diff --git a/xuanxuan/module/chat/ext/model/class/xuanxuan.class.php b/xuanxuan/module/chat/ext/model/class/xuanxuan.class.php
index 59b02c9c66..bf4f2cc50d 100644
--- a/xuanxuan/module/chat/ext/model/class/xuanxuan.class.php
+++ b/xuanxuan/module/chat/ext/model/class/xuanxuan.class.php
@@ -78,19 +78,21 @@ class xuanxuanChat extends chatModel
         $this->session->set('user', $user);
         $this->app->user = $this->session->user;
 
-        $products  = explode(',', $this->app->user->view->products);
-        $projects  = explode(',', $this->app->user->view->projects);
-        $libids    = array_keys($this->loadModel('doc')->getLibs('all'));
-        $productID = isset($products[0]) ? $products[0] : 1;
-        $projectID = isset($projects[0]) ? $projects[0] : 1;
-        $libID     = isset($libids[0]) ? $libids[0] : 1;
+        $products  = trim($this->app->user->view->products, ',');
+        $projects  = trim($this->app->user->view->projects, ',');
+        $products  = empty($products) ? array() : explode(',', $products);
+        $projects  = empty($projects) ? array() : explode(',', $projects);
+        $libIdList = array_keys($this->loadModel('doc')->getLibs('all'));
+        $productID = isset($products[0])  ? $products[0]  : 1;
+        $projectID = isset($projects[0])  ? $projects[0]  : 1;
+        $libID     = isset($libIdList[0]) ? $libIdList[0] : 1;
 
         $actions = new stdclass();
-        if(common::hasPriv('bug',   'create')) $actions->createBug   = array('title' => $this->lang->chat->createBug,   'url' => $baseURL . str_replace('/xuanxuan.php', '/index.php', helper::createLink('bug', 'create', "product=$productID", 'xhtml')), 'height' => "600px", 'width' => "800px");
-        if(common::hasPriv('doc',   'create')) $actions->createDoc   = array('title' => $this->lang->chat->createDoc,   'url' => $baseURL . str_replace('/xuanxuan.php', '/index.php', helper::createLink('doc', 'create', "libID=$libID", 'xhtml')), 'height' => "600px", 'width' => "800px");
-        if(common::hasPriv('story', 'create')) $actions->createStory = array('title' => $this->lang->chat->createStory, 'url' => $baseURL . str_replace('/xuanxuan.php', '/index.php', helper::createLink('story', 'create', "product=$productID", 'xhtml')), 'height' => "600px", 'width' => "800px");
-        if(common::hasPriv('task',  'create')) $actions->createTask  = array('title' => $this->lang->chat->createTask,  'url' => $baseURL . str_replace('/xuanxuan.php', '/index.php', helper::createLink('task', 'create', "project=$projectID", 'xhtml')), 'height' => "600px", 'width' => "800px");
-        if(common::hasPriv('todo',  'create')) $actions->createTodo  = array('title' => $this->lang->chat->createTodo,  'url' => $baseURL . str_replace('/xuanxuan.php', '/index.php', helper::createLink('todo', 'create', '', 'xhtml')), 'height' => "600px", 'width' => "800px");
+        if(common::hasPriv('bug',   'create') and !empty($products)) $actions->createBug   = array('title' => $this->lang->chat->createBug,   'url' => $baseURL . str_replace('/xuanxuan.php', '/index.php', helper::createLink('bug', 'create', "product=$productID", 'xhtml')), 'height' => "600px", 'width' => "800px");
+        if(common::hasPriv('doc',   'create') and !empty($libIdList))$actions->createDoc   = array('title' => $this->lang->chat->createDoc,   'url' => $baseURL . str_replace('/xuanxuan.php', '/index.php', helper::createLink('doc', 'create', "libID=$libID", 'xhtml')), 'height' => "600px", 'width' => "800px");
+        if(common::hasPriv('story', 'create') and !empty($products)) $actions->createStory = array('title' => $this->lang->chat->createStory, 'url' => $baseURL . str_replace('/xuanxuan.php', '/index.php', helper::createLink('story', 'create', "product=$productID", 'xhtml')), 'height' => "600px", 'width' => "800px");
+        if(common::hasPriv('task',  'create') and !empty($projects)) $actions->createTask  = array('title' => $this->lang->chat->createTask,  'url' => $baseURL . str_replace('/xuanxuan.php', '/index.php', helper::createLink('task', 'create', "project=$projectID", 'xhtml')), 'height' => "600px", 'width' => "800px");
+        if(common::hasPriv('todo',  'create')) $actions->createTodo = array('title' => $this->lang->chat->createTodo,  'url' => $baseURL . str_replace('/xuanxuan.php', '/index.php', helper::createLink('todo', 'create', '', 'xhtml')), 'height' => "600px", 'width' => "800px");
 
         $urls = array();
         foreach($this->config->chat->cards as $moduleName => $methods)