diff --git a/06.PVE制作DNS服务器.md b/06.PVE制作DNS服务器.md
index 5cfd2a4..1ff669b 100644
--- a/06.PVE制作DNS服务器.md
+++ b/06.PVE制作DNS服务器.md
@@ -341,16 +341,13 @@ bind-tcp [::]:6053@lo
 
 prefetch-domain yes
 
-serve-expired yes
-serve-expired-ttl 129600
-serve-expired-reply-ttl 30
-serve-expired-prefetch-time 28800
-
 rr-ttl-min 60
 rr-ttl-max 21600
+rr-ttl-reply-max 3600
 
 force-qtype-SOA 65
 max-query-limit 1024
+max-reply-ip-num 24
 
 server 172.16.1.1 -group intranet -exclude-default-group
 nameserver /fox.home.arpa/intranet
diff --git a/src/debian/debian_dns_smartdns.conf b/src/debian/debian_dns_smartdns.conf
index 00ce62b..90e79eb 100644
--- a/src/debian/debian_dns_smartdns.conf
+++ b/src/debian/debian_dns_smartdns.conf
@@ -24,16 +24,13 @@ bind-tcp [::]:6053@lo
 
 prefetch-domain yes
 
-serve-expired yes
-serve-expired-ttl 129600
-serve-expired-reply-ttl 30
-serve-expired-prefetch-time 28800
-
 rr-ttl-min 60
 rr-ttl-max 21600
+rr-ttl-reply-max 3600
 
 force-qtype-SOA 65
 max-query-limit 1024
+max-reply-ip-num 24
 
 server 172.16.1.1 -group intranet -exclude-default-group
 nameserver /fox.home.arpa/intranet