diff --git a/.vim/startup/vundle_vimrc b/.vim/startup/vundle_vimrc
index ef3b2c1..7a5b6e6 100644
--- a/.vim/startup/vundle_vimrc
+++ b/.vim/startup/vundle_vimrc
@@ -43,6 +43,8 @@ Plugin 'christoomey/vim-tmux-navigator'
 Plugin 'tpope/vim-surround'
 Plugin 'vim-airline/vim-airline'
 Plugin 'vim-airline/vim-airline-themes'
+" syntax highlight for Dockerfile
+Plugin 'ekalinin/Dockerfile.vim'
 
 " Git plugin not hosted on GitHub
 Plugin 'git://git.wincent.com/command-t.git'
diff --git a/wordpress_backup.sh b/wordpress_backup.sh
index 46cdc22..09eed01 100755
--- a/wordpress_backup.sh
+++ b/wordpress_backup.sh
@@ -1,32 +1,34 @@
 #!/bin/bash
 
-# This script creates a compressed backup archive of the given directory and the given MySQL table. More details on implementation here: http://theme.fm
+# 发邮件方式备份网站数据
+# 脚本会创建一个压缩包，包含备份的目录和MySQL 数据库备份
 # Feel free to use this script wherever you want, however you want. We produce open source, GPLv2 licensed stuff.
-# Author: Konstantin Kovshenin exclusively for Theme.fm in June, 2011
 # https://theme.fm/a-shell-script-for-a-complete-wordpress-backup/
 
-# Set the date format, filename and the directories where your backup files will be placed and which directory will be archived.
+# 设置备份文件名
 NOW=$(date +"%Y-%m-%d-%H-%M")
 FILE="www.einverne.info.$NOW.tar"
 GZ_FILE=$FILE.gz
+# 备份文件压缩包存放路径
 BACKUP_DIR="/root/backups"
+# 需要备份的路径文件夹
 WWW_DIR="/var/www/www.einverne.info/html"
+# 接受者邮箱
 EMAIL_ADDR="username@gmail.com"
 
-mkdir -p $BACKUP_DIR
-
-# MySQL database credentials
+# MySQL 数据库相关配置
 DB_USER=""
 DB_PASS=""
 DB_NAME=""
 DB_FILE="www.einverne.info.$NOW.sql"
 
-# Tar transforms for better archive structure.
+# 将Tar压缩包内内容，分别保存到 html 和 database 两个文件夹下
 WWW_TRANSFORM='s,^var/www/www.einverne.info/html,html,'
 DB_TRANSFORM='s,^root/backups,database,'
 
 # 以上内容需要自定义
 
+mkdir -p $BACKUP_DIR
 # Create the archive and the MySQL dump
 tar -cvf $BACKUP_DIR/$FILE --transform $WWW_TRANSFORM $WWW_DIR
 mysqldump -u$DB_USER -p$DB_PASS $DB_NAME > $BACKUP_DIR/$DB_FILE