diff --git a/luasrc/model/cbi/mosdns/update.lua b/luasrc/model/cbi/mosdns/update.lua
index ee88d1e..432955d 100644
--- a/luasrc/model/cbi/mosdns/update.lua
+++ b/luasrc/model/cbi/mosdns/update.lua
@@ -11,7 +11,7 @@ s.anonymous = true
 enable = s:option(Flag, "geo_auto_update", translate("Enable Auto Database Update"))
 enable.rmempty = false
 
-enable = s:option(Flag, "syncconfig", translate("Enable Config Update"))
+enable = s:option(Flag, "update_adlist", translate("Enable ADList Update"))
 enable.rmempty = false
 
 o = s:option(ListValue, "geo_update_week_time", translate("Update Cycle"))
diff --git a/po/zh-cn/mosdns.po b/po/zh-cn/mosdns.po
index b7764ae..f3909b1 100644
--- a/po/zh-cn/mosdns.po
+++ b/po/zh-cn/mosdns.po
@@ -73,8 +73,8 @@ msgstr "检查并更新"
 msgid "Enable Auto Database Update"
 msgstr "启用数据库自动更新"
 
-msgid "Enable Config Update"
-msgstr "启用配置文件同步"
+msgid "Enable ADList Update"
+msgstr "更新广告过滤列表"
 
 msgid "Enable AutoConfiguration"
 msgstr "启用自动化配置"
diff --git a/root/etc/config/mosdns b/root/etc/config/mosdns
index 4d80be0..f24ade5 100644
--- a/root/etc/config/mosdns
+++ b/root/etc/config/mosdns
@@ -7,7 +7,7 @@ config mosdns 'mosdns'
 	option geo_update_day_time '2'
 	option redirect '1'
 	option autoconf '1'
-	option syncconfig '1'
+	option update_adlist '1'
 	option adblock '0'
 	option configfile './def_config.yaml'
 	option loglv 'error'
diff --git a/root/etc/mosdns/library.sh b/root/etc/mosdns/library.sh
index 8492050..6bec666 100755
--- a/root/etc/mosdns/library.sh
+++ b/root/etc/mosdns/library.sh
@@ -19,7 +19,7 @@ getdat() {
   fi
 }
 
-get_ADlist() {
+get_adlist() {
   if exist curl; then
     curl -fSLo "$TMPDIR/$1" "https://raw.cooluc.com/QiuSimons/openwrt-mos/master/dat/$1"
   else
@@ -27,14 +27,6 @@ get_ADlist() {
   fi
 }
 
-get_config() {
-  if exist curl; then
-    curl -fSLo "$TMPDIR/$1" "https://raw.cooluc.com/sbwml/luci-app-mosdns/master/root/etc/mosdns/$1"
-  else
-    wget "https://raw.cooluc.com/sbwml/luci-app-mosdns/master/root/etc/mosdns/$1" -nv -O "$TMPDIR/$1"
-  fi
-}
-
 getdns() {
   if [ "$2" == "inactive" ]; then
     ubus call network.interface.wan status | jsonfilter -e "@['inactive']['dns-server'][$1]"
diff --git a/root/etc/mosdns/mosupdater.sh b/root/etc/mosdns/mosupdater.sh
index fe8e4a5..3f21f51 100755
--- a/root/etc/mosdns/mosupdater.sh
+++ b/root/etc/mosdns/mosupdater.sh
@@ -16,18 +16,13 @@ fi
 cp -rf "$TMPDIR"/* /usr/share/v2ray
 rm -rf "$TMPDIR"
 
-syncconfig=$(uci -q get mosdns.mosdns.syncconfig)
-if [ "$syncconfig" -eq 1 ]; then
+update_adlist=$(uci -q get mosdns.mosdns.update_adlist)
+if [ "$update_adlist" -eq 1 ]; then
   TMPDIR=$(mktemp -d) || exit 2
-  get_config def_config.yaml
-  get_ADlist serverlist.txt
-
+  get_adlist serverlist.txt
   if [ "$(grep -o .com "$TMPDIR"/serverlist.txt | wc -l)" -lt "1000" ]; then
     rm -rf "$TMPDIR"/serverlist.txt
   fi
-  if [ "$(grep -o plugin "$TMPDIR"/def_config.yaml | wc -l)" -eq "0" ]; then
-    rm -rf "$TMPDIR"/def_config.yaml
-  fi
   cp -rf "$TMPDIR"/* /etc/mosdns
   rm -rf /etc/mosdns/serverlist.bak
 fi