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 512280a..947fb13 100644
--- a/05.PVE制作虚拟机模板.md
+++ b/05.PVE制作虚拟机模板.md
@@ -225,6 +225,7 @@ net.ipv4.tcp_challenge_ack_limit = 1000
 net.ipv4.tcp_fastopen = 3
 net.ipv4.tcp_fin_timeout = 30
 net.ipv4.tcp_keepalive_time = 120
+net.ipv4.tcp_max_syn_backlog = 8192
 net.ipv4.tcp_notsent_lowat = 131072
 net.ipv4.tcp_rmem = 4096 87380 26214400
 net.ipv4.tcp_wmem = 4096 16384 655360
diff --git a/07.PVE制作TS服务器.md b/07.PVE制作TS服务器.md
index 09066cf..0126f1e 100644
--- a/07.PVE制作TS服务器.md
+++ b/07.PVE制作TS服务器.md
@@ -243,6 +243,7 @@ net.ipv4.tcp_challenge_ack_limit = 1000
 net.ipv4.tcp_fastopen = 3
 net.ipv4.tcp_fin_timeout = 30
 net.ipv4.tcp_keepalive_time = 120
+net.ipv4.tcp_max_syn_backlog = 8192
 net.ipv4.tcp_notsent_lowat = 131072
 net.ipv4.tcp_rmem = 4096 87380 26214400
 net.ipv4.tcp_wmem = 4096 16384 655360
diff --git a/src/debian/debian_dns_99_sysctl.conf b/src/debian/debian_dns_99_sysctl.conf
index 1b551a2..1d864bb 100644
--- a/src/debian/debian_dns_99_sysctl.conf
+++ b/src/debian/debian_dns_99_sysctl.conf
@@ -22,6 +22,7 @@ net.ipv4.tcp_challenge_ack_limit = 1000
 net.ipv4.tcp_fastopen = 3
 net.ipv4.tcp_fin_timeout = 30
 net.ipv4.tcp_keepalive_time = 120
+net.ipv4.tcp_max_syn_backlog = 8192
 net.ipv4.tcp_notsent_lowat = 131072
 net.ipv4.tcp_rmem = 4096 87380 26214400
 net.ipv4.tcp_wmem = 4096 16384 655360
diff --git a/src/debian/debian_ts_99_sysctl.conf b/src/debian/debian_ts_99_sysctl.conf
index 5e8e985..8b5fcf5 100644
--- a/src/debian/debian_ts_99_sysctl.conf
+++ b/src/debian/debian_ts_99_sysctl.conf
@@ -49,6 +49,7 @@ net.ipv4.tcp_challenge_ack_limit = 1000
 net.ipv4.tcp_fastopen = 3
 net.ipv4.tcp_fin_timeout = 30
 net.ipv4.tcp_keepalive_time = 120
+net.ipv4.tcp_max_syn_backlog = 8192
 net.ipv4.tcp_notsent_lowat = 131072
 net.ipv4.tcp_rmem = 4096 87380 26214400
 net.ipv4.tcp_wmem = 4096 16384 655360