update timestamp and add ploter

shixian.shi

2023-03-03 d6c5d9394a088062c834f4d35d94d46c980ea6e0

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