diff --git a/dbMonitor.sh b/dbMonitor.sh
new file mode 100644
index 0000000..c2fb383
--- /dev/null
+++ b/dbMonitor.sh
@@ -0,0 +1,99 @@
+#!/usr/bin/bash
+
+# os check
+# build 2021-06-16
+
+replPasswd=$1 # zabbix传参
+replUser=root
+cmdPath=/usr/bin/mysql
+slowLog=/var/log/mysql/slow.log
+slowTmp=/tmp/.slowLog
+# mysql ms monitor
+
+#1、数据库存活
+function Heartbeat() {
+	$cmdPath -u$replUser -p$replPasswd -e 'select user' &>/dev/null
+	echo $?
+}
+
+#7、主从同步情况
+function Twins() {
+	result=$($cmdPath -u$replUser -p$replPasswd -e 'show slave status\G' 2>/dev/null | grep 'Running:')
+	echo $result | grep Yes >/dev/null && s=0 || s=1 && echo $s
+}
+
+#2、增删改查次数  QPS、TPS
+function Crud() {
+	local _result _uptime
+	_uptime=$($cmdPath -N -u$replUser -p$replPasswd -e "show global status like 'Uptime'" 2>/dev/null | awk '{print $2}')
+	if [ $1 == 'QPS' ] || [ $1 == 'qps' ] || [ $1 == 'Qps' ]; then
+		_select=$($cmdPath -N -u$replUser -p$replPasswd -e "show global status like 'Com_select'" 2>/dev/null | awk '{print $2}')
+		_update=$($cmdPath -N -u$replUser -p$replPasswd -e "show global status like 'Com_update'" 2>/dev/null | awk '{print $2}')
+		_insert=$($cmdPath -N -u$replUser -p$replPasswd -e "show global status like 'Com_insert'" 2>/dev/null | awk '{print $2}')
+		_delete=$($cmdPath -N -u$replUser -p$replPasswd -e "show global status like 'Com_delete'" 2>/dev/null | awk '{print $2}')
+		_result=$(($_select + $_update + $_insert + $_delete))
+		echo "scale=5;a=${_result}/${_uptime};if (length(a)==scale(a)) print 0;print a " | bc
+	elif [ $1 == 'TPS' ] || [ $1 == 'tps' ] || [ $1 == 'Tps' ]; then
+		_commit=$($cmdPath -N -u$replUser -p$replPasswd -e "show global status like 'Com_commit'" 2>/dev/null | awk '{print $2}')
+		_rollback=$($cmdPath -N -u$replUser -p$replPasswd -e "show global status like 'Com_rollback'" 2>/dev/null | awk '{print $2}')
+		_result=$(($_commit + $_rollback))
+		echo "scale=5;a=${_result}/${_uptime};if (length(a)==scale(a)) print 0;print a " | bc
+	else
+		_result=$($cmdPath -N -u$replUser -p$replPasswd -e "show global status like 'Com_${1}'" 2>/dev/null | awk '{print $2}')
+		echo $_result
+	fi
+}
+
+#4、慢查询日志
+function SlowLog() {
+	#slowlog config my.cnf
+	#[mysqld]
+	#slow_query_log = ON
+	#slow_query_log_file = /var/log/mysql/slow.log
+	#long_query_time = 5
+	newLines=$(cat $slowLog | wc -l)
+	datetime=$(date +%y%m%d%H)
+	if [ -f $slowTmp ]; then
+		oldLines=$(cat $slowTmp)
+		diff=$(($newLines - $oldLines))
+		tail -n $diff $slowLog
+	else
+		echo -n $newLines >$slowTmp
+	fi
+	if [ $(du -s $slowLog | awk '{print $1}') -ge 2000 ]; then
+		cat $slowLog >/var/log/mysql/slow${datetime}.log && echo -n >$slowLog && echo -n 0 >$slowTmp
+	fi
+}
+
+#5、数据库最大连接数
+function Config() {
+	_result=$($cmdPath -N -u$replUser -p$replPasswd -e "show variables like \"$1\"" 2>/dev/null | awk '{print $2}')
+	echo $_result
+}
+
+#8、数据库登陆主机为%的用户
+function RemoteUser(){
+	_result=$($cmdPath -N -u$replUser -p$replPasswd -e "select User from mysql.user where Host='%';" 2>/dev/null | awk '{print $2}')
+	echo $_result
+}
+
+case $2 in
+heartbeat)
+	Heartbeat
+	;;
+crud)
+	Crud $3 # insert update delete select commit rollback qps tps
+	;;
+twins)
+	Twins
+	;;
+slowlog)
+	SlowLog
+	;;
+config)
+	Config $3 # max_connections innodb_buffer_pool_size ... 
+	;;
+*)
+	echo 999
+	;;
+esac
diff --git a/osMonitor.sh b/osMonitor.sh
index c78f28a..779b68d 100644
--- a/osMonitor.sh
+++ b/osMonitor.sh
@@ -4,133 +4,139 @@
 # build 2021-06-16
 
