diff --git a/lib/app/common/app_run_data.dart b/lib/app/common/app_run_data.dart
index 53a30b2..c2d1440 100755
--- a/lib/app/common/app_run_data.dart
+++ b/lib/app/common/app_run_data.dart
@@ -19,6 +19,7 @@ import '../services/api_service/kr_api.user.dart';
 import '../services/kr_announcement_service.dart';
 import '../services/singbox_imp/kr_sing_box_imp.dart';
 import '../services/kr_site_config_service.dart';
+import '../services/kr_subscribe_service.dart';
 import '../utils/kr_event_bus.dart';
 import '../../singbox/model/singbox_status.dart';
 
@@ -204,7 +205,7 @@ class KRAppRunData {
         'loginType': loginType.value,
         'areaCode': areaCode ?? "",
       };
-       // _kr_connectSocket(kr_userId.value.toString());
+
       KRLogUtil.kr_i('准备保存用户信息到存储', tag: 'AppRunData');
       
       await KRSecureStorage().kr_saveData(
@@ -279,6 +280,20 @@ class KRAppRunData {
 
         // 重置公告显示状态
         KRAnnouncementService().kr_reset();
+
+        // 🔧 修复4: 清理订阅服务数据 - 防止未登录用户访问订阅
+        try {
+          final subscribeService = Get.find<dynamic>(tag: 'KRSubscribeService');
+          if (subscribeService != null && subscribeService is KRSubscribeService) {
+            KRLogUtil.kr_i('🧹 清理订阅服务数据...', tag: 'AppRunData');
+            await subscribeService.kr_logout();
+            KRLogUtil.kr_i('✅ 订阅服务数据已清理', tag: 'AppRunData');
+          }
+        } catch (e) {
+          // 忽略异常：如果订阅服务未初始化或不可用，直接继续
+          KRLogUtil.kr_d('⚠️ 无法获取订阅服务，跳过清理: $e', tag: 'AppRunData');
+        }
+
         // 5️⃣ 执行设备登录
         final success = await kr_checkAndPerformDeviceLogin();
 
diff --git a/lib/app/modules/kr_home/controllers/kr_home_controller.dart b/lib/app/modules/kr_home/controllers/kr_home_controller.dart
index d814aa6..ee9e9c9 100755
--- a/lib/app/modules/kr_home/controllers/kr_home_controller.dart
+++ b/lib/app/modules/kr_home/controllers/kr_home_controller.dart
@@ -566,8 +566,7 @@ class KRHomeController extends GetxController with WidgetsBindingObserver {
 
     // 添加活动组监听，确保状态同步
     ever(KRSingBoxImp.instance.kr_activeGroups, (value) {
-      KRLogUtil.kr_i(
-          '📡 活动组更新，数量: ${value.length}', tag: 'HomeController');
+      KRLogUtil.kr_i('📡 活动组更新，数量: ${value.length}', tag: 'HomeController');
 
       if (value.isEmpty) {
         KRLogUtil.kr_w('⚠️ 活动组为空', tag: 'HomeController');
diff --git a/lib/app/services/kr_subscribe_service.dart b/lib/app/services/kr_subscribe_service.dart
index 47867fd..a01faf0 100755
--- a/lib/app/services/kr_subscribe_service.dart
+++ b/lib/app/services/kr_subscribe_service.dart
@@ -10,6 +10,7 @@ import 'package:kaer_with_panels/app/utils/kr_log_util.dart';
 
 import 'package:kaer_with_panels/app/utils/kr_common_util.dart';
 import 'package:kaer_with_panels/app/localization/app_translations.dart';
+import 'package:kaer_with_panels/app/common/app_run_data.dart';
 
 import '../../singbox/model/singbox_status.dart';
 import '../model/business/kr_group_outbound_list.dart';
@@ -455,6 +456,15 @@ class KRSubscribeService {
   /// 刷新所有数据
   Future<void> kr_refreshAll() async {
     try {
+      // 🔧 修复2: 添加登录状态检查 - 只有已登录用户才能刷新订阅数据
+      if (!KRAppRunData().kr_isLogin.value) {
+        KRLogUtil.kr_e('❌ 未登录用户，无法刷新订阅数据', tag: 'SubscribeService');
+        kr_availableSubscribes.clear();
+        kr_currentSubscribe.value = null;
+        kr_currentStatus.value = KRSubscribeServiceStatus.kr_error;
+        return;
+      }
+
       kr_currentStatus.value = KRSubscribeServiceStatus.kr_loading;
       await kr_clearData();
       KRLogUtil.kr_i('开始刷新所有数据', tag: 'SubscribeService');
diff --git a/lib/app/services/singbox_imp/kr_sing_box_imp.dart b/lib/app/services/singbox_imp/kr_sing_box_imp.dart
index ee429d6..688d67d 100755
--- a/lib/app/services/singbox_imp/kr_sing_box_imp.dart
+++ b/lib/app/services/singbox_imp/kr_sing_box_imp.dart
@@ -21,6 +21,7 @@ import '../../../singbox/model/singbox_status.dart';
 import '../../utils/kr_country_util.dart';
 import '../../utils/kr_log_util.dart';
 import '../../utils/kr_secure_storage.dart';
+import '../../common/app_run_data.dart';
 
 enum KRConnectionType {
   global,
@@ -1001,6 +1002,12 @@ class KRSingBoxImp {
   Future<void> kr_start() async {
     // 不再手动设置状态，libcore 会通过 status stream 自动发送状态更新
     try {
+      // 🔧 修复3: 添加登录状态检查 - 只有已登录用户才能连接VPN
+      if (!KRAppRunData().kr_isLogin.value) {
+        KRLogUtil.kr_e('❌ 未登录用户，禁止启动VPN连接', tag: 'SingBox');
+        throw Exception('用户未登录，无法启动VPN服务');
+      }
+
       // ⚠️ 强制编译标记 - v2.0-lazy-load
       KRLogUtil.kr_i('🚀🚀🚀 [v2.0-lazy-load] 开始启动 SingBox...', tag: 'SingBox');
       KRLogUtil.kr_i('📁 配置文件路径: $_cutPath', tag: 'SingBox');