diff --git a/module/common/model.php b/module/common/model.php
index 77ba607de0..a160c47190 100644
--- a/module/common/model.php
+++ b/module/common/model.php
@@ -510,6 +510,8 @@ class commonModel extends model
                 /* Print sub menus. */
                 if(isset($menuItem->subMenu))
                 {
+                    $link  = '';
+                    $label = '';
                     foreach($menuItem->subMenu as $subMenuItem)
                     {
                         if($subMenuItem->hidden) continue;
@@ -525,16 +527,16 @@ class commonModel extends model
 
                         $subLink = helper::createLink($subModule, $subMethod, $subParams);
 
-                        if($currentModule == strtolower($subModule) && $currentMethod == strtolower($subMethod))
-                        {
-                            $link  = $subLink;
-                            $label = $subLabel;
-                            $subActive = 'active';
-                        }
+                        if($currentModule == strtolower($subModule) && $currentMethod == strtolower($subMethod)) $subActive = 'active';
 
                         $subMenu .= "<li class='$subActive'>" . html::a($subLink, $subLabel) . '</li>';
+
+                        if(!$link)  $link  = $subLink;
+                        if(!$label) $label = $subLabel;
                     }
 
+                    if(!$link or !$label) continue;
+
                     if($subMenu)
                     {
                         $label   .= "<span class='caret'></span>";
diff --git a/module/custom/js/ajaxmenu.js b/module/custom/js/ajaxmenu.js
index e98383bb46..09adfbc0f0 100644
--- a/module/custom/js/ajaxmenu.js
+++ b/module/custom/js/ajaxmenu.js
@@ -45,9 +45,10 @@ $(function()
                 if(!item.text || item.fixed) return;
                 var $a = $('<a href="#"/>').append(item.text);
                 $a.data('menu', item).append('<i class="item-hidden-icon icon icon-eye-off"></i>');
-                $('<li/>').attr('data-id', item.name).toggleClass('right', item.float === 'right').toggleClass('menu-hidden', !!item.hidden).append($a).appendTo($nav);
+                var hidden = !!item.hidden;
                 if(item.subMenu)
                 {
+                    hidden = true;
                     $a.addClass('dropdown dropdown-hover').append("<span class='caret'></span><ul class='dropdown-menu'></ul>");
                     var $dropmenu = $a.find('.dropdown-menu');
                     $.each(item.subMenu, function(subIdx, subItem)
@@ -56,6 +57,8 @@ $(function()
                         var $subA = $('<a href="#"/>').append(subItem.text);
                         $subA.data('menu', subItem).append('<i class="item-hidden-icon icon icon-eye-off"></i>');
                         $('<li/>').attr('data-id', subItem.name).toggleClass('right', subItem.float === 'right').toggleClass('menu-hidden', !!subItem.hidden).append($subA).appendTo($dropmenu);
+
+                        hidden = subItem.hidden && hidden;
                     });
                     var $aInner = $a.children('a');
                     if ($aInner.length)
@@ -69,6 +72,7 @@ $(function()
                         $dropmenu.remove();
                     }
                 }
+                $('<li/>').attr('data-id', item.name).toggleClass('right', item.float === 'right').toggleClass('menu-hidden', hidden).append($a).appendTo($nav);
             });
             $nav.sortable({finish: function(e)
             {
@@ -134,17 +138,19 @@ $(function()
             var data = {name: item.name, order: parseInt(item.order)};
             if(item.hidden) data.hidden = true;
             if(item.float) data.float = item.float;
-            dataList.push(data);
-            if (item.subMenu)
+            if(item.subMenu)
             {
+                var subMenu = [];
                 $.each(item.subMenu, function(sIdx, subItem)
                 {
                     var subData = {name: subItem.name, order: parseInt(subItem.order)};
                     if(subItem.hidden) subData.hidden = true;
                     if(subItem.float) subData.float = subItem.float;
-                    dataList.push(subData);
+                    subMenu.push(subData);
                 });
+                data.subMenu = subMenu;
             }
+            dataList.push(data);
         });
         return dataList;
     };
@@ -221,9 +227,11 @@ $(function()
         }
     }).on('click', '.nav>li>a,.dropdown-menu>li>a', function(e)
     {
-        var $a         = $(this);
-        var item       = $a.data('menu');
-        if (!item) return;
+        var $a   = $(this);
+        var item = $a.data('menu');
+        if(!item) return;
+        if($a.find('.dropdown-menu').length) return;
+
         var $menu      = $a.closest('nav');
         var moduleName = item.link && item.link['module'] ? item.link['module'] : item.name;
         var methodName = item.link && item.link['method'] ? item.link['method'] : '';
@@ -234,6 +242,19 @@ $(function()
             methodName = item.name;
         }
         $a.parent().toggleClass('menu-hidden', item.hidden);
+
+        /* Update parent menu by sub menu. */
+        if($a.parent().parent().hasClass('dropdown-menu'))
+        {
+            var hidden = true;
+            $a.parent().parent().children().each(function()
+            {
+                hidden = $(this).hasClass('menu-hidden') && hidden;
+            });
+
+            $a.parent().parent().parent().parent().toggleClass('menu-hidden', item.hidden);
+        }
+
         updateConfig($menu);
         e.stopPropagation();
     });
diff --git a/module/custom/model.php b/module/custom/model.php
index 7963d8a248..cb28b96ca8 100644
--- a/module/custom/model.php
+++ b/module/custom/model.php
@@ -201,8 +201,8 @@ class customModel extends model
         /* Merge fileMenu and customMenu. */
         foreach($customMenuMap as $name => $item)
         {
-            if(is_object($allMenu) and !isset($allMenu->$name))$allMenu->$name = $item;
-            if(is_array($allMenu)  and !isset($allMenu[$name]))$allMenu[$name] = $item;
+            if(is_object($allMenu) and !isset($allMenu->$name)) $allMenu->$name = $item;
+            if(is_array($allMenu)  and !isset($allMenu[$name])) $allMenu[$name] = $item;
         }
 
