diff --git a/about/index.md b/about/index.md
index 35618af..c672335 100755
--- a/about/index.md
+++ b/about/index.md
@@ -8,4 +8,5 @@ comments: yes
 
 个人邮箱:dashjim@gmail.com      
 新浪微博: [http://weibo.com/jijunxiang](http://weibo.com/jijunxiang)      
-github : [https://github.com/dashjim](https://github.com/dashjim)      
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+github : [https://github.com/dashjim](https://github.com/dashjim)
+Linkedin: [Ji Junxiang at Linkedin](http://www.linkedin.com/pub/junxiang-ji/58/97/b90)
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