diff --git a/package/lean/luci-app-syncdial/luasrc/controller/syncdial.lua b/package/lean/luci-app-syncdial/luasrc/controller/syncdial.lua
index bb5f48d75..9e6c70768 100644
--- a/package/lean/luci-app-syncdial/luasrc/controller/syncdial.lua
+++ b/package/lean/luci-app-syncdial/luasrc/controller/syncdial.lua
@@ -1,25 +1,14 @@
---[[
-Sync Dial Luci configuration page.
-Copyright (C) 2015 GuoGuo <gch981213@gmail.com>
-]]--
-
-module("luci.controller.syncdial", package.seeall)
-
+module("luci.controller.syncdial",package.seeall)
 function index()
-	
-	if not nixio.fs.access("/etc/config/syncdial") then
-		return
-	end
-
-	local page
-	page = entry({"admin", "network", "syncdial"}, cbi("syncdial"), _("虚拟WAN"))
-	page.dependent = true
-
-	page = entry({"admin", "network", "macvlan_redial"}, call("redial"), nil)
-	page.leaf = true
-
+if not nixio.fs.access("/etc/config/syncdial")then
+return
+end
+local e
+e=entry({"admin","network","syncdial"},cbi("syncdial"),_("多线多拨"),103)
+e.dependent=true
+e=entry({"admin","network","macvlan_redial"},call("redial"),nil)
+e.leaf=true
 end
-
 function redial()
-	os.execute("killall -9 pppd")
+os.execute("killall -9 pppd")
 end
diff --git a/package/lean/luci-app-syncdial/luasrc/model/cbi/syncdial.lua b/package/lean/luci-app-syncdial/luasrc/model/cbi/syncdial.lua
index 95e540255..30c7f172c 100644
--- a/package/lean/luci-app-syncdial/luasrc/model/cbi/syncdial.lua
+++ b/package/lean/luci-app-syncdial/luasrc/model/cbi/syncdial.lua
@@ -1,37 +1,62 @@
---[[
-Sync Dial Luci configuration page.
-Copyright (C) 2015 GuoGuo <gch981213@gmail.com>
-]]--
-
-local fs = require "nixio.fs"
-
-local cmd = "mwan3 status | grep -c \"is online and tracking is active\""
-local shellpipe = io.popen(cmd,"r")
-local ifnum = shellpipe:read("*a")
-shellpipe:close()
-
-
-m = Map("syncdial", translate("创建虚拟WAN接口"),
-        translatef("使用macvlan驱动创建多个虚拟WAN口。<br />当前在线接口数量：")..ifnum)
-
-s = m:section(TypedSection, "syncdial", translate(" "))
-s.anonymous = true
-
-switch = s:option(Flag, "enabled", "启用")
-switch.rmempty = false
-
---s:option(Flag, "force_redial", "强制全部重拨", "如果有接口掉线则强制所有接口下线重拨。").rmempty = false
-
-wannum = s:option(Value, "wannum", "虚拟WAN接口数量")
-wannum.datatype = "range(0,20)"
-wannum.optional = false
-
-s:option(Flag, "old_frame", "使用旧的macvlan创建方式").rmempty = false
-
-o = s:option(DummyValue, "_redial", "重新并发拨号")
-o.template = "syncdial/redial_button"
-o.width    = "10%"
-
+local e=require"nixio.fs"
+require("luci.tools.webadmin")
+local e="mwan3 status | grep -c \"is online and tracking is active\""
