2. Secondly, in the home page of the application, enter the courier single number, and then click the "query" button.
3, then the system will automatically query the courier information, the query results will be displayed on the page. If the courier information is updated, the system will automatically remind themselves.
4. Then if you need to set a secret code, you can set it in the application settings, and the system will display the secret code in the query result after successful setup.
5. Finally, if you need to view the history of the query, you can view it in the "My" page of the app.