1. 命令行下载安装包：

wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb

 2. 安装

sudo apt install ./google-chrome-stable_current_amd64.deb

之后即使有更新也不用重新手动下载安装了，因为安装包会在 源里添加相应的信息。

cat /etc/apt/sources.list.d/google-chrome.list
### THIS FILE IS AUTOMATICALLY CONFIGURED ###
# You may comment out this entry, but any other modifications may be lost.
deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main