diff --git a/mail.log.sh b/mail.log.sh
old mode 100755
new mode 100644
index fc45f79..477d22d
--- a/mail.log.sh
+++ b/mail.log.sh
@@ -1,65 +1,64 @@
 #!/bin/bash
 #
-# Debian Stretch.
 # System authorization information.
-# Author: aixiao
 # Email: aixiao@aixiao.me
-# Date: 20170909
-# Modify Time: 171125
+# Time: 20170909
 #
 
-pwd_path=/root
-TIME=`date +"%Y%m%d"`
-log_file=${pwd_path}/${TIME}.log
+function run()
+{
+    pwd_path="/root";
+    TIME=`date +"%Y%m%d"`;
+    log_file="${pwd_path}/${TIME}.log";
+	email_address="1605227279@qq.com";
+	num=9;
 
-echo "Read-Only Memory,ROM:" &>> ${log_file}
-df -am &>> ${log_file}
+    echo "Read-Only Memory,ROM:" &>> ${log_file}
+    df -am &>> ${log_file}
 
-echo "" &>> ${log_file}
-echo "random access memory，RAM:" &>> ${log_file}
-free -hl &>> ${log_file}
+    echo "" &>> ${log_file}
+    echo "random access memory，RAM:" &>> ${log_file}
+    free -hl &>> ${log_file}
 
-echo "" &>> ${log_file}
-echo "System process:" &>> ${log_file}
-ps -axjf &>> ${log_file}
+    echo "" &>> ${log_file}
+    echo "System process:" &>> ${log_file}
+    ps -axjf &>> ${log_file}
 
-echo "" &>> ${log_file}
-echo "Network Connections" &>> ${log_file}
-netstat -tnulp &>> ${log_file}
+    echo "" &>> ${log_file}
+    echo "Network Connections" &>> ${log_file}
+    netstat -tnulp &>> ${log_file}
 
-echo "" &>> ${log_file}
-echo "AIC" &>> ${log_file}
-netstat -ntu &>> ${log_file}
+    echo "" &>> ${log_file}
+    echo "System authorization information:" &>> ${log_file}
+    if test "`date | awk '{print $3}'`" -ge 10 ; then
+        grep ^`date | awk '{print $2}'`.`date | awk '{print $3}'` /var/log/auth.log &>> ${log_file}
+        grep -E "^`date | awk '{print $2}'`.`date | awk '{print $3}'`" /var/log/auth.log | grep failure | grep rhost | awk '{printf $14 "\n"}' | cut -d = -f 2 | awk '{a[$1]+=1;} END {for(i in a){print a[i]" "i;}}' &>> ${log_file}
+        ip=$(grep -E "^`date | awk '{print $2}'`.`date | awk '{print $3}'`" /var/log/auth.log | grep failure | grep rhost | awk '{printf $14 "\n"}' | cut -d = -f 2 | awk -v num=${num} '{a[$1]+=1;} END {for(i in a){if (a[i] >= num) {print i;}}}')
+    else
+        grep ^`date | awk '{print $2}'`..`date | awk '{print $3}'` /var/log/auth.log &>> ${log_file}
+        grep -E "^`date | awk '{print $2}'`..`date | awk '{print $3}'`" /var/log/auth.log | grep failure | grep rhost | awk '{printf $14 "\n"}' | cut -d = -f 2 | awk '{a[$1]+=1;} END {for(i in a){print a[i]" "i;}}' &>> ${log_file}
+        ip=$(grep -E "^`date | awk '{print $2}'`..`date | awk '{print $3}'`" /var/log/auth.log | grep failure | grep rhost | awk '{printf $14 "\n"}' | cut -d = -f 2 | awk -v num=${num} '{a[$1]+=1;} END {for(i in a){if (a[i] >= num) {print i;}}}')
+    fi
 
-echo "" &>> ${log_file}
-echo "System authorization information:" &>> ${log_file}
-if test "`date | awk '{print $3}'`" -ge 10 ; then
-    grep ^`date | awk '{print $2}'`.`date | awk '{print $3}'` /var/log/auth.log &>> ${log_file}
-    grep -E "^`date | awk '{print $2}'`.`date | awk '{print $3}'`" /var/log/auth.log | grep failure | grep rhost | awk '{printf $14 "\n"}' | cut -d = -f 2 | awk '{a[$1]+=1;} END {for(i in a){print a[i]" "i;}}' &>> ${log_file}
+    ip_address=($ip)
+    for i in ${ip_address[@]} ; do
+        /sbin/iptables -I INPUT -s $i -j DROP
+    done
+    /sbin/iptables-save > /root/ipv4tables
 
-    ip=$(grep -E "^`date | awk '{print $2}'`.`date | awk '{print $3}'`" /var/log/auth.log | grep failure | grep rhost | awk '{printf $14 "\n"}' | cut -d = -f 2 | awk '{a[$1]+=1;} END {for(i in a){if (a[i] >= 9) {print i;}}}')
-else
-    grep ^`date | awk '{print $2}'`..`date | awk '{print $3}'` /var/log/auth.log &>> ${log_file}
-    grep -E "^`date | awk '{print $2}'`..`date | awk '{print $3}'`" /var/log/auth.log | grep failure | grep rhost | awk '{printf $14 "\n"}' | cut -d = -f 2 | awk '{a[$1]+=1;} END {for(i in a){print a[i]" "i;}}' &>> ${log_file}
+    echo "" &>> ${log_file}
+    echo "Iptables filter table" &>> ${log_file}
+    /sbin/iptables -L -n --line-numbers &>> ${log_file} 
+    echo "" &>> ${log_file}
 
-    ip=$(grep -E "^`date | awk '{print $2}'`..`date | awk '{print $3}'`" /var/log/auth.log | grep failure | grep rhost | awk '{printf $14 "\n"}' | cut -d = -f 2 | awk '{a[$1]+=1;} END {for(i in a){if (a[i] >= 9) {print i;}}}')
-fi
+    mail -s "System Log" ${email_address} < ${log_file}
+    rm ${log_file}
+    sync
+    sync
+}
 
-ip_add=($ip)
-for i in ${ip_add[@]} ; do
-    /sbin/iptables -I INPUT -s $i -j DROP
-done
-/sbin/iptables-save > /root/ipv4tables
-
-echo "" &>> ${log_file}
-echo "Iptables filter table" &>> ${log_file}
-/sbin/iptables -L -n --line-numbers &>> ${log_file} 
-echo "" &>> ${log_file}
-
-mail -s "System Log" 1605227279@qq.com < ${log_file}
-rm ${log_file}
-sync
-sync
-exit
+run;
+exit 0;
+20190103
 aixiao@aixiao.me