languages fix

app/controllers/admin/page_contents_controller.rb

@@ -1,7 +1,7 @@
 class Admin::PageContentsController < OrbitAdminController
   before_action ->(module_app = @app_title) { set_variables module_app }
   def index
-    @table_fields = [:page_id, :name,:version,:update_at,:last_modified, :category]
+    @table_fields = ["page_content.id", :name,:version,:update_at,:last_modified, :category]
     @filter_fields = {}
     if params[:sort].blank? && params[:keywords].blank?
       @pages = get_pages_sorted(Page.root)