diff --git a/README.md b/README.md
index 7f2027b..8006761 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ Hisune Tiny MVC Framework Demo App
 
 安装方法
 =========
-* 执行`composer create-project hisune/tinymvc-demo 2.1`
+* 执行`composer create-project hisune/tinymvc-demo 2.2`
 * composer帮助：(https://getcomposer.org)  
 > linux：  
 > `curl -sS https://getcomposer.org/installer | php`