diff --git a/wgshare/lib/pages/homePage/home_logic.dart b/wgshare/lib/pages/homePage/home_logic.dart
index 8600c8e..d8c227d 100644
--- a/wgshare/lib/pages/homePage/home_logic.dart
+++ b/wgshare/lib/pages/homePage/home_logic.dart
@@ -1,9 +1,11 @@
+import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:signalr_core/signalr_core.dart';
 import 'package:wgshare/common/models/common/base_structure_result.dart';
 import 'package:wgshare/common/mixins/request_tool_mixin.dart';
 
 import '../../common/models/meeting_room_item.dart';
+import '../../utils/toast_utils.dart';
 import 'home_state.dart';
 
 class HomeLogic extends GetxController with RequestToolMixin {
@@ -54,4 +56,20 @@ class HomeLogic extends GetxController with RequestToolMixin {
     doHttpGetMeetingRoomList(state.pageIndex.value,state.pageSize.value);
   }
 
+  /// 返回键退出
+  bool closeOnConfirm(BuildContext context) {
+    DateTime now = DateTime.now();
+    // 物理键，两次间隔大于4秒, 退出请求无效
+    if (state.currentBackPressTime == null ||
+        now.difference(state.currentBackPressTime!) > const Duration(seconds: 4)) {
+      state.currentBackPressTime = now;
+      ToastUtils.showInfo("再按一次退出");
+      return false;
+    }
+    // 退出请求有效
+    state.currentBackPressTime = null;
+    return true;
+  }
+
+
 }
diff --git a/wgshare/lib/pages/homePage/home_state.dart b/wgshare/lib/pages/homePage/home_state.dart
index 00b7222..d8df1c6 100644
--- a/wgshare/lib/pages/homePage/home_state.dart
+++ b/wgshare/lib/pages/homePage/home_state.dart
@@ -25,4 +25,7 @@ class HomeState {
   /// 总页数
   final RxInt totalPage = 0.obs;
 
+  /// 退出计时
+  DateTime? currentBackPressTime;
+
 }
diff --git a/wgshare/lib/pages/homePage/home_view.dart b/wgshare/lib/pages/homePage/home_view.dart
index c64ec2d..790665a 100644
--- a/wgshare/lib/pages/homePage/home_view.dart
+++ b/wgshare/lib/pages/homePage/home_view.dart
@@ -37,13 +37,15 @@ class HomePageState extends State<HomePage> with AutomaticKeepAliveClientMixin {
     super.build(context);
     return PopScope(
       canPop: false,
-      onPopInvoked: (bool didPop) async {
-        if (didPop) {
-          return;
-        } else {
-          SystemNavigator.pop();
-        }
-      },
+        onPopInvoked: (bool didPop) async {
+          if (didPop) {
+            return;
+          }
+          if (logic.closeOnConfirm(context)) {
+            // 系统级别导航栈 退出程序
+            SystemNavigator.pop();
+          }
+        },
       child: Scaffold(
           appBar: AppBar(
             surfaceTintColor: Colors.white,
diff --git a/wgshare/lib/pages/metting/meeting_main_logic.dart b/wgshare/lib/pages/metting/meeting_main_logic.dart
index 60ce81e..db9658d 100644
--- a/wgshare/lib/pages/metting/meeting_main_logic.dart
+++ b/wgshare/lib/pages/metting/meeting_main_logic.dart
@@ -236,25 +236,11 @@ class MeetingMainLogic extends GetxController with RequestToolMixin {
         // 如果是自己在共享
       }else{
         // 共享不是自己
-        // 判断当前会议室是否存在共享成员
-        var isCurrentUserIsCamera = false;
         for (var i = 0; i < state.cacheUsers.value.length; i++) {
           if (state.remoteUid.value == state.cacheUsers.value[i].screenShareId) {
             state.cacheUsers.value[i].enableShare = true;
-            isCurrentUserIsCamera = true;
           }
         }
-
-        if (isCurrentUserIsCamera == true) {
-          // 当前会议室存在全员观看主播时，切换页面到视频状态
-          debugPrint("wgs输出===：当前会议室存在全员观看主播时，切换页面到视频状态");
-          changePageState(1);
-        } else {
-          // 当前会议室不存在全员观看主播时，设置主播ID为空并切换页面到视频状态
-          debugPrint("wgs输出===：当前会议室不存在全员观看主播时，设置主播ID为空并切换页面到视频状态");
-          state.remoteUid.value = "";
-          changePageState(1);
-        }
       }
     }
   }