Rootkit issues

Results 10 issues of


                                            Rootkit

close #41

![image](https://user-images.githubusercontent.com/17522269/105677080-61415680-5f26-11eb-91bf-6f1d38eee69c.png)

the white page maybe hurt our eyes when we look at the page for long time. i think dark page would improvement that.

usability

![image](https://user-images.githubusercontent.com/17522269/127249195-a7f3fccf-6d08-4008-8ec2-0a363299f90b.png)

各种报错。。。修了一个还有三个。。。。

cuz clone repo from github usually failed.

https://github.com/Ro0tk1t/vimplus 使用最新的YCM和其他插件，废弃Python2，只支持Python3 无需科学也能一键安装。在64位 Ubuntu 测试成功

like chinese, french etc.