diff --git a/contact.html b/contact.html
index 348c44a..569b637 100644
--- a/contact.html
+++ b/contact.html
@@ -7,7 +7,7 @@
     <meta name="description" content="">
     <meta name="viewport" content="width=device-width, initial-scale=1">
 
-    <link type="text/css"  rel="icon" href="images/logoicon.png">
+    <link type="text/css"  rel="icon" href="images/logoicon.jpg">
     <!-- Place favicon.ico in the root directory -->
 
     <!-- Google Fonts -->
diff --git a/css/portfollo.css b/css/portfollo.css
index 3bbf590..6768563 100644
--- a/css/portfollo.css
+++ b/css/portfollo.css
@@ -14,6 +14,7 @@
     font-size: 44px;
 }
 #portfolio-soft-top{
+    padding-bottom: 0;
     background: #fff;
 }
 /*软件sta-----*/
@@ -63,53 +64,55 @@
 .portfolio-section-wrap>li{
 }
 .portfolio-section-wrap>li li{
-    height: 596px;
+    height: 500px;
 }
 .ortfolio-soft-bottom-1>li:nth-of-type(1){
     background: url("../images/ortfolio-soft-mobile.gif") no-repeat center center;
-    background-size: 100% 80%;
+    background-size: 100% 100%;
 }
 .ortfolio-soft-bottom-1 li:nth-of-type(2){
     padding-left: 100px;
 }
 .ortfolio-soft-bottom-2 li:nth-of-type(1){
     background: url("../images/ortfolio-soft-pc1.gif") no-repeat center center;
-    background-size: 100% 70%;
+    background-size: 100% 80%;
 }
 .ortfolio-soft-bottom-2 li:nth-of-type(2){
     padding-left:100px;
 }
 .ortfolio-soft-bottom-3 li:nth-of-type(1){
     background: url("../images/ortfolio-soft-pc2.gif") no-repeat center center;
-    background-size: 100% 70%;
+    background-size: 100% 80%;
 }
 .ortfolio-soft-bottom-3 li:nth-of-type(2){
     padding-left:100px;
 }
 .ortfolio-soft-bottom-title{
-    font-size:30px;
+    font-size:26px;
     font-weight:bold;
-    color:rgba(0,0,0,.8);
-    margin: 239px 0 27px;
+    color:#333;
+    margin: 155px 0 27px;
     text-align: left;
 }
 .ortfolio-soft-bottom-des{
-    font-size: 16px;
-    text-align: left;
-    color:rgba(0,0,0,.6);
-    padding-left: 20px;
+    margin: 10px 0 20px;
+    font-size: 18px;
+    height: 36px;
+    line-height: 36px;
+    color: #666;
     position: relative;
+    text-align: left;
 }
 .ortfolio-soft-bottom-des span{
     width:6px;
     height:6px;
+    margin-right: 10px;
     display: inline-block;
     position: relative;
 }
 .ortfolio-soft-bottom-des span:before{
     position: absolute;
     content: '';
-    left: -10px;
     top:50%;
     margin-top: -6px;
     width:6px;
@@ -117,10 +120,14 @@
     background:rgba(66,160,251,1);
     border-radius:50%;
 }
+.padding20-0-70{
+    padding: 20px 0 70px;
+}
 /*硬件sta-----*/
 .portfolio-hardware-top{
     background: #fff;
-    padding-top: 101px !important;
+    padding-top: 70px !important;
+    padding-bottom: 0;
 }
 
 .portfolio-hardware-wrap li{
diff --git a/index.html b/index.html
index ad738b6..b41afb4 100755
--- a/index.html
+++ b/index.html
@@ -7,7 +7,7 @@
     <meta name="description" content="">
     <meta name="viewport" content="width=device-width, initial-scale=1">
 
-    <link type="text/css"  rel="icon" href="images/logoicon.png">
+    <link type="text/css"  rel="icon" href="images/logoicon.jpg">
     <!-- Place favicon.ico in the root directory -->
 
     <!-- Google Fonts -->
diff --git a/portfolio.html b/portfolio.html
index 3ea5eb0..a478429 100755
--- a/portfolio.html
+++ b/portfolio.html
@@ -7,7 +7,7 @@
     <meta name="description" content="">
     <meta name="viewport" content="width=device-width, initial-scale=1">
 
-    <link type="text/css"  rel="icon" href="images/logoicon.png">
+    <link type="text/css"  rel="icon" href="images/logoicon.jpg">
     <!-- Place favicon.ico in the root directory -->
 
     <!-- Google Fonts -->
@@ -97,7 +97,7 @@
 </section>
 <ul class="portfolio-section-wrap" id="portfolio-section-wrap">
     <li class="">
-        <section>
+        <section class="padding20-0-70">
             <div class="container">
                 <ul class="row ortfolio-soft-bottom-1">
                     <li class="text-center col-md-6">
@@ -122,7 +122,7 @@
         </section>
     </li>
     <li class="displaynone">
-        <section>
+        <section class="padding20-0-70">
             <div class="container">
                 <ul class="row ortfolio-soft-bottom-2">
                     <li class="text-center col-md-6">
@@ -149,7 +149,7 @@
         </section>
     </li>
     <li class="displaynone">
-        <section>
+        <section class="padding20-0-70">
             <div class="container">
                 <ul class="row ortfolio-soft-bottom-3">
                     <li class="text-center col-md-6">
diff --git a/services.html b/services.html
index 532083d..663d05e 100644
--- a/services.html
+++ b/services.html
@@ -7,7 +7,7 @@
     <meta name="description" content="">
     <meta name="viewport" content="width=device-width, initial-scale=1">
 
-    <link type="text/css"  rel="icon" href="images/logoicon.png">
+    <link type="text/css"  rel="icon" href="images/logoicon.jpg">
     <!-- Place favicon.ico in the root directory -->
 
     <!-- Google Fonts -->