1. Network problem: When trying to delete WeChat sports data, the network is bad or the link is broken, and the network connection problem leads to synchronization failure. The equipment is in a good network environment. Try synchronizing and deleting data again.
2. Unauthorized data source: WeChat campaign needs access to some sensors or applications to collect activity data. A specific source is not authorized to WeChat, and this part of data will not be deleted from WeChat.