My android must access permission to start remote form other android

Hello guys

There are tow android device，A is installed Teamviewer App，B is installed the Host

I want remote B from A automatically.

When I conneted B , there is always a permisson to allowded (or a noticed to confirm) like the picture.

How can I dissmiss it or just confirm it automatically?

Is there anything I did wrong?

Thanks a lot!

And another device