+local e=io.popen(e,"r")
+local t=e:read("*a")
+e:close()
+m=Map("syncdial",translate("多线多拨"),
+translate("使用macvlan驱动创建多个虚拟WAN口，支持并发多拨 <br />当前在线接口数量：")..t)
+s=m:section(TypedSection,"syncdial",translate(" "))
+s.anonymous=true
+o=s:option(Flag,"enabled","启用")
+o.rmempty=false
+o=s:option(Flag,"syncon","启用并发多拨")
+o.rmempty=false
+o=s:option(ListValue,"dial_type",translate("多拨类型"))
+o:value("1",translate("单线多拨"))
+o:value("2",translate("双线多拨"))
+o.rmempty=false
+o=s:option(Value,"wanselect",translate("选择外网接口"),translate("指定要多拨的外网接口，如wan"))
+luci.tools.webadmin.cbi_add_networks(o)
+o.optional=false
+o.rmempty=false
+o=s:option(Value,"wannum","虚拟WAN接口数量")
+o.datatype="range(0,249)"
+o.optional=false
+o.default=1
+o=s:option(Flag,"bindwan","绑定物理接口")
+o.rmempty=false
+o=s:option(Value,"wanselect2",translate("选择第二个外网接口"),translate("<font color=\"red\">指定要多拨的第二个外网接口，如wan2</font>"))
+luci.tools.webadmin.cbi_add_networks(o)
+o.optional=false
+o:depends("dial_type","2")
+o=s:option(Value,"wannum2",translate("第二条线虚拟WAN接口数量"),translate("设置第二条线的拨号数"))
+o.datatype="range(0,249)"
+o.optional=false
+o.default=1
+o:depends("dial_type","2")
+o=s:option(Flag,"bindwan2","绑定物理接口","第二条线生成的虚拟接口绑定当前物理接口")
+o.rmempty=false
+o:depends("dial_type","2")
+o=s:option(Flag,"dialchk","启用掉线检测")
+o.rmempty=false
+o=s:option(Value,"dialnum","最低在线接口数量","如果在线接口数量小于这个值则重拨。")
+o.datatype="range(0,248)"
+o.optional=false
+o.default=2
+o=s:option(Value,"dialnum2","第二条线最低在线接口数量","如果第二条线在线接口数量小于这个值则重拨。")
+o.datatype="range(0,248)"
+o.optional=false
+o.default=2
+o:depends("dial_type","2")
+o=s:option(Value,"dialwait","重拨等待时间","重拨时，接口全部下线后下一次拨号前的等待时间。单位：秒 最小值：5秒")
+o.datatype="and(uinteger,min(5))"
+o.optional=false
+o=s:option(Flag,"old_frame","使用旧的macvlan创建方式")
+o.rmempty=false
+o=s:option(Flag,"nomwan","不自动配置MWAN3负载均衡","需要自定义负载均衡设置或者要使用策略路由的用户选择")
+o.rmempty=false
+o=s:option(DummyValue,"_redial","重新并发拨号")
+o.template="syncdial/redial_button"
+o.width="10%"
 return m
-
-
diff --git a/package/lean/luci-app-syncdial/luasrc/view/syncdial/redial_button.htm b/package/lean/luci-app-syncdial/luasrc/view/syncdial/redial_button.htm
index e8c4f0739..d1ba683d1 100644
--- a/package/lean/luci-app-syncdial/luasrc/view/syncdial/redial_button.htm
+++ b/package/lean/luci-app-syncdial/luasrc/view/syncdial/redial_button.htm
@@ -1,5 +1,5 @@
 <%+cbi/valueheader%>
-<script type="text/javascript" src="<%=resource%>/cbi.js"></script>
+<script type="text/javascript" src="<%=resource%>/cbi.js?v=git-17.110.13538-6360059"></script>
 <script type="text/javascript">//<![CDATA[
 
