From dfc2df90c747ee2264297002f2c093437dacd1a6 Mon Sep 17 00:00:00 2001
From: wangjia <809946525@qq.com>
Date: Fri, 19 Jun 2026 07:33:08 +0800
Subject: [PATCH] =?UTF-8?q?fix(client):=20=E8=BF=9E=E6=8E=A5=E5=90=8E?=
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 =?UTF-8?q?=E9=80=80=E8=8A=82=E7=82=B9=20TCP=20=E6=8E=A2=E9=92=88(?=
 =?UTF-8?q?=E5=B0=BD=E9=87=8F=E4=B8=8D=E6=98=BE=E7=A4=BA=20=E2=80=94)?=
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连上后 urltest 头几分钟还没探过会显示 —;现回退用节点页的 TCP 探针 ping
(连接前测得、~真实 RTT),urltest 出值后再切换。stats 页已有同款回退。

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
---
 client/lib/screens/connect_page.dart | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/client/lib/screens/connect_page.dart b/client/lib/screens/connect_page.dart
index f8aa63f..be1b07a 100644
--- a/client/lib/screens/connect_page.dart
+++ b/client/lib/screens/connect_page.dart
@@ -35,9 +35,10 @@ class ConnectPage extends ConsumerWidget {
     final stats = ref.watch(vpnStatsProvider).valueOrNull;
     final down = _speed(stats?.downloadSpeed);
     final up = _speed(stats?.uploadSpeed);
-    // 延迟来源:连接后用内核 urltest 实测(代理真实 RTT,TCP 探针被隧道吞掉时仍准);
-    // 未连接时用节点 TCP 探针 ping。0/无 → 显示 —。
-    final livePing = conn.phase == VpnPhase.on ? _bestUrltest(stats) : node.ping;
+    // 延迟来源:连接后优先用内核 urltest 实测(代理真实 RTT);urltest 还没探过时
+    // 回退用节点页的 TCP 探针 ping,尽量不显示 —。都没有才 —。
+    var livePing = conn.phase == VpnPhase.on ? _bestUrltest(stats) : node.ping;
+    if (livePing <= 0) livePing = node.ping;
     final pingLabel = livePing > 0 ? '${livePing}ms' : '—';
     final latencyValue = livePing > 0 ? '$livePing' : '—';