# add Typora's key
sudo mkdir -p /etc/apt/keyrings
curl -fsSL https://typoraio.cn/linux/typora.gpg | sudo tee /etc/apt/keyrings/typora.gpg > /dev/null
# add Typora's repository securely
echo "deb [signed-by=/etc/apt/keyrings/typora.gpg] https:/typoraio.cn/linux ./" | sudo tee /etc/apt/sources.list.d/typora.list
sudo apt update
# install typora
sudo apt install typora  //不行就sudo snap install typora

执行完以上命令就可以看到typora已经安装好了，双击即可打开进行编辑了。