 	function do_macvlan_redial()
diff --git a/package/lean/luci-app-syncdial/root/bin/genwancfg b/package/lean/luci-app-syncdial/root/bin/genwancfg
index d24a0ea96..6a058b3bc 100755
--- a/package/lean/luci-app-syncdial/root/bin/genwancfg
+++ b/package/lean/luci-app-syncdial/root/bin/genwancfg
@@ -1,11 +1,34 @@
 #!/bin/sh
 #macvlan及PPPoE拨号接口配置批量自动生成脚本
-#Copyright (C) 2015 GuoGuo<gch981213@gmail.com>
+#Copyright (C) 2016
 . /lib/functions.sh
 
 #检测IP列表
-chk_ip_list="$(cat /tmp/resolv.conf.auto | grep nameserver | cut -d' ' -f2 | sort -u | tr '\n' ' ') 115.239.210.27 115.239.211.112 220.181.112.244 220.181.111.188 114.114.114.114 114.114.115.115"
-fw_str="wan wan6"
+chk_ip_list="www.baidu.com 114.114.114.114 119.29.29.29"
+origfirewall=$(uci get firewall.@zone[1].network)
+backupdev=$(uci get syncdial.config.devbackup)
+norun=$(echo $origfirewall|grep vwan)
+nomwan=$(uci get syncdial.config.nomwan)
+wanselect=$(uci get syncdial.config.wanselect)
+wannum=$(uci get syncdial.config.wannum)
+oldframe=$(uci get syncdial.config.old_frame)
+bindwan=$(uci -q get syncdial.config.bindwan)
+
+dial_type=$(uci get syncdial.config.dial_type)
+[ "$dial_type" -eq 2 ] && {
+	wanselect2=$(uci get syncdial.config.wanselect2)
+	[ $? -ne 0 ] && {
+		logger -t Syncppp  "You must select another pppoe interface ! 启用双线多拨必须同时选择第二个外网接口！"
+		return 0
+	}
+
+	wannum2=$(uci get syncdial.config.wannum2)
+	[ $? -ne 0 ] && {
+		logger -t Syncppp  "When dualdial is enabled, the number of the second virtual WAN cannot be blank! 启用双线多拨时第二个虚拟WAN接口数不能为空！"
+		return 0
+	}
+	bindwan2=$(uci -q get syncdial.config.bindwan2)
+}
 
 #添加MWAN负载均衡相关配置
 #$1:接口名称
@@ -13,16 +36,23 @@ mwan_cfg_add() {
 	#gen mwan3_interface
 	uci set mwan3.${1}=interface
 	uci set mwan3.${1}.enabled=1
-	uci set mwan3.${1}.count=1
+	uci set mwan3.${1}.count=2
 	uci set mwan3.${1}.timeout=2
 	uci set mwan3.${1}.interval=5
-	uci set mwan3.${1}.down=3
-	uci set mwan3.${1}.up=2
+	uci set mwan3.${1}.down=4
+	uci set mwan3.${1}.up=1
 	for i in $chk_ip_list
 	do
 		uci add_list mwan3.${1}.track_ip="$i"
 	done
 	uci set mwan3.${1}.reliability=1
+	uci set mwan3.${1}.initial_state=online
+	uci set mwan3.${1}.family=ipv4
+	uci set mwan3.${1}.track_method=ping
+	uci set mwan3.${1}.size=56
+	uci set mwan3.${1}.failure_interval=5
+	uci set mwan3.${1}.recovery_interval=5
+	uci set mwan3.${1}.flush_conntrack=never
 	#gen mwan3_member
 	uci set mwan3.${1}_m1_w1=member
 	uci set mwan3.${1}_m1_w1.interface=${1}
@@ -52,6 +82,8 @@ macvlan_dev_add() {
 #添加PPPoE接口
 #$1:接口名称 $2:设备名称 $3:账户 $4:密码 $5:网关跃点
 pppoe_if_add() {
+	#gen vwan macaddr
+	NEW_MACADDR=$(openssl rand -hex 6 | sed 's/\(..\)/\1:/g; s/.$//')
 	#gen wan if
 	uci set network.${1}=interface
 	uci set network.${1}.ifname=${2}
@@ -59,33 +91,61 @@ pppoe_if_add() {
 	uci set network.${1}.username=${3}
 	uci set network.${1}.password=${4}
 	uci set network.${1}.metric=${5}
+	uci set network.${1}.macaddr=$NEW_MACADDR
 	#gen firewall
-	fw_str="${fw_str} ${1}"
+	uci add_list firewall.@zone[1].network=${1}
+}
+
+
+orig_firewall_add() {
+	need_del_rule=`uci -q get firewall.@zone[1].network | awk -F"'" '{print $2}'`
+	uci del_list firewall.@zone[1].network="$need_del_rule"
+	for k in $( seq 1 250 )
+	do
+		origdev=$(echo $origfirewall | cut -d " " -f$k)
+		if [ -z "$origdev" ]; then
+			break
+		fi
+		[ -z "$(uci get firewall.@zone[1].network | grep -w $origdev)" ] && uci add_list firewall.@zone[1].network=$origdev
+	done
 }
 
 apply_cfg() {
 	uci commit
-	/etc/init.d/network restart
+	#/etc/init.d/network restart &
+	logger -t Syncppp  "Apply syncdial configuaration."
+	ifup wan &
 	killall pppconnectcheck
-	/etc/init.d/firewall restart
-	mwan3 restart
 }
 
