fix some error

app/controllers/admin/asks_controller.rb

@@ -124,6 +124,7 @@ class Admin::AsksController < OrbitAdminController
     Tag.find(tag).name_translations{}
   end
   def category_setting
+    @default_ask_setting = AskSetting.first
     @categories = @module_app.categories
     @category_ids = @categories.pluck(:id)
     @category_titles = @categories.pluck(:title).collect{|v| v[I18n.locale]}
@@ -387,7 +388,7 @@ class Admin::AsksController < OrbitAdminController
     def ask_setting_params(ask_setting,collection_name)
       param = params.require(collection_name).permit!
       param_clone = param.clone
-      param_clone['default_setting'].each { |k, v| param_clone['default_setting'][k] = (v == 'true'? true : false) } 
+      param_clone['default_setting'].each { |k, v| param_clone['default_setting'][k] = (v == 'true'? true : false) if param_clone['default_setting'][k].class==String} 
       param_clone.delete('custom_fields')
       custom_fields = ask_setting['custom_fields'].clone
       params_custom_fields = (params.require(collection_name).require('custom_fields') rescue {})