修改 KRSecureStorage 类，确保每次操作前 box 都是打开状态。目前解决了从新打开app登录状态失效

(cherry picked from commit ab22be112a1753e5063799b5424f5d3feef06e2d)

lib/app/modules/kr_home/controllers/kr_home_controller.dart

@@ -1,5 +1,8 @@
 import 'dart:async';
 import 'dart:io';
+import 'package:http/http.dart' as http;
+import 'dart:convert';
+
 
 import 'package:flutter/material.dart';
 import 'package:path_provider/path_provider.dart';
@@ -1075,7 +1078,7 @@ class KRHomeController extends GetxController with WidgetsBindingObserver {
         // 后台切换成功，更新UI
         kr_cutSeletedTag.value = tag;
         kr_updateConnectionInfo();
-        kr_moveToSelectedNode();
+        // kr_moveToSelectedNode();
 
         // 🚀 方案A增强：增加验证前等待时间，确保活动组完全更新
         KRLogUtil.kr_i('⏳ [增强] 等待活动组更新（500ms）...', tag: 'HomeController');

lib/app/modules/kr_home/views/hi_animated_connect_button.dart

@@ -7,6 +7,8 @@ import 'package:kaer_with_panels/app/widgets/kr_local_image.dart';
 import 'package:kaer_with_panels/app/widgets/dialogs/hi_dialog.dart';
 import 'package:kaer_with_panels/app/widgets/kr_app_text_style.dart';
 import 'package:kaer_with_panels/app/services/global_overlay_service.dart';
+import 'package:kaer_with_panels/app/services/singbox_imp/kr_sing_box_imp.dart';
+import 'package:kaer_with_panels/singbox/model/singbox_status.dart';
 
 /// ✅ 按钮组件（带多层呼吸同心圆动画）
 class HIAnimatedConnectButton extends GetView<KRHomeController> {
@@ -20,9 +22,18 @@ class HIAnimatedConnectButton extends GetView<KRHomeController> {
   @override
   Widget build(BuildContext context) {
     return Obx(() {
-      final isConnected = controller.kr_isConnected.value;
       final delay = controller.kr_currentNodeLatency.value;
-      print('当前连接情况$delay----$isConnected');
+
+      // 🔧 关键: 强制读取两个 observable 确保追踪
+      final _ = KRSingBoxImp.instance.kr_status.value;  // 强制追踪
+      final isConnected = controller.kr_isConnected.value;  // 使用 controller 的状态
+
+      // 再次读取状态用于判断
+      final status = KRSingBoxImp.instance.kr_status.value;
+      final isSwitching = status is SingboxStarting || status is SingboxStopping;
+
+      print('🔵 Switch UI 更新: status=${status.runtimeType}, isConnected=$isConnected, isSwitching=$isSwitching');
+
       final isShow = isConnected; // delay == -1 || isConnected;
 
       final Color buttonColor = Theme.of(context).primaryColor;
@@ -71,6 +82,10 @@ class HIAnimatedConnectButton extends GetView<KRHomeController> {
                   clipBehavior: Clip.antiAlias,
                   child: InkWell(
                     onTap: () {
+                      if(isSwitching) {
+                        print('🔵 Switch UI 正在更新,切换中点击了按钮: status=${status.runtimeType}, isConnected=$isConnected, isSwitching=$isSwitching');
+                        return;
+                      }
                       final hasValidSubscription =
                           controller.kr_subscribeService.kr_availableSubscribes.isNotEmpty;
                       if (hasValidSubscription) {

lib/app/modules/kr_purchase_membership/views/kr_purchase_membership_view.dart

@@ -15,6 +15,7 @@ import 'package:kaer_with_panels/app/widgets/dialogs/kr_dialog.dart';
 import 'package:kaer_with_panels/app/widgets/kr_local_image.dart';
 import 'package:kaer_with_panels/app/utils/kr_log_util.dart';
 import 'dart:convert';
+import 'package:flutter_screenutil/flutter_screenutil.dart';