If you use a vivo phone, it means opening the location service: you can call up the control center and click the location icon to open it; Or enter the Settings-(Privacy/Security and Privacy)-Location Service-Open function, and after opening, you can set the permissions for opening the location of the software.
Positioning needs a good network environment. If the network is not good, just wait for a friend to pick you up!
If you have more questions, you can go to this link page to consult online customer service for details.