 general_config_load() {
 	config_load 'syncdial'
 	config_get_bool enabled 'config' 'enabled'
 	config_get_bool old_frame 'config' 'old_frame'
-	[ $enabled -eq 0 ] && {
+	congig_get_bool dial_type 'config' 'dial_type'
+
+	if [ "$enabled" -eq 0 ]; then
+		if [ "$old_frame" -eq 1 ]; then
+			mwan_cfg_add $wanselect
+			if [ "$dial_type" -eq 2 ]; then
+				mwan_cfg_add $wanselect2
+			fi
+		fi
 		echo "Disabled.Exit now."
 		apply_cfg
 		exit 1
-	}
-	config_get wannum 'config' 'wannum'
-
+	fi
+  
 	config_load 'network'
-	config_get pppoe_user 'wan' 'username'
-	config_get pppoe_password 'wan' 'password'
-	pppoe_ifname=$(uci get network.wan.ifname)
+	config_get pppoe_user $wanselect 'username'
+	config_get pppoe_password $wanselect 'password'
+	pppoe_ifname=$(uci get network.$wanselect.ifname)
+	[ "$dial_type" -eq 2 ] && {
+		config_get pppoe_user2 $wanselect2 'username'
+		config_get pppoe_password2 $wanselect2 'password'
+		pppoe_ifname2=$(uci get network.$wanselect2.ifname)
+	}
+
 }
 
 check_remove_device() {
@@ -97,47 +157,122 @@ check_remove_interface() {
 	local ifcfg=${1}
 	[ ${ifcfg::4} == 'vwan' ] && {
 		uci del network.${ifcfg}
-		mwan_cfg_del ${ifcfg} 
+		uci del_list firewall.@zone[1].network=${ifcfg}
+		[ "$nomwan" -ne 1 ] && mwan_cfg_del ${ifcfg} 
 	}
+	uci set firewall.@zone[1].network="$backupdev"
 }
 
 general_config_remove() {
 	config_load network
 	config_foreach check_remove_device 'device'
 	config_foreach check_remove_interface 'interface'
-	[ $(uci get network.wan.proto) == "none" ] && {
-		uci set network.wan.proto=pppoe
+	all_macvlans=`ip link show |grep macvlan | awk -F":" '{print $2}' | awk -F"@" '{print $1}'`
+	[ -n "$all_macvlans" ] && {
+		for macvlan in $all_macvlans
+		do
+			ip link delete $macvlan
+		done
+	}
+	[ "$(uci get network.$wanselect.proto)" == "none" ] && {
+		uci set network.$wanselect.proto=pppoe
+	}
+
+	if [ "$oldframe" -eq 0 ]; then
+		[ "$wanselect" != "$(echo $(uci get syncdial.config.devbackup)| cut -d " " -f1)" ] && \
+		[ "$wanselect" != "$(echo $(uci get syncdial.config.devbackup)| cut -d " " -f2)" ] && \
+			[ "$nomwan" -ne 1 ] && mwan_cfg_del $wanselect
+	else
+		[ "$nomwan" -ne 1 ] && mwan_cfg_del $wanselect
+	fi
+
+	[ "$dial_type" -eq 2 ] && {
+		[ $(uci get network.$wanselect2.proto) == "none" ] && {
+			uci set network.$wanselect2.proto=pppoe
+		}
+		
+		if [ "$oldframe" -eq 0 ]; then
+			[ "$wanselect2" != "$(echo $(uci get syncdial.config.devbackup)| cut -d " " -f1)" ] && \
+			[ "$wanselect2" != "$(echo $(uci get syncdial.config.devbackup)| cut -d " " -f2)" ] && \
+				[ "$nomwan" -ne 1 ] && mwan_cfg_del $wanselect2
+		else
+			[ "$nomwan" -ne 1 ] && mwan_cfg_del $wanselect2
+		fi
 	}
-	mwan_cfg_del 'wan'
-	uci set firewall.@zone[1].network="wan wan6"
 }
 
 
+[ -z "$norun" ] && uci set syncdial.config.devbackup="$origfirewall" && uci commit syncdial
 general_config_remove
 general_config_load
 
