Merge pull request #61 from alibaba-damo-academy/dev_lhn

hnluo

2023-02-05 450ed4f344fc6695336c36c2e4854152454c3d22

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