* [bug] use default menu in tutorial.

module/common/model.php

@@ -622,7 +622,7 @@ class commonModel extends model
 
         $menuOrder     = array();
         $hasCustomMenu = false;
-        if(isset($config->customMenu->nav) && !$useDefault)
+        if(isset($config->customMenu->nav) && !$useDefault && !commonModel::isTutorialMode())
         {
             $items = json_decode($config->customMenu->nav);
             foreach($items as $item) $menuOrder[$item->order] = $item->name;

module/custom/model.php

@@ -451,7 +451,7 @@ class customModel extends model
 
         /* 获取自定义过的导航。 */
         $customKey  = $isHomeMenu ? $app->tab . '-home' : ($module == 'main' ? $app->tab : $app->tab . '-' . $module);
-        $customMenu = isset($config->customMenu->{$customKey}) ? $config->customMenu->{$customKey}: array();
+        $customMenu = (isset($config->customMenu->{$customKey}) && !commonModel::isTutorialMode()) ? $config->customMenu->{$customKey}: array();
 
         if(!empty($customMenu) && is_string($customMenu) && substr($customMenu, 0, 1) === '[') $customMenu = json_decode($customMenu);
         if($module == 'my' && empty($config->global->scoreStatus)) unset($allMenu->score);