diff --git a/TC1/http_server/web/index.html b/TC1/http_server/web/index.html
index aa71391..614d228 100644
--- a/TC1/http_server/web/index.html
+++ b/TC1/http_server/web/index.html
@@ -33,11 +33,9 @@
             <li class="mdl-menu__item" onclick="ChangeLanguage('cn')">中文</li>
             <li class="mdl-menu__item" onclick="ChangeLanguage('jp')">日本語</li>
           </ul>
-          <div>
-              <a href="javascript:reboot();" class="mdl-button mdl-js-button mdl-js-ripple-effect">
-                重启
-              </a>
-            </div>
+          <button onclick="reboot()" class="mdl-button mdl-js-button mdl-js-ripple-effect mdl-button--icon" id="rebootbtn">
+            <i class="material-icons"><svg><use xlink:href="#icon-reboot" /></svg></i>
+          </button>
         </div>
       </header>
       <div class="demo-drawer mdl-layout__drawer mdl-color--blue-grey-900 mdl-color-text--blue-grey-50">
@@ -443,6 +441,10 @@
      <path d="M0 0h24v24H0z" fill="none"/>
      <path d="M12.87 15.07l-2.54-2.51.03-.03c1.74-1.94 2.98-4.17 3.71-6.53H17V4h-7V2H8v2H1v1.99h11.17C11.5 7.92 10.44 9.75 9 11.35 8.07 10.32 7.3 9.19 6.69 8h-2c.73 1.63 1.73 3.17 2.98 4.56l-5.09 5.02L4 19l5-5 3.11 3.11.76-2.04zM18.5 10h-2L12 22h2l1.12-3h4.75L21 22h2l-4.5-12zm-2.62 7l1.62-4.33L19.12 17h-3.24z"/>
     </g>
+    <g id="icon-reboot">
+      <path d="M0 0h24v24H0z" fill="none"/>
+      <path d="M12,4C14.1,4 16.1,4.8 17.6,6.3C20.7,9.4 20.7,14.5 17.6,17.6C15.8,19.5 13.3,20.2 10.9,19.9L11.4,17.9C13.1,18.1 14.9,17.5 16.2,16.2C18.5,13.9 18.5,10.1 16.2,7.7C15.1,6.6 13.5,6 12,6V10.6L7,5.6L12,0.6V4M6.3,17.6C3.7,15 3.3,11 5.1,7.9L6.6,9.4C5.5,11.6 5.9,14.4 7.8,16.2C8.3,16.7 8.9,17.1 9.6,17.4L9,19.4C8,19 7.1,18.4 6.3,17.6Z"/>
+    </g>
     <g id="icon-arrow_drop_down">
       <path d="M7 10l5 5 5-5z"/>
       <path d="M0 0h24v24H0z" fill="none"/>