diff --git a/.vuepress/theme/components/1564841972085.gif b/.vuepress/theme/components/1564841972085.gif
new file mode 100644
index 0000000..9fca0ae
Binary files /dev/null and b/.vuepress/theme/components/1564841972085.gif differ
diff --git a/.vuepress/theme/components/Sidebar.vue b/.vuepress/theme/components/Sidebar.vue
index d057fdb..722f198 100644
--- a/.vuepress/theme/components/Sidebar.vue
+++ b/.vuepress/theme/components/Sidebar.vue
@@ -4,7 +4,11 @@
     <SidebarLinks :depth="0" :items="items"/>
     <slot name="bottom"/>
     <div style="text-align: center; margin-top: 5vh;">
-      <strong>在线体验</strong>
+      <p>
+        <strong>
+          <a target="_blank" :href="`http://demo.kuboard.cn/#/login?isReadOnly=true&token=${$site.themeConfig.kuboardToken}`">在线体验</a>
+        </strong>
+      </p>
       <div>
         <a target="_blank" :href="`http://demo.kuboard.cn/#/login?isReadOnly=true&token=${$site.themeConfig.kuboardToken}`">
           <p>
@@ -26,7 +30,8 @@
 <script>
 import SidebarLinks from '@theme/components/SidebarLinks.vue'
 import kuboard_qq from './kuboard_qq.png'
-import demo from './image-20190723104717575.png'
+// import demo from './image-20190723104717575.png'
+import demo from './1564841972085.gif'
 
 export default {
   name: 'Sidebar',
diff --git a/.vuepress/theme/components/image-20190723104717575.png b/.vuepress/theme/components/image-20190723104717575.png
deleted file mode 100644
index 4fb805a..0000000
Binary files a/.vuepress/theme/components/image-20190723104717575.png and /dev/null differ
diff --git a/install/install-kubectl.md b/install/install-kubectl.md
index 4bf11e2..3f555a9 100644
--- a/install/install-kubectl.md
+++ b/install/install-kubectl.md
@@ -121,6 +121,8 @@ kubectl get nodes
 kubectl get pods -n kube-system
 ```
 
+:::
+
 ::: tab Windows lazy
 待完善
 :::
diff --git a/overview/README.assets/1564841972085.gif b/overview/README.assets/1564841972085.gif
new file mode 100644
index 0000000..9fca0ae
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diff --git a/overview/README.md b/overview/README.md
index cd1379e..0477f44 100644
--- a/overview/README.md
+++ b/overview/README.md
@@ -25,7 +25,7 @@ Kuboard 的主要特点：
 
 <p>
   <a target="_blank" :href="`http://demo.kuboard.cn/#/login?isReadOnly=true&token=${$site.themeConfig.kuboardToken}`">
-    <img src="./README.assets/image-20190728145108904.png"></img>
+    <img src="./README.assets/1564841972085.gif"></img>
   </a>
 </p>