diff --git a/06.PVE用模板克隆虚拟机.md b/06.PVE用模板克隆虚拟机.md
index 8b7df91..58a4c72 100644
--- a/06.PVE用模板克隆虚拟机.md
+++ b/06.PVE用模板克隆虚拟机.md
@@ -254,13 +254,23 @@ $ sudo nvim /etc/smartdns/smartdns.conf
 
 - 检查配置文件中关于本地域名及其上游 DNS 服务器相关配置，请根据实际情况进行调整。  
 
-- 若仅需 `DoT` / `DoH` 作为上游 DNS 服务器，可移除 `server-tcp` 相关配置项。  
-
 ```bash
 # This configuration file is customized by fox,
 # Optimize SmartDNS parameters for local DNS server.
+#
+# For use common DNS server as upstream DNS server,
+# please modify 'server' parameter according to
+# your network environment.
+#
+# eg:
+#       server 119.29.29.29
+#       server 223.5.5.5
+#       server 114.114.114.114
+#       server 2402:4e00::
+#       server 2400:3200::1
 
 conf-file /etc/smartdns/anti-ad-smartdns.conf
+cache-file /tmp/smartdns.cache
 
 bind [::]:53
 bind-tcp [::]:53
@@ -277,13 +287,13 @@ force-qtype-SOA 65
 
 log-level notice
 
-server 119.29.29.29 -group dnspod -exclude-default-group
-server 2402:4e00:: -group dnspod -exclude-default-group
+server-tcp 119.29.29.29 -group dnspod -exclude-default-group
+server-tcp 2402:4e00:: -group dnspod -exclude-default-group
 nameserver /doh.pub/dnspod
 nameserver /dot.pub/dnspod
 
-server 223.5.5.5 -group alidns -exclude-default-group
-server 2400:3200::1 -group alidns -exclude-default-group
+server-tcp 223.5.5.5 -group alidns -exclude-default-group
+server-tcp 2400:3200::1 -group alidns -exclude-default-group
 nameserver /dns.alidns.com/alidns
 
 server 172.16.1.1 -group intranet -exclude-default-group
@@ -291,18 +301,8 @@ server fdac::1 -group intranet -exclude-default-group
 nameserver /fox.local/intranet
 domain-rules /fox.local/ -speed-check-mode none -no-cache
 
-server-tcp 119.29.29.29
-server-tcp 223.5.5.5
-server-tcp 114.114.114.114
-
-server-tcp 2402:4e00::
-server-tcp 2400:3200::1
-server-tcp 2400:3200:baba::1
-
-server-tls 1.12.12.12 -spki-pin 5TIMjgyMhA0qmPdK+AM9LX6vNI/9EPBydh/ZXdfcYmI= -host-name dot.pub
-server-tls 120.53.53.53 -spki-pin 5TIMjgyMhA0qmPdK+AM9LX6vNI/9EPBydh/ZXdfcYmI= -host-name dot.pub
-server-tls 223.5.5.5 -spki-pin ZwR21gnCMTzsM6VWtnb/azufgYegWWuhE9reP5tamWU= -host-name dns.alidns.com
-server-tls 223.6.6.6 -spki-pin ZwR21gnCMTzsM6VWtnb/azufgYegWWuhE9reP5tamWU= -host-name dns.alidns.com
+server-tls dot.pub
+server-tls dns.alidns.com
 
 server-https https://doh.pub/dns-query
 server-https https://dns.alidns.com/dns-query
diff --git a/src/debian_smartdns.conf b/src/debian_smartdns.conf
index c76d4a6..32d31d8 100644
--- a/src/debian_smartdns.conf
+++ b/src/debian_smartdns.conf
@@ -1,7 +1,19 @@
 # This configuration file is customized by fox,
 # Optimize SmartDNS parameters for local DNS server.
+#
+# For use common DNS server as upstream DNS server,
+# please modify 'server' parameter according to
+# your network environment.
+#
+# eg:
+#       server 119.29.29.29
+#       server 223.5.5.5
+#       server 114.114.114.114
+#       server 2402:4e00::
+#       server 2400:3200::1
 
 conf-file /etc/smartdns/anti-ad-smartdns.conf
+cache-file /tmp/smartdns.cache
 
 bind [::]:53
 bind-tcp [::]:53
@@ -18,13 +30,13 @@ force-qtype-SOA 65
 
 log-level notice
 
-server 119.29.29.29 -group dnspod -exclude-default-group
-server 2402:4e00:: -group dnspod -exclude-default-group
+server-tcp 119.29.29.29 -group dnspod -exclude-default-group
+server-tcp 2402:4e00:: -group dnspod -exclude-default-group
 nameserver /doh.pub/dnspod
 nameserver /dot.pub/dnspod
 
-server 223.5.5.5 -group alidns -exclude-default-group
-server 2400:3200::1 -group alidns -exclude-default-group
+server-tcp 223.5.5.5 -group alidns -exclude-default-group
+server-tcp 2400:3200::1 -group alidns -exclude-default-group
 nameserver /dns.alidns.com/alidns
 
 server 172.16.1.1 -group intranet -exclude-default-group
@@ -32,18 +44,8 @@ server fdac::1 -group intranet -exclude-default-group
 nameserver /fox.local/intranet
 domain-rules /fox.local/ -speed-check-mode none -no-cache
 
-server-tcp 119.29.29.29
-server-tcp 223.5.5.5
-server-tcp 114.114.114.114
-
-server-tcp 2402:4e00::
-server-tcp 2400:3200::1
-server-tcp 2400:3200:baba::1
-
-server-tls 1.12.12.12 -spki-pin 5TIMjgyMhA0qmPdK+AM9LX6vNI/9EPBydh/ZXdfcYmI= -host-name dot.pub
-server-tls 120.53.53.53 -spki-pin 5TIMjgyMhA0qmPdK+AM9LX6vNI/9EPBydh/ZXdfcYmI= -host-name dot.pub
-server-tls 223.5.5.5 -spki-pin ZwR21gnCMTzsM6VWtnb/azufgYegWWuhE9reP5tamWU= -host-name dns.alidns.com
-server-tls 223.6.6.6 -spki-pin ZwR21gnCMTzsM6VWtnb/azufgYegWWuhE9reP5tamWU= -host-name dns.alidns.com
+server-tls dot.pub
+server-tls dns.alidns.com
 
 server-https https://doh.pub/dns-query
 server-https https://dns.alidns.com/dns-query