diff --git a/06.PVE制作DNS服务器.md b/06.PVE制作DNS服务器.md
index 009c167..24e7bcc 100644
--- a/06.PVE制作DNS服务器.md
+++ b/06.PVE制作DNS服务器.md
@@ -333,15 +333,17 @@ conf-file /etc/smartdns.d/bogus-nxdomain.china.smartdns.conf
 cache-file /tmp/smartdns.cache
 
 log-level notice
+max-query-limit 512
+restart-on-crash yes
 
 bind [::]:6053@lo
 bind-tcp [::]:6053@lo
 
 serve-expired yes
-serve-expired-ttl 57600
+serve-expired-ttl 64800
 serve-expired-reply-ttl 3
 prefetch-domain yes
-serve-expired-prefetch-time 28800
+serve-expired-prefetch-time 21600
 
 force-qtype-SOA 65
 
diff --git a/src/debian/debian_dns_dnsmasq_smartdns.conf b/src/debian/debian_dns_dnsmasq_smartdns.conf
index 0100cd4..731941e 100644
--- a/src/debian/debian_dns_dnsmasq_smartdns.conf
+++ b/src/debian/debian_dns_dnsmasq_smartdns.conf
@@ -23,15 +23,17 @@ conf-file /etc/smartdns.d/bogus-nxdomain.china.smartdns.conf
 cache-file /tmp/smartdns.cache
 
 log-level notice
+max-query-limit 512
+restart-on-crash yes
 
 bind [::]:6053@lo
 bind-tcp [::]:6053@lo
 
 serve-expired yes
-serve-expired-ttl 57600
+serve-expired-ttl 64800
 serve-expired-reply-ttl 3
 prefetch-domain yes
-serve-expired-prefetch-time 28800
+serve-expired-prefetch-time 21600
 
 force-qtype-SOA 65