diff --git a/trunk/module/install/control.php b/trunk/module/install/control.php
index 4cbabf7b2d..2fea29dd24 100644
--- a/trunk/module/install/control.php
+++ b/trunk/module/install/control.php
@@ -23,7 +23,7 @@
  */
 class install extends control
 {
-    const VERSION = '0.4 beta';
+    const VERSION = '0.5 beta';
 
     /* 构造函数，检查是否是通过安装入口调用。*/
     public function __construct()