diff --git a/06.PVE制作DNS服务器.md b/06.PVE制作DNS服务器.md
index 1ff669b..fca7104 100644
--- a/06.PVE制作DNS服务器.md
+++ b/06.PVE制作DNS服务器.md
@@ -436,7 +436,8 @@ conf-file=/etc/dnsmasq.conf
 log-facility=/var/log/dnsmasq.log
 log-async=20
 
-cache-size=0
+cache-size=2048
+max-cache-ttl=10800
 fast-dns-retry=1800
 rebind-domain-ok=/fox.home.arpa/
 
diff --git a/07.PVE制作TS服务器.md b/07.PVE制作TS服务器.md
index 515fa22..38b4b90 100644
--- a/07.PVE制作TS服务器.md
+++ b/07.PVE制作TS服务器.md
@@ -513,7 +513,8 @@ conf-file=/etc/dnsmasq.conf
 log-facility=/var/log/dnsmasq.log
 log-async=20
 
-cache-size=0
+cache-size=2048
+max-cache-ttl=10800
 fast-dns-retry=1800
 rebind-domain-ok=/fox.home.arpa/
 
diff --git a/src/debian/debian_dns_dnsmasq.conf b/src/debian/debian_dns_dnsmasq.conf
index 0495a63..e239802 100644
--- a/src/debian/debian_dns_dnsmasq.conf
+++ b/src/debian/debian_dns_dnsmasq.conf
@@ -9,7 +9,8 @@ conf-file=/etc/dnsmasq.conf
 log-facility=/var/log/dnsmasq.log
 log-async=20
 
-cache-size=0
+cache-size=2048
+max-cache-ttl=10800
 fast-dns-retry=1800
 rebind-domain-ok=/fox.home.arpa/
 
diff --git a/src/debian/debian_ts_dnsmasq.conf b/src/debian/debian_ts_dnsmasq.conf
index 3a14172..8240e45 100644
--- a/src/debian/debian_ts_dnsmasq.conf
+++ b/src/debian/debian_ts_dnsmasq.conf
@@ -9,7 +9,8 @@ conf-file=/etc/dnsmasq.conf
 log-facility=/var/log/dnsmasq.log
 log-async=20
 
-cache-size=0
+cache-size=2048
+max-cache-ttl=10800
 fast-dns-retry=1800
 rebind-domain-ok=/fox.home.arpa/