diff --git a/making_school_asignment_app/distribute_options.yaml b/making_school_asignment_app/distribute_options.yaml
new file mode 100644
index 0000000..c154351
--- /dev/null
+++ b/making_school_asignment_app/distribute_options.yaml
@@ -0,0 +1,19 @@
+output: dist/
+releases:
+  - name: prod
+    jobs:
+      - name: macos-zip
+        package:
+          platform: macos
+          target: zip
+          build_args:
+            dart-define:
+              APP_ENV: dev
+      # 查看完整文档：https://distributor.leanflutter.org/configuration/makers/exe
+      - name: windows-exe
+        package:
+          platform: windows
+          target: exe
+          build_args:
+            dart-define:
+              APP_ENV: dev
\ No newline at end of file
diff --git a/making_school_asignment_app/dsa_priv.pem b/making_school_asignment_app/dsa_priv.pem
new file mode 100644
index 0000000..8fc331f
--- /dev/null
+++ b/making_school_asignment_app/dsa_priv.pem
@@ -0,0 +1,36 @@
+-----BEGIN DSA PRIVATE KEY-----
+MIIGVwIBAAKCAgEAxYdEkMUOQEzLxPmYTBqJrQrig2VFfUgEgtPr8nsYkkVQC/o1
+dLgt9ZCtLwg4nTbjyMuOLMrerf1DlizLSh+oVXlIRO3Usc/10FLrC8azIIU2BS8Y
+PKt4k+3h/NCY5TdKfCgG820A3cDcybsDW/rTk3/zjltsZ3S8maWP2r6ITUvwVSZ5
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+PEYEVr8WQdMuBHdpLYRYzK+BcRXeOPt/Z9vtMk0Z/OBuy5SnD3jldbVLupFAeYN6
+FUTwUvVqXvNF1ftC8kYNJxYBjdmhUM2OghM3wvad8OpVFNxgHQl2O6UMDlk4Xpcc
+7bb1MZvkC1XZhrt+4XAChEa2IOWnWCQxLw/MWMJUj7/yVqg7IcQOh1vArr+wvaz5
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+LnJ36gFeAoqBaOZsXRyybm4DMwSL5jNPDtxniE+v/9G7IOXYk4kH6B+7+S8CIQD+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+-----END DSA PRIVATE KEY-----
diff --git a/making_school_asignment_app/dsa_pub.pem b/making_school_asignment_app/dsa_pub.pem
new file mode 100644
index 0000000..ffabf45
--- /dev/null
+++ b/making_school_asignment_app/dsa_pub.pem
@@ -0,0 +1,36 @@
+-----BEGIN PUBLIC KEY-----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+-----END PUBLIC KEY-----
diff --git a/making_school_asignment_app/lib/common/api/retrofit_client.dart b/making_school_asignment_app/lib/common/api/retrofit_client.dart
index e803f76..3597235 100644
--- a/making_school_asignment_app/lib/common/api/retrofit_client.dart
+++ b/making_school_asignment_app/lib/common/api/retrofit_client.dart
@@ -141,5 +141,5 @@ abstract class RetrofitClient {
 
   // 获取APP 版本
   @GET("/api/infra/AppVersion/Get")
-  Future<AppVersion?> getLastAppVersion(@Query('appName') String appName, @Query('ftuType') int ftuType); // ftuType 1安卓 2IOS
+  Future<AppVersion?> getLastAppVersion(@Query('appName') String appName, @Query('ftuType') int ftuType); // ftuType 1安卓 2IOS 3windows
 }
diff --git a/making_school_asignment_app/lib/common/mixins/event_bus_mixin.dart b/making_school_asignment_app/lib/common/mixins/event_bus_mixin.dart
index 9c01517..3052c81 100644
--- a/making_school_asignment_app/lib/common/mixins/event_bus_mixin.dart
+++ b/making_school_asignment_app/lib/common/mixins/event_bus_mixin.dart
@@ -5,7 +5,7 @@ import 'package:event_bus/event_bus.dart';
 import 'package:making_school_asignment_app/common/utils/event_bus_utils.dart';
 
 mixin EventBusMixin<T> {
-  StreamSubscription? _subscription;
+  late final StreamSubscription? _subscription;
   static final EventBusUtils _exampleUtil = EventBusUtils();
   static final EventBus _eBus = _exampleUtil.getEventBus();
 
