打开终端运行：
wget -qO - https://typora.io/linux/public-key.asc | sudo apt-key add -
echo -e "\ndeb https://typora.io/linux ./" | sudo tee -a /etc/apt/sources.list
sudo apt-get update
sudo apt-get install typora
参考链接：https://blog.csdn.net/qq_33694648/article/details/104403618