diff --git a/static/html/header.html b/static/html/header.html
index aff7bef..bc748c3 100644
--- a/static/html/header.html
+++ b/static/html/header.html
@@ -5,7 +5,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
     <meta name="description" content="">
     <meta name="author" content="陶士涵">
-    <title>GO-FLY客服管理系统</title>
+    <title>GO语言开源客服系统-GOFLY</title>
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/element-ui@2.13.1/lib/theme-chalk/index.css">
     <link rel="stylesheet" href="/static/css/common.css">
     <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
diff --git a/static/html/nav.html b/static/html/nav.html
index b789740..09fa8f1 100644
--- a/static/html/nav.html
+++ b/static/html/nav.html
@@ -6,7 +6,7 @@
         active-text-color="#fff"
         default-active="3"
         mode="horizontal">
-    <el-menu-item  class="mainLogo" v-on:click="openUrl('/main')">GO-FLY<span class="mainVersion">V0.2.2</span></el-menu-item>
+    <el-menu-item  class="mainLogo" v-on:click="openUrl('/main')">GO-FLY<span class="mainVersion">单商户版</span></el-menu-item>
     <el-menu-item style="display:none" index="2" v-on:click="openIframeUrl('/list')">邮箱<el-badge class="mark" :value="mailTotal" style="margin-bottom: 20px;"/>
     </el-menu-item>
     <el-menu-item index="3" v-on:click="openIframeUrl('/chat_main')">聊天</el-menu-item>
diff --git a/static/images/newintro1.jpg b/static/images/newintro1.jpg
new file mode 100644
index 0000000..18bc792
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diff --git a/static/images/newintro2.jpg b/static/images/newintro2.jpg
new file mode 100644
index 0000000..3baa44e
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diff --git a/static/images/newintro3.jpg b/static/images/newintro3.jpg
new file mode 100644
index 0000000..e1b040a
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