diff --git a/making_school_asignment_app/lib/common/utils/app_upgrade/UpdateDialog.dart b/making_school_asignment_app/lib/common/utils/app_upgrade/UpdateDialog.dart
index 4d41354..b877228 100644
--- a/making_school_asignment_app/lib/common/utils/app_upgrade/UpdateDialog.dart
+++ b/making_school_asignment_app/lib/common/utils/app_upgrade/UpdateDialog.dart
@@ -14,6 +14,7 @@
  * @LastEditors: Please set LastEditors
  * @LastEditTime: 2021-01-12 15:08:43
  */
+import 'package:auto_updater/auto_updater.dart';
 import 'package:flutter_widget_from_html_core/flutter_widget_from_html_core.dart';
 import 'package:get/get.dart';
 import 'package:making_school_asignment_app/common/utils/app_upgrade/DownloadApk.dart';
@@ -202,6 +203,10 @@ class DownloadButton extends StatelessWidget {
               } catch (e) {
                 print('进来更新报错$e');
               }
+            } else if (deviceInfo == 'windows' && updateAppEvent.equipment == Equipment.windows) {
+              await autoUpdater.setFeedURL(updateAppEvent.link);
+              await autoUpdater.checkForUpdates();
+              await autoUpdater.setScheduledCheckInterval(0);
             }
           }),
           child: quickText(!logic.loadingApk.value ? '立即体验' : '正在下载...', size: 16.sp, color: Colors.white, fontWeight: FontWeight.w500),
diff --git a/making_school_asignment_app/lib/common/utils/app_upgrade/model/UpdateAppEvent.dart b/making_school_asignment_app/lib/common/utils/app_upgrade/model/UpdateAppEvent.dart
index 581721f..6db38c7 100644
--- a/making_school_asignment_app/lib/common/utils/app_upgrade/model/UpdateAppEvent.dart
+++ b/making_school_asignment_app/lib/common/utils/app_upgrade/model/UpdateAppEvent.dart
@@ -80,4 +80,4 @@ class UpdateAppEvent {
 }
 
 // 设备枚举
-enum Equipment { other, android, ios }
+enum Equipment { other, android, ios, windows }
diff --git a/making_school_asignment_app/lib/common/utils/app_upgrade/upgradeLogic.dart b/making_school_asignment_app/lib/common/utils/app_upgrade/upgradeLogic.dart
index 8bd7ee6..a68a9ef 100644
--- a/making_school_asignment_app/lib/common/utils/app_upgrade/upgradeLogic.dart
+++ b/making_school_asignment_app/lib/common/utils/app_upgrade/upgradeLogic.dart
@@ -33,6 +33,9 @@ class UpgradeLogic extends GetxController with RequestToolMixin {
       } else if (Platform.isIOS) {
         deviceInfo = "ios";
         deviceType = 2;
+      } else if (Platform.isWindows) {
+        deviceInfo = "windows";
+        deviceType = 3;
       } else {
         return;
       }
diff --git a/making_school_asignment_app/lib/page/home_page/children/homework_review/components/question_paper_view.dart b/making_school_asignment_app/lib/page/home_page/children/homework_review/components/question_paper_view.dart
index 9ccc15c..09527aa 100644
--- a/making_school_asignment_app/lib/page/home_page/children/homework_review/components/question_paper_view.dart
+++ b/making_school_asignment_app/lib/page/home_page/children/homework_review/components/question_paper_view.dart
@@ -439,6 +439,8 @@ class QuestionImageView extends HookWidget with EventBusMixin<BottomOperationBar
     return -1;
   }
 
+  int activePointers = 0;
+
   @override
   Widget build(BuildContext context) {
     final scrollControllerQuestion = useScrollController(); // 试题图片区域
@@ -551,6 +553,7 @@ class QuestionImageView extends HookWidget with EventBusMixin<BottomOperationBar
 
