1. It is suggested to look at the network configuration in the parameter settings first, and click Test Connection to see if it can be connected normally. As long as you can connect normally, you can upload the invoice that has not been uploaded. If you can't connect successfully, it may be that the server is maintaining.

2. Drawer-Open [System Parameter Maintenance] module-Click [Manual Upload].

If you are prompted that there are invoices that have not been uploaded in the system cache, you should click Invoice Management, click Invoice Query without Uploading, select the ticket type and query date, and then click Upload.