diff --git a/README.md b/README.md
index 3e9ba9b..98eb6fa 100644
--- a/README.md
+++ b/README.md
@@ -22,4 +22,4 @@
 
 *↑ 页面流程图*
 
-最后，附上[Demo源文件](https://raw.githubusercontent.com/greenzorro/ColaUX-OmnigraffleStencil/master/downloads/stencil-demo.graffle)，供下载研究。
+最后，附上[Demo源文件](https://raw.githubusercontent.com/greenzorro/ColaUX-OmnigraffleStencil/master/downloads/stencil%20demo.graffle)，供下载研究。