diff --git a/extras/quickstart.sh b/extras/quickstart.sh
index e9d6092..2407940 100755
--- a/extras/quickstart.sh
+++ b/extras/quickstart.sh
@@ -253,7 +253,8 @@ install_pkgs() {
 }
 
 get_setup_url() {
-  base_url="https://github.com/hwdsl2/setup-ipsec-vpn/raw/master"
+  base_url1="https://github.com/hwdsl2/setup-ipsec-vpn/raw/master"
+  base_url2="https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master"
   sh_file="vpnsetup_ubuntu.sh"
   if [ "$os_type" = "centos" ] || [ "$os_type" = "rhel" ] || [ "$os_type" = "rocky" ] \
     || [ "$os_type" = "alma" ] || [ "$os_type" = "ol" ]; then
@@ -263,14 +264,16 @@ get_setup_url() {
   elif [ "$os_type" = "alpine" ]; then
     sh_file="vpnsetup_alpine.sh"
   fi
-  setup_url="$base_url/$sh_file"
+  setup_url1="$base_url1/$sh_file"
+  setup_url2="$base_url2/$sh_file"
 }
 
 run_setup() {
   status=0
   if tmpdir=$(mktemp --tmpdir -d vpn.XXXXX 2>/dev/null); then
-    if ( set -x; wget -t 3 -T 30 -q -O "$tmpdir/vpn.sh" "$setup_url" \
-      || curl -fsL "$setup_url" -o "$tmpdir/vpn.sh" 2>/dev/null ); then
+    if ( set -x; wget -t 3 -T 30 -q -O "$tmpdir/vpn.sh" "$setup_url1" \
+      || wget -t 3 -T 30 -q -O "$tmpdir/vpn.sh" "$setup_url2" \
+      || curl -fsL "$setup_url1" -o "$tmpdir/vpn.sh" 2>/dev/null ); then
       VPN_IPSEC_PSK="$VPN_IPSEC_PSK" VPN_USER="$VPN_USER" VPN_PASSWORD="$VPN_PASSWORD" \
       VPN_PUBLIC_IP="$VPN_PUBLIC_IP" VPN_L2TP_NET="$VPN_L2TP_NET" \
       VPN_L2TP_LOCAL="$VPN_L2TP_LOCAL" VPN_L2TP_POOL="$VPN_L2TP_POOL" \
diff --git a/extras/vpnupgrade.sh b/extras/vpnupgrade.sh
index 8ce5589..d2e39c9 100755
--- a/extras/vpnupgrade.sh
+++ b/extras/vpnupgrade.sh
@@ -134,7 +134,8 @@ install_pkgs() {
 }
 
 get_setup_url() {
-  base_url="https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/extras"
+  base_url1="https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/extras"
+  base_url2="https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras"
   sh_file="vpnupgrade_ubuntu.sh"
   if [ "$os_type" = "centos" ] || [ "$os_type" = "rhel" ] || [ "$os_type" = "rocky" ] \
     || [ "$os_type" = "alma" ] || [ "$os_type" = "ol" ]; then
@@ -144,14 +145,16 @@ get_setup_url() {
   elif [ "$os_type" = "alpine" ]; then
     sh_file="vpnupgrade_alpine.sh"
   fi
-  setup_url="$base_url/$sh_file"
+  setup_url1="$base_url1/$sh_file"
+  setup_url2="$base_url2/$sh_file"
 }
 
 run_setup() {
   status=0
   if tmpdir=$(mktemp --tmpdir -d vpn.XXXXX 2>/dev/null); then
-    if ( set -x; wget -t 3 -T 30 -q -O "$tmpdir/vpnup.sh" "$setup_url" \
-      || curl -fsL "$setup_url" -o "$tmpdir/vpnup.sh" 2>/dev/null ); then
+    if ( set -x; wget -t 3 -T 30 -q -O "$tmpdir/vpnup.sh" "$setup_url1" \
+      || wget -t 3 -T 30 -q -O "$tmpdir/vpnup.sh" "$setup_url2" \
+      || curl -fsL "$setup_url1" -o "$tmpdir/vpnup.sh" 2>/dev/null ); then
       VPN_UPDATE_SWAN_VER="$SWAN_VER" /bin/bash "$tmpdir/vpnup.sh" || status=1
     else
       status=1
diff --git a/vpnsetup.sh b/vpnsetup.sh
index 04da4f7..5f3d165 100755
--- a/vpnsetup.sh
+++ b/vpnsetup.sh
@@ -253,7 +253,8 @@ install_pkgs() {
 }
 
