diff --git a/lib/pages/fcs_shipment/model/fcs_shipment_model.dart b/lib/pages/fcs_shipment/model/fcs_shipment_model.dart
index 7ee76d8..351d73e 100644
--- a/lib/pages/fcs_shipment/model/fcs_shipment_model.dart
+++ b/lib/pages/fcs_shipment/model/fcs_shipment_model.dart
@@ -15,9 +15,9 @@ class FcsShipmentModel extends BaseModel {
   List<FcsShipment> _fcsShipments = [];
   List<FcsShipment> get fcsShipments => _selectedIndex == 1
       ? _fcsShipments
-      : List<FcsShipment>.from(_shipped.values);
+      : List<FcsShipment>.from(_shipped!.values);
 
-  late Paginator _shipped;
+  Paginator? _shipped;
   bool isLoading = false;
   int _selectedIndex = 1;
   set selectedIndex(int index) {
@@ -37,9 +37,9 @@ class FcsShipmentModel extends BaseModel {
     _selectedIndex = 1;
     _loadFcsShipments();
 
-    if (_shipped != null) _shipped.close();
+    if (_shipped != null) _shipped!.close();
     _shipped = _getShipped();
-    _shipped.load();
+    _shipped!.load();
   }
 
   Future<void> _loadFcsShipments() async {
@@ -84,10 +84,10 @@ class FcsShipmentModel extends BaseModel {
   }
 
   Future<void> loadMore() async {
-    if (_shipped.ended || _selectedIndex == 1) return;
+    if (_shipped!.ended || _selectedIndex == 1) return;
     isLoading = true;
     notifyListeners();
-    await _shipped.load(onFinished: () {
+    await _shipped!.load(onFinished: () {
       isLoading = false;
       notifyListeners();
     });
@@ -95,7 +95,7 @@ class FcsShipmentModel extends BaseModel {
 
   Future<void> refresh() async {
     if (_selectedIndex == 1) return;
-    await _shipped.refresh(onFinished: () {
+    await _shipped!.refresh(onFinished: () {
       notifyListeners();
     });
   }
@@ -158,7 +158,7 @@ class FcsShipmentModel extends BaseModel {
   @override
   logout() async {
     if (listener != null) await listener!.cancel();
-    if (_shipped != null) _shipped.close();
+    if (_shipped != null) _shipped!.close();
     _fcsShipments = [];
   }