diff --git a/README.md b/README.md
index ce2e5e0..cea18f4 100644
--- a/README.md
+++ b/README.md
@@ -2,13 +2,9 @@
 
 [![Build Status](https://travis-ci.org/dongweiming/lyanna.svg?branch=master)](https://travis-ci.org/dongweiming/lyanna)
 
-<p align="center">
-  My Blog Using Sanic
-</p>
+My Blog Using Sanic
 
-<p align="center">
-  <a href="https://dongweiming.github.io/lyanna/">查看文档 📖</a>
-</p>
+[查看文档 📖](https://dongweiming.github.io/lyanna/)
 
 ## Overview
 
@@ -20,14 +16,16 @@
 * 缓存: aiomcache
 * KV数据库: aioredis
 
-其他aio扩展: Sanic-Auth、Sanic-wtf、sanic-session、aiotask-context、asyncblink、sanic-sentry
+其他aio扩展: Sanic-Auth、Sanic-wtf、sanic-session、aiotask-context、asyncblink、sanic-sentry、sanic-jwt
 
-## Demo
+<p align="center">
+  <img width="600" src="./screenshot/blog.png" >
+</p>
 
-[DEMO](https://blog.pycourses.com)
+管理后台使用 ElementUI + Vue-CLI + Vue-Router + Vuex
 
 <p align="center">
-  <img width="600" src="./screenshot/blog.png" >
+  <img width="600" src="./screenshot/admin.png" >
 </p>
 
 ## Features
@@ -47,3 +45,8 @@
 * 支持RSS/Sitemap
 * 相关文章推荐(根据相似标签)
 * 响应式设计
+
+## Video
+
+[My blog](https://youtu.be/rHYvrefjZwg)
+[]()
diff --git a/docs/front-dev.md b/docs/front-dev.md
index 2bd94ae..fee5b60 100644
--- a/docs/front-dev.md
+++ b/docs/front-dev.md
@@ -26,7 +26,7 @@ yarn build
 
 ## 后台
 
-使用 ElementUI+Vue-Router+Vuex+Webpack+ES6+Sass ，需要安装依赖：
+使用 ElementUI+Vue-CLI+Vue-Router+Vuex+Webpack+ES6+Sass ，需要安装依赖：
 
 ```bash
 cd admin  # 在 admin 子目录下
diff --git a/screenshot/admin.png b/screenshot/admin.png
new file mode 100644
index 0000000..596effa
Binary files /dev/null and b/screenshot/admin.png differ
diff --git a/templates/index.html b/templates/index.html
index 7df059e..a99001c 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -42,14 +42,17 @@
       <!-- SNS Link -->
       <ul class="list-inline">
         % for sns in ('github', 'linkedin'):
-        <li>
-          <a target="_blank" href="${ getattr(profile, f'{sns}_url') }">
-            <span class="fa-stack fa-lg">
-              <i class="fa fa-circle fa-stack-2x"></i>
-              <i class="fa fa-${ sns } fa-stack-1x fa-inverse"></i>
-            </span>
-          </a>
-        </li>
+          <% url = getattr(profile, f'{sns}_url') %>
+          % if url:
+            <li>
+              <a target="_blank" href="${ f'https://{url}' }">
+                <span class="fa-stack fa-lg">
+                  <i class="fa fa-circle fa-stack-2x"></i>
+                  <i class="fa fa-${ sns } fa-stack-1x fa-inverse"></i>
+                </span>
+              </a>
+            </li>
+          % endif
         % endfor
       </ul>
     </div>