diff --git a/app/models/MAA.py b/app/models/MAA.py
index 0b65cae..0dc7b88 100644
--- a/app/models/MAA.py
+++ b/app/models/MAA.py
@@ -580,6 +580,7 @@ class MaaManager(QObject):
                 self.maa_result = "Success!"
             elif (
                 ("请「检查连接设置」或「尝试重启模拟器与 ADB」或「重启电脑」" in log)
+                or ("未检测到任何模拟器" in log)
                 or ("已停止" in log)
                 or ("MaaAssistantArknights GUI exited" in log)
             ):
@@ -596,6 +597,7 @@ class MaaManager(QObject):
                 self.maa_result = "Success!"
             elif (
                 ("请「检查连接设置」或「尝试重启模拟器与 ADB」或「重启电脑」" in log)
+                or ("未检测到任何模拟器" in log)
                 or ("已停止" in log)
                 or ("MaaAssistantArknights GUI exited" in log)
             ):
@@ -734,13 +736,13 @@ class MaaManager(QObject):
 
                 data["Global"][
                     "VersionUpdate.ScheduledUpdateCheck"
-                ] = "True"  # 定时检查更新
+                ] = "False"  # 定时检查更新
                 data["Global"][
                     "VersionUpdate.AutoDownloadUpdatePackage"
-                ] = "True"  # 自动下载更新包
+                ] = "False"  # 自动下载更新包
                 data["Global"][
                     "VersionUpdate.AutoInstallUpdatePackage"
-                ] = "True"  # 自动安装更新包
+                ] = "False"  # 自动安装更新包
                 data["Configurations"]["Default"]["Start.ClientType"] = self.data[
                     index
                 ][
diff --git a/app/ui/member_manager.py b/app/ui/member_manager.py
index 057f52c..a3eab6c 100644
--- a/app/ui/member_manager.py
+++ b/app/ui/member_manager.py
@@ -330,7 +330,7 @@ class MemberManager(QWidget):
                 for _ in range(3):
                     try:
                         response = requests.get(
-                            "https://mirrorc.top/api/resources/MAA/latest?user_agent=MaaWpfGui&os=win&arch=x64&channel=beta"
+                            "https://mirrorc.top/api/resources/MAA/latest?user_agent=MaaWpfGui&os=win&arch=x64&channel=stable"
                         )
                         maa_info = response.json()
                         break
diff --git a/resources/version.json b/resources/version.json
index 9cede48..459304c 100644
--- a/resources/version.json
+++ b/resources/version.json
@@ -1,7 +1,7 @@
 {
-    "main_version": "4.2.4.0",
+    "main_version": "4.2.4.1",
     "updater_version": "1.1.2.0",
-    "announcement": "\n## 新增功能\n- 添加`简洁用户列表下相邻两个任务间的切换方式`可选项\n- 恢复启动后直接运行主任务功能以及相关托盘菜单\n## 修复BUG\n- 修复静默代理标记移除异常情况\n- 适配深色模式 #18\n## 程序优化\n- 优化MAA关闭方法\n- 添加高级代理文件校验过程\n- 升级日志监看方法\n- 优化主调度台默认选项\n- 配置MAA前关闭可能未正常退出的MAA进程\n- 接入镜像源",
+    "announcement": "\n## 新增功能\n- 暂无\n## 修复BUG\n- 更新器修正`channel`\n## 程序优化\n- 添加MAA监测字段：`未检测到任何模拟器`\n- 取消MAA运行中自动更新",
     "proxy_list": [
         "",
         "https://gitproxy.click/",