 get_setup_url() {
-  base_url="https://github.com/hwdsl2/setup-ipsec-vpn/raw/master"
+  base_url1="https://github.com/hwdsl2/setup-ipsec-vpn/raw/master"
+  base_url2="https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master"
   sh_file="vpnsetup_ubuntu.sh"
   if [ "$os_type" = "centos" ] || [ "$os_type" = "rhel" ] || [ "$os_type" = "rocky" ] \
     || [ "$os_type" = "alma" ] || [ "$os_type" = "ol" ]; then
@@ -263,14 +264,16 @@ get_setup_url() {
   elif [ "$os_type" = "alpine" ]; then
     sh_file="vpnsetup_alpine.sh"
   fi
-  setup_url="$base_url/$sh_file"
+  setup_url1="$base_url1/$sh_file"
+  setup_url2="$base_url2/$sh_file"
 }
 
 run_setup() {
   status=0
   if tmpdir=$(mktemp --tmpdir -d vpn.XXXXX 2>/dev/null); then
-    if ( set -x; wget -t 3 -T 30 -q -O "$tmpdir/vpn.sh" "$setup_url" \
-      || curl -fsL "$setup_url" -o "$tmpdir/vpn.sh" 2>/dev/null ); then
+    if ( set -x; wget -t 3 -T 30 -q -O "$tmpdir/vpn.sh" "$setup_url1" \
+      || wget -t 3 -T 30 -q -O "$tmpdir/vpn.sh" "$setup_url2" \
+      || curl -fsL "$setup_url1" -o "$tmpdir/vpn.sh" 2>/dev/null ); then
       VPN_IPSEC_PSK="$VPN_IPSEC_PSK" VPN_USER="$VPN_USER" VPN_PASSWORD="$VPN_PASSWORD" \
       VPN_PUBLIC_IP="$VPN_PUBLIC_IP" VPN_L2TP_NET="$VPN_L2TP_NET" \
       VPN_L2TP_LOCAL="$VPN_L2TP_LOCAL" VPN_L2TP_POOL="$VPN_L2TP_POOL" \
diff --git a/vpnsetup_alpine.sh b/vpnsetup_alpine.sh
index 1f710c1..ee0068c 100755
--- a/vpnsetup_alpine.sh
+++ b/vpnsetup_alpine.sh
@@ -193,18 +193,23 @@ install_fail2ban() {
 
