修正切换订阅计划多节点列表展示问题

lib/app/model/response/kr_node_list.dart

@@ -26,12 +26,33 @@ class KRNodeList {
         return const KRNodeList(list: []);
       }
 
-      // 获取第一个订阅对象
-      final subscribeData = listData[0] as Map<String, dynamic>;
+      // 尝试找到与请求参数 id 匹配的订阅项
+      // 如果 json 中有 subscribeId，则查找匹配项；否则使用第一个
+      Map<String, dynamic>? subscribeData;
+
+      final String? requestSubscribeId = json['subscribeId']?.toString();
+      if (requestSubscribeId != null && requestSubscribeId.isNotEmpty) {
+        // 查找 id 匹配的订阅项
+        try {
+          subscribeData = listData.firstWhere(
+            (item) => (item as Map<String, dynamic>)['id']?.toString() == requestSubscribeId,
+            orElse: () => listData[0] as Map<String, dynamic>
+          ) as Map<String, dynamic>;
+          KRLogUtil.kr_i('✅ 找到匹配的订阅项: id=$requestSubscribeId', tag: 'NodeList');
+        } catch (e) {
+          KRLogUtil.kr_w('⚠️ 未找到匹配的订阅项，使用第一个', tag: 'NodeList');
+          subscribeData = listData[0] as Map<String, dynamic>;
+        }
+      } else {
+        // 如果没有提供 subscribeId，使用第一个
+        subscribeData = listData[0] as Map<String, dynamic>;
+      }
+
       final bool isTryOut = subscribeData['is_try_out'] as bool? ?? false;
       final List<dynamic>? nodesData = subscribeData['nodes'] as List<dynamic>?;
 
-      KRLogUtil.kr_i('节点列表解析: is_try_out=$isTryOut, 节点数=${nodesData?.length ?? 0}', tag: 'NodeList');
+      KRLogUtil.kr_i('🔍 节点列表解析: subscribe_id=${subscribeData['id']}, is_try_out=$isTryOut, 节点数=${nodesData?.length ?? 0}', tag: 'NodeList');
+      KRLogUtil.kr_i('📊 所有订阅项数量: ${listData.length}', tag: 'NodeList');
 
       return KRNodeList(
         list: nodesData?.map((e) => KrNodeListItem.fromJson(e as Map<String, dynamic>)).toList() ?? [],