diff --git a/framework/router.class.php b/framework/router.class.php
index 4c482fa6b9..935aed0eb4 100755
--- a/framework/router.class.php
+++ b/framework/router.class.php
@@ -1425,6 +1425,12 @@ class router
         $view->methodVar   = $this->config->methodVar;
         $view->viewVar     = $this->config->viewVar;
         $view->sessionVar  = $this->config->sessionVar;
+
+        $this->session->set('rand', mt_rand(0, 10000));
+        $view->sessionName = session_name();
+        $view->sessionID   = session_id();
+        $view->rand        = $this->session->rand;
+        $view->expiredTime = ini_get('session.gc_maxlifetime');
         echo json_encode($view);
     }
     
diff --git a/module/user/control.php b/module/user/control.php
index 73c6d398af..05fd4066a3 100644
--- a/module/user/control.php
+++ b/module/user/control.php
@@ -588,9 +588,22 @@ class user extends control
         $loginLink = $this->createLink('user', 'login');
         $denyLink  = $this->createLink('user', 'deny');
 
+        /* Reload lang by lang of get when viewType is json. */
+        if($this->app->getViewType() == 'json' and $this->get->lang)
+        {
+            $this->app->setClientLang($this->get->lang);
+            $this->app->loadLang('user');
+        }
+
         /* If user is logon, back to the rerferer. */
         if($this->user->isLogon())
         {
+            if($this->app->getViewType() == 'json')
+            {
+                $data = $this->user->getDataInJSON($this->app->user);
+                die(json_encode(array('status' => 'success') + $data));
+            }
+
             if(strpos($this->referer, $loginLink) === false and 
                strpos($this->referer, $denyLink)  === false 
             )
@@ -613,7 +626,12 @@ class user extends control
             if($this->post->password) $password = $this->post->password;
             if($this->get->password)  $password = $this->get->password;
 
-            if($this->user->checkLocked($account)) die(js::error(sprintf($this->lang->user->loginLocked, $this->config->user->lockMinutes)));
+            if($this->user->checkLocked($account))
+            {
+                $failReason = sprintf($this->lang->user->loginLocked, $this->config->user->lockMinutes);
+                if($this->app->getViewType() == 'json') die(json_encode(array('status' => 'failed', 'reason' => $failReason)));
+                die(js::error($failReason));
+            }
             
             $user = $this->user->identify($account, $password);
 
@@ -636,7 +654,11 @@ class user extends control
                    strpos($this->post->referer, $denyLink)  === false 
                 )
                 {
-                    if($this->app->getViewType() == 'json') die(json_encode(array('status' => 'success')));
+                    if($this->app->getViewType() == 'json')
+                    {
+                        $data = $this->user->getDataInJSON($user);
+                        die(json_encode(array('status' => 'success') + $data));
+                    }
 
                     /* Get the module and method of the referer. */
                     if($this->config->requestType == 'PATH_INFO')
@@ -666,14 +688,18 @@ class user extends control
                 }
                 else
                 {
-                    if($this->app->getViewType() == 'json') die(json_encode(array('status' => 'success')));
+                    if($this->app->getViewType() == 'json')
+                    {
+                        $data = $this->user->getDataInJSON($user);
+                        die(json_encode(array('status' => 'success') + $data));
+                    }
                     die(js::locate($this->createLink($this->config->default->module), 'parent'));
                 }
             }
             else
             {
-                if($this->app->getViewType() == 'json') die(json_encode(array('status' => 'failed')));
-                $fails       = $this->user->failPlus($account);
+                $fails = $this->user->failPlus($account);
+                if($this->app->getViewType() == 'json') die(json_encode(array('status' => 'failed', 'reason' => $this->lang->user->loginFailed)));
                 $remainTimes = $this->config->user->failTimes - $fails;
                 if($remainTimes <= 0)
                 {
@@ -739,6 +765,8 @@ class user extends control
         session_destroy();
         setcookie('za', false);
         setcookie('zp', false);
+
+        if($this->app->getViewType() == 'json') die(json_encode(array('status' => 'success')));
         $vars = !empty($referer) ? "referer=$referer" : '';
         $this->locate($this->createLink('user', 'login', $vars));
     }
diff --git a/module/user/model.php b/module/user/model.php
index 39777b4b70..6d6cd0fae7 100644
--- a/module/user/model.php
+++ b/module/user/model.php
@@ -773,4 +773,35 @@ class userModel extends model
     {
         return $this->dao->delete()->from(TABLE_USERCONTACT)->where('id')->eq($listID)->exec();
     }
+
+    /**
+     * Get data in JSON.
+     * 
+     * @param  object    $user 
+     * @access public
+     * @return array
+     */
+    public function getDataInJSON($user)
+    {
+        $data = array();
+        $data['user'] = new stdclass();
+        $data['user']->id       = $user->id;
+        $data['user']->account  = $user->account;
+        $data['user']->email    = $user->email;
+        $data['user']->realname = $user->realname;
+        $data['user']->gender   = $user->gender;
+        $data['user']->dept     = $user->dept;
+        $data['user']->role     = $user->role;
+
+        $this->app->loadLang('todo');
+        $this->app->loadLang('task');
+        $this->app->loadLang('bug');
+        $this->app->loadLang('story');
+        $data['todoStatus']  = $this->lang->todo->statusList;
+        $data['taskStatus']  = $this->lang->task->statusList;
+        $data['bugStatus']   = $this->lang->bug->statusList;
+        $data['storyStatus'] = $this->lang->story->statusList;
+
+        return $data;
+    }
 }
diff --git a/www/index.php b/www/index.php
index f60cf290c4..13b6985b42 100644
--- a/www/index.php
+++ b/www/index.php
@@ -29,8 +29,7 @@ $startTime = getTime();
 /* Instance the app. */
 $app = router::createApp('pms', dirname(dirname(__FILE__)));
 
-/* Check the reqeust is getconfig or not. Check installed or not. */
-if(isset($_GET['mode']) and $_GET['mode'] == 'getconfig') die($app->exportConfig());  // 
+/* installed or not. */
 if(!isset($config->installed) or !$config->installed) die(header('location: install.php'));
 
 /* Detect mobile. */
@@ -44,6 +43,9 @@ if(!$mobile->isTablet() and $mobile->isMobile())
 /* Run the app. */
 $common = $app->loadCommon();
 
+/* Check the reqeust is getconfig or not. */
+if(isset($_GET['mode']) and $_GET['mode'] == 'getconfig') die($app->exportConfig());  // 
+
 /* Check for need upgrade. */
 $config->installedVersion = $common->loadModel('setting')->getVersion();
 if(!(!is_numeric($config->version{0}) and $config->version{0} != $config->installedVersion{0}) and version_compare($config->version, $config->installedVersion, '>')) die(header('location: upgrade.php'));