THE F4050 wing can't get telemetry feedback from TEKKO32 ESC8

ArduPlane Plane 3.9
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HI GUYS,I have set up the pass through of TEKKO32 ESC success,but can’t get the feed back of the ESC,MY FC is F405 wing flashed arduplane3.9.9 .the TX Of the ESC CONNECT to RX of serial 5.Please find the attached photos to check if my parameters are right Thanks

The FC can get feedback values from Tekko32 BLHELI32 ESC right now,but it can’t be connected to BLhelisuite32 again,it shows like this. The pass through seems unstable,it happen to connected some time

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