diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 **SEA**: [http://cloud.webgame2d.com](http://cloud.webgame2d.com) | **US West**: (not hosted)| **US East**: (not hosted)| **Europe**: (not hosted)  
 For the best gaming experience, please select the closest region to you.  
 
-**Video demo**: https://www.youtube.com/watch?v=qkjV2VIwVIo
+**Video demo**: https://www.youtube.com/watch?v=koqWB1VKflo
 
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diff --git a/document/img/landing-page.gif b/document/img/landing-page.gif
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Binary files a/document/img/landing-page.gif and b/document/img/landing-page.gif differ