When debugging with Xiaomi mobile phone (MI Max 2), the application cannot be installed
Settings -> Additional settings -> Developer options ->
1. Close “MIUI optimization” and restart
2 Open “USB debugging”
3 Open “install via USB”
4 Set USB configuration to charging
5 Open “install via USB”**
next step
At this step, the problem of mismatch of SDK version has been fixed. Modify the SDK version