GNU/Linux Deepin Installing Redshift – Step by step Guide
How to Install Redshift on Deepin GNU/Linux desktop – Step by step Tutorial.
And Redshift for Deepin adjusts the Color Temperature according to the position of the Sun.
So as a Blue Light Filter a different Color Temperature is set during Night and Daytime.
Moreover, during twilight and early Morning, the Color Temperature transitions smoothly from Night to daytime temperature to allow your Eyes to slowly adapt. At Night the Color Temperature should be set to match the Lamps in your Room.

1. Terminal QuickStart
How to QuickStart with Command Line on Deepin
First, Update the Apt Repo Sources with:
sudo apt update
Contents