-uci set network.wan.metric=40
-[ $old_frame -eq 1 ] && {
-	uci set network.wan.proto=none
-	ifname=$(uci get network.wan.ifname)
+uci set network.$wanselect.metric=40
+if [ "$wannum" -gt 0 ]; then
+	[ "$old_frame" -eq 1 ] && {
+		uci set network.$wanselect.proto=none
+		ifname=$(uci get network.$wanselect.ifname)
+		for i in $(seq 1 $wannum)
+		do
+			ip link add link $ifname name macvlan$i type macvlan
+			ifconfig macvlan$i hw ether $(echo $(cat /sys/class/net/$ifname/address|awk -F ":" '{print $1":"$2":"$3":"$4":"$5":" }')$(echo "" | awk -F ":" '{printf("%X\n", 16+i);}' i=$i))
+			ifconfig macvlan$i up
+		done
+	}
+	[ "$wanselect" != "$(echo $(uci get syncdial.config.devbackup)| cut -d " " -f1)" ] && \
+		[ "$wanselect" != "$(echo $(uci get syncdial.config.devbackup)| cut -d " " -f2)" ] && \
+			[ "$old_frame" -eq 0 -a "$nomwan" -ne 1 ] && mwan_cfg_add $wanselect
+	
+	
 	for i in $(seq 1 $wannum)
 	do
-		ip link add link $ifname name macvlan$i type macvlan
-		ifconfig macvlan$i hw ether $(echo $(cat /sys/class/net/$ifname/address|awk -F ":" '{print $1":"$2":"$3":"$4":"$5":" }')$(echo "" | awk -F ":" '{printf("%X\n", 16+i);}' i=$i))
-		ifconfig macvlan$i up
+		[ "$old_frame" -eq 0 ] && macvlan_dev_add macvlan$i $pppoe_ifname
+		if [ "$bindwan" != "" -a "$bindwan" == "1" ]; then
+			pppoe_if_add vwan$i $pppoe_ifname $pppoe_user $pppoe_password $((40+$i))
+		else
+			pppoe_if_add vwan$i macvlan$i $pppoe_user $pppoe_password $((40+$i))
+		fi
+		[ "$nomwan" -ne 1 ] && mwan_cfg_add vwan$i
 	done
+else
+	[ "$nomwan" -ne 1 ] && mwan_cfg_add $wanselect
+fi
+
+###dualdial configuration
+[ "$(uci -q get syncdial.config.dial_type)" = "2" ] && {
+
+	uci set network.$wanselect2.metric=60
+	if [ "$wannum2" -gt 0 ]; then
+		[ "$old_frame" -eq 1 ] && {
+			uci set network.$wanselect2.proto=none
+			ifname2=$(uci get network.$wanselect2.ifname)
+			for i in $(seq 1 $wannum2)
+			do
+				ip link add link $ifname2 name macvlan$(($wannum+$i)) type macvlan
+				ifconfig macvlan$(($wannum+$i)) hw ether $(echo $(cat /sys/class/net/$ifname2/address|awk -F ":" '{print $1":"$2":"$3":"$4":"$5":" }')$(echo "" | awk -F ":" '{printf("%X\n", 16+i);}' i=$i))
+				ifconfig macvlan$(($wannum+$i)) up
+			done
+		}
+		[ "$wanselect2" != "$(echo $(uci get syncdial.config.devbackup)| cut -d " " -f1)" ] && \
+			[ "$wanselect2" != "$(echo $(uci get syncdial.config.devbackup)| cut -d " " -f2)" ] && \
+				[ "$old_frame" -eq 0 -a "$nomwan" -ne 1 ] && mwan_cfg_add $wanselect2
+		
+		
+		for i in $(seq 1 $wannum2)
+		do
+			[ "$old_frame" -eq 0 ] && macvlan_dev_add macvlan$(($wannum+$i)) $pppoe_ifname2
+			if [ "$bindwan2" != "" -a "$bindwan2" == "1" ]; then
+				pppoe_if_add vwan$(($wannum+$i)) $pppoe_ifname2 $pppoe_user2 $pppoe_password2 $((60+$i))
+			else
+				pppoe_if_add vwan$(($wannum+$i)) macvlan$(($wannum+$i)) $pppoe_user2 $pppoe_password2 $((60+$i))
+			fi
+			[ "$nomwan" -ne 1 ] && mwan_cfg_add vwan$(($wannum+$i))
+		done
+	else
+		[ "$nomwan" -ne 1 ] && mwan_cfg_add $wanselect2
+	fi
 }
-[ $old_frame -eq 0 ] && mwan_cfg_add wan
-
-for i in $(seq 1 $wannum)
-do
-	[ $old_frame -eq 0 ] && macvlan_dev_add macvlan$i $pppoe_ifname
-	pppoe_if_add vwan$i macvlan$i $pppoe_user $pppoe_password $((40+$i))
-	mwan_cfg_add vwan$i
-done
-
-uci set firewall.@zone[1].network="$fw_str"
 
