fix image path

README.md

@@ -8,10 +8,10 @@ the trex runner game extracted from chrome offline err page.
 ### 花样玩法
 
 - [Kumamon runner](http://vianroyal.github.io/t-rex-runner/) [vianroyal](https://github.com/vianroyal)/[t-rex-runner](https://github.com/vianroyal/t-rex-runner)
-![](kumamon-runner.gif)
+![](assets/kumamon-runner.gif)
 
 - [Hello KuGou](http://hellokugou.com/) [xkuga](https://github.com/xkuga)/[t-rex-runner](https://github.com/xkuga/t-rex-runner)
-![](hello-kugou.gif)
+![](assets/hello-kugou.gif)
 
 - [Novas coisas](http://d-nery.github.io/t-rex-runner/) [d-nery](https://github.com/d-nery)/[t-rex-runner](https://github.com/xkuga/t-rex-runner)
-![](novas-coisas.gif)
+![](assets/novas-coisas.gif)