modify abbr postprocess

lzr265946

2023-03-21 2ab8b7f473d37299f6774e98179767fe4be6a0f2

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beam_size: 10
penalty: 0.0
maxlenratio: 0.0
minlenratio: 0.0
ctc_weight: 0.5
lm_weight: 0.7