 get_helper_scripts() {
   bigecho "Downloading helper scripts..."
-  base_url="https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/extras"
-  ikev2_url="$base_url/ikev2setup.sh"
-  add_url="$base_url/add_vpn_user.sh"
-  del_url="$base_url/del_vpn_user.sh"
+  base_url1="https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/extras"
+  base_url2="https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras"
+  ikev2_url1="$base_url1/ikev2setup.sh"
+  ikev2_url2="$base_url2/ikev2setup.sh"
+  add_url1="$base_url1/add_vpn_user.sh"
+  add_url2="$base_url2/add_vpn_user.sh"
+  del_url1="$base_url1/del_vpn_user.sh"
+  del_url2="$base_url2/del_vpn_user.sh"
   cd /opt/src || exit 1
   printf '%s' "+ "
   for sc in ikev2.sh addvpnuser.sh delvpnuser.sh; do
-    [ "$sc" = "ikev2.sh" ] && dl_url="$ikev2_url"
-    [ "$sc" = "addvpnuser.sh" ] && dl_url="$add_url"
-    [ "$sc" = "delvpnuser.sh" ] && dl_url="$del_url"
+    [ "$sc" = "ikev2.sh" ] && dl_url1="$ikev2_url1" && dl_url2="$ikev2_url2"
+    [ "$sc" = "addvpnuser.sh" ] && dl_url1="$add_url1" && dl_url2="$add_url2"
+    [ "$sc" = "delvpnuser.sh" ] && dl_url1="$del_url1" && dl_url2="$del_url2"
     printf '%s' "$sc "
-    wget -t 3 -T 30 -q -O "$sc" "$dl_url" || /bin/rm -f "$sc"
+    wget -t 3 -T 30 -q -O "$sc" "$dl_url1" \
+    || wget -t 3 -T 30 -q -O "$sc" "$dl_url2" || /bin/rm -f "$sc"
     [ -s "$sc" ] && chmod +x "$sc" && ln -s "/opt/src/$sc" /usr/bin 2>/dev/null
   done
   echo
diff --git a/vpnsetup_amzn.sh b/vpnsetup_amzn.sh
index b2fe6e7..cc01774 100755
--- a/vpnsetup_amzn.sh
+++ b/vpnsetup_amzn.sh
@@ -193,18 +193,23 @@ install_fail2ban() {
 
 get_helper_scripts() {
   bigecho "Downloading helper scripts..."
-  base_url="https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/extras"
-  ikev2_url="$base_url/ikev2setup.sh"
-  add_url="$base_url/add_vpn_user.sh"
-  del_url="$base_url/del_vpn_user.sh"
+  base_url1="https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/extras"
+  base_url2="https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras"
+  ikev2_url1="$base_url1/ikev2setup.sh"
+  ikev2_url2="$base_url2/ikev2setup.sh"
+  add_url1="$base_url1/add_vpn_user.sh"
+  add_url2="$base_url2/add_vpn_user.sh"
+  del_url1="$base_url1/del_vpn_user.sh"
+  del_url2="$base_url2/del_vpn_user.sh"
   cd /opt/src || exit 1
   printf '%s' "+ "
   for sc in ikev2.sh addvpnuser.sh delvpnuser.sh; do
-    [ "$sc" = "ikev2.sh" ] && dl_url="$ikev2_url"
-    [ "$sc" = "addvpnuser.sh" ] && dl_url="$add_url"
-    [ "$sc" = "delvpnuser.sh" ] && dl_url="$del_url"
+    [ "$sc" = "ikev2.sh" ] && dl_url1="$ikev2_url1" && dl_url2="$ikev2_url2"
+    [ "$sc" = "addvpnuser.sh" ] && dl_url1="$add_url1" && dl_url2="$add_url2"
+    [ "$sc" = "delvpnuser.sh" ] && dl_url1="$del_url1" && dl_url2="$del_url2"
     printf '%s' "$sc "
-    wget -t 3 -T 30 -q -O "$sc" "$dl_url" || /bin/rm -f "$sc"
+    wget -t 3 -T 30 -q -O "$sc" "$dl_url1" \
+    || wget -t 3 -T 30 -q -O "$sc" "$dl_url2" || /bin/rm -f "$sc"
     [ -s "$sc" ] && chmod +x "$sc" && ln -s "/opt/src/$sc" /usr/bin 2>/dev/null
   done
   echo
diff --git a/vpnsetup_centos.sh b/vpnsetup_centos.sh
index dec0b46..787fb11 100755
--- a/vpnsetup_centos.sh
+++ b/vpnsetup_centos.sh
@@ -264,18 +264,23 @@ install_fail2ban() {
 
