore(g,s);
+      })();
+    </script>
+    <noscript><p><img src="//piwik.multibao.org/piwik.php?idsite=1" style="border:0;" alt="" /></p></noscript>
+  <!-- End Piwik Code -->
   </body>
 </html>