diff --git a/trunk/module/install/model.php b/trunk/module/install/model.php
index 493410635b..f9a351af7e 100644
--- a/trunk/module/install/model.php
+++ b/trunk/module/install/model.php
@@ -25,6 +25,11 @@
 <?php
 class installModel extends model
 {
+    /* 检查禅道的版本。*/
+    public function checkZenTaoVersion()
+    {
+    }
+
     /* 获得PHP版本。*/
     public function getPhpVersion()
     {