diff --git a/index.html b/index.html
index f762df2..4d9c959 100644
--- a/index.html
+++ b/index.html
@@ -37,13 +37,13 @@
                 <ul class="layui-nav layui-layout-right">
                     <li class="no-line layui-nav-item layui-hide-xs">
                         <a id="notice" class="flex-vc pr10 pl10" href="javascript:">
-                            <i class="ok-iconbell icon-head-i"></i><cite>系统公告</cite>
+                            <i class="ok-icon ok-icon-notice icon-head-i" title="系统公告"></i><cite></cite>
                         </a>
                     </li>
 
                     <li class="no-line layui-nav-item layui-hide-xs">
                         <a id="lock" class="flex-vc pr10 pl10" href="javascript:">
-                            <i class="ok-icon ok-icon-lock icon-head-i"></i><cite>锁屏</cite>
+                            <i class="ok-icon ok-icon-lock icon-head-i" title="锁屏"></i><cite></cite>
                         </a>
                     </li>