diff --git a/css/libCss/common.css b/css/libCss/common.css
index ac35ae9..8df5366 100644
--- a/css/libCss/common.css
+++ b/css/libCss/common.css
@@ -2,6 +2,7 @@ body{
     position: relative;
 }
 body,html{
+    overflow: hidden;
     width: 100%;
     height: 100%;
 }
@@ -23,4 +24,6 @@ section{
     width: 100%;
     height: 100%;
     padding-left: 100px;
+    /* padding-top: 100px; */
+    margin-top: -100px;
 }
\ No newline at end of file
diff --git a/index.html b/index.html
index 3bcc581..2adb5c9 100644
--- a/index.html
+++ b/index.html
@@ -6,6 +6,9 @@
     <meta name="renderer" content="ie-comp">
     <meta name="renderer" content="ie-stand">
     <meta name="google" content="notranslate" />
+    <meta http-equiv="pragma" content="no-cache">
+    <meta http-equiv="cache-control" content="no-cache">
+    <meta http-equiv="expires" content="0">
     <title>首页</title>
     <link rel="stylesheet" href="css/libCss/common.css">
     <link rel="stylesheet" href="css/libCss/bootstrap.min.css">