diff --git a/loon/loon.conf b/loon/loon.conf
index aaf527a..f4e4d86 100644
--- a/loon/loon.conf
+++ b/loon/loon.conf
@@ -8,9 +8,11 @@ ip-mode = dual
 ipv6-vif = off
 dns-server = 1.1.1.1,8.8.8.8
 doh-server = https://1.1.1.1/dns-query,https://8.8.8.8/dns-query
+doh3-server = https://1.1.1.1/dns-query,https://8.8.8.8/dns-query
 real-ip = *.iCloud.com,*.apple.com,*.crashlytics.com,msftconnecttest.com
 sni-sniffing = true
 disable-stun = true
+disable-udp-upgrade = true
 dns-reject-mode = LoopbackIP
 domain-reject-mode = DNS
 udp-fallback-mode = REJECT