+orig_firewall_add
 apply_cfg
 
 return 0
diff --git a/package/lean/luci-app-syncdial/root/etc/config/syncdial b/package/lean/luci-app-syncdial/root/etc/config/syncdial
index 9adeb2d70..5a39e586f 100644
--- a/package/lean/luci-app-syncdial/root/etc/config/syncdial
+++ b/package/lean/luci-app-syncdial/root/etc/config/syncdial
@@ -1,7 +1,19 @@
+
 config syncdial 'config'
-	option 'enabled' '0'
-	option 'wannum'	 '2'
-	option 'dialchk' '0' 
-	option 'dialnum' '1'
-	option 'dialwait' '25'
-	option 'old_frame' '1'
+	option syncon '1'
+	option dialwait '25'
+	option dialchk '1'
+	option nomwan '0'
+	option wanselect 'wan'
+	option dial_type '2'
+	option wannum '3'
+	option wanselect2 'wan2'
+	option wannum2 '2'
+	option dialnum '3'
+	option dialnum2 '2'
+	option old_frame '1'
+	option devbackup 'wan wan6 wan2'
+	option bindwan '0'
+	option bindwan2 '0'
+	option enabled '0'
+
diff --git a/package/lean/luci-app-syncdial/root/etc/hotplug.d/iface/01-dialcheck b/package/lean/luci-app-syncdial/root/etc/hotplug.d/iface/01-dialcheck
new file mode 100644
index 000000000..716db654c
--- /dev/null
+++ b/package/lean/luci-app-syncdial/root/etc/hotplug.d/iface/01-dialcheck
@@ -0,0 +1,36 @@
+#!/bin/sh
+[ "$ACTION" = "ifdown" ] &&	pppconnectcheck &
+
+wanselect=$(uci get syncdial.config.wanselect)
+[ "$(uci get syncdial.config.dial_type)" = "2" ] && {
+	wanselect2=$(uci get syncdial.config.wanselect2)
+}
+
+[ "$(uci get syncdial.config.enabled)" = "1" ] && \
+	[ "$(uci get syncdial.config.old_frame)" = "1" ] && \
+	[ "$DEVICE" = "$(uci get network.$wanselect.ifname)" ] && \
+	[ "$ACTION" = "ifup" ] && {
+	ifname=$(uci get network.$wanselect.ifname)
+	wannum=$(uci get syncdial.config.wannum)
+	for i in $(seq 1 $wannum)
+	do
+		[ -d /sys/class/net/macvlan$i ] || {
+			ip link add link $ifname name macvlan$i type macvlan
+			ifconfig macvlan$i hw ether $(echo $(cat /sys/class/net/$ifname/address|awk -F ":" '{print $1":"$2":"$3":"$4":"$5":" }')$(echo "" | awk -F ":" '{printf("%X\n", 16+i);}' i=$i))
+			ifconfig macvlan$i up
+		}
+	done
+
+	[ "$(uci get syncdial.config.dial_type)" = "2" ] && {
+	ifname2=$(uci get network.$wanselect2.ifname)
+	wannum2=$(uci get syncdial.config.wannum2)
+	for i in $(seq 1 $wannum2)
+	do
+		[ -d /sys/class/net/macvlan$(($wannum+$i)) ] || {
+			ip link add link $ifname2 name macvlan$(($wannum+$i)) type macvlan
+			ifconfig macvlan$(($wannum+$i)) hw ether $(echo $(cat /sys/class/net/$ifname2/address|awk -F ":" '{print $1":"$2":"$3":"$4":"$5":" }')$(echo "" | awk -F ":" '{printf("%X\n", 16+i);}' i=$i))
+			ifconfig macvlan$(($wannum+$i)) up
+		}
+	done
+	}
+}