diff --git a/05.PVE制作虚拟机模板.md b/05.PVE制作虚拟机模板.md
index e700c10..64627f5 100644
--- a/05.PVE制作虚拟机模板.md
+++ b/05.PVE制作虚拟机模板.md
@@ -202,6 +202,7 @@ net.ipv4.igmp_max_memberships = 256
 net.ipv4.tcp_challenge_ack_limit = 1000
 net.ipv4.tcp_fin_timeout = 30
 net.ipv4.tcp_keepalive_time = 120
+net.ipv4.tcp_mtu_probing = 1
 net.ipv4.tcp_syncookies = 1
 
 net.ipv6.conf.all.use_tempaddr = 0
diff --git a/07.PVE制作TS服务器.md b/07.PVE制作TS服务器.md
index f0e787d..ff0186c 100644
--- a/07.PVE制作TS服务器.md
+++ b/07.PVE制作TS服务器.md
@@ -218,6 +218,7 @@ net.ipv4.route.redirect_silence = 2048
 net.ipv4.tcp_challenge_ack_limit = 1000
 net.ipv4.tcp_fin_timeout = 30
 net.ipv4.tcp_keepalive_time = 120
+net.ipv4.tcp_mtu_probing = 1
 net.ipv4.tcp_syncookies = 1
 
 net.ipv6.conf.all.accept_ra = 0
diff --git a/src/debian/debian_dns_99_sysctl.conf b/src/debian/debian_dns_99_sysctl.conf
index cf3f425..575d089 100644
--- a/src/debian/debian_dns_99_sysctl.conf
+++ b/src/debian/debian_dns_99_sysctl.conf
@@ -19,6 +19,7 @@ net.ipv4.igmp_max_memberships = 256
 net.ipv4.tcp_challenge_ack_limit = 1000
 net.ipv4.tcp_fin_timeout = 30
 net.ipv4.tcp_keepalive_time = 120
+net.ipv4.tcp_mtu_probing = 1
 net.ipv4.tcp_syncookies = 1
 
 net.ipv6.conf.all.use_tempaddr = 0
diff --git a/src/debian/debian_ts_99_sysctl.conf b/src/debian/debian_ts_99_sysctl.conf
index 5fc0970..1caae61 100644
--- a/src/debian/debian_ts_99_sysctl.conf
+++ b/src/debian/debian_ts_99_sysctl.conf
@@ -44,6 +44,7 @@ net.ipv4.route.redirect_silence = 2048
 net.ipv4.tcp_challenge_ack_limit = 1000
 net.ipv4.tcp_fin_timeout = 30
 net.ipv4.tcp_keepalive_time = 120
+net.ipv4.tcp_mtu_probing = 1
 net.ipv4.tcp_syncookies = 1
 
 net.ipv6.conf.all.accept_ra = 0