I have installed the library that I can install and the programs can run normally, but why does the screen still not light up?
A power issue. Show your drawing.
Welcome
Your topic does not indicate a problem with the IDE and therefore has been moved to a more suitable location on the forum.
You might be better off asking the question on the seeedstudio forum: https://forum.seeedstudio.com/
Please post your code (don't forget to use code tags as described in How to get the best out of this forum).
@xfpd, if wiring is involved it can not be excluded, but (in case you don't know) the wio terminal is a stand alone unit (processor plus display); Get Started with Wio Terminal | Seeed Studio Wiki. So it depends on what @huang1217's project is.
I did not know it was standalone.
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