diff --git a/config/filter.php b/config/filter.php
index 90ea6bc0bc..c368da4405 100755
--- a/config/filter.php
+++ b/config/filter.php
@@ -30,6 +30,7 @@ $filter->default->cookie['hideMenu']    = 'equal::true';
 $filter->default->cookie['tab']         = 'reg::word';
 $filter->default->cookie['goback']      = 'reg::any';
 
+$filter->index        = new stdclass();
 $filter->my           = new stdclass();
 $filter->bug          = new stdclass();
 $filter->caselib      = new stdclass();
@@ -68,6 +69,7 @@ $filter->tree         = new stdclass();
 $filter->productplan  = new stdclass();
 $filter->kanban       = new stdclass();
 
+$filter->index->index             = new stdclass();
 $filter->block->default           = new stdclass();
 $filter->block->main              = new stdclass();
 $filter->my->work                 = new stdclass();
@@ -166,6 +168,8 @@ $filter->tree->browse             = new stdclass();
 $filter->productplan->browse      = new stdclass();
 $filter->kanban->space            = new stdclass();
 
+$filter->index->index->get['open'] = 'reg::base64';
+
 $filter->my->work->cookie['pagerMyTask']        = 'int';
 $filter->my->work->cookie['pagerMyRequirement'] = 'int';
 $filter->my->work->cookie['pagerMyStory']       = 'int';
diff --git a/module/common/model.php b/module/common/model.php
index 618cb64a3a..89cd3c51ab 100644
--- a/module/common/model.php
+++ b/module/common/model.php
@@ -2363,7 +2363,8 @@ EOD;
         }
 
         $url = helper::safe64Encode($_SERVER['REQUEST_URI']);
-        $redirectUrl = helper::createLink('index', 'index', "open=$url");
+        $redirectUrl  = helper::createLink('index', 'index');
+        $redirectUrl .= strpos($redirectUrl, '?') === false ? "?open=$url" : "&open=$url";
         die(header("location: $redirectUrl"));
     }
 
diff --git a/module/index/control.php b/module/index/control.php
index 65ee39cde6..daf4582448 100644
--- a/module/index/control.php
+++ b/module/index/control.php
@@ -34,6 +34,7 @@ class index extends control
     public function index($open = '')
     {
         if($this->app->getViewType() == 'mhtml') $this->locate($this->createLink('my', 'index'));
+        if($this->get->open) $open = $this->get->open;
 
         $latestVersionList = array();
         if(isset($this->config->global->latestVersionList)) $latestVersionList = json_decode($this->config->global->latestVersionList);