Merge pull request #217 from alibaba-damo-academy/dev_wjm

zhifu gao

2023-03-13 a4d87a7fff1eccd192b9a3637ecb185b009c7977

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beam_size: 1
penalty: 0.0
maxlenratio: 0.0
minlenratio: 0.0
ctc_weight: 0.0
lm_weight: 0.15