fix null-safety error

lib/pages/life_pay/life_pay_page.dart

@@ -36,7 +36,7 @@ class SelectPay {
 class _LifePayPageState extends State<LifePayPage> {
   EasyRefreshController? _controller;
   List<int> _selectYears = [];
-  List<LifePayModel> _models = [];
+  List<LifePayModel?> _models = [];
   List<SelectPay> _selectPay = [];
   double _totalCost = 0;
   int _count = 0;
@@ -237,7 +237,7 @@ class _LifePayPageState extends State<LifePayPage> {
           ),
         ),
       ],
-      body: BeeListView(
+      body: BeeListView<LifePayModel>(
           path: API.manager.dailyPaymentList,
           controller: _controller,
           extraParams: {'estateId': appProvider.selectedHouse!.estateId},
@@ -253,7 +253,7 @@ class _LifePayPageState extends State<LifePayPage> {
             return lifePayModels;
           },
           builder: (items) {
-            _models = items as List<LifePayModel>;
+            if (items != null) _models = items as List<LifePayModel?>;
             return Column(
               children: [
                 _buildHouseCard(),

lib/pages/sign/sign_in_page.dart

@@ -120,8 +120,8 @@ class _SignInPageState extends State<SignInPage> {
           else if (TextUtil.isEmpty(_code.text))
             BotToast.showText(text: '验证码不能为空');
           else {
-            bool result = await (_showLoginVerify() as FutureOr<bool>);
-            _parseLogin(result);
+            bool? result = await _showLoginVerify();
+            if (result != null) _parseLogin(result);
           }
         },
         height: 89.w,

lib/pages/things_page/widget/bee_list_view.dart

@@ -50,7 +50,7 @@ class BeeListView<T> extends StatefulWidget {
   final List<T> Function(BaseListModel model) convert;
 
   ///子组件构造器
-  final Widget Function(List<T> items) builder;
+  final Widget Function(dynamic items) builder;
 
   ///每页记录数
   final int size;

lib/ui/manager/advice/advice_detail_page.dart

@@ -147,7 +147,7 @@ class _AdviceDetailPageState extends State<AdviceDetailPage> {
         ),
         ..._model.appAdviceDetailVo!.appAdviceContentVos!
             .map((e) => _buildAdviceContent(e))
-            .toList() as Iterable<Widget>,
+            .toList(),
       ],
     );
   }