codeblocks：
1. sudo add-apt-repository ppa:codeblocks-devs/release
2. sudo apt update
3. sudo apt install codeblocks codeblocks-contrib
Uninstall：
1. sudo add-apt-repository --remove ppa:codeblocks-devs/release
or： sudo apt remove --autoremove codeblocks codeblocks-contrib
#
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple
#
pip install -i https://pypi.douban.com/simple pyecharts==0.5.11