Yunling Pioneer has signed in but it keeps showing that he has not signed in.

The system is not updated. Yunling Pioneer APP is an intelligent party building application built by the Organization Department of the Yunnan Provincial Committee of the Communist Party of China. It aims to provide party organizations and party members at all levels with daily party affairs notices and announcements, document study, three meetings and one lesson, party affairs disclosure, organizational activities, Convenient functions such as learning education, party dues payment, group text messaging, video conferencing, interactive communication, etc. The reason why Yunling Pioneer has signed in but keeps showing that it has not been signed in is because the system has not been updated and the versions are inconsistent.