1. Open Xuzhou Tianmei Smart Catering Management System and select "System Settings" function in the main interface.

2. in the system setting interface, find the option of "restaurant information" or "merchant information" and click enter.

3. in the restaurant information or merchant information interface, you can see the basic information of the current restaurant or merchant, including name, address, contact information, etc.

4. Select the information field to be modified, and make the modification. For example, if you need to modify the restaurant name, you can directly enter a new name in the "Restaurant Name" field.

5. click the "save" button to save the modification.