diff --git a/extension/lite/common/ext/lang/de/lite.php b/extension/lite/common/ext/lang/de/lite.php
index 0a74146ca0..911da4653c 100644
--- a/extension/lite/common/ext/lang/de/lite.php
+++ b/extension/lite/common/ext/lang/de/lite.php
@@ -189,16 +189,18 @@ $lang->admin->menu->company['subMenu']->browseUser  = array('link' => "{$lang->u
 $lang->admin->menu->company['subMenu']->dept        = array('link' => "{$lang->dept->common}|dept|browse", 'subModule' => 'dept');
 $lang->admin->menu->company['subMenu']->browseGroup = array('link' => "{$lang->priv}|group|browse", 'subModule' => 'group');
 
-$lang->admin->menu->dev['subMenu']         = new stdclass();
-$lang->admin->menu->dev['subMenu']->api    = array('link' => "API|dev|api");
-$lang->admin->menu->dev['subMenu']->db     = array('link' => "$lang->db|dev|db");
-$lang->admin->menu->dev['subMenu']->editor = array('link' => "$lang->editor|dev|editor");
-$lang->admin->menu->dev['subMenu']->entry  = array('link' => "{$lang->admin->entry}|entry|browse", 'subModule' => 'entry');
+$lang->admin->menu->dev['subMenu']           = new stdclass();
+$lang->admin->menu->dev['subMenu']->api      = array('link' => "API|dev|api");
+$lang->admin->menu->dev['subMenu']->db       = array('link' => "$lang->db|dev|db");
+$lang->admin->menu->dev['subMenu']->langItem = array('link' => "{$lang->langItem}|dev|langitem");
+$lang->admin->menu->dev['subMenu']->editor   = array('link' => "$lang->editor|dev|editor");
+$lang->admin->menu->dev['subMenu']->entry    = array('link' => "{$lang->admin->entry}|entry|browse", 'subModule' => 'entry');
 
 $lang->admin->menu->dev['menuOrder'][5]  = 'api';
 $lang->admin->menu->dev['menuOrder'][10] = 'db';
-$lang->admin->menu->dev['menuOrder'][15] = 'editor';
-$lang->admin->menu->dev['menuOrder'][20] = 'entry';
+$lang->admin->menu->dev['menuOrder'][15] = 'langItem';
+$lang->admin->menu->dev['menuOrder'][20] = 'editor';
+$lang->admin->menu->dev['menuOrder'][25] = 'entry';
 
 $lang->admin->menu->system['subMenu']              = new stdclass();
 $lang->admin->menu->system['subMenu']->data        = array('link' => "{$lang->admin->data}|backup|index", 'subModule' => 'action');
diff --git a/extension/lite/common/ext/lang/en/lite.php b/extension/lite/common/ext/lang/en/lite.php
index 0a74146ca0..911da4653c 100644
--- a/extension/lite/common/ext/lang/en/lite.php
+++ b/extension/lite/common/ext/lang/en/lite.php
@@ -189,16 +189,18 @@ $lang->admin->menu->company['subMenu']->browseUser  = array('link' => "{$lang->u
 $lang->admin->menu->company['subMenu']->dept        = array('link' => "{$lang->dept->common}|dept|browse", 'subModule' => 'dept');
 $lang->admin->menu->company['subMenu']->browseGroup = array('link' => "{$lang->priv}|group|browse", 'subModule' => 'group');
 
-$lang->admin->menu->dev['subMenu']         = new stdclass();
-$lang->admin->menu->dev['subMenu']->api    = array('link' => "API|dev|api");
-$lang->admin->menu->dev['subMenu']->db     = array('link' => "$lang->db|dev|db");
-$lang->admin->menu->dev['subMenu']->editor = array('link' => "$lang->editor|dev|editor");
-$lang->admin->menu->dev['subMenu']->entry  = array('link' => "{$lang->admin->entry}|entry|browse", 'subModule' => 'entry');
+$lang->admin->menu->dev['subMenu']           = new stdclass();
+$lang->admin->menu->dev['subMenu']->api      = array('link' => "API|dev|api");
+$lang->admin->menu->dev['subMenu']->db       = array('link' => "$lang->db|dev|db");
+$lang->admin->menu->dev['subMenu']->langItem = array('link' => "{$lang->langItem}|dev|langitem");
+$lang->admin->menu->dev['subMenu']->editor   = array('link' => "$lang->editor|dev|editor");
+$lang->admin->menu->dev['subMenu']->entry    = array('link' => "{$lang->admin->entry}|entry|browse", 'subModule' => 'entry');
 
