Merge pull request #580 from alibaba-damo-academy/dev_lhn3

hnluo

2023-06-01 60d28e59c3fda041f1ddccd842b2c9e94f2b9af1

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beam_size: 5
penalty: 0.0
maxlenratio: 0.0
minlenratio: 0.0
ctc_weight: 0.5
lm_weight: 0.7