From ce3573838b1eff4bdd49042376f84275936bba93 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=96=E7=95=8C?= <i@sekai.icu>
Date: Sat, 20 Aug 2022 13:40:07 +0800
Subject: [PATCH] Wait a second before check route update

---
 monitor_shared.go | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/monitor_shared.go b/monitor_shared.go
index cede3a3..6980de5 100644
--- a/monitor_shared.go
+++ b/monitor_shared.go
@@ -7,6 +7,7 @@ import (
 	"sync"
 
 	"github.com/sagernet/sing/common/x/list"
+	"time"
 )
 
 func (m *networkUpdateMonitor) RegisterCallback(callback NetworkUpdateCallback) *list.Element[NetworkUpdateCallback] {
@@ -57,10 +58,15 @@ func (m *defaultInterfaceMonitor) Start() error {
 	if err != nil {
 		return err
 	}
-	m.element = m.networkMonitor.RegisterCallback(m.checkUpdate)
+	m.element = m.networkMonitor.RegisterCallback(m.delayCheckUpdate)
 	return nil
 }
 
+func (m *defaultInterfaceMonitor) delayCheckUpdate() error {
+	time.Sleep(time.Second)
+	return m.checkUpdate()
+}
+
 func (m *defaultInterfaceMonitor) Close() error {
 	m.networkMonitor.UnregisterCallback(m.element)
 	return nil