diff --git a/Scripts/AutoBuild_DiyScript.sh b/Scripts/AutoBuild_DiyScript.sh
index 83f6fc5..c6c93b1 100644
--- a/Scripts/AutoBuild_DiyScript.sh
+++ b/Scripts/AutoBuild_DiyScript.sh
@@ -13,6 +13,7 @@ Diy_Core() {
 	INCLUDE_Passwall=false
 	INCLUDE_Latest_Xray=true
 	INCLUDE_mt7621_OC1000MHz=false
+	INCLUDE_Enable_FirewallPort_53=false
 }
 
 Diy-Part1() {
diff --git a/Scripts/AutoBuild_Function.sh b/Scripts/AutoBuild_Function.sh
index d2e25f1..4b02bdb 100644
--- a/Scripts/AutoBuild_Function.sh
+++ b/Scripts/AutoBuild_Function.sh
@@ -6,7 +6,7 @@
 GET_TARGET_INFO() {
 	[ -f ${GITHUB_WORKSPACE}/Openwrt.info ] && . ${GITHUB_WORKSPACE}/Openwrt.info
 	Default_File="package/lean/default-settings/files/zzz-default-settings"
-	[ -f ${Default_File} ] && Lede_Version="$(egrep -o "R[0-9]+\.[0-9]+\.[0-9]+" $Default_File)"
+	[ -f ${Default_File} ] && Lede_Version="$(egrep -o "R[0-9]+\.[0-9]+\.[0-9]+" ${Default_File})"
 	[[ -z ${Lede_Version} ]] && Lede_Version="Openwrt"
 	Openwrt_Version="${Lede_Version}-${Compile_Date}"
 	TARGET_PROFILE="$(egrep -o "CONFIG_TARGET.*DEVICE.*=y" .config | sed -r 's/.*DEVICE_(.*)=y/\1/')"
@@ -42,6 +42,9 @@ Diy_Part1_Base() {
 Diy_Part2_Base() {
 	Diy_Core
 	GET_TARGET_INFO
+	if [[ "${INCLUDE_Enable_FirewallPort_53}" == "true" ]];then
+		sed -i "s?iptables?#iptables?g" ${Default_File} > /dev/null 2>&1
+	fi
 	if [[ "${INCLUDE_AutoUpdate}" == "true" ]];then
 		ExtraPackages git lean luci-app-autoupdate https://github.com/Hyy2001X main
 		sed -i '/luci-app-autoupdate/d' .config > /dev/null 2>&1