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There appear to be some errors in the Chinese version of the tutorial you’ve mentioned. It seems that this Chinese version simultaneously installs both MRTK 2 and MRTK 3. Sorry for the inconvenience. I’ve tested the English version of the tutorial, which is accurate. I recommend switching the tutorial to the English version. Additionally, you could refer to the following links:
Set up a new OpenXR project with MRTK - Mixed Reality | Microsoft Learn (if your intention is to install MRTK 2).
Setting up a new project with MRTK3 - MRTK3 | Microsoft Learn (if your intention is to install MRTK 3).
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