编号问题

lib/pages/help_center/view.dart

@@ -26,6 +26,7 @@ class _HelpCenterPageState extends State<HelpCenterPage> {
               itemCount: controller.helpCenters.length,
               itemBuilder: (BuildContext context, int index){
                 HelpCenterModel model = controller.helpCenters[index];
+                model.id = index +1;
                 return GestureDetector(
                   child: BuildItem(model: model,),
                   onTap: (){