In the navigation pane on the left of Mini Program Open Platform > Developer Backend, click Mini Program Management > My Mini Program to access the My Mini Program page.
On the My Mini Program page, click Edit in the Operation column of the mini program list.

In the Edit Mini Program Detail side panel, configure the Mini Program Introduction, Mini Program Detailed Description, and Mini Program Logo.

Click Confirm to complete the editing.
Note
After editing the mini program information, you need to submit the mini program for review to update the information.