!205 update ruoyi-admin/src/main/resources/templates/index-topnav.html.

Merge pull request !205 from Hacker/N/A

ruoyi-admin/src/main/resources/templates/index-topnav.html

@@ -223,7 +223,7 @@
                       </a>
                     </li>
                     
-                    <li role="presentation" id="tab_demo">
+                    <li role="presentation" id="tab_demo" th:if="${demoEnabled}">
                       <a data-toggle="tab" href="#demo">
                         <i class="fa fa-desktop"></i> <span>实例演示</span>
                       </a>