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SN65HVD75: SN65HVD75: Output issue

Part Number: SN65HVD75

Hi TI Expert,

we now use SN65HVD75, below is a waveform of it. then a 100% issue is occurred.

Blue: VA-B;

Green: /RE

Yellow: RO

At this point, VAB is greater than 0, RE is L, according to the truth table content R output should be H, but actually appears low level, what's the problem?

Then, At this time, TX is sending, RX does not actually receive data, but there is a low level on RX

Please help to check it. thanks.

Below is sch.