Merge pull request #323 from alibaba-damo-academy/dev_lhn2

hnluo

2023-04-03 85cf8c66967c2e1f8181ec4ff4d54b6cd26e21f9

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