自习室优化ok

lib/pages/teacher/room/t_room_page.dart

@@ -1,4 +1,5 @@
-import 'package:app/request/dto/room/room_info_dto.dart';
+import 'package:app/widgets/room/core/count_down_vm.dart';
+import 'package:app/request/dto/room/room_list_item_dto.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'controls/top_bar.dart';
@@ -6,7 +7,7 @@ import 'widgets/status_view.dart';
 import 'viewmodel/tch_room_vm.dart';
 
 class TRoomPage extends StatefulWidget {
-  final RoomInfoDto roomInfo;
+  final RoomListItemDto roomInfo;
 
   const TRoomPage({
     super.key,
@@ -20,12 +21,19 @@ class TRoomPage extends StatefulWidget {
 class _TRoomPageState extends State<TRoomPage> {
   @override
   Widget build(BuildContext context) {
-    return ChangeNotifierProvider<TchRoomVM>(
-      create: (BuildContext context) {
-        return TchRoomVM(
-          roomInfo: widget.roomInfo,
-        );
-      },
+    return MultiProvider(
+      providers: [
+        ChangeNotifierProvider<TchRoomVM>(
+          create: (_) => TchRoomVM(info: widget.roomInfo),
+        ),
+        ChangeNotifierProxyProvider<TchRoomVM, CountDownVM>(
+          create: (_) => CountDownVM(),
+          update: (_, tchVM, countDownVM) {
+            countDownVM!.bind(tchVM.roomInfo);
+            return countDownVM;
+          },
+        ),
+      ],
       child: Scaffold(
         backgroundColor: Color(0xff2c3032),
         appBar: TopBar(),