Merge pull request #585 from alibaba-damo-academy/dev_lhn3

hnluo

2023-06-02 6ad154b79ac6683c7ae21fe38b79eb6165d19124

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