 $lang->admin->menu->dev['menuOrder'][5]  = 'api';
 $lang->admin->menu->dev['menuOrder'][10] = 'db';
-$lang->admin->menu->dev['menuOrder'][15] = 'editor';
-$lang->admin->menu->dev['menuOrder'][20] = 'entry';
+$lang->admin->menu->dev['menuOrder'][15] = 'langItem';
+$lang->admin->menu->dev['menuOrder'][20] = 'editor';
+$lang->admin->menu->dev['menuOrder'][25] = 'entry';
 
 $lang->admin->menu->system['subMenu']              = new stdclass();
 $lang->admin->menu->system['subMenu']->data        = array('link' => "{$lang->admin->data}|backup|index", 'subModule' => 'action');
diff --git a/extension/lite/common/ext/lang/fr/lite.php b/extension/lite/common/ext/lang/fr/lite.php
index 0a74146ca0..911da4653c 100644
--- a/extension/lite/common/ext/lang/fr/lite.php
+++ b/extension/lite/common/ext/lang/fr/lite.php
@@ -189,16 +189,18 @@ $lang->admin->menu->company['subMenu']->browseUser  = array('link' => "{$lang->u
 $lang->admin->menu->company['subMenu']->dept        = array('link' => "{$lang->dept->common}|dept|browse", 'subModule' => 'dept');
 $lang->admin->menu->company['subMenu']->browseGroup = array('link' => "{$lang->priv}|group|browse", 'subModule' => 'group');
 
-$lang->admin->menu->dev['subMenu']         = new stdclass();
-$lang->admin->menu->dev['subMenu']->api    = array('link' => "API|dev|api");
-$lang->admin->menu->dev['subMenu']->db     = array('link' => "$lang->db|dev|db");
-$lang->admin->menu->dev['subMenu']->editor = array('link' => "$lang->editor|dev|editor");
-$lang->admin->menu->dev['subMenu']->entry  = array('link' => "{$lang->admin->entry}|entry|browse", 'subModule' => 'entry');
+$lang->admin->menu->dev['subMenu']           = new stdclass();
+$lang->admin->menu->dev['subMenu']->api      = array('link' => "API|dev|api");
+$lang->admin->menu->dev['subMenu']->db       = array('link' => "$lang->db|dev|db");
+$lang->admin->menu->dev['subMenu']->langItem = array('link' => "{$lang->langItem}|dev|langitem");
+$lang->admin->menu->dev['subMenu']->editor   = array('link' => "$lang->editor|dev|editor");
+$lang->admin->menu->dev['subMenu']->entry    = array('link' => "{$lang->admin->entry}|entry|browse", 'subModule' => 'entry');
 
 $lang->admin->menu->dev['menuOrder'][5]  = 'api';
 $lang->admin->menu->dev['menuOrder'][10] = 'db';
-$lang->admin->menu->dev['menuOrder'][15] = 'editor';
-$lang->admin->menu->dev['menuOrder'][20] = 'entry';
+$lang->admin->menu->dev['menuOrder'][15] = 'langItem';
+$lang->admin->menu->dev['menuOrder'][20] = 'editor';
+$lang->admin->menu->dev['menuOrder'][25] = 'entry';
 
