fix onnx export bug

hnluo

2023-08-29 72b6c7735e44fff12c4a3d401deb98c59f16ab0f

1
2
3
4
5
6
7
8
9
10
11
12
p.m.    PM
p.m    PM
pm    PM
P.M.    PM
P.M    PM
PM    PM
a.m.    AM
a.m    AM
am    AM
A.M.    AM
A.M    AM
AM    AM