fix single word case (#1679)

彭震东

2024-04-29 1f49a4f2b2744c30fcbfff6fbb85d6133c6203f2

1
2
3
4
5
6
7
8
9
first    one
second    two
third    three
fourth    four
fifth    five
sixth    sixth
seventh    seven
eighth    eight
ninth    nine