[new]修改谈话部分代码

lib/module/talk/controller.dart

@@ -16,7 +16,6 @@ import 'original/view.dart';
 class TalkController extends BaseController {
   final Rxn<TalkBean> talkBean = Rxn();
 
-  // final isOriginalAnalysed = false.obs;
   final isShowElectricLow = false.obs;
 
   final isAudioPlaying = false.obs;
@@ -31,7 +30,7 @@ class TalkController extends BaseController {
     StringName.talkTabOriginal.tr
   ];
 
-  late StreamSubscription<TalkBean?> _talkBeanListener;
+  StreamSubscription? _talkBeanListener;
 
   final pages = [const SummaryView(), const TodoView(), const OriginalView()];