diff --git a/config/config.go b/config/config.go
index ae4b7ae..9c6674e 100644
--- a/config/config.go
+++ b/config/config.go
@@ -18,7 +18,7 @@ type Global struct {
 	LogLevel   string `mapstructure:"log_level" default:"info"`
 	// We use DirectTcpCheckUrl to check (tcp)*(ipv4/ipv6) connectivity for direct.
 	//DirectTcpCheckUrl string `mapstructure:"direct_tcp_check_url" default:"http://www.qualcomm.cn/generate_204"`
-	TcpCheckUrl    string            `mapstructure:"tcp_check_url" default:"http://cp.cloudflare.com"`
+	TcpCheckUrl    string            `mapstructure:"tcp_check_url" default:"http://captive.apple.com"`
 	UdpCheckDns    string            `mapstructure:"udp_check_dns" default:"dns.google:53"`
 	CheckInterval  time.Duration     `mapstructure:"check_interval" default:"30s"`
 	CheckTolerance time.Duration     `mapstructure:"check_tolerance" default:"0"`
diff --git a/example.dae b/example.dae
index ff67cb8..ef95e8e 100644
--- a/example.dae
+++ b/example.dae
@@ -8,7 +8,8 @@ global {
 
     # Node connectivity check.
     # Host of URL should have both IPv4 and IPv6 if you have double stack in local.
-    tcp_check_url: 'http://cp.cloudflare.com'
+    # Considering traffic consumption, it is recommended to choose a site with less response.
+    tcp_check_url: 'http://captive.apple.com'
 
     # This DNS will be used to check UDP connectivity of nodes. And if dns_upstream below contains tcp, it also be used to check
     # TCP DNS connectivity of nodes.
diff --git a/go.mod b/go.mod
index 6c67987..9860224 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@ require (
 	github.com/gorilla/websocket v1.5.0
 	github.com/json-iterator/go v1.1.12
 	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826
-	github.com/mzz2017/softwind v0.0.0-20230212090240-561c250bc5c4
+	github.com/mzz2017/softwind v0.0.0-20230213075606-e58b03d6ac4b
 	github.com/safchain/ethtool v0.0.0-20230116090318-67cc41908669
 	github.com/sirupsen/logrus v1.9.0
 	github.com/spf13/cobra v1.6.1
diff --git a/go.sum b/go.sum
index 03fa89e..237cc68 100644
--- a/go.sum
+++ b/go.sum
@@ -69,8 +69,8 @@ github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 h1:RWengNIwukTxcDr9
 github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826/go.mod h1:TaXosZuwdSHYgviHp1DAtfrULt5eUgsSMsZf+YrPgl8=
 github.com/mzz2017/disk-bloom v1.0.1 h1:rEF9MiXd9qMW3ibRpqcerLXULoTgRlM21yqqJl1B90M=
 github.com/mzz2017/disk-bloom v1.0.1/go.mod h1:JLHETtUu44Z6iBmsqzkOtFlRvXSlKnxjwiBRDapizDI=
-github.com/mzz2017/softwind v0.0.0-20230212090240-561c250bc5c4 h1:f7nqFcMs8LaM/eLRHGeuMk/urv/U+AMNKjFylwowlwU=
-github.com/mzz2017/softwind v0.0.0-20230212090240-561c250bc5c4/go.mod h1:K1nXwtBokwEsfOfdT/5zV6R8QabGkyhcR0iuTrRZcYY=
+github.com/mzz2017/softwind v0.0.0-20230213075606-e58b03d6ac4b h1:Hwx9RlLBGWWzr8M3zIoL5bnrhPiT3mHDkawkuCb1E7Q=
+github.com/mzz2017/softwind v0.0.0-20230213075606-e58b03d6ac4b/go.mod h1:K1nXwtBokwEsfOfdT/5zV6R8QabGkyhcR0iuTrRZcYY=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
 github.com/nxadm/tail v1.4.8 h1:nPr65rt6Y5JFSKQO7qToXr7pePgD6Gwiw05lkbyAQTE=