diff --git a/module/common/lang/en.php b/module/common/lang/en.php
index a65f5cd438..2f34eadcaa 100644
--- a/module/common/lang/en.php
+++ b/module/common/lang/en.php
@@ -179,7 +179,7 @@ $lang->project = new stdclass();
 $lang->project->menu = new stdclass();
 
 $lang->project->menu->list      = '%s';
-$lang->project->menu->task      = array('link' => 'Task|project|task|projectID=%s', 'subModule' => 'task', 'alias' => 'grouptask,importtask,importbug,burn');
+$lang->project->menu->task      = array('link' => 'Task|project|task|projectID=%s', 'subModule' => 'task,tree', 'alias' => 'grouptask,importtask,importbug,burn');
 $lang->project->menu->story     = array('link' => 'Story|project|story|projectID=%s', 'subModule' => 'story', 'alias' => 'linkstory');
 $lang->project->menu->bug       = 'Bug|project|bug|projectID=%s';
 $lang->project->menu->dynamic   = 'Dynamic|project|dynamic|projectID=%s';
diff --git a/module/common/lang/zh-cn.php b/module/common/lang/zh-cn.php
index 547c113418..577a360889 100644
--- a/module/common/lang/zh-cn.php
+++ b/module/common/lang/zh-cn.php
@@ -179,7 +179,7 @@ $lang->project = new stdclass();
 $lang->project->menu = new stdclass();
 
 $lang->project->menu->list      = '%s';
-$lang->project->menu->task      = array('link' => '任务|project|task|projectID=%s', 'subModule' => 'task', 'alias' => 'grouptask,importtask,burn,importbug');
+$lang->project->menu->task      = array('link' => '任务|project|task|projectID=%s', 'subModule' => 'task,tree', 'alias' => 'grouptask,importtask,burn,importbug');
 $lang->project->menu->story     = array('link' => '需求|project|story|projectID=%s', 'subModule' => 'story', 'alias' => 'linkstory');
 $lang->project->menu->bug       = 'Bug|project|bug|projectID=%s';
 $lang->project->menu->dynamic   = '动态|project|dynamic|projectID=%s';
diff --git a/module/common/model.php b/module/common/model.php
index e59974e92b..7852085e3f 100644
--- a/module/common/model.php
+++ b/module/common/model.php
@@ -386,7 +386,8 @@ class commonModel extends model
                 if(common::hasPriv($module, $method))
                 {
                     /* Is the currentModule active? */
-                    if($currentModule == $subModule and $float != 'right') $active = 'active';
+                    $subModules = explode(',', $subModule);
+                    if(in_array($currentModule,$subModules) and $float != 'right') $active = 'active';
                     if($module == $currentModule and ($method == $currentMethod or strpos(",$alias,", ",$currentMethod,") !== false) and $float != 'right') $active = 'active';
                     echo "<li class='$float $active'>" . html::a(helper::createLink($module, $method, $vars), $label, $target, "id=submenu$subMenuKey") . "</li>\n";
                 }