Merge pull request #288 from alibaba-damo-academy/dev_gzf

zhifu gao

2023-03-23 4e44c9f46e550eab4ec6b70c099dcdae44eb9d61

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