 get_helper_scripts() {
   bigecho "Downloading helper scripts..."
-  base_url="https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/extras"
-  ikev2_url="$base_url/ikev2setup.sh"
-  add_url="$base_url/add_vpn_user.sh"
-  del_url="$base_url/del_vpn_user.sh"
+  base_url1="https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/extras"
+  base_url2="https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras"
+  ikev2_url1="$base_url1/ikev2setup.sh"
+  ikev2_url2="$base_url2/ikev2setup.sh"
+  add_url1="$base_url1/add_vpn_user.sh"
+  add_url2="$base_url2/add_vpn_user.sh"
+  del_url1="$base_url1/del_vpn_user.sh"
+  del_url2="$base_url2/del_vpn_user.sh"
   cd /opt/src || exit 1
   printf '%s' "+ "
   for sc in ikev2.sh addvpnuser.sh delvpnuser.sh; do
-    [ "$sc" = "ikev2.sh" ] && dl_url="$ikev2_url"
-    [ "$sc" = "addvpnuser.sh" ] && dl_url="$add_url"
-    [ "$sc" = "delvpnuser.sh" ] && dl_url="$del_url"
+    [ "$sc" = "ikev2.sh" ] && dl_url1="$ikev2_url1" && dl_url2="$ikev2_url2"
+    [ "$sc" = "addvpnuser.sh" ] && dl_url1="$add_url1" && dl_url2="$add_url2"
+    [ "$sc" = "delvpnuser.sh" ] && dl_url1="$del_url1" && dl_url2="$del_url2"
     printf '%s' "$sc "
-    wget -t 3 -T 30 -q -O "$sc" "$dl_url" || /bin/rm -f "$sc"
+    wget -t 3 -T 30 -q -O "$sc" "$dl_url1" \
+    || wget -t 3 -T 30 -q -O "$sc" "$dl_url2" || /bin/rm -f "$sc"
     [ -s "$sc" ] && chmod +x "$sc" && ln -s "/opt/src/$sc" /usr/bin 2>/dev/null
   done
   echo
diff --git a/vpnsetup_ubuntu.sh b/vpnsetup_ubuntu.sh
index 726b80e..fd73cd4 100755
--- a/vpnsetup_ubuntu.sh
+++ b/vpnsetup_ubuntu.sh
@@ -233,18 +233,23 @@ install_fail2ban() {
 
 get_helper_scripts() {
   bigecho "Downloading helper scripts..."
-  base_url="https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/extras"
-  ikev2_url="$base_url/ikev2setup.sh"
-  add_url="$base_url/add_vpn_user.sh"
-  del_url="$base_url/del_vpn_user.sh"
+  base_url1="https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/extras"
+  base_url2="https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras"
+  ikev2_url1="$base_url1/ikev2setup.sh"
+  ikev2_url2="$base_url2/ikev2setup.sh"
+  add_url1="$base_url1/add_vpn_user.sh"
+  add_url2="$base_url2/add_vpn_user.sh"
+  del_url1="$base_url1/del_vpn_user.sh"
+  del_url2="$base_url2/del_vpn_user.sh"
   cd /opt/src || exit 1
   printf '%s' "+ "
   for sc in ikev2.sh addvpnuser.sh delvpnuser.sh; do
-    [ "$sc" = "ikev2.sh" ] && dl_url="$ikev2_url"
-    [ "$sc" = "addvpnuser.sh" ] && dl_url="$add_url"
-    [ "$sc" = "delvpnuser.sh" ] && dl_url="$del_url"
+    [ "$sc" = "ikev2.sh" ] && dl_url1="$ikev2_url1" && dl_url2="$ikev2_url2"
+    [ "$sc" = "addvpnuser.sh" ] && dl_url1="$add_url1" && dl_url2="$add_url2"
+    [ "$sc" = "delvpnuser.sh" ] && dl_url1="$del_url1" && dl_url2="$del_url2"
     printf '%s' "$sc "
-    wget -t 3 -T 30 -q -O "$sc" "$dl_url" || /bin/rm -f "$sc"
+    wget -t 3 -T 30 -q -O "$sc" "$dl_url1" \
+    || wget -t 3 -T 30 -q -O "$sc" "$dl_url2" || /bin/rm -f "$sc"
     [ -s "$sc" ] && chmod +x "$sc" && ln -s "/opt/src/$sc" /usr/bin 2>/dev/null
   done
   echo