diff --git a/src/index.html b/src/index.html
index 36a0510..cbaae6b 100644
--- a/src/index.html
+++ b/src/index.html
@@ -130,13 +130,13 @@ jQuery(document).ready(function($){
 
 <header class="page-header">
   <nav class="navbar navbar-default clearfix" style="background-color:#0824f8">
-    <div class="container">
+    <div class="container" style="">
       <a class="navbar-toggle collapsed mmenu-btn" href="#mmenu"><i class="fa fa-reorder"></i></a>
       <img  src="./skin/images/logo.png" style="width:131.19px;height:40.58px;margin-top: 15px;"/>
       <div class="main-navigation-wrapper" id="main-nav">
         <div class="collapse navbar-collapse" id="navbar-collapse">
           <ul class="nav navbar-nav main-navigation clearfix">
-            <li > <a class="menu1" href="./index.html">首页</a></li>
+            <li ><a class="menu1" href="./index.html">首页</a></li>
             <!-- <li class="Lev1 dropdown "> <a class="menu1 dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false" href="./about/index.html" class="menu1">公司简介 
               <i class="fa fa-caret-down"></i> </a>
               <ul class="dropdown-menu sub-menu2" role="menu">
diff --git a/src/skin/css/main.css b/src/skin/css/main.css
index 5f60179..7fce955 100644
--- a/src/skin/css/main.css
+++ b/src/skin/css/main.css
@@ -1451,7 +1451,7 @@ textarea {
 	width: 100%;
 	height: 100%;
 	content: '';
-	border: 2px #969696 solid;
+	border: 1px #0824f8 solid;
 	pointer-events: none;
 	-webkit-transition: all 0.3s ease-out;
 	-moz-transition: all 0.3s ease-out;
@@ -1704,6 +1704,7 @@ textarea {
 .navbar-default {
 	background: none;
 	border: none;
+	border-bottom: 2px solid #000000;
 }
 .navbar-default.navbar-fixed-top {
 	background-color: #FFF;
diff --git a/src/skin/css/tk.css b/src/skin/css/tk.css
index 1bd5976..3cce94e 100644
--- a/src/skin/css/tk.css
+++ b/src/skin/css/tk.css
@@ -76,6 +76,7 @@ b, strong {
 #navbar-collapse .menu1 {
 	border: none;
 	padding: 25px 15px;
+	font-size: 18px;
 }
 #navbar-collapse .menu1:hover, #navbar-collapse .menu1:active {
 	color: #cccccc;
@@ -1495,8 +1496,8 @@ h2.post-title {
 }
 @media (min-width:1570px) {
 .container {
-	max-width: 1170px;
-	width: 1170px;
+	max-width: 1320px;
+	width: 1320px;
 }
 /*#navbar-collapse .menu1{border:none;padding:25px 24px;}
 	#product-adv .description{line-height:2.1;}*/
@@ -1504,7 +1505,7 @@ h2.post-title {
 @media (min-width:1890px) {
 .container {
 	/* max-width: 1370px; */
-	width: 1370px;
+	width: 1480px;
 }
 #navbar-collapse .menu1 {
 	border: none;
diff --git a/src/skin/images/adv-1.jpg b/src/skin/images/adv-1.jpg
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diff --git a/src/skin/images/quote-bg-ie8.jpg b/src/skin/images/quote-bg-ie8.jpg
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diff --git a/src/skin/images/video-bg-ie8.jpg b/src/skin/images/video-bg-ie8.jpg
deleted file mode 100644
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diff --git a/src/skin/images/why-1.jpg b/src/skin/images/why-1.jpg
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diff --git a/src/skin/images/why-3.jpg b/src/skin/images/why-3.jpg
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diff --git a/src/skin/images/why-4.jpg b/src/skin/images/why-4.jpg
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diff --git a/src/skin/images/why-5.jpg b/src/skin/images/why-5.jpg
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diff --git a/src/skin/images/why-6.jpg b/src/skin/images/why-6.jpg
deleted file mode 100644
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diff --git a/src/skin/images/why-bg-ie8.jpg b/src/skin/images/why-bg-ie8.jpg
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