diff --git a/demo.html b/demo.html
index 4f452c3..ae52bfa 100644
--- a/demo.html
+++ b/demo.html
@@ -106,7 +106,6 @@
         </div>
         <div class="background blur"></div>
     </div>
-
     <div id="mac-menu" class="hidden backgroud_blur">
         <div class="list mac-menu-hidden animated animated-slideOutLeft">
             <div class="item"><i class="icon fa fa-wrench fa-fw"></i><span>API测试</span></div>
@@ -157,7 +156,7 @@
                                                                            alt="trashicon"/></a>
         </div>
     </div>
-    <div id="launchpad" class="backgroud_blur hidden">
+    <div id="launchpad" class="launchpad backgroud_blur hidden">
         <div id="app-serach-box" class="app-serach-box">
             <form action="" class="search">
                 <div class="serach-box">