diff --git a/README.md b/README.md
index 7739343..7a1e817 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,5 @@
 #battlecity
-网上找的小霸王坦克游戏源码，修了些bug,做了点优化. 
\ No newline at end of file
+网上找的小霸王坦克游戏源码，修了些bug,做了点优化. 
+
+#DEMO
+http://www.dotaplayer.cn/battlecity/
\ No newline at end of file