fix retract error (#1350)

夜雨飘零

2024-02-03 2cf4084b23db9bd9e8ce4db76d0628ef6655ed71

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p m    p.m.
pm    p.m.
p.m.
p.m    p.m.
am    a.m.
a.m.
a.m    a.m.
a m    a.m.