Fix bug.

app/controllers/admin/asks_controller.rb

@@ -159,7 +159,7 @@ class Admin::AsksController < OrbitAdminController
     if @category_id.present?
       ask_setting = AskCategorySetting.where(:category_id=>@category_id).first
       tmp = ask_setting.custom_fields
-      list_setting_custom_fields = @ask_list_setting.custom_fields_list
+      list_setting_custom_fields = @ask_list_setting.custom_fields
     else
       tmp = []
       default_setting = AskSetting.first