diff --git a/bin/ztcli b/bin/ztcli
index 38617347a0..8b31f62ff8 100755
--- a/bin/ztcli
+++ b/bin/ztcli
@@ -28,23 +28,28 @@ include './framework/control.class.php';
 include './framework/model.class.php';
 include './framework/helper.class.php';
 include './config/config.php';
-
+    
+/* Set the PATH_INFO variable. */
 if($config->requestType == 'PATH_INFO')
 {
     $path = pathinfo($request['path']);
+
+    /* url like http://pms.zentao.net/zentao/my-todo.html, PATH_INFO is 'my-todo.html'. */
     if(strpos($path['basename'], $config->requestFix))
     {
         $_SERVER['PATH_INFO'] = $path['basename'];
     }
     else 
     {
+        /* url like http://pms.zentao.net/zentao/my/, PATH_INFO is 'my'. */
         if(is_dir('./module/' . $path['basename']))
         {
             $_SERVER['PATH_INFO'] = $path['basename'];
         }
+        /* url like http://pms.zentao.net/zentao/, PATH_INFO is '/'. */
         else
         {
-            $_SERVER['PATH_INFO'] = '';
+            $_SERVER['PATH_INFO'] = '/';
         }
     }
 }
diff --git a/module/common/model.php b/module/common/model.php
index 9595020d7c..a20090c471 100644
--- a/module/common/model.php
+++ b/module/common/model.php
@@ -80,7 +80,7 @@ class commonModel extends model
         {
             $this->app->user = $this->session->user;
         }
-        elseif($this->app->company->guest)
+        elseif($this->app->company->guest or defined('IN_SHELL'))
         {
             $user             = new stdClass();
             $user->id         = 0;