fix error happen while scrolling

lib/screens/doctor/doctor_reply_screen.dart

@@ -58,8 +58,8 @@ class _DoctorReplyScreenState extends State<DoctorReplyScreen> {
                         child: NotificationListener(
                           child: ListView.builder(
                               scrollDirection: Axis.vertical,
+                              itemCount: model.listDoctorWorkingHoursTable.length,
                               shrinkWrap: true,
-
                               itemBuilder: (BuildContext ctxt, int index) {
                                 return Column(
                                   children: [
@@ -83,20 +83,20 @@ class _DoctorReplyScreenState extends State<DoctorReplyScreen> {
                                           reply: model
                                               .listDoctorWorkingHoursTable[index]),
                                     ),
-                                    if(model.state == ViewState.BusyLocal &&index ==model.listDoctorWorkingHoursTable.length-1)
+                                    if(model.state == ViewState.BusyLocal && index == model.listDoctorWorkingHoursTable.length-1)
                                       DrAppCircularProgressIndeicator()
 
                                   ],
                                 );
                               }),
-                          onNotification: (t) {
+                          onNotification: (t)  {
                             if (t is ScrollEndNotification &&
                                 model.state != ViewState.BusyLocal) {
                               print("${model.state}");
-                              setState(() {
-                                pageIndex++;
-                              });
-                              model.getDoctorReply(pageIndex: pageIndex);
+                              // setState(() {
+                              //   pageIndex++;
+                              // });
+                               model.getDoctorReply(pageIndex: 2);
                             }
                             return;
                           },