Merge pull request #328 from alibaba-damo-academy/dev_cmz2

zhifu gao

2023-04-07 0cc7af2c894a31f1b6d95d8af7e4efa414e2a11b

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c    1
cc    2
ccc    3
cd    4
d    5
dc    6
dcc    7
dccc    8
cm    9