diff --git a/script/tools/delete_iso.sh b/script/tools/delete_iso.sh
index 83a9c0e535667e9257309a81296e6dc6e6e25758..3396ffcf247c97bd0dd6fad35c7c5e6aee06c9e7 100644
--- a/script/tools/delete_iso.sh
+++ b/script/tools/delete_iso.sh
@@ -5,7 +5,7 @@ DIR=$1
 my_key=$2
 ISO_DAYS=$3
 TODAY=`date +%s`
-files=`ssh -i $my_key -o StrictHostKeyChecking=no root@121.36.84.172 "ls $DIR | grep openeuler-"`
+files=`ssh -i $my_key -o StrictHostKeyChecking=no root@121.36.84.172 "ls $DIR | grep ^openeuler-"`
 
 for file in $files
 do
diff --git a/script/tools/link_latest_dailybuild.sh b/script/tools/link_latest_dailybuild.sh
new file mode 100644
index 0000000000000000000000000000000000000000..7c9eed30b7c97446e27a2e5e33ec4fe4e61d1d13
--- /dev/null
+++ b/script/tools/link_latest_dailybuild.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+# usage: bash link_latest_dailybuild.sh <directory of iso> <ssh_key>
+echo "--------------- start link to latest dailybuild ----------------"
+DIR=$1
+my_key=$2
+ssh_ip=$3
+Project=`echo $DIR | awk -F "/" '{print $NF}'`
+files=`ssh -i $my_key -o StrictHostKeyChecking=no root@${ssh_ip} "ls $DIR | grep ^openeuler-"`
+num=0
+declare -a date_num
+for file in $files
+do
+    echo $file
+	if [[ $file == openeuler-* ]];then
+		year=`echo $file | cut -d "-" -f 2`
+		month=`echo $file | cut -d "-" -f 3`
+		day=`echo $file | cut -d "-" -f 4`
+		hour=`echo $file | cut -d "-" -f 5`
+		min=`echo $file | cut -d "-" -f 6`
+		sec=`echo $file | cut -d "-" -f 7`
+   		file=`echo $file | sed 's/\r//g'`
+		echo "$file +++++++"
+		date=`date -d "$year-$month-$day $hour:$min:$sec" +%s`
+		date_num[$num]=$date
+		num=`expr $num + 1`
+	fi
+done
+
+echo ${date_num[@]}
+Max=${date_num[0]}
+for I in ${!date_num[@]};do
+	if [[ ${Max} -le ${date_num[${I}]} ]];then
+		Max=${date_num[${I}]}
+	fi
+done
+
+daily_dir="openeuler-`date -d @$Max +%Y-%m-%d-%H-%M-%S`"
+echo "latest_dir:$daily_dir"
+ssh -i $my_key -o StrictHostKeyChecking=no root@${ssh_ip} "cd $DIR && rm -rf $Project && ln -s $daily_dir $Project"
+if [ $? -eq 0 ];then
+	echo "Success to make soft link"
+else
+	echo "Fail to make soft link"
+fi