         foreach($allMenu as $name => $item)
@@ -249,6 +249,15 @@ class customModel extends model
                 }
 
                 $hidden = isset($customMenuMap[$name]) && isset($customMenuMap[$name]->hidden) && $customMenuMap[$name]->hidden;
+
+                if(isset($item['subMenu']) && isset($customMenuMap[$name]->subMenu))
+                {
+                    foreach($customMenuMap[$name]->subMenu as $subItem)
+                    {
+                        if(isset($subItem->hidden) && $subItem->hidden && isset($item['subMenu'][$subItem->name])) $item['subMenu'][$subItem->name]->hidden = true;
+                    }
+                }
+
                 if(strpos($name, 'QUERY') === 0 and !isset($customMenuMap[$name])) $hidden = true;
 
                 $menuItem = new stdclass();
diff --git a/module/project/model.php b/module/project/model.php
index 8202b69cb0..fe4434e2d8 100644
--- a/module/project/model.php
+++ b/module/project/model.php
@@ -146,7 +146,7 @@ class projectModel extends model
             /* Replace for dropdown submenu. */
             if(isset($this->lang->project->subMenu->$key))
             {
-                $subMenu   = array();
+                $subMenu = array();
                 foreach($this->lang->project->subMenu->$key as $subMenuKey => $subMenuLink)
                 {
                     if(isset($subMenuLink['link'])) $subMenuLink = $subMenuLink['link'];
@@ -163,7 +163,7 @@ class projectModel extends model
                     $menu->link   = $link;
                     $menu->text   = $subMenuName;
                     $menu->hidden = false;
-                    $subMenu[] = $menu;
+                    $subMenu[$subMenuKey] = $menu;
 
                 }