diff --git a/css/okadmin.css b/css/okadmin.css
index c4e3cef..2a485ad 100644
--- a/css/okadmin.css
+++ b/css/okadmin.css
@@ -26,8 +26,9 @@
 .weather{margin: 15px 0 0 20px;}
 .textMarquee{float:left;width:450px;margin-top: 20px;}
 .layui-nav-tree .layui-nav-child a{padding-left:36px}
-.content-body{position:absolute;top:46px;right:0;bottom:42px;left:200px;z-index:1;overflow:hidden}
-.content-body .layui-tab-content{position:absolute;top:50px;bottom:0;width:100%;padding:0;z-index:-999;overflow:hidden}
+.content-body{position:absolute;top:60px;right:0;bottom:42px;left:200px;z-index:1;overflow:hidden;}
+.content-body .layui-tab{margin:-1px 0 0 0;}
+.content-body .layui-tab-content{position:absolute;top:40px;bottom:0;width:100%;padding:0;z-index:-999;overflow:hidden}
 .content-body .layui-tab-content .layui-tab-item{height:100%}
 .content-body .layui-tab-content .layui-tab-item iframe{height:100%}
 @media screen and (max-width:992px){