diff --git a/images/demo/demoV2.gif b/images/demo/demoV2.gif
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Binary files /dev/null and b/images/demo/demoV2.gif differ
diff --git a/readme.md b/readme.md
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@@ -1,5 +1,5 @@
 # Visualize Depthmap
-![demo](https://github.com/renhaofan/colormap/blob/master/images/demo/demo.gif)
+![demo](https://github.com/renhaofan/colormap/blob/master/images/demo/demoV2.gif)
 
 Some test images are located in folder `/images/test`