diff --git a/package/lean/luci-app-flowoffload/root/etc/config/flowoffload b/package/lean/luci-app-flowoffload/root/etc/config/flowoffload
index 1a4f0b4647..01e0bb0649 100644
--- a/package/lean/luci-app-flowoffload/root/etc/config/flowoffload
+++ b/package/lean/luci-app-flowoffload/root/etc/config/flowoffload
@@ -3,6 +3,7 @@ config flow
 	option flow_offloading '0'
 	option flow_offloading_hw '0'
 	option bbr '0'
+	option filter_aaaa '1'
 	option dns '0'
 	option dnscache_enable '1'
 	option dns_server '114.114.114.114,114.114.115.115,223.5.5.5,223.6.6.6,180.76.76.76,119.29.29.29,119.28.28.28,1.2.4.8,210.2.4.8'
diff --git a/package/lean/luci-app-flowoffload/root/etc/init.d/flowoffload b/package/lean/luci-app-flowoffload/root/etc/init.d/flowoffload
index 5f2d6ee772..69fef5d486 100755
--- a/package/lean/luci-app-flowoffload/root/etc/init.d/flowoffload
+++ b/package/lean/luci-app-flowoffload/root/etc/init.d/flowoffload
@@ -219,13 +219,6 @@ start_service(){
 	dns=$(uci get flowoffload.@flow[0].dns 2>/dev/null)
 	dnscache_enable=$(uci get flowoffload.@flow[0].dnscache_enable 2>/dev/null)
 	bbr=$(uci get flowoffload.@flow[0].bbr 2>/dev/null)
-	aaaa=$(uci get flowoffload.@flow[0].filter_aaaa 2>/dev/null)
-	if [ $aaaa -eq 1 ];  then
-		sed -i '/filter-aaaa/d' /etc/dnsmasq.conf
-		echo "filter-aaaa" >> /etc/dnsmasq.conf
-	else
-		sed -i '/filter-aaaa/d' /etc/dnsmasq.conf	
-	fi
 
 	if [ $dns -eq 1 ];  then
 		stop_dnscache
@@ -256,6 +249,10 @@ start_service(){
 	uci set firewall.@defaults[0].flow_offloading=$(uci get flowoffload.@flow[0].flow_offloading)
 	uci set firewall.@defaults[0].flow_offloading_hw=$(uci get flowoffload.@flow[0].flow_offloading_hw)
 	uci commit firewall
+
+	uci set dhcp.@dnsmasq[0].filter_aaaa=$(uci get flowoffload.@flow[0].filter_aaaa)
+	uci commit dhcp
+
 	if [ "$DNSMASQ_RESTART" = N ]; then
 		/etc/init.d/dnsmasq restart && echo "DNSMASQ change"
 		/etc/init.d/firewall restart