diff --git a/application/index/view/administrator/admin_list.html b/application/index/view/administrator/admin_list.html
index 6eff2ea..000b700 100644
--- a/application/index/view/administrator/admin_list.html
+++ b/application/index/view/administrator/admin_list.html
@@ -53,8 +53,7 @@
     <div class="layui-row layui-col-space15">
         <div class="layui-col-md12">
             <div class="layui-card" style="border-radius: 20px;">
-                <div class="layui-card-body"
-                     style="background-image: linear-gradient(#bff7f7,#ffffff , #bff7f7);border-radius: 20px;">
+                <div class="layui-card-body">
                     <form class="layui-form layui-col-space5" style="margin-top: 5px" id="myForm">
                         <div class="layui-input-inline">
                             <select lay-verify="choose" lay-filter="choose" name="option">
diff --git a/application/index/view/administrator/device.html b/application/index/view/administrator/device.html
index 71e3da9..559098c 100644
--- a/application/index/view/administrator/device.html
+++ b/application/index/view/administrator/device.html
@@ -53,8 +53,7 @@
     <!--        style="width: 90%;margin-left: auto;margin-right: auto;"-->
     <div class="layui-card" style="border-radius: 20px;">
 
-        <div class="layui-card-body"
-             style="background-image: linear-gradient(#f7e8df,#ffffff , #f7e8df);border-radius: 20px;">
+        <div class="layui-card-body">
             <fieldset class="layui-elem-field layui-field-title" style="margin-top: 10px;">
                 <legend class="layui-icon">设备序列号管理 &#xe705;&#xe705;&#xe705;</legend>
             </fieldset>
diff --git a/application/index/view/administrator/device_list.html b/application/index/view/administrator/device_list.html
index 1853e6a..14bd584 100644
--- a/application/index/view/administrator/device_list.html
+++ b/application/index/view/administrator/device_list.html
@@ -48,8 +48,7 @@
     <div class="layui-row layui-col-space15">
         <div class="layui-col-md12">
             <div class="layui-card" style="border-radius: 20px;">
-                <div class="layui-card-body"
-                     style="background-image: linear-gradient(#f6e4f7,#ffffff , #f6e4f7);border-radius: 20px;">
+                <div class="layui-card-body">
 
                     <form class="layui-form layui-col-space5" style="margin-top: 5px" id="myForm">
                         <div class="layui-input-inline">
diff --git a/application/index/view/administrator/index.html b/application/index/view/administrator/index.html
index 1909b7d..d23ff07 100644
--- a/application/index/view/administrator/index.html
+++ b/application/index/view/administrator/index.html
@@ -60,9 +60,6 @@
             <a href="javascript:;">{$name}</a>
             <dl class="layui-nav-child">
                 <!-- 二级菜单 -->                
-                <dd>
-                    <a href="https://www.bilibili.com/video/BV1uE411w77F/" target="_blank">云平台视频介绍</a>
-                </dd>
                 <dd>
                     <a href="/index/Administrator/quit">退出</a>
                 </dd>
diff --git a/application/index/view/administrator/welcome.html b/application/index/view/administrator/welcome.html
index 7743183..9e1f5ea 100644
--- a/application/index/view/administrator/welcome.html
+++ b/application/index/view/administrator/welcome.html
@@ -21,67 +21,16 @@
     <script src="https://cdn.staticfile.org/html5shiv/r29/html5.min.js"></script>
     <script src="https://cdn.staticfile.org/respond.js/1.4.2/respond.min.js"></script>
     <![endif]-->
-    <style>
-        /*欢迎文字*/
-        .layui-elem-quote:hover {
-            background: #b9c8ff;
-        }
-
-        /*卡片样式*/
-        .layui-card-body li:hover {
-            background: #ffb5b7;
-        }
-
-        .layui-card-body li a:hover {
-            background: #9cecff;
-        }
-
-        .layui-card-body li:hover h3 {
-            font-size: 16px;
-            color: #911215;
-        }
-
-        .layui-card-body li:hover cite {
-            font-size: 30px;
-            color: #3d933a;
-        }
-
-        /*系统信息*/
-        .layui-table tbody tr th {
-            width: 30%
-        }
-
-        .layui-table tbody tr:hover {
-            background-color: #ddded9;
-        }
-
-        .layui-table tbody tr:hover th {
-            font-size: 18px;
-        }
-
-        .layui-table tbody tr:hover td {
-            font-size: 18px;
-            /*letter-spacing: 3px;*/
-        }
-        /*开发团队*/
-        .team tbody tr:hover {
-            background-color: #d1d1ff;
-        }
 
