Merge pull request #573 from alibaba-damo-academy/dev_lhn3

hnluo

2023-05-31 64d3ad4ca34e297a771fb1bdaeaf44b0cff12a58

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