diff --git a/luci-app-openmptcprouter/luasrc/controller/openmptcprouter.lua b/luci-app-openmptcprouter/luasrc/controller/openmptcprouter.lua
index 4d5e73e4b..1bb28c3b1 100644
--- a/luci-app-openmptcprouter/luasrc/controller/openmptcprouter.lua
+++ b/luci-app-openmptcprouter/luasrc/controller/openmptcprouter.lua
@@ -93,7 +93,9 @@ function wizard_add()
 		ucic:foreach("network", "interface", function(s)
 			local sectionname = s[".name"]
 			if sectionname:match("^wan(%d+)$") then
-				i = tonumber(string.match(sectionname, '(%d+)$')) + 1
+				if i <= tonumber(string.match(sectionname, '%d+')) then
+					i = tonumber(string.match(sectionname, '%d+')) + 1
+				end
 			end
 			if ucic:get("network",sectionname,"multipath") == "master" then
 				multipath_master = true
diff --git a/mptcp/files/usr/share/omr/post-tracking.d/post-tracking b/mptcp/files/usr/share/omr/post-tracking.d/post-tracking
index 6dc5a67d2..d5a0ce2ac 100755
--- a/mptcp/files/usr/share/omr/post-tracking.d/post-tracking
+++ b/mptcp/files/usr/share/omr/post-tracking.d/post-tracking
@@ -511,13 +511,11 @@ if [ "$multipath_config" = "master" ]; then
 		if [ "$(uci -q get openmptcprouter.settings.master)" != "failover" ]; then
 			config_foreach set_server_default_route server
 		fi
-		ip route replace default via $OMR_TRACKER_DEVICE_GATEWAY dev $OMR_TRACKER_DEVICE table 991337
 	fi
 	#if [ "$(uci -q get openmptcprouter.settings.master)" = "balancing" ] && [ "$(ip route show default | grep weight)" = "" ] && [ "$(uci -q get openmptcprouter.settings.defaultgw)" != "0" ] && [ "$(uci -q get openmptcprouter.settings.vpn)" != "mlvpn" ]; then
 	if [ "$(uci -q get openmptcprouter.settings.master)" = "balancing" ] && [ "$(ip route show default | grep weight)" = "" ] && [ "$(uci -q get openmptcprouter.settings.defaultgw)" != "0" ]; then
 		omrvpn_intf=$(uci -q get "network.omrvpn.ifname" || echo "tun")
 		if [ -n "$omrvpn_intf" ] && [ "$(ip route show default | awk '/default/ {print $5}' | grep $omrvpn_intf)" = "" ]; then
-			ip route replace default via $OMR_TRACKER_DEVICE_GATEWAY dev $OMR_TRACKER_DEVICE table 991337
 			routesbalancing=""
 			routesbalancingbackup=""
 			nbintf=0
@@ -537,6 +535,9 @@ if [ "$multipath_config" = "master" ]; then
 			}
 		fi
 	fi
+	if [ -n "$OMR_TRACKER_DEVICE_GATEWAY" ] && [ -n "$OMR_TRACKER_DEVICE" ] && [ "$(ip r show table 991337)" != "default via $OMR_TRACKER_DEVICE_GATEWAY dev $OMR_TRACKER_DEVICE" ]; then
+		ip route replace default via $OMR_TRACKER_DEVICE_GATEWAY dev $OMR_TRACKER_DEVICE table 991337
+	fi
 	if [ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.lc)" = "" ] || [ $(($(date +"%s") + $((10 + RANDOM % 31)) - $(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.lc))) -gt 3600 ] || [ "$(uci -q show openmptcprouter | grep get_config=\'1\')" != "" ] || [ "$(uci -q show openmptcprouter | grep admin_error=\'1\')" != "" ]; then
 		/etc/init.d/openmptcprouter-vps restart >/dev/null 2>&1
 	fi
diff --git a/openmptcprouter/files/etc/firewall.gre-tunnel b/openmptcprouter/files/etc/firewall.gre-tunnel
index 037f135f7..41b00e664 100644
--- a/openmptcprouter/files/etc/firewall.gre-tunnel
+++ b/openmptcprouter/files/etc/firewall.gre-tunnel
@@ -11,8 +11,10 @@ _setup_rules() {
 _setup_routes() {
 	config_get lookup $1 lookup
 	config_get gateway $1 gateway
-	intf=$(ifstatus | jsonfilter -e '@.l3_device' | tr -d "\n")
-	ip route replace default via $gateway dev $intf table $lookup
+	intf=$(ifstatus $1 | jsonfilter -e '@.l3_device' | tr -d "\n")
+	if [ -n "$lookup" ] && [ -n "$intf" ] && [ -n "$gateway" ]; then
+		ip route replace default via $gateway dev $intf table $lookup
+	fi
 }
 config_load network
 config_foreach _setup_rules interface
diff --git a/openmptcprouter/files/etc/uci-defaults/1980-omr-firewall b/openmptcprouter/files/etc/uci-defaults/1980-omr-firewall
index aed1164e8..a76ef9bea 100755
--- a/openmptcprouter/files/etc/uci-defaults/1980-omr-firewall
+++ b/openmptcprouter/files/etc/uci-defaults/1980-omr-firewall
@@ -16,16 +16,16 @@ if [ "$(uci -q get firewall.@zone[2].name)" = "vpn" ]; then
 fi
 
