diff --git a/lib/core/utils/util_search_nasIp.dart b/lib/core/utils/util_search_nasIp.dart
index adf2e2b..14770d1 100644
--- a/lib/core/utils/util_search_nasIp.dart
+++ b/lib/core/utils/util_search_nasIp.dart
@@ -20,6 +20,7 @@ class UtilSearchNasIp {
       return nasIp;
     }
 
+    final startedAt = DateTime.now();
     final preUrl = await _resolvePreUrl();
     final dio = Dio(
       BaseOptions(
@@ -39,8 +40,13 @@ class UtilSearchNasIp {
             cancelToken: cancelToken,
             preUrl: preUrl,
             host: host,
+            startedAt: startedAt,
           ),
       ]);
+      if (nasIp == null) {
+        final elapsedMs = DateTime.now().difference(startedAt).inMilliseconds;
+        debugPrint('NAS 探测未命中，总耗时: ${elapsedMs}ms');
+      }
       return nasIp;
     } finally {
       dio.close(force: true);
@@ -66,30 +72,37 @@ class UtilSearchNasIp {
     required CancelToken cancelToken,
     required String preUrl,
     required int host,
+    required DateTime startedAt,
   }) async {
     if (cancelToken.isCancelled || nasIp != null) return;
 
     final target = '$preUrl$host$_probePath';
     try {
       await dio.get<dynamic>(target, cancelToken: cancelToken);
-      _onHit(preUrl, host, cancelToken);
+      _onHit(preUrl, host, cancelToken, startedAt);
     } on DioException catch (error) {
       if (error.type == DioExceptionType.cancel) return;
       // 带 response 的 DioException 也表示已连通
       if (error.response != null) {
-        _onHit(preUrl, host, cancelToken);
+        _onHit(preUrl, host, cancelToken, startedAt);
       }
     } catch (_) {
       // 超时 / 连接失败：未命中
     }
   }
 
-  /// 记录命中：写 [nasIp]、打印并取消其余请求。
-  static void _onHit(String preUrl, int host, CancelToken cancelToken) {
+  /// 记录命中：写 [nasIp]、打印 IP 与总耗时，并取消其余请求。
+  static void _onHit(
+    String preUrl,
+    int host,
+    CancelToken cancelToken,
+    DateTime startedAt,
+  ) {
     if (nasIp != null) return;
     final ip = '${_hostPrefix(preUrl)}$host';
     nasIp = ip;
-    debugPrint('NAS IP: $ip');
+    final elapsedMs = DateTime.now().difference(startedAt).inMilliseconds;
+    debugPrint('NAS IP: $ip，探测总耗时: ${elapsedMs}ms');
     if (!cancelToken.isCancelled) {
       cancelToken.cancel('nas-found');
     }
@@ -108,15 +121,15 @@ class UtilSearchNasIp {
 // 1) Auth 页静默探测（不阻塞登录）：
 //
 //   import 'dart:async';
-//   import 'package:recording_tool/core/utils/util_getNasIp.dart';
+//   import 'package:recording_tool/core/utils/util_search_nasIp.dart';
 //
 //   WidgetsBinding.instance.addPostFrameCallback((_) {
-//     unawaited(UtilGetNasIp.discover());
+//     unawaited(UtilSearchNasIp.discover());
 //   });
 //
 // 2) 业务侧读取已命中 IP：
 //
-//   final ip = UtilGetNasIp.nasIp;
+//   final ip = UtilSearchNasIp.nasIp;
 //   if (ip != null) {
 //     final base = 'http://$ip:5666';
 //     // 使用 base 访问 NAS...
@@ -124,6 +137,6 @@ class UtilSearchNasIp {
 //
 // 3) 主动等待探测结果（少用，会阻塞当前异步流程）：
 //
-//   final ip = await UtilGetNasIp.discover();
+//   final ip = await UtilSearchNasIp.discover();
 //   debugPrint('result: $ip');
 //