The solution is as follows:

Check whether the local network is connected to the external network. Enter the invoicing system, click System Settings---Parameter Settings---Upload Settings, check whether the security intervention server address is entered correctly, and click the "Test" button.

If successful, you need to click "Invoice Management -> Invoice Repair". If prompted to "Keep All", click "Keep All" and then exit the invoicing system. At this time, the system will automatically upload the invoice