Merge pull request #748 from alibaba-damo-academy/dev_cmz

chenmengzheAAA

2023-07-19 a78c3d5b4880aea417c613c0d9ca772e1e228bf7

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