Sam supermarket Maotai didn't invoice.

Hello, I'd like to ask what to do if Sam supermarket Maotai doesn't invoice. The solution of Sam supermarket Maotai without invoicing:

1, open the Sam supermarket applet, click the mine at the bottom, and click the electronic invoice;

2. Select the order of Maotai that has not been invoiced and check it according to the guidelines;

3. Fill in the invoice information. Fill in the invoice information according to the guidelines, and click Submit to open the invoice.