diff --git a/luci-app-ssr-plus/luasrc/model/cbi/shadowsocksr/client.lua b/luci-app-ssr-plus/luasrc/model/cbi/shadowsocksr/client.lua
index ff45ac70..038cf242 100644
--- a/luci-app-ssr-plus/luasrc/model/cbi/shadowsocksr/client.lua
+++ b/luci-app-ssr-plus/luasrc/model/cbi/shadowsocksr/client.lua
@@ -197,7 +197,7 @@ if is_finded("chinadns-ng") then
 	o:depends("pdnsd_enable", "6")
 
 	o = s:option(Value, "chinadns_forward", translate("Domestic DNS Server"))
-	o:value("", translate("Disable ChinaDNS-NG"))
+	o:value("none", translate("Disable ChinaDNS-NG"))
 	o:value("wan", translate("Use DNS from WAN"))
 	o:value("wan_114", translate("Use DNS from WAN and 114DNS"))
 	o:value("114.114.114.114:53", translate("Nanjing Xinfeng 114DNS (114.114.114.114)"))
@@ -212,7 +212,7 @@ if is_finded("chinadns-ng") then
 	o.description = translate("Custom DNS Server format as IP:PORT (default: disabled)")
 	o.validate = function(self, value, section)
 		if (section and value) then
-			if value == "wan" or value == "wan_114" then
+			if value == "none" or value == "wan" or value == "wan_114" then
 				return value
 			end
 
diff --git a/luci-app-ssr-plus/root/etc/init.d/shadowsocksr b/luci-app-ssr-plus/root/etc/init.d/shadowsocksr
index 75113f35..0c6f6961 100755
--- a/luci-app-ssr-plus/root/etc/init.d/shadowsocksr
+++ b/luci-app-ssr-plus/root/etc/init.d/shadowsocksr
@@ -589,7 +589,7 @@ get_host_ip() {
 	[ -n "$ip" ] || ip=""
 
 	local chinadns="$(uci_get_by_type global chinadns_forward)"
-	if [ -n "$chinadns" ] && [ "$ip" != "$host" ]; then
+	if [ -n "$chinadns" ] && [ "$chinadns" != "none" ] && [ "$ip" != "$host" ]; then
 		grep -q "$host" "$TMP_DNSMASQ_PATH/chinadns_fixed_server.conf" 2>"/dev/null" || \
 			echo -e "address=/$host/$ip" >> "$TMP_DNSMASQ_PATH/chinadns_fixed_server.conf"
 	fi
@@ -954,7 +954,7 @@ start_dns() {
 
 		if [ "$run_mode" = "router" ]; then
 			local chinadns="$(uci_get_by_type global chinadns_forward)"
-			if [ -n "$chinadns" ]; then
+			if [ -n "$chinadns" ] && [ "$chinadns" != "none" ]; then
 				local wandns="$(ifstatus wan | jsonfilter -e '@["dns-server"][0]' || echo "119.29.29.29")"
 				case "$chinadns" in
 				"wan") chinadns="$wandns" ;;
diff --git a/luci-app-ssr-plus/root/usr/bin/ssr-monitor b/luci-app-ssr-plus/root/usr/bin/ssr-monitor
index d9732d25..608a4f38 100755
--- a/luci-app-ssr-plus/root/usr/bin/ssr-monitor
+++ b/luci-app-ssr-plus/root/usr/bin/ssr-monitor
@@ -208,18 +208,20 @@ while [ "1" == "1" ]; do #死循环
 	fi
 	#chinadns-ng(china)
 	if [ "$(uci -q get "dhcp.@dnsmasq[0]._unused_ssrp_changed")" = "1" ]; then
-		icount=$(ps_list | grep $TMP_BIN_PATH/chinadns-ng | grep -v grep | wc -l)
-		if [ "$icount" -lt 1 ]; then #如果进程挂掉就重启它
-			logger -t "$NAME" "chinadns-ng tunnel error.restart!"
-			echolog "chinadns-ng tunnel error.restart!"
-			chinadns=$(uci_get_by_type global chinadns_forward)
-			wandns="$(ifstatus wan | jsonfilter -e '@["dns-server"][0]' || echo "119.29.29.29")"
-			case "$chinadns" in
-			"wan") chinadns="$wandns" ;;
-			""|"wan_114") chinadns="$wandns,114.114.114.114" ;;
-			esac
-			kill -9 $(ps_list | grep $TMP_BIN_PATH/chinadns-ng | grep -v grep | awk '{print $1}') >/dev/null 2>&1
-			ln_start_bin $(first_type chinadns-ng) chinadns-ng -l $china_dns_port -4 china -p 3 -c ${chinadns/:/#} -t 127.0.0.1#$dns_port -N -f -r
+		chinadns=$(uci_get_by_type global chinadns_forward)
+		if [ -n "$chinadns" ] && [ "$chinadns" != "none" ]; then
+			icount=$(ps_list | grep $TMP_BIN_PATH/chinadns-ng | grep -v grep | wc -l)
+			if [ "$icount" -lt 1 ]; then #如果进程挂掉就重启它
+				logger -t "$NAME" "chinadns-ng tunnel error.restart!"
+				echolog "chinadns-ng tunnel error.restart!"
+				wandns="$(ifstatus wan | jsonfilter -e '@["dns-server"][0]' || echo "119.29.29.29")"
+				case "$chinadns" in
+				"wan") chinadns="$wandns" ;;
+				""|"wan_114") chinadns="$wandns,114.114.114.114" ;;
+				esac
+				kill -9 $(ps_list | grep $TMP_BIN_PATH/chinadns-ng | grep -v grep | awk '{print $1}') >/dev/null 2>&1
+				ln_start_bin $(first_type chinadns-ng) chinadns-ng -l $china_dns_port -4 china -p 3 -c ${chinadns/:/#} -t 127.0.0.1#$dns_port -N -f -r
+			fi
 		fi
 	fi
 done
diff --git a/smartdns/Makefile b/smartdns/Makefile
index 1e6c3756..acd990de 100644
--- a/smartdns/Makefile
+++ b/smartdns/Makefile
@@ -6,7 +6,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=smartdns
 PKG_VERSION:=48.1
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/pymumu/smartdns/tar.gz/Release$(PKG_VERSION)?
@@ -41,7 +41,7 @@ endef
 define Package/smartdns
   $(call Package/smartdns/Default)
   TITLE+= server
-  DEPENDS:=+i386:libatomic +libopenssl
+  DEPENDS:=+i386:libatomic +libopenssl +zlib
 endef
 
 define Package/smartdns/description