diff --git a/static/css/index.css b/static/css/index.css
index 7134b9f..6f96ea9 100644
--- a/static/css/index.css
+++ b/static/css/index.css
@@ -168,6 +168,10 @@
   background: var(--color);
 }
 
+.top .container {
+  text-align: left;
+}
+
 .top ul {
   /*padding-bottom: 5px;*/
   cursor: pointer;
@@ -177,6 +181,7 @@
   /*border-radius: 20px;*/
   display: inline-block;
   padding: 15px 0;
+  margin-right: 15px;
 }
 
 .top ul li a {
@@ -371,7 +376,7 @@
 
 .bannerRight {
   width: 100%;
-  height: 500px;
+  height: 320px;
 }
 
 .nav_main{
diff --git a/static/images/banner320.jpg b/static/images/banner320.jpg
new file mode 100644
index 0000000..969c9ea
Binary files /dev/null and b/static/images/banner320.jpg differ
diff --git a/static/js/project/index.js b/static/js/project/index.js
index 8b58543..3c7788d 100644
--- a/static/js/project/index.js
+++ b/static/js/project/index.js
@@ -210,11 +210,7 @@ define(['jquery', "template", "Tools", "echarts", 'swiper'], function ($, templa
 
             if(data.data.length<1){
                 focusArray.push({
-                    img:'../static/images/banner1.png'
-                },{
-                    img:'../static/images/banner2.png'
-                },{
-                    img:'../static/images/banner3.png'
+                    img:'../static/images/banner320.jpg'
                 })
             }else{
                 data.data.forEach(res=>{
@@ -230,7 +226,7 @@ define(['jquery', "template", "Tools", "echarts", 'swiper'], function ($, templa
             new Swiper('#bannerFocusWrap', {
                 pagination: '.page-pagination',
                 paginationClickable: true,
-                autoplay : 2000,
+                autoplay : 5000,
                 loop:true
             })