Android Orbot Unable to take effect

The tested mobile phone is Xiaomi 4C.
I tried three kinds of Roms, including lineage,pixel experience,havoc Havoc. The Android version is 10/11.
All three systems have the same problem.
Orbot version,

Run Orbot in vpn mode, select application, system browser and chrome, and connect successfully.
Enter the browser to query the ip and find that the ip has not changed.
Open “”,point out “ are not.using Tor.”

Excuse me, why is this?
Who can help me solve the problem? Thank you very much.