How to install QQ theme album cover for help?

First, enter the travel album, and click "More" next to the uploaded photo-normal list mode to view it. As shown in the figure:

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After entering normal mode, click the photo you want to set as the cover. Then there are options on the right side of the photo.

Use photos-set cover-OK

If the problem is not solved, you can continue to click on the question. If the problem has been solved, please adopt it. Thank you! ! !

from QQ space team.