diff --git a/README.md b/README.md
index 7a1e817..91085c9 100644
--- a/README.md
+++ b/README.md
@@ -2,4 +2,4 @@
 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/
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+http://dev.dotaplayer.cn/battlecity/
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