 #1、磁盘根分区剩余百分比                        			#返回数值，并添加触发器报警
-function disk(){
+function disk() {
     local _part _disk
-    _part=$(lsblk -b |grep "centos-root"|awk '{print $(NF-3)}'|awk -F'G' '{print $1}')
-    _disk=$(lsblk -b |grep sda|grep disk|awk '{print $(NF-2)}'|awk -F'G' '{print $1}')
-    echo "scale=2;a=${_part}/${_disk};if (length(a)==scale(a)) print 0;print a " |bc
+    _part=$(lsblk -b | grep "centos-root" | awk '{print $(NF-3)}' | awk -F'G' '{print $1}')
+    _disk=$(lsblk -b | grep sda | grep disk | awk '{print $(NF-2)}' | awk -F'G' '{print $1}')
+    echo "scale=2;a=${_part}/${_disk};if (length(a)==scale(a)) print 0;print a " | bc
 }
 
 #2、内存剩余百分比										#返回数值
-function memory(){
+function memory() {
     local _memFree _memTotal
-    _memFree=$(free -b |awk 'NR==2{print $4}')
-    _memTotal=$(free -b |awk 'NR==2{print $2}')
-    echo "scale=2;a=${_memFree}/${_memTotal};if (length(a)==scale(a)) print 0;print a " |bc
+    _memFree=$(free -b | awk 'NR==2{print $4}')
+    _memTotal=$(free -b | awk 'NR==2{print $2}')
+    echo "scale=2;a=${_memFree}/${_memTotal};if (length(a)==scale(a)) print 0;print a " | bc
 }
 
 #3、swap使用情况											#返回数值
-function swap(){
-    free -m |awk 'NR==3{print $3}'
+function swap() {
+    free -m | awk 'NR==3{print $3}'
 }
 
 #4、cpu 1、5、15分钟负载									#返回数值或其他类型
-function cpuLoad(){
+function cpuLoad() {
     case $1 in
     1)
-        uptime |awk '{print $(NF-2)}'|awk -F',' '{print $1}'
-    ;;
+        uptime | awk '{print $(NF-2)}' | awk -F',' '{print $1}'
+        ;;
     5)
-        uptime |awk '{print $(NF-1)}'|awk -F',' '{print $1}'
-    ;;
+        uptime | awk '{print $(NF-1)}' | awk -F',' '{print $1}'
+        ;;
     15)
-        uptime |awk '{print $(NF)}'|awk -F',' '{print $1}'
+        uptime | awk '{print $(NF)}' | awk -F',' '{print $1}'
+        ;;
     esac
 }
 
