diff --git a/install_mariadb.sh b/install_mariadb.sh
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+# Mysql 脚本
+
+## 安装相关说明
+- 下载页面：https://mirrors.aliyun.com/mariadb/mariadb-10.10.2/bintar-linux-systemd-x86_64/mariadb-10.10.2-linux-systemd-x86_64.tar.gz
+- 指导书：https://blog.51cto.com/jschu/4323600
+
+## 日志表相关
+文档 https://mariadb.com/kb/en/archive/
+
+#停止服务
+systemctl stop tomcat.1
+systemctl stop mysql_cw.1
+systemctl disable mysql_cw.1
+rm -rf /etc/init.d/mysql_cw.1
+pkill mysqld
+sleep 5
+
+#设置环境变量
+source /home/coursework/.cg_env.sh
+
+#删除旧文件
+cd $Z_MYSQL_INS_FOLDER
+rm -rf -- bin include lib libexec share tmp
+rm -rf -- /etc/my.cnf.cgbk /etc/my.cnf.d ~/.my.cnf
+
+#处理配置文件
+sed -i '/mysql.sock/s/.*/#&/' my.cnf
+sed -i '/skip-locking/s/.*/#&/' my.cnf
+cp my.cnf /etc/my.cnf
+mv my.cnf my.cnf.old
+
+#下载
+groupadd mysql
+useradd -g mysql mysql
+cd /usr/local
+curl -o mariadb-10.10.2-linux-systemd-x86_64.tar.gz https://mirrors.neusoft.edu.cn/mariadb/mariadb-10.10.2/bintar-linux-systemd-x86_64/mariadb-10.10.2-linux-systemd-x86_64.tar.gz
+
+#挂载点相关处理
+cd /var/lib
+mkdir mysql
+
+mpoint=`stat -c %m -- "$Z_MYSQL_INS_FOLDER"`
+if [ x"$mpoint" = x"test" ]; then
+	sed -i '/\/var\/lib\/mysql/s/.*/#&/' /etc/fstab
+	echo "$Z_MYSQL_INS_FOLDER/var /var/lib/mysql  none    bind,x-systemd.requires-mounts-for=$mpoint 0 0" >>/etc/fstab
+	mount -a
+	echo "Remount"
+fi
+
+chown -R mysql:mysql mysql
+
+#解压缩
+cd /usr/local
+mkdir mysql
+cd /usr/local/mysql
+tar --strip-components=1 -xvf ../mariadb-10.10.2-linux-systemd-x86_64.tar.gz
+
+#服务相关
+cd /usr/local/mysql
+sed -i 's/ExecStart=\/usr\/local\/mysql\/bin\/mariadbd \$/ExecStart=\/usr\/local\/mysql\/bin\/mariadbd --datadir=\/var\/lib\/mysql \$/g' support-files/systemd/mariadb.service
+cp support-files/systemd/mariadb.service /usr/lib/systemd/system
+
+#权限
+chown -R mysql:mysql /var/lib/mysql
+chown -R mysql:mysql /usr/local/mysql
+
+#启动服务
+systemctl start mariadb
+systemctl enable mariadb
+
+#链接
+ln -s /usr/local/mysql/bin $Z_MYSQL_INS_FOLDER/bin
+
+#版本检测
+$Z_MYSQL_INS_FOLDER/bin/mysql -u root --password=$Z_MYSQL_PASSWD -e 'show variables like "version";'
+
+#重启服务
+systemctl start tomcat.1