diff --git a/trunk/module/install/control.php b/trunk/module/install/control.php
index 7deb5a4620..8535c5c7cb 100644
--- a/trunk/module/install/control.php
+++ b/trunk/module/install/control.php
@@ -23,6 +23,8 @@
  */
 class install extends control
 {
+    const VERSION = '0.4 beta';
+
     /* 构造函数，检查是否是通过安装入口调用。*/
     public function __construct()
     {
@@ -95,6 +97,7 @@ class install extends control
         {
             $this->install->grantPriv();
             if(dao::isError()) die(js::error(dao::getError()));
+            $this->loadModel('upgrade')->updateVersion(self::VERSION);
             echo (js::alert($this->lang->install->success));
             unset($_SESSION['installing']);
             die(js::locate('index.php', 'parent'));
diff --git a/trunk/module/install/model.php b/trunk/module/install/model.php
index e33a98551f..fdbb2060fe 100644
--- a/trunk/module/install/model.php
+++ b/trunk/module/install/model.php
@@ -96,7 +96,7 @@ class installModel extends model
     /* 获得webRoot的地址。*/
     public function getWebRoot()
     {
-        return rtrim(pathinfo($_SERVER['SCRIPT_NAME'], PATHINFO_DIRNAME), '/') . '/';
+        return rtrim(str_replace('\\', '/', pathinfo($_SERVER['SCRIPT_NAME'], PATHINFO_DIRNAME)), '/') . '/';
     }
 
     /* 检查配置。*/
@@ -157,7 +157,7 @@ class installModel extends model
         {
             $dbh = new PDO($dsn, $this->config->db->user, $this->config->db->password);
             $dbh->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_OBJ);
-            $dbh->setAttribute(PDO::ATTR_ERRMODE, $this->config->db->errorMode);
+            $dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
             $dbh->exec("SET NAMES {$this->config->db->encoding}");
             return $dbh;
         }