Nooploop linetrack doesn't work

After setting up according to the tutorial, FC could not recognize the beacon.
I can see D0, D1, D2, D3 in the log.
But my ground station does not display the location
Please check the log attached.(log_1_copter.bin - Google Drive)

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First update to ArduCopter 4.4.1-beta2, then re-test.

Hello, after I updated to the beta version, I can see D0, D1, D2, D3 in the log, but the location is still not displayed. I would like to ask if there are other solutions.