 if [ "$(uci -q get firewall.zone_vpn)" = "" ]; then
-    uci -q batch <<-EOF >/dev/null
-    set firewall.zone_vpn=zone
-    set firewall.zone_vpn.name=vpn
-    set firewall.zone_vpn.network=glorytun
-    set firewall.zone_vpn.masq=1
-    set firewall.zone_vpn.input=REJECT
-    set firewall.zone_vpn.forward=ACCEPT
-    set firewall.zone_vpn.output=ACCEPT
-    commit firewall
-    EOF
+	uci -q batch <<-EOF >/dev/null
+		set firewall.zone_vpn=zone
+		set firewall.zone_vpn.name=vpn
+		set firewall.zone_vpn.network=glorytun
+		set firewall.zone_vpn.masq=1
+		set firewall.zone_vpn.input=REJECT
+		set firewall.zone_vpn.forward=ACCEPT
+		set firewall.zone_vpn.output=ACCEPT
+		commit firewall
+	EOF
 fi
 
 if [ "$(uci -q get firewall.@rule[5].name)" = "Allow-ICMPv6-Input" ]; then
diff --git a/v2ray-core/files/etc/uci-defaults/3010-omr-v2ray b/v2ray-core/files/etc/uci-defaults/3010-omr-v2ray
index 11acbf017..3388a1663 100644
--- a/v2ray-core/files/etc/uci-defaults/3010-omr-v2ray
+++ b/v2ray-core/files/etc/uci-defaults/3010-omr-v2ray
@@ -94,11 +94,17 @@ EOF
 if [ "$(uci -q get firewall.v2ray)" = "" ]; then
 	uci -q batch <<-EOF >/dev/null
 		set firewall.v2ray=include
-		set firewall.v2ray.path=/etc/firewall.v2ray
+		set firewall.v2ray.path=/etc/firewall.v2ray-rules
 		set firewall.v2ray.reload=1
 		commit firewall
 	EOF
 fi
+if [ "$(uci -q get firewall.v2ray.path)" != "/etc/firewall.v2ray-rules" ]; then
+	uci -q batch <<-EOF >/dev/null
+		set firewall.v2ray.path=/etc/firewall.v2ray-rules
+		commit firewall
+	EOF
+fi
 
 if [ "$(uci -q get v2ray.main_reverse.bridges | grep omrbridge)" = "" ]; then
 	uci -q batch <<-EOF >/dev/null