1、修改Jenkins插件下載地址（將國外改成國內，下載插件達到速度提升）
Jenkins->Manage Jenkins->Manage Plugins，點擊Available
cd /var/lib/jenkins/updates
國內插件
sed -i 's/http:\/\/updates.jenkinsci.org\/download/https:\/\/mirrors.tuna.tsinghua.edu.cn\/jenkins/g' default.json && sed -i 's/http:\/\/www.google.com/https:\/\/www.baidu.com/g' default.json
Manage Plugins點擊Advanced，把Update Site改爲國內插件下載地址
https://mirrors.tuna.tsinghua.edu.cn/jenkins/updates/update-center.json
重啓jenkins
2、下載中文漢化插件
Jenkins->Manage Jenkins->Manage Plugins，點擊Available，搜索"Chinese"
