update main model

lib/pages/main/model/base_model.dart

@@ -6,9 +6,9 @@ import 'package:fcs/helpers/api_helper.dart';
 import 'main_model.dart';
 
 abstract class BaseModel extends ChangeNotifier {
-  User user;
-  Setting setting;
-  MainModel mainModel;
+  User? user;
+  Setting? setting;
+  MainModel? mainModel;
 
   void initUser(User user) async {
     this.user = user;
@@ -16,7 +16,7 @@ abstract class BaseModel extends ChangeNotifier {
 
   void privilegeChanged() {}
 
-  void initSetting(Setting setting) async {
+  void initSetting(Setting? setting) async {
     this.setting = setting;
   }
 
@@ -32,8 +32,8 @@ abstract class BaseModel extends ChangeNotifier {
     String path,
     method, {
     dynamic payload,
-    String token,
-    String url,
+    required String token,
+    String? url,
   }) async {
     return await requestAPI(path, method,
         payload: payload, token: token, url: url);