diff --git a/rules/auto_update/.gitignore b/rules/auto_update/.gitignore
new file mode 100644
index 00000000..1d5b5a0d
--- /dev/null
+++ b/rules/auto_update/.gitignore
@@ -0,0 +1,14 @@
+accelerated-domains.china.conf
+apnic.txt
+apple.china.conf
+cdn1.txt
+cdn_download.txt
+chnroute1.txt
+gfwlist1.conf
+gfwlist_download.conf
+gfwlist_download_tmp.conf
+google.china.conf
+Routing.txt
+WhiteList.txt
+WhiteList_new.txt
+WhiteList_tmp.txt
diff --git a/rules/auto_update/update_rules.sh b/rules/auto_update/update_rules.sh
index 366f9c01..952f0f89 100755
--- a/rules/auto_update/update_rules.sh
+++ b/rules/auto_update/update_rules.sh
@@ -4,9 +4,11 @@ CurrentDate=`date +%Y-%m-%d`
 # get gfwlist for shadowsocks ipset mode
 ./fwlist.py gfwlist_download.conf
 
+grep -Ev "([0-9]{1,3}[\.]){3}[0-9]{1,3}" gfwlist_download.conf > gfwlist_download_tmp.conf
+
 if [ -f "gfwlist_download.conf" ];then
-	cat gfwlist_download.conf gfwlist_koolshare.conf | grep -Ev "([0-9]{1,3}[\.]){3}[0-9]{1,3}" | sed "s/^/server=&\/./g" | sed "s/$/\/127.0.0.1#7913/g" > gfwlist_merge.conf
-	cat gfwlist_download.conf gfwlist_koolshare.conf | sed "s/^/ipset=&\/./g" | sed "s/$/\/gfwlist/g" >> gfwlist_merge.conf
+	cat gfwlist_download_tmp.conf gfwlist_koolshare.conf | grep -Ev "([0-9]{1,3}[\.]){3}[0-9]{1,3}" | sed "s/^/server=&\/./g" | sed "s/$/\/127.0.0.1#7913/g" > gfwlist_merge.conf
+	cat gfwlist_download_tmp.conf gfwlist_koolshare.conf | sed "s/^/ipset=&\/./g" | sed "s/$/\/gfwlist/g" >> gfwlist_merge.conf
 fi
 
 sort -k 2 -t. -u gfwlist_merge.conf > gfwlist1.conf
@@ -153,8 +155,8 @@ fi
 echo =================
 
 # ======================================
-rm -rf google.china.conf
-rm -rf apple.china.conf
-rm gfwlist1.conf gfwlist_download.conf chnroute1.txt
+rm google.china.conf
+rm apple.china.conf
+rm gfwlist1.conf gfwlist_download.conf gfwlist_download_tmp.conf chnroute1.txt
 rm cdn1.txt accelerated-domains.china.conf cdn_download.txt
 rm WhiteList.txt WhiteList_tmp.txt apnic.txt WhiteList_new.txt Routing.txt