 #5、/etc/passwd /etc/shadow /etc/sodoers 等文件修改情况	#返回任意类型，并添加触发器报警
-function fileMD5(){
-    [ ! -f /tmp/md5.hash ] && md5sum /etc/passwd /etc/shadow /etc/sudoers > /tmp/md5sum && echo "数据收集中"
-    md5sum -c /tmp/md5.hash |grep -E "FAILED|失败"
+function fileMD5() {
+    [ ! -f /tmp/md5.hash ] && md5sum /etc/passwd /etc/shadow /etc/sudoers >/tmp/md5sum && echo "数据收集中"
+    md5sum -c /tmp/md5.hash | grep -E "FAILED|失败"
 }
 
 #6、系统启动时间											#返回任意类型
-function uptime(){
+function uptime() {
     local _uptime _idletime
-    _uptime=$(cat /proc/uptime |awk '{print ($1/60)}') # 单位为分钟
-    _idletime=$(cat /proc/uptime |awk '{print ($2/60)}') # 系统空闲时间
+    _uptime=$(cat /proc/uptime | awk '{print ($1/60)}')   # 单位为分钟
+    _idletime=$(cat /proc/uptime | awk '{print ($2/60)}') # 系统空闲时间
     case $1 in
     upTime)
         echo $_uptime
-    ;;
+        ;;
     idleTime)
         echo $_idletime
-    ;;
+        ;;
     idle)
-        echo "scale=2;a=${_idletime}/${_uptime};if (length(a)==scale(a)) print 0;print a " |bc
+        echo "scale=2;a=${_idletime}/${_uptime};if (length(a)==scale(a)) print 0;print a " | bc
+        ;;
     esac
 }
 
 #7、系统连接数											#返回数值
-function conns(){
+function conns() {
     case $1 in
     all)
         netstat -an | grep ESTABLISHED | wc -l
-    ;;
+        ;;
     [1-9]*)
-        lsof -i:$1 |wc -l
+        lsof -i:$1 | wc -l
+        ;;
     esac
 }
 
 #8、系统开启端口数量										#返回任意类型，需要知道是哪些端口
-function ports(){
+function ports() {
     local p
     case $1 in
     portList)
-        p="`ss -tnul | grep -v Netid |awk '{print $5}'|awk -F ':' '{print $NF}'|sort -n|uniq`"
+        p="$(ss -tnul | grep -v Netid | awk '{print $5}' | awk -F ':' '{print $NF}' | sort -n | uniq)"
         echo $p
-    ;;
+        ;;
     port)
-        ss -tnul | grep -v Netid |awk '{print $5}'|awk -F ':' '{print $NF}'|sort -n|uniq|wc -l
+        ss -tnul | grep -v Netid | awk '{print $5}' | awk -F ':' '{print $NF}' | sort -n | uniq | wc -l
+        ;;
     esac
 }
 
 #9、系统开机启动服务										#返回任意类型
-function services(){
+function services() {
     local s
     case $1 in
     servicesList)
-        s="`ls /etc/systemd/system/multi-user.target.wants/`"
+        s="$(ls /etc/systemd/system/multi-user.target.wants/)"
         echo $s
-    ;;
+        ;;
     service)
-        ls /etc/systemd/system/multi-user.target.wants/ |wc -l
+        ls /etc/systemd/system/multi-user.target.wants/ | wc -l
+        ;;
     esac
 }
 
 #10、计划任务											#返回文本
-function crontab(){
+function crontab() {
     sudo crontab -l -u $1
 }
 
 case $1 in
 Disk)
     disk
-;;
+    ;;
 Memory)
     memory
-;;
+    ;;
 Swap)
     swap
-;;
+    ;;
 CPULoad)
     cpuLoad $2 # 1 5 15
-;;
+    ;;
 FileMD5)
     fileMD5
-;;
+    ;;
 Uptime)
     uptime $2 # upTime idleTime idle
-;;
+    ;;
 Conns)
     conns $2 # all [1-9]*
-;;
+    ;;
 Ports)
     ports $2 # portList port
-;;
-Services) 
+    ;;
+Services)
     services $2 # servicesList service
-;;
+    ;;
 Crontab)
     crontab $2 # user
-esac
\ No newline at end of file
+    ;;
+esac