Merge pull request #437 from alibaba-damo-academy/dev_cmz_md

zhifu gao

2023-04-27 56508c42af411d84ffaa621a5379af2c6d4ae3ea

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C    1
CC    2
CCC    3
CD    4
D    5
DC    6
DCC    7
DCCC    8
CM    9