feat: 节点测速auto调整

lib/app/modules/hi_node_list/controllers/hi_node_list_controller.dart

@@ -98,6 +98,7 @@ class HINodeListController extends GetxController with WidgetsBindingObserver {
   void onInit() {
     super.onInit();
     WidgetsBinding.instance.addObserver(this);
+    _loadSelectedCountry();
   }
 
   @override
@@ -124,4 +125,14 @@ class HINodeListController extends GetxController with WidgetsBindingObserver {
     WidgetsBinding.instance.removeObserver(this);
     super.onClose();
   }
+
+  Future<void> _loadSelectedCountry() async {
+    try {
+      final v =
+          await KRSecureStorage().kr_readData(key: 'SELECTED_COUNTRY_TAG');
+      if (v != null && v.isNotEmpty) {
+        homeController.kr_coutryText.value = v;
+      }
+    } catch (_) {}
+  }
 }

lib/app/modules/hi_node_list/views/hi_node_list_view.dart

@@ -8,6 +8,7 @@ import 'package:kaer_with_panels/app/widgets/kr_app_text_style.dart';
 import 'package:kaer_with_panels/app/widgets/kr_country_flag.dart';
 import '../../../model/business/kr_outbound_item.dart';
 import '../../../utils/kr_log_util.dart';
+import 'package:kaer_with_panels/app/utils/kr_secure_storage.dart';
 import '../controllers/hi_node_list_controller.dart';
 import 'package:kaer_with_panels/app/modules/kr_home/models/kr_home_views_status.dart';
 import 'package:kaer_with_panels/app/services/singbox_imp/kr_sing_box_imp.dart';
@@ -83,21 +84,24 @@ class HINodeListView extends GetView<HINodeListController> {
             // 2. 使用 children 属性，并一次性构建所有列表项
             children: [
               if (controller.kr_subscribeService.countryOutboundList.isEmpty)
-                _buildEmptyListPlaceholder(context, AppTranslations.kr_home.noRegions)
+                _buildEmptyListPlaceholder(
+                    context, AppTranslations.kr_home.noRegions)
               else ...[
                 InkWell(
                   // 🔧 修复：改为 async，等待节点切换完成后再关闭列表
                   onTap: () async {
                     try {
-                      final success =
-                      await controller.homeController.kr_performNodeSwitch('auto');
+                      await KRSecureStorage().kr_saveData(
+                          key: 'SELECTED_COUNTRY_TAG', value: 'auto');
+                      controller.homeController.kr_coutryText.value = 'auto';
+                      final success = await controller.homeController
+                          .kr_performNodeSwitch('auto');
                       if (success) {
                         controller.homeController.kr_currentListStatus.value =
                             KRHomeViewsListStatus.kr_none;
                       }
                     } catch (e) {
-                      KRLogUtil.kr_e('Auto选项切换异常: $e',
-                          tag: 'NodeListView');
+                      KRLogUtil.kr_e('Auto选项切换异常: $e', tag: 'NodeListView');
                     }
                   },
                   child: Container(
@@ -109,7 +113,8 @@ class HINodeListView extends GetView<HINodeListController> {
                         ),
                       ),
                     ),
-                    padding: EdgeInsets.symmetric(vertical: 12.w, horizontal: 16.w),
+                    padding:
+                        EdgeInsets.symmetric(vertical: 12.w, horizontal: 16.w),
                     child: Row(
                       crossAxisAlignment: CrossAxisAlignment.center,
                       children: [
@@ -154,7 +159,7 @@ class HINodeListView extends GetView<HINodeListController> {
                           ),
                         ),
                         Obx(() =>
-                            controller.homeController.kr_cutSeletedTag.value ==
+                            controller.homeController.kr_coutryText.value ==
                                     'auto'
                                 ? KrLocalImage(
                                     imageName: 'radio-active-icon',
@@ -177,6 +182,11 @@ class HINodeListView extends GetView<HINodeListController> {
                   return InkWell(
                     onTap: () async {
                       try {
+                        await KRSecureStorage().kr_saveData(
+                            key: 'SELECTED_COUNTRY_TAG',
+                            value: country.country);
+                        controller.homeController.kr_coutryText.value =
+                            country.country;
                         final fastest = findFastestNode(country.outboundList);
                         final success = await controller.homeController
                             .kr_performNodeSwitch(fastest.tag);
@@ -544,9 +554,9 @@ class HINodeListView extends GetView<HINodeListController> {
           }),
           SizedBox(width: 12.w),
           Obx(() {
-            final selectedTag =
-                controller.homeController.kr_cutSeletedTag.value;
-            if (selectedTag == 'auto') {
+            final selectedCountryField =
+                controller.homeController.kr_coutryText.value;
+            if (selectedCountryField == 'auto') {
               return KrLocalImage(
                 imageName: 'radio-icon',
                 imageType: ImageType.svg,
@@ -554,9 +564,7 @@ class HINodeListView extends GetView<HINodeListController> {
                 height: 16.h,
               );
             }
-            final node = controller.kr_subscribeService.keyList[selectedTag];
-            final selectedCountry = node?.country ?? '';
-            final selected = selectedCountry == country.country;
+            final selected = selectedCountryField == country.country;
             return selected
                 ? KrLocalImage(
                     imageName: 'radio-active-icon',