 $lang->admin->menu->system['subMenu']              = new stdclass();
 $lang->admin->menu->system['subMenu']->data        = array('link' => "{$lang->admin->data}|backup|index", 'subModule' => 'action');
diff --git a/extension/lite/common/ext/lang/zh-cn/lite.php b/extension/lite/common/ext/lang/zh-cn/lite.php
index bf296cab43..a8a683a383 100644
--- a/extension/lite/common/ext/lang/zh-cn/lite.php
+++ b/extension/lite/common/ext/lang/zh-cn/lite.php
@@ -190,16 +190,18 @@ $lang->admin->menu->company['subMenu']->browseUser  = array('link' => "{$lang->u
 $lang->admin->menu->company['subMenu']->dept        = array('link' => "{$lang->dept->common}|dept|browse", 'subModule' => 'dept');
 $lang->admin->menu->company['subMenu']->browseGroup = array('link' => "{$lang->priv}|group|browse", 'subModule' => 'group');
 
-$lang->admin->menu->dev['subMenu']         = new stdclass();
-$lang->admin->menu->dev['subMenu']->api    = array('link' => "API|dev|api");
-$lang->admin->menu->dev['subMenu']->db     = array('link' => "$lang->db|dev|db");
-$lang->admin->menu->dev['subMenu']->editor = array('link' => "$lang->editor|dev|editor");
-$lang->admin->menu->dev['subMenu']->entry  = array('link' => "{$lang->admin->entry}|entry|browse", 'subModule' => 'entry');
+$lang->admin->menu->dev['subMenu']           = new stdclass();
+$lang->admin->menu->dev['subMenu']->api      = array('link' => "API|dev|api");
+$lang->admin->menu->dev['subMenu']->db       = array('link' => "$lang->db|dev|db");
+$lang->admin->menu->dev['subMenu']->langItem = array('link' => "{$lang->langItem}|dev|langitem");
+$lang->admin->menu->dev['subMenu']->editor   = array('link' => "$lang->editor|dev|editor");
+$lang->admin->menu->dev['subMenu']->entry    = array('link' => "{$lang->admin->entry}|entry|browse", 'subModule' => 'entry');
 
 $lang->admin->menu->dev['menuOrder'][5]  = 'api';
 $lang->admin->menu->dev['menuOrder'][10] = 'db';
-$lang->admin->menu->dev['menuOrder'][15] = 'editor';
-$lang->admin->menu->dev['menuOrder'][20] = 'entry';
+$lang->admin->menu->dev['menuOrder'][15] = 'langItem';
+$lang->admin->menu->dev['menuOrder'][20] = 'editor';
+$lang->admin->menu->dev['menuOrder'][25] = 'entry';
 
 $lang->admin->menu->system['subMenu']              = new stdclass();
 $lang->admin->menu->system['subMenu']->backup      = array('link' => "{$lang->backup->common}|backup|index");
diff --git a/module/dev/config.php b/module/dev/config.php
index 23b889cf3c..2b3d032639 100644
--- a/module/dev/config.php
+++ b/module/dev/config.php
@@ -246,5 +246,4 @@ $config->dev->navTypes = array('second', 'third', 'feature');
 $config->disableFeature = array();
 if(!helper::hasFeature('waterfall')) $config->disableFeature = array('design', 'stage', 'programplan', 'weekly', 'researchplan', 'researchreport', 'gapanalysis');
 
-$config->dev->disableMainMenu = array();
-if($config->systemMode == 'light') $config->dev->disableMainMenu = array('project');
+$config->dev->disableMainMenu = array('project', 'product', 'execution');
diff --git a/module/dev/model.php b/module/dev/model.php
index eaad5b7e53..dd8e57614d 100644
--- a/module/dev/model.php
+++ b/module/dev/model.php
@@ -344,7 +344,7 @@ class devModel extends model
         }
         elseif($type == 'feature')
         {
-            $langKey = $module . '_feature-' . $method . '_';
+            $langKey = 'featureBar-' . $method . '_';
             foreach($defaultLang->$module->featureBar[$method] as $feature => $featureName)
             {
                 $selectKey = $feature . 'Selects';
@@ -360,7 +360,7 @@ class devModel extends model
         elseif($type == 'first')
         {
            $lang    = $defaultLang->mainNav;
-           $langKey = 'mainMenu_';
+           $langKey = 'mainNav_';
         }
         elseif($type == 'second')
         {
@@ -385,10 +385,10 @@ class devModel extends model
 
