diff --git a/package/jsda/smartdns/conf/custom.conf b/package/jsda/smartdns/conf/custom.conf
index 032b673b97..680bbedf3e 100644
--- a/package/jsda/smartdns/conf/custom.conf
+++ b/package/jsda/smartdns/conf/custom.conf
@@ -16,12 +16,6 @@
 server 202.141.178.13:5353
 server 202.38.93.153:5353
 server 202.141.162.123:5353
-server 118.24.208.197:9090
-server 114.115.240.175:9090
-server 47.101.136.37:9090
-server 119.29.107.85:9090
-server 150.109.74.164:9090
-server 107.155.79.120:9090
 server 8.8.8.8
 server 8.8.4.4
 server 1.1.1.1
@@ -30,7 +24,6 @@ server 9.9.9.9
 server 208.67.222.222:5353
 server 208.67.220.220:5353
 server 2001:da8::666
-server 2604:880:398:555::1:9090
 server 2001:4860:4860::8888
 server 2001:4860:4860::8844
 server 2606:4700:4700::1111
@@ -46,19 +39,6 @@ server-tcp 1.0.0.1
 server-tcp 2606:4700:4700::1111
 server-tcp 2606:4700:4700::1001
 
-server-tls 118.24.208.197 -host-name wdns.233py.com
-server-tls wdns.233py.com
-server-tls 114.115.240.175 -host-name ndns.233py.com
-server-tls ndns.233py.com
-server-tls 47.101.136.37 -host-name edns.233py.com
-server-tls edns.233py.com
-server-tls 119.29.107.85 -host-name sdns.233py.com
-server-tls sdns.233py.com
-server-tls 150.109.74.164 -host-name hk-dns.233py.com
-server-tls hk-dns.233py.com
-server-tls 107.155.79.120 -host-name us-dns.233py.com
-server-tls 2604:880:398:555::1 -host-name us-dns.233py.com
-server-tls us-dns.233py.com
 server-tls 8.8.8.8 -host-name dns.google
 server-tls 8.8.4.4 -host-name dns.google
 server-tls 2001:4860:4860::8888 -host-name dns.google
@@ -75,5 +55,5 @@ server-https https://202.38.93.153/resolve -host-name neatdns.ustclug.org -http-
 server-https https://neatdns.ustclug.org/resolve
 server-https https://9.9.9.9/dns-query -host-name dns9.quad9.net -http-host dns9.quad9.net
 server-https https://dns9.quad9.net/dns-query
+server-https https://1.1.1.1/dns-query
 server-https https://cloudflare-dns.com/dns-query
-