Shadowsocks-libev: Can't install shadowsocks-libev from PPA

[billysingo]

What version of shadowsocks-libev are you using?

none

What operating system are you using?

ubuntu 14.04 LTS

What did you do?

follow the instructions:

sudo apt-get install software-properties-common -y
sudo add-apt-repository ppa:max-c-lv/shadowsocks-libev -y
sudo apt-get update
sudo apt install shadowsocks-libev

What did you expect to see?

install the latest shadowsocks-libev

What did you see instead?

Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package shadowsocks-libev

What is your config in detail (with all sensitive info masked)?

none

[madeye]

Please try again.

[billysingo]

thanks. solved.