-    </style>
 </head>
 <body>
 <div class="layui-fluid">
     <div class="layui-row layui-col-space30">
         <div class="layui-col-md12" style="margin-top: 10px">
             <div class="layui-card">
-                <div class="layui-card-header"
-                     style="background-image: linear-gradient(#ffedcc , #ffffff);">
-                    静坐当思己过，闲谈莫论人非。
-                </div>
-                <div class="layui-card-body" style="background-image: linear-gradient(#ffffff , #ffedcc);">
-                    <blockquote class="layui-elem-quote layui-anim layui-anim-scale" style="font-size: 20px;background-color: rgba(255,230,179,0.89)">
-                        当前时间：<span id="time" style="font-size: 20px;font-family: 方正姚体;"></span>
+                <div class="layui-card-body" >
+                    <blockquote class="layui-elem-quote layui-anim layui-anim-scale">
+                        当前时间：<span id="time"></span>
                     </blockquote>
                 </div>
             </div>
@@ -91,7 +40,7 @@
                 <div class="layui-card-header"
                      style="background-image: linear-gradient(#86e4df , #ffffff);">数据统计
                 </div>
-                <div class="layui-card-body" style="background-image: linear-gradient(#ffffff , #86e4df); min-height: 85px">
+                <div class="layui-card-body">
                     <ul class="layui-row layui-col-space10 layui-this x-admin-carousel x-admin-backlog">
                         <li class="layui-col-xs6 layui-col-sm3 layui-col-md3 ">
                             <a class="x-admin-backlog-body">
@@ -160,8 +109,8 @@
 
         <div class="layui-col-md12">
             <div class="layui-card">
-                <div class="layui-card-header" style="background-image: linear-gradient(#ddded9 , #ffffff);">系统信息</div>
-                <div class="layui-card-body" style="background-image: linear-gradient(#ffffff , #ddded9);">
+                <div class="layui-card-header">系统信息</div>
+                <div class="layui-card-body">
                     <table class="layui-table">
                         <tbody>
                         <tr>
@@ -214,33 +163,6 @@
                 </div>
             </div>
         </div>
-        <div class="layui-col-md12">
-            <div class="layui-card" style="margin-bottom: 20px">
-                <div class="layui-card-header" style="background-image: linear-gradient(#d1d1ff , #ffffff);">开发团队</div>
-                <div class="layui-card-body" style="background-image: linear-gradient(#ffffff , #d1d1ff);">
-                    <table class="layui-table team">
-                        <tbody>
-                        <tr>
-                            <th>前端</th>
-                            <td>曾健起</td>
-                        </tr>
-                        <tr>
-                            <th>后端</th>
-                            <td>曾健起</td>
-                        </tr>
-                        <tr>
-                            <th>版权所有</th>
-                            <td>
-                                <a href="http://zengjianqi.com/" target="_blank" class="layui-icon"> © Copyright
-                                    Reserved.zengjianqi.com &#xe617; &#xe618; zengjianqi163@163.com</a>
-                            </td>
-                        </tr>
-
-                        </tbody>
-                    </table>
-                </div>
-            </div>
-        </div>
 
     </div>
 </div>
diff --git a/application/index/view/device/index.html b/application/index/view/device/index.html
index 9a1b7df..f0da2f6 100644
--- a/application/index/view/device/index.html
+++ b/application/index/view/device/index.html
@@ -30,9 +30,6 @@
             background-color: #f7e8df;
         }
 
-        .layui-table tbody tr:hover td div {
-            font-size: 18px;
-        }
     </style>
 </head>
 <body class="layui-anim layui-anim-scale flag" style="display: none"><br/>
@@ -53,8 +50,7 @@
     <!--        style="width: 90%;margin-left: auto;margin-right: auto;"-->
     <div class="layui-card" style="border-radius: 20px;">
 
-        <div class="layui-card-body"
-             style="background-image: linear-gradient(#f7e8df,#ffffff , #f7e8df);border-radius: 20px;">
+        <div class="layui-card-body">
             <fieldset class="layui-elem-field layui-field-title" style="margin-top: 10px;">
                 <legend class="layui-icon">设备序列号管理 &#xe705;&#xe705;&#xe705;</legend>
             </fieldset>
diff --git a/application/index/view/product/index.html b/application/index/view/product/index.html
index df636de..13960d3 100644
--- a/application/index/view/product/index.html
+++ b/application/index/view/product/index.html
@@ -30,9 +30,6 @@
             background-color: #f7e8df;
         }
 
-        .layui-table tbody tr:hover td div {
-            font-size: 18px;
-        }
     </style>
 </head>
 <body class="layui-anim layui-anim-scale flag" style="display: none"><br/>
@@ -53,8 +50,7 @@
     <!--        style="width: 90%;margin-left: auto;margin-right: auto;"-->
     <div class="layui-card" style="border-radius: 20px;">
 
-        <div class="layui-card-body"
-             style="background-image: linear-gradient(#f7e8df,#ffffff , #f7e8df);border-radius: 20px;">
+        <div class="layui-card-body">
             <fieldset class="layui-elem-field layui-field-title" style="margin-top: 10px;">
                 <legend class="layui-icon">产品序列号管理 &#xe705;&#xe705;&#xe705;</legend>
             </fieldset>