After the authorization code expires, it needs to be reapplied or obtained. If you don't know how to do it, you can consult customer service to reapply or get it.
Electronic invoice is the product of the information age. Like ordinary invoices, they are distributed to merchants in the form of unified issuance by the tax bureau. The invoice number is distributed to merchants with national unified coding and unified anti-counterfeiting technology. The signature mechanism of the electronic tax bureau is attached to the electronic invoice.