import account from rooted android phone,but can't fetch confirmation.

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actually, i am not using csharp to develop app.I'm using Go to code. But everything should be work at the same way. so i got data from phone , and i can login , refresh login sesion and even send trade offer . But steam demand that trade offer should confirm by the bond phone.And i try fetch confirmation first .Unfortunetely , i got 500 ,the error info is

You can't receive confirmations on this device

You can only receive confirmations on the device with your Steam Mobile Authenticator. If you want to receive confirmations on this device, please remove your authenticator from the current device and add it back on this one.

I don't know what is wrong . Fetch confrimation api need param device id as p ,and i put the shared_pref uuid into it . How did steam know i am using different device.... If you know how to fix this ,please tell me. I have been stucking in that problem for a very long time.

Thank you very much.