                     if(isset($menu['dropMenu']))
                     {
-                        foreach($menu['dropMenu'] as $menuKey => $menu)
+                        foreach($menu['dropMenu'] as $key => $menu)
                         {
-                            $menuKey = 'dropMenu_' . $menuKey;
-                            $menus->{$menuKey} = $menu;
+                            $dropMenuKey = $menuKey . 'DropMenu_' . $key;
+                            $menus->{$dropMenuKey} = $menu;
                         }
                     }
                 }
@@ -397,12 +397,13 @@ class devModel extends model
         }
         elseif($type == 'third')
         {
-            $langKey = "{$module}SubMenu_menu_{$method}_";
+            $langKey = "{$method}_";
             $lang    = $defaultLang->$module->menu->$method['subMenu'];
         }
 
         foreach($lang as $linkKey => $link)
         {
+            if($type == 'first' and in_array($linkKey, $this->config->dev->disableMainMenu)) continue;
             if(is_array($link))
             {
                 if(!isset($link['link'])) continue;
@@ -412,7 +413,6 @@ class devModel extends model
             $link = strip_tags($link);
             $link = explode('|', $link);
 
-            if($type == 'second') $langKey = $module . 'Menu_' . $linkKey . '_';
             $originalLangs[$langKey . $linkKey] = trim($link[0]);
         }
 
@@ -424,14 +424,35 @@ class devModel extends model
      *
      * @param  string $type
      * @param  string $module
+     * @param  string $method
      * @param  string $language
      * @access public
      * @return array
      */
-    public function getCustomedLang($type, $module = '', $language = 'zh-cn')
+    public function getCustomedLang($type, $module = '', $method = '', $language = 'zh-cn')
     {
         $customedLangs = array();
         $clientLang    = $this->app->getClientLang();
+
+        // Defalut value set, remove when left tree display.
+        if($type == 'feature')
+        {
+            $module = 'product';
+            $method = 'browse';
+        }
+        elseif($type == 'second')
+        {
+            $module = 'scrum';
+        }
+        elseif($type == 'third')
+        {
+            $module = 'kanbanProject';
+            $method = 'settings';
+        }
+        // Defalut value set end.
+
+        $langKey   = '';
+        $customeds = array();
         if($type == 'common')
         {
             $customeds = $this->loadModel('custom')->getItems("lang={$clientLang}&module=common&section=&vision={$this->config->vision}");
@@ -452,6 +473,32 @@ class devModel extends model
             }
             if(!$this->config->URAndSR) unset($customedLangs['SRCommon']);
         }
+        elseif($type == 'first')
+        {
+            $customeds = $this->loadModel('custom')->getItems("lang={$clientLang}&module=common&section=mainNav&vision={$this->config->vision}");
+            $langKey   = 'mainNav_';
+        }
+        elseif($type == 'second')
+        {
+            $customeds = $this->loadModel('custom')->getItems("lang={$clientLang}&module={$module}Menu&section=&vision={$this->config->vision}");
+        }
+        elseif($type == 'third')
+        {
+            $customeds = $this->loadModel('custom')->getItems("lang={$clientLang}&module={$module}SubMenu&section=$method&vision={$this->config->vision}");
+            $langKey   = "{$method}_";
+        }
+        elseif($type == 'feature')
+        {
+            $customeds = $this->loadModel('custom')->getItems("lang={$clientLang}&module={$module}&section=featureBar-$method&vision={$this->config->vision}");
+            $langKey   = "featureBar-{$method}_";
+        }
+
+        foreach($customeds as $customed)
+        {
+            $customedKey = $customed->key;
+            if($type == 'second') $customedKey = $customed->section . '_' . $customed->key;
+            $customedLangs[$langKey . $customedKey] = $customed->value;
+        }
 
         return $customedLangs;
     }