fix modelscope_infer split scp bug

lzr265946

2022-12-29 ea48f072ce7cb881e57eb51943e5a63e76045ae7

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beam_size: 1
penalty: 0.0
maxlenratio: 0.0
minlenratio: 0.0
ctc_weight: 0.0
lm_weight: 0.0