Reinstall, check whether it is updated, whether the system is being maintained, and contact customer service.

The online one-stop service hall APP of Southwest University for Nationalities (formerly known as Hemingda) is a campus education service system jointly launched by Southwest University for Nationalities and Hemingda. The software integrates a large amount of information, which is convenient for teachers and students to query information. Teachers can also manage classes and keep abreast of campus information trends.