Merge pull request #669 from alibaba-damo-academy/dev_lhn

hnluo

2023-06-26 d393848a695622964ac1b5a7817fd4aee6ce99d8

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