fix index sw req

docs/index.html

@@ -128,11 +128,11 @@
             ga: 'UA-131246469-2'
         };
     </script>
-    <script>
+    <!-- <script>
         if (typeof navigator.serviceWorker !== 'undefined') {
             navigator.serviceWorker.register('sw.js')
         }
-    </script>
+    </script> -->
     <script>
         window.onload = function() {
             // setInterval(function(){