       // 返回一个清理函数，在组件销毁时移除监听
       return () {
+        activePointers = 0;
         listenVal.cancel();
         imageStream?.removeListener(imageStreamListener.value);
       };
@@ -577,16 +580,26 @@ class QuestionImageView extends HookWidget with EventBusMixin<BottomOperationBar
                   boxShadow: [BoxShadow(color: Colors.grey.withOpacity(0.2), offset: Offset(-6.r, 1.r), blurRadius: 10.r, spreadRadius: 8.r)]),
               child: Listener(
                 behavior: HitTestBehavior.opaque,
+                onPointerDown: (PointerDownEvent event) {
+                  // 判断当前是否已经有触摸点，如果有则忽略该触摸事件
+
+                  // 处理单个触摸点按下的逻辑
+                  activePointers++;
+                },
                 onPointerUp: (PointerUpEvent details) {
                   // 处理单个触摸点抬起的逻辑
                   // activePointers--;
                   // globalPosition = null;
+                  activePointers--;
+
                   var imageScale = sateData.imageScale.value;
                   if (imageScale == null || !annotationState.pen.value) return;
                   vnHandWritings.value.add(null); // 增加空点以分隔不同的线段
                   sateData.handwritings = vnHandWritings.value; // 添加笔迹数据
                 },
                 onPointerMove: (PointerMoveEvent event) {
+                  if (activePointers != 1) return;
+
                   var imageScale = sateData.imageScale.value;
                   if (imageScale == null || !annotationState.pen.value) return;
                   Offset localPosition = event.localPosition;
diff --git a/making_school_asignment_app/macos/Flutter/GeneratedPluginRegistrant.swift b/making_school_asignment_app/macos/Flutter/GeneratedPluginRegistrant.swift
index a77af63..288265e 100644
--- a/making_school_asignment_app/macos/Flutter/GeneratedPluginRegistrant.swift
+++ b/making_school_asignment_app/macos/Flutter/GeneratedPluginRegistrant.swift
@@ -5,6 +5,7 @@
 import FlutterMacOS
 import Foundation
 
+import auto_updater_macos
 import connectivity_plus
 import package_info_plus
 import path_provider_foundation
@@ -12,6 +13,7 @@ import sqflite
 import url_launcher_macos
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  AutoUpdaterMacosPlugin.register(with: registry.registrar(forPlugin: "AutoUpdaterMacosPlugin"))
   ConnectivityPlusPlugin.register(with: registry.registrar(forPlugin: "ConnectivityPlusPlugin"))
   FPPPackageInfoPlusPlugin.register(with: registry.registrar(forPlugin: "FPPPackageInfoPlusPlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
diff --git a/making_school_asignment_app/pubspec.yaml b/making_school_asignment_app/pubspec.yaml
index 3cf7843..e332911 100644
--- a/making_school_asignment_app/pubspec.yaml
+++ b/making_school_asignment_app/pubspec.yaml
@@ -90,7 +90,10 @@ dependencies:
   flutter_echart: ^2.0.0
   url_launcher: ^6.1.11
   app_installer: ^1.1.0
+  auto_updater: ^0.2.0
   permission_handler: ^11.0.1
+  flutter_distributor: ^0.4.5
+
 
 dev_dependencies:
   flutter_test:
diff --git a/making_school_asignment_app/windows/flutter/generated_plugin_registrant.cc b/making_school_asignment_app/windows/flutter/generated_plugin_registrant.cc
index 51b78a6..a62c1dd 100644
--- a/making_school_asignment_app/windows/flutter/generated_plugin_registrant.cc
+++ b/making_school_asignment_app/windows/flutter/generated_plugin_registrant.cc
@@ -6,11 +6,14 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <auto_updater_windows/auto_updater_windows_plugin_c_api.h>
 #include <connectivity_plus/connectivity_plus_windows_plugin.h>
 #include <permission_handler_windows/permission_handler_windows_plugin.h>
 #include <url_launcher_windows/url_launcher_windows.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
+  AutoUpdaterWindowsPluginCApiRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("AutoUpdaterWindowsPluginCApi"));
   ConnectivityPlusWindowsPluginRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("ConnectivityPlusWindowsPlugin"));
   PermissionHandlerWindowsPluginRegisterWithRegistrar(
diff --git a/making_school_asignment_app/windows/flutter/generated_plugins.cmake b/making_school_asignment_app/windows/flutter/generated_plugins.cmake
index 9678546..1a3c9b6 100644
--- a/making_school_asignment_app/windows/flutter/generated_plugins.cmake
+++ b/making_school_asignment_app/windows/flutter/generated_plugins.cmake
@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  auto_updater_windows
   connectivity_plus
   permission_handler_windows
   url_launcher_windows
diff --git a/making_school_asignment_app/windows/runner/Runner.rc b/making_school_asignment_app/windows/runner/Runner.rc
index 841566a..d8371c7 100644
--- a/making_school_asignment_app/windows/runner/Runner.rc
+++ b/making_school_asignment_app/windows/runner/Runner.rc
@@ -119,3 +119,13 @@ END
 
 /////////////////////////////////////////////////////////////////////////////
 #endif    // not APSTUDIO_INVOKED
+
+...
+
++/////////////////////////////////////////////////////////////////////////////
++//
++// WinSparkle
++//
+
++// And verify signature using DSA public key:
++DSAPub      DSAPEM      "../../dsa_pub.pem"