diff --git a/package/lean/luci-app-zerotier/Makefile b/package/lean/luci-app-zerotier/Makefile
index 61d1f826ac..6275fce41a 100644
--- a/package/lean/luci-app-zerotier/Makefile
+++ b/package/lean/luci-app-zerotier/Makefile
@@ -10,7 +10,7 @@ LUCI_TITLE:=LuCI for Zerotier
 LUCI_DEPENDS:=+zerotier
 LUCI_PKGARCH:=all
 PKG_VERSION:=1.0
-PKG_RELEASE:=18
+PKG_RELEASE:=19
 
 include $(TOPDIR)/feeds/luci/luci.mk
 
diff --git a/package/lean/luci-app-zerotier/luasrc/model/cbi/zerotier/info.lua b/package/lean/luci-app-zerotier/luasrc/model/cbi/zerotier/info.lua
index 9bc3824cfc..effb02708e 100644
--- a/package/lean/luci-app-zerotier/luasrc/model/cbi/zerotier/info.lua
+++ b/package/lean/luci-app-zerotier/luasrc/model/cbi/zerotier/info.lua
@@ -7,9 +7,9 @@ t = f:field(TextValue, "conf")
 t.rmempty = true
 t.rows = 15
 function t.cfgvalue()
-  luci.sys.exec("ifconfig $(ifconfig | grep zt | awk '{print $1}') > /tmp/zero.info")
+  luci.sys.exec("for i in $(ifconfig | grep 'zt' | awk '{print $1}'); do ifconfig $i; done > /tmp/zero.info")
 	return fs.readfile(conffile) or ""
 end
 t.readonly="readonly"
 
-return f
\ No newline at end of file
+return f
diff --git a/package/lean/luci-app-zerotier/root/etc/zerotier.start b/package/lean/luci-app-zerotier/root/etc/zerotier.start
index eb7bb8c27b..a694e79737 100755
--- a/package/lean/luci-app-zerotier/root/etc/zerotier.start
+++ b/package/lean/luci-app-zerotier/root/etc/zerotier.start
@@ -1,29 +1,35 @@
 #!/bin/sh
 
-zero_enable=$(uci get zerotier.sample_config.enabled)
+zero_enable="$(uci get zerotier.sample_config.enabled)"
 
-if [ $zero_enable -eq 1 ]; then
+[ "${zero_enable}" -ne "1" ] && exit 0
 
-if [ -f /tmp/zero.log ];then
-while [ "$(ifconfig | grep zt | awk '{print $1}')" = "" ]  
-do 
-   sleep 1
+[ -f "/tmp/zero.log" ] && {
+	while [ "$(ifconfig | grep 'zt' | awk '{print $1}')" = "" ]  
+	do
+		sleep 1
+	done
+}
+
+nat_enable="$(uci get zerotier.sample_config.nat)"
+zt0="$(ifconfig | grep 'zt' | awk '{print $1}')"
+echo "${zt0}" > "/tmp/zt.nif"
+
+for i in ${zt0}
+do
+	iptables -D FORWARD -i "$i" -j ACCEPT 2>/dev/null
+	iptables -D FORWARD -o "$i" -j ACCEPT 2>/dev/null
+	iptables -t nat -D POSTROUTING -o "$i" -j MASQUERADE 2>/dev/null
 done
-fi
 
-nat_enable=$(uci get zerotier.sample_config.nat)
-zt0=$(ifconfig | grep zt | awk '{print $1}')
-
-echo $zt0 > /tmp/zt.nif
-iptables -D FORWARD -i $zt0 -j ACCEPT 2>/dev/null
-iptables -D FORWARD -o $zt0 -j ACCEPT 2>/dev/null
-iptables -t nat -D POSTROUTING -o $zt0 -j MASQUERADE 2>/dev/null
-if [ $nat_enable -eq 1 ]; then
-  iptables -I FORWARD -i $zt0 -j ACCEPT
-  iptables -I FORWARD -o $zt0 -j ACCEPT
-  iptables -t nat -I POSTROUTING -o $zt0 -j MASQUERADE
-  ip_segment=$(ip route | grep "dev $zt0 proto" | awk '{print $1}')
-  iptables -t nat -I POSTROUTING -s $ip_segment -j MASQUERADE
-fi
-
-fi
+[ "${nat_enable}" -eq "1" ] && {
+	for i in ${zt0}
+	do
+		ip_segment=""
+		iptables -I FORWARD -i "$i" -j ACCEPT
+		iptables -I FORWARD -o "$i" -j ACCEPT
+		iptables -t nat -I POSTROUTING -o "$i" -j MASQUERADE
+		ip_segment="$(ip route | grep "dev $i proto" | awk '{print $1}')"
+		iptables -t nat -I POSTROUTING -s "${ip_segment}" -j MASQUERADE
+	done
+}
diff --git a/package/lean/luci-app-zerotier/root/etc/zerotier.stop b/package/lean/luci-app-zerotier/root/etc/zerotier.stop
index 68f3b718a6..cbe7ec4b6c 100755
--- a/package/lean/luci-app-zerotier/root/etc/zerotier.stop
+++ b/package/lean/luci-app-zerotier/root/etc/zerotier.stop
@@ -1,12 +1,15 @@
 #!/bin/sh
 
-zt0=$(ifconfig | grep zt | awk '{print $1}')
-if [ "$zt0" = "" ]; then
-  zt0=$(cat /tmp/cat /tmp/zt.nif)
-fi
-echo "zt interface $zt0 is stopped!"
-iptables -D FORWARD -i $zt0 -j ACCEPT 2>/dev/null
-iptables -D FORWARD -o $zt0 -j ACCEPT 2>/dev/null
-iptables -t nat -D POSTROUTING -o $zt0 -j MASQUERADE 2>/dev/null
-ip_segment=$(ip route | grep "dev $zt0 proto" | awk '{print $1}')
-iptables -t nat -D POSTROUTING -s $ip_segment -j MASQUERADE 2>/dev/null
+zt0="$(ifconfig | grep 'zt' | awk '{print $1}')"
+[ -z "${zt0}" ] && zt0="$(cat "/tmp/zt.nif")"
+
+for i in ${zt0}
+do
+	ip_segment=""
+	iptables -D FORWARD -i "$i" -j ACCEPT 2>/dev/null
+	iptables -D FORWARD -o "$i" -j ACCEPT 2>/dev/null
+	iptables -t nat -D POSTROUTING -o "$i" -j MASQUERADE 2>/dev/null
+	ip_segment="$(ip route | grep "dev $i proto" | awk '{print $1}')"
+	iptables -t nat -D POSTROUTING -s "${ip_segment}" -j MASQUERADE 2>/dev/null
+	echo "zt interface $i is stopped!"
+done