diff --git a/README.md b/README.md
index 6f01ce7..6e26913 100644
--- a/README.md
+++ b/README.md
@@ -2,13 +2,14 @@
 automatic pick hero in overwatch
 
 ## DEMO
-
-[![](./QQ截图20170212154725.png)](http://player.youku.com/player.php/sid/XMjUwODI2Mzc5Mg==/v.swf)
+![](./msc/gui)
+[![](./msc/video)](http://player.youku.com/player.php/sid/XMjUwODI2Mzc5Mg==/v.swf)
 
 ## How to use 
 
 - download exec file from [here](https://github.com/ufo22940268/heropicker/releases)
-- execute `pick_pig.exe`
+- execute `pickhero.exe`
+- select the hero you want this tool to pick
 - launch OW
 - press <kbd>F3</kbd>
 - it will automatically pick hero for you.